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YOGA Tab 3 10”
Hardware Maintenance Manual
Lenovo YT3-X50F
Lenovo YT3-X50L
Lenovo YT3-X50M
Note:
Before using this information and the product it supports, be sure to read the general information
under “Notices” on page 98.
First Edition (Sep 2015)
© Copyright Lenovo 2015. All rights reserved.
LENOVO products, data, computer software, and services have been developed exclusively at private
expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with
limited and restricted rights to use, reproduction and disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are
delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclo-
sure is subject to restrictions set forth in Contract No. GS-35F-05925.
© 2014 Lenovo
iii
About this manual........................................iv
Safety information.........................................1
General safety ...................................................... 2
Electrical safety .................................................... 3
Safety inspection guide ...................................... 5
Handling devices that are sensitive to electro-
static discharge .................................................... 6
Grounding requirements ................................... 6
Safety notices: multilingual translations.......... 7
Laser compliance statement............................. 14
Important service information ...................16
Strategy for replacing FRUs............................. 16
Important notice for replacing a system
board ............................................................. 17
Important information about replacing RoHS
compliant FRUs ................................................. 18
General checkout........................................19
What to do first.................................................. 20
Power system checkout.................................... 21
Checking the Computer AC Charger....... 21
Checking the internal battery status......... 22
Related service information.......................23
Security ............................................................... 23
Power management .......................................... 23
Activating/Deactivating the Display ........ 23
Lenovo YOGA Tab 3 10”.............................24
Specifications ..................................................... 24
Components location........................................ 26
Front view .................................................... 26
Rear view...................................................... 27
Parts list .............................................................. 28
FRUs list........................................................ 28
Screws list..................................................... 32
FRU replacement notices.................................. 33
Screw notices................................................ 33
Removing and replacing an FRU.................... 34
1010 Rear cover............................................ 35
1120 Power button....................................... 38
1030 Volume key ......................................... 39
1040 Hinge frame latch............................... 41
1050 Left speaker ......................................... 43
1060 Right speaker ...................................... 48
1070 Microphone ......................................... 52
1080 Vibrator motor .................................... 54
1090 Power FPC........................................... 56
1100 LCD FPC.............................................. 60
1110 Audio jack FPC ...................................64
1120 Main antenna.......................................69
1130 Diversity antenna (LTE versions only)
75
1140 Main board .......................................... 78
1150 USB and Volume key FPC................. 84
1160 Battery pack .........................................86
1170 Rotated camera.................................... 96
Notices.........................................................98
Trademarks.........................................................99
Contents
iv
This manual contains service and reference information for the Lenovo YOGA
Tab 3 10” product with the following specified versions:
• Lenovo YT3-X50F (WiFi version)
• Lenovo YT3-X50L (LTE data version)
• Lenovo YT3-X50M (LTE voice version)
Use this manual to troubleshoot problems.
The manual is divided into the following sections:
• The common sections provide general information, guidelines, and safety
information required for servicing computers.
• The product-specific section includes service, reference, and product-specific
parts information.
About this manual
Note:
The information provided in this manual is applicable to both product
versions mentioned above, unless otherwise specified.
Important:
This manual is intended only for trained servicers who are familiar with
Lenovo products. Use this manual to troubleshoot problems effectively.
Before servicing a Lenovo product, make sure to read all the information
under “Safety information” on page 1 and “Important service information”
on page 16.
Safety information
1
This chapter presents the following safety information that you need to get
familiar with before you service a Lenovo computer:
• “General safety” on page 2
• “Electrical safety” on page 3
• “Safety inspection guide” on page 5
• “Handling devices that are sensitive to electrostatic discharge” on page 6
• “Grounding requirements” on page 6
• “Safety notices: multilingual translations” on page 7
• “Laser compliance statement” on page 14
Safety information
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
2
Follow these rules below to ensure general safety:
• Observe a good housekeeping in the area where the machines are put during
and after the maintenance.
• When lifting any heavy object:
1. Make sure that you can stand safely without slipping.
2. Distribute the weight of the object equally between your feet.
3. Use a slow lifting force. Never move suddenly or twist when you attempt
to lift it.
4. Lift it by standing or pushing up with your leg muscles; this action could
avoid the strain from the muscles in your back. Do not attempt to lift any
object that weighs more than 16 kg (35 lb) or that you think is too heavy for
you.
• Do not perform any action that causes hazards to the customer, or that makes
the machine unsafe.
• Before you start the machine, make sure that other service representatives
and the customer are not in a hazardous position.
• Place removed covers and other parts in a safe place, keeping them away
from all personnel, while you are servicing the machine.
• Keep your toolcase away from walk areas so that other people will not trip it
over.
• Do not wear loose clothing that can be trapped in the moving parts of the
machine. Make sure that your sleeves are fastened or rolled up above your
elbows. If your hair is long, fasten it.
• Insert the ends of your necktie or scarf inside clothing or fasten it with the
nonconductive clip, about 8 centimeters (3 inches) from the end.
• Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for
your clothing.
Attention: Metal objects are good electrical conductors.
• Wear safety glasses when you are hammering, drilling, soldering, cutting
wire, attaching springs, using solvents, or working in any other conditions
that may be hazardous to your eyes.
• After service, reinstall all safety shields, guards, labels, and ground wires.
Replace any safety device that is worn or defective.
• Reinstall all covers correctly before returning the machine to the customer.
• Fan louvers on the machine help to prevent the overheating of internal
components. Do not obstruct fan louvers or cover them with labels or
stickers.
General safety
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
4
• Always look carefully for possible hazards in your work area. Examples of
these hazards are moist floors, nongrounded power extension cables, power
surges, and missing safety grounds.
• Do not touch live electrical circuits with the reflective surface of a plastic
dental mirror. The surface is conductive; such touching can cause personal
injury and machine damage.
• Do not service the following parts with the power on when they are removed
from their normal operating places in a machine:
— Power supply units
— Pumps
— Blowers and fans
— Motor generators
and similar units. (This practice ensures correct grounding of the units.)
• If an electrical accident occurs:
— Caution: do not become a victim yourself.
— Switch off the power.
— Send the victim to get medical aid.
Safety information
5
The purpose of this inspection guide is to assist you in identifying potential
unsafe conditions. As each machine was designed and built, required safety
items were installed to protect users and service personnel from injury. This
guide addresses only those items. You should use good judgment to identify
potential safety hazards according to the attachment of non-Lenovo features or
options not covered by this inspection guide.
If any unsafe conditions are present, you must determine how serious the
apparent hazard could be and whether you can continue without first correcting
the problem.
Consider these conditions and the safety hazards they present:
• Electrical hazards, especially primary power (primary voltage on the frame
can cause serious or fatal electrical shock)
• Explosive hazards, such as a damaged CRT face or a bulging capacitor
• Mechanical hazards, such as loose or missing hardware
To determine whether there are any potential unsafe conditions, use the
following checklist at the beginning of every service task. Begin the checks with
the power off, and the power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or sharp edges).
2. Turn off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition. Use a meter to measure
third-wire ground continuity for 0.1 ohm or less between the external
ground pin and the frame ground.
b. The power cord should be the type specified in the parts list.
c. Insulation must not be frayed or worn.
4. Check for cracked or bulging batteries.
5. Remove the cover.
6. Check for any obvious non-Lenovo alterations. Use good judgment as to the
safety of any non-Lenovo alterations.
7. Check inside the unit for any obvious unsafe conditions, such as metal filings,
contamination, water or other liquids, or signs of fire or smoke damage.
8. Check for worn, frayed, or pinched cables.
9. Check that the power-supply cover fasteners (screws or rivets) have not been
removed or tampered with.
Safety inspection guide
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
6
Any computer part containing transistors or integrated circuits (ICs) should be
considered sensitive to electrostatic discharge (ESD). ESD damage can occur
when there is a difference in charge between objects. Protect against ESD damage
by equalizing the charge so that the machine, the part, the work mat, and the
person handling the part are all at the same charge.
When handling ESD-sensitive parts:
• Keep the parts in protective packages until they are inserted into the product.
• Avoid contact with other people.
• Wear a grounded wrist strap against your skin to eliminate static on your
body.
• Prevent the part from touching your clothing. Most clothing is insulative and
retains a charge even when you are wearing a wrist strap.
• Use the black side of a grounded work mat to provide a static-free work
surface. The mat is especially useful when handling ESD-sensitive devices.
• Select a grounding system, such as those listed below, to provide protection
that meets the specific service requirement.
— Attach the ESD ground clip to any frame ground, ground braid, or green-
wire ground.
— When working on a double-insulated or battery-operated system, use an
ESD common ground or reference point. You can use coax or connector-
outside shells on these systems.
— Use the round ground prong of the ac plug on ac-operated computers.
Electrical grounding of the computer is required for operator safety and correct
system function. Proper grounding of the electrical outlet can be verified by a
certified electrician.
Handling devices that are sensitive to electrostatic discharge
Notes:
1. Use product-specific ESD procedures when they exceed the
requirements noted here.
2. Make sure that the ESD protective devices you use have been certified
(ISO 9000) as fully effective.
Notes:
The use of a grounding system to guard against ESD damage is desirable but
not necessary.
Grounding requirements
Safety information
7
The safety notices in this section are provided in English, French, German,
Hebrew, Italian, Japanese, and Spanish.
Safety notices: multilingual translations
Safety notice 1
Before the computer is powered on after FRU replacement, make sure all
screws, springs, and other small parts are in place and are not left loose
inside the computer. Verify this by shaking the computer and listening for
rattling sounds. Metallic parts or metal flakes can cause electrical shorts.
Avant de remettre l’ordinateur sous tension après remplacement d’une unité
en clientèle, vérifiez que tous les ressorts, vis et autres pièces sont bien en
place et bien fixées. Pour ce faire, secouez l’unité et assurez-vous qu’aucun
bruit suspect ne se produit. Des pièces métalliques ou des copeaux de métal
pourraient causer un court-circuit.
Bevor nach einem FRU-Austausch der Computer wieder angeschlossen
wird, muĂź sichergestellt werden, daĂź keine Schrauben, Federn oder andere
Kleinteile fehlen oder im Gehäuse vergessen wurden. Der Computer muß
geschüttelt und auf Klappergeräusche geprüft werden. Metallteile oder-
splitter können Kurzschlüsse erzeugen.
Prima di accendere l’elaboratore dopo che é stata effettuata la sostituzione di
una FRU, accertarsi che tutte le viti, le molle e tutte le altri parti di piccole
dimensioni siano nella corretta posizione e non siano sparse all’interno
dell’elaboratore. Verificare ciò scuotendo l’elaboratore e prestando
attenzione ad eventuali rumori; eventuali parti o pezzetti metallici possono
provocare cortocircuiti pericolosi.
Antes de encender el sistema despues de sustituir una FRU, compruebe que
todos los tornillos, muelles y demás piezas pequeñas se encuentran en su
sitio y no se encuentran sueltas dentro del sistema. Compruébelo agitando el
sistema y escuchando los posibles ruidos que provocarĂ­an. Las piezas
metálicas pueden causar cortocircuitos eléctricos.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
8
Safety notice 2
DANGER
Some standby batteries contain a small amount of nickel and cadmium. Do
not disassemble a standby battery, recharge it, throw it into fire or water, or
short-circuit it. Dispose of the battery as required by local ordinances or
regulations. Use only the battery in the appropriate parts listing. Use of an
incorrect battery can result in ignition or explosion of the battery.
Certaines batteries de secours contiennent du nickel et du cadmium. Ne les
démontez pas, ne les rechargez pas, ne les exposez ni au feu ni à l’eau. Ne
les mettez pas en court-circuit. Pour les mettre au rebut, conformez-vous Ă 
la réglementation en vigueur. Lorsque vous remplacez la pile de sauvegarde
ou celle de l’horloge temps réel, veillez à n’utiliser que les modèles cités dans
la liste de pièces détachées adéquate. Une batterie ou une pile inappropriée
risque de prendre feu ou d’exploser.
Die Bereitschaftsbatterie, die sich unter dem Diskettenlaufwerk befindet,
kann geringe Mengen Nickel und Cadmium enthalten. Sie darf nicht
zerlegt, wiederaufgeladen, kurzgeschlossen, oder Feuer oder Wasser
ausgesetzt werden. Bei der Entsorgung die örtlichen Bestimmungen für
SondermĂĽll beachten. Beim Ersetzen der Bereitschafts-oder Systembatterie
nur Batterien des Typs verwenden, der in der Ersatzteilliste aufgefĂĽhrt ist.
Der Einsatz falscher Batterien kann zu EntzĂĽndung oder Explosion fĂĽhren.
Alcune batterie di riserva contengono una piccola quantitĂ  di nichel e
cadmio. Non smontarle, ricaricarle, gettarle nel fuoco o nell’acqua né
cortocircuitarle. Smaltirle secondo la normativa in vigore (DPR 915/82,
successive disposizioni e disposizioni locali). Quando si sostituisce la
batteria dell’RTC (real time clock) o la batteria di supporto, utilizzare
soltanto i tipi inseriti nell’appropriato Catalogo parti. L’impiego di una
batteria non adatta potrebbe determinare l’incendio o l’esplosione della
batteria stessa.
Algunas baterías de reserva contienen una pequeña cantidad de níquel y
cadmio. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las
cortocircuite. Deséchelas tal como dispone la normativa local. Utilice sólo
baterĂ­as que se encuentren en la lista de piezas. La utilizaciĂłn de una baterĂ­a
no apropiada puede provocar la igniciĂłn o explosiĂłn de la misma.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
10
Safety notice 4
DANGER
The lithium battery can cause a fire, an explosion, or a severe burn. Do not
recharge it, remove its polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of
the battery as required by local ordinances or regulations. Use only the
battery in the appropriate parts listing. Use of an incorrect battery can result
in ignition or explosion of the battery.
La pile de sauvegarde contient du lithium. Elle présente des risques
d’incendie, d’explosion ou de brûlures graves. Ne la rechargez pas, ne
retirez pas son connecteur polarisé et ne la démontez pas. Ne l’exposez pas
à une temperature supérieure à 100°C, ne la faites pas brûler et n’en exposez
pas le contenu à l’eau. Mettez la pile au rebut conformément à la
réglementation en vigueur. Une pile inappropriée risque de prendre feu ou
d’exploser.
Die Systembatterie ist eine Lithiumbatterie. Sie kann sich entzĂĽnden,
explodieren oder schwere Verbrennungen hervorrufen. Batterien dieses
Typs dĂĽrfen nicht aufgeladen, zerlegt, ĂĽber 100 C erhitzt oder verbrannt
werden. Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder
der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden.
Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten.
Beim Ersetzen der Batterie nur Batterien des Typs verwenden, der in der
Ersatzteilliste aufgefĂĽhrt ist. Der Einsatz falscher Batterien kann zu
EntzĂĽndung oder Explosion fĂĽhren.
La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o
procurare gravi ustioni. Evitare di ricaricarla, smontarne il connettore
polarizzato, smontarla, riscaldarla ad una temperatura superiore ai 100
gradi centigradi, incendiarla o gettarla in acqua. Smaltirla secondo la
normativa in vigore (DPR 915/82, successive disposizioni e disposizioni
locali). L’impiego di una batteria non adatta potrebbe determinare
l’incendio o l’esplosione della batteria stessa.
La baterĂ­a de repuesto es una baterĂ­a de litio y puede provocar incendios,
explosiones o quemaduras graves. No la recargue, ni quite el conector
polarizado, ni la desmonte, ni caliente por encima de los 100°C (212°F), ni la
incinere ni exponga el contenido de sus celdas al agua. Deséchela tal como
dispone la normativa local.
Safety information
11
Safety notice 5
If the LCD breaks and the fluid from inside the LCD gets into your eyes or
on your hands, immediately wash the affected areas with water at least for
15 minutes. Seek medical care if any symptoms caused by the fluid are
present after washing.
Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans
les yeux ou sur les mains une partie du fluide, rincez-les abondamment
pendant au moins quinze minutes. Consultez un médecin si des symptômes
persistent après le lavage.
Die Leuchtstoffröhre im LCD-Bildschirm enthält Quecksilber. Bei der
Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. Der
LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn er
unsachgemäß behandelt wird oder der Computer auf den Boden fällt. Wenn
der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in
Kontakt mit Haut und Augen gerät, sollten die betroffenen Stellen
mindestens 15 Minuten mit Wasser abgespĂĽlt und bei Beschwerden
anschlieĂźend ein Arzt aufgesucht werden.
Nel caso che caso l’LCD si dovesse rompere ed il liquido in esso contenuto
entrasse in contatto con gli occhi o le mani, lavare immediatamente le parti
interessate con acqua corrente per almeno 15 minuti; poi consultare un
medico se i sintomi dovessero permanere.
Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o
sus manos, lave inmediatamente las áreas afectadas con agua durante
15 minutos como mĂ­nimo. Obtenga atenciĂłn medica si se presenta algĂşn
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
12
Safety notice 6
DANGER
To avoid shock, do not remove the plastic cover that protects the lower part
of the inverter card.
Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en
plastique protégeant la partie inférieure de la carte d’alimentation.
Aus SicherheitsgrĂĽnden die Kunststoffabdeckung, die den unteren Teil der
Spannungswandlerplatine umgibt, nicht entfernen.
Per evitare scosse elettriche, non rimuovere la copertura in plastica che
avvolge la parte inferiore della scheda invertitore.
Para evitar descargas, no quite la cubierta de plástico que rodea la parte baja
de la tarjeta invertida.
Safety notice 7
DANGER
Though the main batteries have low voltage, a shorted or grounded battery
can produce enough current to burn personnel or combustible materials.
Bien que le voltage des batteries principales soit peu élevé, le court-circuit ou
la mise à la masse d’une batterie peut produire suffisamment de courant
pour brûler des matériaux combustibles ou causer des brûlures corporelles
graves.
Obwohl Hauptbatterien eine niedrige Spannung haben, können sie doch bei
KurzschluĂź oder Erdung genug Strom abgeben, um brennbare Materialien
zu entzĂĽnden oder Verletzungen bei Personen hervorzurufen.
Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in
corto circuito o a massa può fornire corrente sufficiente da bruciare materiali
combustibili o provocare ustioni ai tecnici di manutenzione.
Aunque las baterĂ­as principales tienen un voltaje bajo, una baterĂ­a
cortocircuitada o con contacto a tierra puede producir la corriente suficiente
como para quemar material combustible o provocar quemaduras en el
personal.
Safety information
13
Safety notice 8
DANGER
Before removing any FRU, turn off the computer, unplug all power cords
from electrical outlets, remove the battery pack, and then disconnect any
interconnecting cables.
Avant de retirer une unité remplaçable en clientèle, mettez le système hors
tension, débranchez tous les cordons d’alimentation des socles de prise de
courant, retirez la batterie et déconnectez tous les cordons d’interface.
Die Stromzufuhr muĂź abgeschaltet, alle Stromkabel aus der Steckdose
gezogen, der Akku entfernt und alle Verbindungskabel abgenommen sein,
bevor eine FRU entfernt wird.
Prima di rimuovere qualsiasi FRU, spegnere il sistema, scollegare dalle prese
elettriche tutti i cavi di alimentazione, rimuovere la batteria e poi scollegare
i cavi di interconnessione.
Antes de quitar una FRU, apague el sistema, desenchufe todos los cables de
las tomas de corriente eléctrica, quite la batería y, a continuación, desconecte
cualquier cable de conexiĂłn entre dispositivos.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
14
Some models of Lenovo computer are equipped from the factory with an optical
storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are
also sold separately as options. If one of these drives is installed, it is certified in
the U.S. to conform to the requirements of the Department of Health and Human
Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class
1 laser products. Elsewhere, the drive is certified to conform to the requirements
of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60
825 for Class 1 laser products.
If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note
the following:
Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage
device could result in exposure to hazardous laser radiation. There are no
serviceable parts inside those drives. Do not open.
Laser compliance statement
CAUTION
Use of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de procedimentos diferentes
daqueles aqui especificados pode resultar em perigosa exposição à radiação.
Pour éviter tout risque d’exposition au rayon laser, respectez les consignes
de réglage et d’utilisation des commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als hier festgesetzt verwendet,
kann gefährliche Laserstrahlung auftreten.
L’utilizzo di controlli, regolazioni o l’esecuzione di procedure diverse da
quelle specificate possono provocare l’esposizione a.
El uso de controles o ajustes o la ejecuciĂłn de procedimientos distintos de los
aquĂ­ especificados puede provocar la exposiciĂłn a radiaciones peligrosas.
Safety information
15
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may
contain an embedded Class 3A or Class 3B laser diode. Note the following:
DANGER
Emits visible and invisible laser radiation when open. Do not stare into the
beam, do not view directly with optical instruments, and avoid direct
exposure to the beam.
Radiação por raio laser ao abrir. Não olhe fixo no feixe de luz, não olhe
diretamente por meio de instrumentos óticos e evite exposição direta com o
feixe de luz.
Rayonnement laser si carter ouvert. Évitez de fixer le faisceau, de le regarder
directement avec des instruments optiques, ou de vous exposer au rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht direkt oder über optische
Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden.
Kinyitáskor lézersugár ! Ne nézzen bele se szabad szemmel, se optikai
eszközökkel. Kerülje a sugárnyalábbal való érintkezést!
Aprendo l’unità vengono emesse radiazioni laser. Non fissare il fascio, non
guardarlo direttamente con strumenti ottici e evitare l’esposizione diretta al
fascio.
Radiación láser al abrir. No mire fijamente ni examine con instrumental
Ăłptico el haz de luz. Evite la exposiciĂłn directa al haz.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
16
This chapter presents the following important service information:
• “Strategy for replacing FRUs” on page 16
— “Important notice for replacing a system board” on page 17
• “Important information about replacing RoHS compliant FRUs” on page 18
Before replacing parts:
Make sure that all software fixes, drivers, and BIOS downloads are installed
before replacing any FRUs listed in this manual.
After a system board is replaced, ensure that the latest BIOS is loaded to the
system board before completing the service action.
To download software fixes, drivers, and BIOS, follow the steps below:
1. Go to http://consumersupport.lenovo.com/.
2. Enter a serial number or select a product or use Lenovo smart downloading.
3. Select the BIOS/Driver/Applications and download.
4. Follow the directions on the screen and install the necessary software.
Use the following strategy to prevent unnecessary expense for replacing and
servicing FRUs:
• If you are instructed to replace an FRU, but the replacement does not solve
the problem, reinstall the original FRU before you continue.
• Some computers have both a processor board and a system board. If you are
instructed to replace either of them, and replacing one of them does not solve
the problem, reinstall that board, and then replace the other one.
• If an adapter or a device consists of more than one FRU, any of the FRUs may
be the cause of the error. Before replacing the adapter or device, remove the
FRUs one by one to see if the symptoms change. Replace only the FRU that
changed the symptoms.
Attention: The setup configuration on the computer you are servicing may have
been customized. Running Automatic Configuration may alter the settings. Note
the current configuration settings (using the View Configuration option); then,
when service has been completed, verify that those settings remain in effect.
Important service information
Important:
BIOS and device driver fixes are customer-installable. The BIOS and device
drivers are posted on the customer support site:
http://consumersupport.lenovo.com/.
Strategy for replacing FRUs
Important service information
17
Important notice for replacing a system board
Some components mounted on a system board are very sensitive. Improper
handling can cause damage to those components, and may cause a system
malfunction.
Attention: When handling a system board:
• Do not drop the system board or apply any excessive force to it.
• Avoid rough handling of any kind.
• Avoid bending the system board and hard pushing to prevent cracking at
each BGA (Ball Grid Array) chipset.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
18
RoHS, The Restriction of Hazardous Substances in Electrical and
Electronic Equipment Directive (2002/95/EC) is a European Union legal
requirement affecting the global electronics industry. RoHS requirements
must be implemented on Lenovo products placed on the market after June
2006. Products on the market before June 2006 are not required to have
RoHS compliant parts. If the original FRU parts are non-compliant,
replacement parts can also be non-compliant. In all cases if the original
FRU parts are RoHS compliant, the replacement part must also be RoHS
compliant.
Note: RoHS and non-RoHS FRU part numbers with the same fit and function are
identified with unique FRU part numbers.
Lenovo plans to transit to RoHS compliance well before the implementation date
and expects its suppliers to be ready to support Lenovo’s requirements and
schedule in the EU. Products sold in 2005 and 2006 will contain some RoHS
compliant FRUs. The following statement pertains to these products and any
product Lenovo produces containing RoHS compliant FRUs.
RoHS compliant FRUs have unique FRU part numbers. Before or after the RoHS
implementation date, failed RoHS compliant parts must always be replaced with
RoHS compliant ones, so only the FRUs identified as compliant in the system
HMM or direct substitutions for those FRUs may be used.
Note: A direct substitution is a part with a different FRU part number that is
automatically shipped by the distribution center at the time of the order.
Products marketed before June 2006 Products marketed after June 2006
Current or
original part
Replacement
FRU
Current or
original part
Replacement
FRU
Non-RoHS Can be Non-RoHS
Must be RoHS Must be RoHS
Non-RoHS Can be RoHS
Non-RoHS Can sub to RoHS
RoHS Must be RoHS
Important information about replacing RoHS compliant FRUs
General checkout
19
This chapter presents the following information:
• “What to do first” on page 20
• “Power system checkout” on page 21
Before you go to the checkout, make sure to read the following important notes:
General checkout
Important notes:
•Only certified trained personnel can service the computer.
•Before replacing any FRU, read the entire page on removing and
replacing FRUs.
•When you replace FRUs, use new nylon-coated screws.
•Be extremely careful during such write operations as copying,
saving, or formatting. Drives in the computer that you are servicing
sequence might have been altered. If you select an incorrect drive, data
or programs might be overwritten.
•Replace an FRU only with another FRU of the correct model. When
you replace an FRU, make sure that the machine model and the FRU part
number are correct by referring to the FRU parts list.
•An FRU should not be replaced just because of a single,
unreproducible failure. Single failures can occur for a variety of reasons
that have nothing to do with a hardware defect, such as cosmic radiation,
electrostatic discharge, or software errors. Consider replacing an FRU
only when a problem recurs. If you suspect that an FRU is defective,
clear the error logs and run the test again. If the error does not recur, do
not replace the FRU.
•Be careful not to replace a nondefective FRU.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
When you do return an FRU, you must include the following information in the
parts exchange form or parts return form that you attach to it:
1. Name and phone number of servicer
2. Date of service
3. Date on which the machine failed
4. Date of purchase
5. Procedure index and page number in which the failing FRU was detected
6. Failing FRU name and part number
7. Machine type, model number, and serial number
8. Customer’s name and address
Note for warranty: During the warranty period, the customer may be
responsible for repair costs if the computer damage was caused by misuse,
accident, modification, unsuitable physical or operating environment, or
improper maintenance by the customer.
The following is a list of some common items that are not covered under
warranty and some symptoms that might indicate that the system was subjected
to stress beyond normal use.
Before checking problems with the computer, determine whether the damage is
covered under the warranty by referring to the following list:
The following are not covered under warranty:
• LCD panel cracked from the application of excessive force or from being
dropped
• Scratched (cosmetic) parts
• Distortion, deformation, or discoloration of the cosmetic parts
• Plastic parts, latches, pins, or connectors that have been cracked or broken by
excessive force
• Damage caused by liquid spilled into the system
• Damage caused by the improper insertion of a PC Card or the installation of
an incompatible card
• Improper disk insertion or use of an optical drive
• Diskette drive damage caused by pressure on the diskette drive cover,
foreign material in the drive, or the insertion of a diskette with multiple
labels
• Damaged or bent diskette eject button
• Fuses blown by attachment of a nonsupported device
• Forgotten computer password (making the computer unusable)
• Sticky keys caused by spilling a liquid onto the keyboard
• Use of an incorrect AC adapter on laptop products
The following symptoms might indicate damage caused by nonwarranted
activities:
• Missing parts might be a symptom of unauthorized service or modification.
• If the spindle of a hard disk drive becomes noisy, it may have been subjected
to excessive force, or dropped.
What to do first
General checkout
To verify a symptom, follow the steps below:
1. Turn off the computer.
2. Remove the battery pack.
3. Connect the AC adapter.
4. Make sure that power is supplied when you turn on the computer.
5. Turn off the computer.
6. Disconnect the AC adapter and install the charged battery pack.
7. Make sure that the battery pack supplies power when you turn on the
computer.
If you suspect a power problem, see the appropriate one of the following power
supply checkouts:
• “Checking the Computer AC Charger” on page 21
• “Checking the internal battery status” on page 22
Checking the Computer AC Charger
When you use the computer AC Charger to charge the tablet but no power is
charged, see the instructions in this topic to check the computer AC Charger.
To check the computer AC Charger, do the following:
1. Disconnect the micro-USB cable from the tablet.
2. Measure the output voltage across the connector marked B of the micro-USB
cable. Refer to the following figure:
Note: The output voltage across pin 3 of the micro-B connector might be
different from the one you are servicing.
3. If the voltage is not correct, replace the micro-USB cable.
4. If the voltage is acceptable, replace the system board.
Power system checkout
Pin Volta e (V dc)g
1 Ground
2 0
3 +5
12 3 (5V)
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
Checking the internal battery status
To check the battery status of the tablet, do either of the following:
• Approximate information about the battery status
Get the approximate status of the battery at any time by checking the battery
status icon on the system bar in the upper-right corner of the screen. The
shorter the green bar is, the less the battery power remains.
• Accurate information about the battery status
To get the accurate information about the battery status of the tablet, do the
following:
1. Open the Android Settings screen.
To open the Android Settings screen, do either of the following:
– From the main Home screen, touch the Android Settings icon on
Lenovo Launch Zone. The Android Settings screen is displayed.
– Pull down the application icon from the action bar and then touch
Settings. The Android Settings screen is displayed.
2. Touch Battery in the Device section on the Android Settings screen.
3. The accurate percentage of the remaining battery power is shown on the
screen.
Related service information
This chapter presents the following information:
• “Security” on page 23
• “Power management” on page 23
Security settings include: SCREEN SECURITY, SIM CARD LOCK (LTE version
only), PASSWORDS, DEVICE ADMINISTRATION and CREDENTIAL
STORAGE.
Note: Power management modes are not supported for APM operating system.
To reduce power consumption, the computer has three power management
modes: screen blank, sleep (standby), and hibernation.
Activating/Deactivating the Display
With the display deactivated, press the Power button on the computer to activate
the display. The computer display will then illuminate, indicating that it has
been activated.
If you do not need to use your computer temporarily, you can press the Power
button to deactivate the display. Your computer will then enter standby mode to
save power.
Related service information
Security
Power management
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
This chapter presents the following product-specific service references and
product-specific parts information:
• “Specifications” on page 24
• “Components location” on page 26
• “Parts list” on page 28
• “FRU replacement notices” on page 33
• “Removing and replacing an FRU” on page 34
The following table lists the specifications of the Lenovo YOGA Tab 3 10”tablet.
Table 1. Specifications
Feature Description
Size & Weight
Size • 253mm x 185mm x (3.5 ~ 9.5)mm
Weight • 600g
System
CPU • N/A
Platform Chipset • Qualcomm® Sandragon™ APQ8009 (HD edition)
(WiFi version)
• Qualcomm® Snapdragon™ MSM8909(HD edition)
(LTE versions)
Graphic Chipset • Andero 304
RAM • LP-DDR3 1GB (for 16GB model)
• LP-DDR3 2GB (for 32GB model)
Storage Capacity • 16GB/32GB
LCD • 10.1”, IPS, 800 x 1,280 pixels, IPS
Camera • Rotated camera, 8.0Mega pixels
Battery • Li-ion battery, 8,400 ~ 8,700mAh
Operating System
• Android 5.1 or later versions
Network
• GSM, UMTS, TD-SCDMA, FDD LTE, TDD LTE
(LTE versions only)
Lenovo YOGA Tab 3 10”
Specifications
Note:
The listed technical data is applicable to all versions of the product, i.e. the
WiFi version (Lenovo YT3-X50F), the LTE data version (Lenovo YT3-X50L)
and the LTE voice version (Lenovo YT3-X50M), unless otherwise specified.
Lenovo YOGA Tab 3 10”
Ports
• Micro-USB (USB 2.0)
• Combo Audio Jack, 3.5mm (with Audio and
Microphone)
• Micro SIM card slot (LTE versions only)
• Micro-SD card slot (support external Micro-SD card
up to 64GB)
Communication
• WiFi: 802.11 b/g/n, 2.4GHz
• Wireless WAN (LTE versions only): FDD LTE Cat.4
150Mbps, DC-HSPA+ 42 Mbps, TD-SCDMA
• GSM/EDGE: Band 2/3/5/8 (LTE versions only)
• WCDMA: Band 1/2/5/8 (LTE versions only), China
Market only
• WCDMA: Band 1/2/4/5/8 (LTE versions only), ROW
• TD-SCDMA: Band 34/39 (LTE versions only), China
Market only
• FDD LTE: Band 1/3/7 (LTE versions only), China
Market only
• FDD LTE: Band 1/3/4/5/7/8/19/20 (LTE versions
only), ROW
• TDD LTE: Band 38/39/40/41 (LTE versions only),
China Market only
• TDD LTE: Band 38/40/ (LTE versions only), ROW
• Bluetooth 3.0 and 4.0
• GPS
• GLONASS
• AGPS (LTE versions only)
• Beidou
• Voice call (LTE voice version only)
Others
• Speaker (Left and right)
• Microphone
• Gravity sensor
• E-compass
• Ambient light sensor
• Vibrator
• Hall sensor
• LED indicator (on power button)
• Dolby audio system
• Camera Gesture Control
• Codec support
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
Front view
Left speaker
Right speaker
Components location
a
Lenovo YOGA Tab 3 10”
Rear view
Audio Jack
Microphone
SIM card slot (for LTE versions only)
Micro-SD card slot
Volume key
Micro-USB connection
Power key
Rotated camera
Hinge frame latch
k
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
This section presents the following service parts:
• “FRUs list” on page 28
• “Screws list” on page 32
FRUs list
Parts list
Note:
The listed technical data is applicable to all versions of the product, i.e. the
WiFi version (Lenovo YT3-X50F), the LTE data version (Lenovo YT3-X50L)
and the LTE voice version (Lenovo YT3-X50M), unless otherwise specified.
Lenovo YOGA Tab 3 10”
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
Table 1. FRUs list–Overall
No. FRU FRU No. CRU ID
1 Lenovo YT3-X50 rear cover Lenovo YT3-X50F:
5S58C03567
Lenovo YT3-X50L/M:
5S58C03887
N
2 Lenovo YT3-X50 front housing (TP
LCM assembly)
5D68C03557 N
3 Lenovo YT3-X50 battery pack 5B18C03587 N
battery cell SB18C03138
SB18C03137
N
4 Lenovo YT3-X50 rotated camera 5C28C03558 N
5 Lenovo YT3-X50 hinge pivot lock
slider
5S58C03570 N
6 Lenovo YT3-X50 diversity antenna
(LTE versions only)
Lenovo YT3-X50L/M:
5R28C03886
N
7 Lenovo YT3-X50 metal piece for
fixing the battery FPC
5M88C02833 N
8 Lenovo YT3-X50 vibrator motor 5M78C02825
5M78C03896
N
9 Lenovo YT3-X50 microphone 5M48C03566
SSB9A44424
N
10 Lenovo YT3-X50 audio jack FPC 5F78C03559 N
11 Lenovo YT3-X50 main board Lenovo YT3-X50F:
5B28C03586 (16G)
Lenovo YT3-X50L
5B28C03874 (16G)
Lenovo YT3-X50M
5B28C03873 (16G)
N
12 Lenovo YT3-X50 audio jack frame 5S58C03568 N
13 Lenovo YT3-X50 right speaker 5SB8C03565
5SB8C03895
N
14 Lenovo YT3-X50 card slot cover 5S58C03571 N
15 Lenovo YT3-X50 power key FPC 5F78C03561
5F78C03892
N
Lenovo YT3-X50 power key FPC
frame
5S58C03569 N
16 Lenovo YT3-X50 LCD FPC 5F78C03562
5F78C03893
N
17 Lenovo YT3-X50 USB and volume
key FPC
5F78C03560
5F78C03891
N
18 Lenovo YT3-X50 volume key 5B68C03574 N
19 Lenovo YT3-X50 main antenna Lenovo YT3-X50F:
5A38C03563
Lenovo YT3-X50L/M:
5R28C03885
N
20 Lenovo YT3-X50 hinge frame latch 5B68C03575 N
Lenovo YOGA Tab 3 10”
21 Lenovo YT3-X50 metal piece for
fastening the battery and camera
FPC
5M88C03576 N
22 Lenovo YT3-X50 hinge pivot 5SR8C03578 N
23 Lenovo YT3-X50 left speaker 5SB8C03564
5SB8C03894
N
24 Lenovo YT3-X50 power key 5B68C03573 N
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
Screws list
Table 2. Parts list–Screw
FRU P/N CRU ID
Phillips cross head screw, M1.4 Ă— 1.8, wide head 5M88C02828 N
Phillips cross head screw, M1.4 Ă— 2.0 5M88C02829 N
Phillips cross head screw, M1.4 Ă— 2.5 5M89A6MW27 N
Lenovo YOGA Tab 3 10”
This section presents notices related to removing and replacing parts. Read this
section carefully before replacing any FRU.
Screw notices
Loose screws can cause a reliability problem. In Lenovo computers, this problem
is addressed with special nylon-coated screws that have the following
characteristics:
• They maintain tight connections.
• They do not easily come loose, even with shock or vibration.
• They are harder to tighten.
• Each one should be used only once.
Do the following when you service this machine:
• Keep the screw kit in your tool bag.
• Always use new screws.
• Use a torque screwdriver if you have one.
Tighten screws as follows:
•Plastic to plastic
Turn an additional 90° after the screw head touches the surface of the plastic
part:
•Logic card to plastic
Turn an additional 180° after the screw head touches the surface of the logic
card:
•Torque driver
If you have a torque screwdriver, refer to the “Torque” column for each step.
• Make sure that you use the correct screws. If you have a torque screwdriver,
tighten all screws firmly to the torque shown in the table. Never use a screw
that you removed. Use a new one. Make sure that all screws are
tightened firmly.
• Ensure torque screwdrivers are calibrated correctly following country
specifications.
FRU replacement notices
more than 90°
(Cross-section)
more than 180°
(Cross-section)
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
This section presents exploded figures with the instructions to indicate how to
remove and replace the FRU. Make sure to observe the following general rules:
1. Do not attempt to service any computer unless you have been trained and
certified. An untrained person runs the risk of damaging parts.
2. Before replacing any FRU, review “FRU replacement notices” on page 33.
3. Begin by removing any FRUs that have to be removed before the failing FRU.
Any of such FRUs are listed at the top of the section that describes the
detailed removing and replacing procedure for the failing FRU. Remove
them in the order in which they are listed.
4. Follow the correct sequence in the steps to remove the FRU, while referring
to figures provided in the procedure.
5. When turning a screw to replace an FRU, turn it in the direction as given by
the arrow in the figure.
6. When removing the FRU, move it in the direction as given by the arrow in the
figure.
7. To put the new FRU in place, reverse the removal procedures and follow any
of the notes that pertain to replacement. For information about connecting
and arranging internal cables, see “Components location” on page 26.
8. When replacing an FRU, use the correct screw as specified in the procedures.
Attention: After replacing an FRU, do not turn on the computer until you have
made sure that all screws, springs, and other small parts are in place and none
are loose inside the computer. Verify this by shaking the computer gently and
listening for rattling sounds. Metallic parts or metal flakes can cause electrical
short circuits.
Attention: The system board is sensitive to, and can be damaged by, electrostatic
discharge. Before touching it, establish personal grounding by touching a
ground point with one hand or using an electrostatic discharge (ESD) strap
(P/N 6405959) to remove potential shock reasons.
Removing and replacing an FRU
DANGER
Before removing any FRU, turn off the computer, unplug all power cords
from electrical outlets, remove the battery pack, and then disconnect any of
the interconnecting cables.
Lenovo YOGA Tab 3 10”
1010 Rear cover
1. Open the hinge frame.
Figure 1-1. Opening the hinge frame
2. Remove the card slot cover.
Figure 1-2. Removing the card slot cover
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
3. Remove screws on the rear cover as shown in the figure below.
Figure 1-3. The screws on the rear cover
4. Hold the tablet in one hand and use a opening tool to unlock the rear cover
from the side of the tablet along the joint line as shown in the figure below.
Figure 1-4. Unlocking the rear cover from the main body (along the joint line)
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.0 (3) Black N/A
a
a
Lenovo YOGA Tab 3 10”
5. Slowly remove the rear cover.
Figure 1-5. The removed rear cover
CAUTION:
Handle with care!
The rear cover or its locks can be damaged!
Do not try to lift the rear cover off the tablet when it is tightly locked or
conglutinated at some places. Use a thin blade to unlock or seperate these
places first.
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
1120 Power button
For access, remove the following FRU:
• “1010 Rear cover” on page 35
1. Remove the power button from the rear cover.
Figure 2-1. Removing the power button
Figure 2-2. The removed power button
Lenovo YOGA Tab 3 10”
1030 Volume key
For access, remove the following FRU:
• “1010 Rear cover” on page 35
1. Detach the volume key at the positions shown in the figure below.
Figure 3-1. Detaching the volume key
2. Remove the volume key.
Figure 3-2. Removing the volume key
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
Figure 3-3. The removed volume key
Lenovo YOGA Tab 3 10”
41
1040 Hinge frame latch
For access, remove the following FRUs in order:
• “1010 Rear cover” on page 35
1. Remove the conductive fabric on the hinge frame latch (if applicable).
Figure 4-1. Removing the conductive fabric
2. Remove screws on the hinge frame latch as shown in the figure below.
Figure 4-2. The screws on the hinge latch
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.0 (4) Black N/A
a
a
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
42
3. Remove the hinge frame latch.
Figure 4-3. Removing the hinge frame latch
Figure 4-4. The removed hinge frame latch
Lenovo YOGA Tab 3 10”
43
1050 Left speaker
For access, remove the following FRU:
• “1010 Rear cover” on page 35
1. Remove screws on the metal piece for fixing the battery FPC as shown in
the figure below.
Figure 5-1. The screws on the metal piece for fixing the battery FPC
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.0 (2) Black N/A
a
a
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
44
2. Remove the metal piece using a pair of tweezers.
Figure 5-2. Removing the metal piece
3. Disconnect the power supply to the tablet by detaching the battery FPC from
its connector on the main board.
Figure 5-3. Disconnecting the power supply of the tablet
Lenovo YOGA Tab 3 10”
45
4. Desolder the wires of the left speaker from the main board at the position
shown in the figure below.
Figure 5-4. Position for desoldering the wires of the left speaker
5. Remove screws on the left speaker as shown in the figure below.
Figure 5-5. The screws on the left speaker
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.5 (2) Silver N/A
a
a
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
46
6. Remove the mylar on the left speaker wires (if applicable).
Figure 5-6. Removing the mylar on the left speaker wires
7. Remove the left speaker.
Figure 5-7. Removing the left speaker
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
48
1060 Right speaker
For access, remove the following FRUs in order:
• “1010 Rear cover” on page 35
and
Detach the following FPC from the main board:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left
speaker”)
1. Unlock the connector of the audio jack FPC on the main board using a
triangle paddle.
Figure 6-1. Unlocking the connector of the audio jack FPC
Lenovo YOGA Tab 3 10”
49
2. Pull out the audio jack FPC from its connector using a pair of tweezers.
Figure 6-2. Pulling out the audio jack FPC
3. Desolder the wires of the right speaker from the main board at the position
shown in the figure below.
Figure 6-3. Position for desoldering the wires of the right speaker
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
50
4. Remove screws
on the right speaker as shown in the figure below.
Figure 6-4. The screws on the right speaker
5. Remove the right speaker.
Figure 6-5. Removing the right speaker
Part No. Screw (quantity) Color Torque
M1.4 Ă— 1.8, wide head (1) Silver N/A
M1.4 Ă— 2.5 (2) Silver N/A
a
a
b
Lenovo YOGA Tab 3 10”
51
Figure 6-6. The removed right speaker
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
52
1070 Microphone
For access, remove the following FRUs in order:
• “1010 Rear cover” on page 35
and
Detach the following FPC from the main board:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left
speaker”)
1. Desolder the wires of the microphone at the position shown in the figure
below.
Figure 7-1. Position for desoldering the wires of the microphone
Lenovo YOGA Tab 3 10”
2. Remove the microphone.
Figure 7-2. Removing the microphone
Figure 7-3. The removed microphone
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
1080 Vibrator motor
For access, remove the following FRU:
• “1010 Rear cover” on page 35
Detach the following FPC from the main board:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left speaker”
1. Desolder the wires of the vibrator motor at the position shown in the figure
below.
Figure 8-1. Position for desoldering the wires of the vibrator motor
2. Remove the vibrator motor from its seat.
Figure 8-2. Removing the vibrator motor
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
1090 Power FPC
For access, remove the following FRUs in order:
• “1010 Rear cover” on page 35
and
Detach the following FPC from the main board:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left
speaker”)
1. Unlock the connector of the power FPC on the main board using a triangle
paddle.
Figure 9-1. Unlocking the connector of the power FPC
Lenovo YOGA Tab 3 10”
57
2. Pull out the power FPC from its connector using a pair of tweezers.
Figure 9-2. Pulling out the power FPC
3. Detach the power key FPC from the side of the front housing as shown in the
figure below.
Figure 9-3. Detaching the power key FPC
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
58
4. Remove screws
on the power FPC frame as shown in the figure below.
Figure 9-4. The screws on the power FPC frame
5. Remove the power FPC frame with power FPC attached.
Figure 9-5. Removing the power FPC frame with power FPC attached
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.5 (4) Silver N/A
a
a
Lenovo YOGA Tab 3 10”
59
Figure 9-6. The removed power FPC frame with power FPC attached
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
60
1100 LCD FPC
For access, remove the following FRUs in order:
• “1010 Rear cover” on page 35
and
Detach the following FPC from the main board:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left speaker”
1. Remove the conductive fabric on the LCD FPC (if applicable).
Figure 10-1. Removing the conductive fabric on the LCD FPC
Lenovo YOGA Tab 3 10”
61
2. Unlock the connector of the LCD FPC on the front housing using a triangle
paddle.
Figure 10-2. Unlocking the connector of the LCD FPC (front housing side)
3. Remove the LCD FPC from its connector on the front housing.
Figure 10-3. Removing the LCD FPC (from the front housing side)
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
62
4. Unlock the connector of the LCD FPC on the main board using a triangle
paddle.
Figure 10-4. Unlocking the connector of the LCD FPC (main board side)
5. Pull out the LCD FPC from its connector on the main board using a pair of
tweezers.
Figure 10-5. Pulling out the LCD FPC (from the main board side)
Lenovo YOGA Tab 3 10”
63
6. Remove the LCD FPC.
Figure 10-6. Removing the LCD FPC
Figure 10-7. The removed LCD FPC
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
64
1110 Audio jack FPC
For access, remove the following FRUs in order:
• “1010 Rear cover” on page 35
and
Detach the following FPC from the main board:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left
speaker”)
• “1070 Microphone” on page 52
• “1080 Vibrator motor” on page 54
1. Remove screws
on the audio jack box as shown in the figure below.
Figure 11-1. The screws on the audio jack box
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.5 (3) Silver N/A
a
a
Lenovo YOGA Tab 3 10”
65
2. Remove the audio jack frame.
Figure 11-2. Removing the audio jack frame
3. Unlock the connector of the audio jack FPC on the main board using a
triangle paddle.
Figure 11-3. Unlocking the connector of the audio jack FPC
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
66
4. Pull out the audio jack FPC from its connector using a pair of tweezers.
Figure 11-4. Pulling out the audio jack FPC
5. Detach the audio jack FPC from the front housing.
Figure 11-5. Detach the audio jack FPC
Lenovo YOGA Tab 3 10”
67
6. Detach the audio jack PCB from the front housing.
Figure 11-6. Detaching the audio jack PCB
7. Detach the microphone and vibrator motor PCB from the front housing.
Figure 11-7. Detaching the microphone and vibrator motor PCB
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
68
Figure 11-8. The removed audio jack FPC
Lenovo YOGA Tab 3 10”
69
1120 Main antenna
For access, remove the following FRU:
• “1010 Rear cover” on page 35
and
Detach the following FPCs, wire connections and FRUs:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left
speaker”)
1. Remove screws on the main antenna as shown in the figure below.
Figure 12-1. The screws on the antenna
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.0 (3) Black N/A
a
a
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
70
2. Disconnect the main antenna cable from its connector on the main board at
the position shown in the figure below.
Figure 12-2. Positions for disconnecting the antennas (LTE versions)
Figure 12-3. Positions for disconnecting the antennas (WiFi version)
Lenovo YOGA Tab 3 10”
71
3. Remove the mylar on the main antenna cable(s).
Figure 12-4. Removing the mylar on the antenna cables (LTE versions)
Figure 12-5. Removing the mylar on the antenna cable (WiFi version)
Lenovo YOGA Tab 3 10”
73
Figure 12-8. Removing the antenna
Figure 12-9. Removing the antenna cable(s)
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
74
Figure 12-10. The removed antenna (WiFi version)
Figure 12-11. The removed antenna (WiFi version)
Lenovo YOGA Tab 3 10”
75
1130 Diversity antenna (LTE versions only)
For access, remove the following FRU:
• “1010 Rear cover” on page 35
and
Detach the following FPCs, wire connections and FRUs:
• Battery FPC (see Step 1 on page 43 to Step 3 on page 44 in “1050 Left
speaker”)
1. Disconnect the diversity antenna cable from its connector on the main board
at the position shown in the figure below.
Figure 13-1. Positions for disconnecting the antennas
2. Detach the antenna cable.
Figure 13-2. Detaching the antenna cable
Lenovo YOGA Tab 3 10” Hardware Maintenance Manual
76
3. Remove screws on the diversity antenna as shown in the figure below.
Figure 13-3. The screw on the antenna
4. Remove the diversity antenna.
Figure 13-4. Removing the
antenna
Part No. Screw (quantity) Color Torque
M1.4 Ă— 2.0 (2) Black N/A
a
a
Lenovo YOGA Tab 3 10”
77
Figure 13-5. The removed
antenna

Product specificaties

Merk: Lenovo
Categorie: Smartphone
Model: YOGA Tab 3

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