JVC GY-DV500U Handleiding

JVC Camcorder GY-DV500U

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SERVICE MANUAL

GY-DV500U/GY-DV500E

DV CAMCORDER

No. 60125

November 1999

100% recycled paper

The photo shows the GY-DV500 DV camcorder with an optional lens and viewfinder.

TABLE OF CONTENTS

Section Title Page Section Title Page

Important Safety Precautions

SECTION 4 CHARTS AND DIAGRAMS

4.1 INDEX TO PAGES OF MAIN BOARDS AND CIRCUIT BOARD

LOCATION ................................................................................ 4-3

4.2 OVERALL WIRING DIAGRAM (1/2) ......................................... 4-4

• OVERALL WIRING DIAGRAM (2/2) ......................................... 4-5

4.3 ISB/ISG/ISR SCHEMATIC DIAGRAM 1 1 1 2 1 3/ / .............. 4-6

4.4 ISB/ISG/ISR CIRCUIT BOARD .................................................. 4-7

4.5 TG(Timing Generator) SCHEMATIC DIAGRAM 1 4 ................. 4-8

4.6 TG CIRCUIT BOARD ................................................................ 4-9

4.7 CAM1(CAMera 1) SCHEMATIC DIAGRAM (1/2) 1 5 ............ 4-10

• CAM1 SCHEMATIC DIAGRAM (2/2) 1 5 ............................... 4-11

4.8 CAM1 CIRCUIT BOARD ......................................................... 4-12

4.9 CAM2(CAMera 2) SCHEMATIC DIAGRAM (1/3) 1 6 ............ 4-14

• CAM2 SCHEMATIC DIAGRAM (2/3) 1 6 ............................... 4-15

• CAM2 SCHEMATIC DIAGRAM (3/3)1 6 ................................ 4-16

4.10 CAM2 CIRCUIT BOARD ........................................................ 4-17

4.11 PS(Power Supply)1,

PS2 SCHEMATIC DIAGRAM (1/2) 1 7/1 8 ......................... 4-19

• PS1, PS2 SCHEMATIC DIAGRAM (2/2) 1 7/1 8................. 4-20

4.12 PS1, PS2 CIRCUIT BOARD ................................................... 4-21

4.13 IF(InterFace), ROM(Read Only Memory)

SCHEMATIC DIAGRAM 2 1 /1 9 ....................................... 4-22

4.14 IF, ROM CIRCUIT BOARD ..................................................... 4-23

4.15 SWRU, JOG SCHEMATIC DIAGRAM 2 2 2 0/................... 4-24

4.16 SWF, SWRM, SWRB, SWPW, MIC, BNC SCHEMATIC DIA-

GRAM 2 3 2 4 2 5 2 6 2 7 2 8///// ................................ 4-25

4.17 SWRU, JOG, SWF, SWRM, SWRB, SWPW, MIC, BNC, FL

CIRCUIT BOARD ................................................................... 4-26

4.18 VIDEO/SYSCON SCHEMATIC DIAGRAM (1/2) 3 1 ............. 4-27

• VIDEO/SYSCON SCHEMATIC DIAGRAM (2/2) 3 1 ............. 4-28

4.19 VIDEO/SYSCON CIRCUIT BOARD ........................................ 4-29

4.20 AUDIO/LCD SCHEMATIC DIAGRAM (1/2) 3 2 .................... 4-30

• AUDIO/LCD SCHEMATIC DIAGRAM (2/2) 3 2 .................... 4-31

4.21 AUDIO/LCD CIRCUIT BOARD .............................................. 4-32

• AUDIO/LCD CIRCUIT BOARD

(FOR SERIAL No. 0732 AND AFTER OF GY-DV500U,⳯⳯⳯⳯ ⳯⳯⳯⳯0840

AND AFTER OF GY-500E) ........................................................................... 4-32-2

4.22 REG(REGulater) SCHEMATIC DIAGRAM 3 3 ..................... 4-34

4.23 REG CIRCUIT BOARD ........................................................... 4-35

4.24 MOTHER SCHEMATIC DIAGRAM 3 4 ............................... 4-36

4.25 MOTHER, AU JUNK CIRCUIT BOARD ................................. 4-37

4.26 AU JUNK SCHEMATIC DIAGRAM

3 9 ............................... 4-38

4.27

PWR JUNC, OPE(OPEration) SCHEMATIC DIAGRAM

4 1 3 5/..... 4-39

4.28 CONNECT, REMOTE, XLR, EAR.J, SEN1, SENS2 SCHEMATIC

DIAGRAM 4 2 3 8 4 0 4 3 3 6 3 7///// .......................... 4-40

4.29 OPE, PWR JUNC, CONNECT, REMOTE, XLR, EAR.J, SEN1,

SENS2 CIRCUIT BOARD....................................................... 4-41

4.30 VTR UNIT OVERALL WIRING DIAGRAM ............................. 4-42

4.31 DV MAIN SCHEMATIC DIAGRAM (1/7) 1 0 ........................ 4-43

• DV MAIN SCHEMATIC DIAGRAM (2/7) 1 0 ........................ 4-44

• DV MAIN SCHEMATIC DIAGRAM (3/7) 1 0 ........................ 4-45

• DV MAIN SCHEMATIC DIAGRAM (4/7) 1 0 ........................ 4-46

• DV MAIN SCHEMATIC DIAGRAM (5/7) 1 0 ........................ 4-47

• DV MAIN SCHEMATIC DIAGRAM (6/7) 1 0 ........................ 4-48

• DV MAIN SCHEMATIC DIAGRAM (7/7) 1 0 ........................ 4-49

4.32 DV MAIN CIRCUIT BOARD ................................................... 4-50

• DV MAIN CIRCUIT BOARD (FOR SERIAL No.⳯⳯⳯⳯0332

AND AFTER OF GY-DV500U, 0545 AND AFTER OF GY-⳯⳯⳯⳯

DV500E) ............................................................................ 4-50-2

4.33 PR & MDA SCHEMATIC DIAGRAM (1/2) 0 1 ...................... 4-52

• PR(Pre Rec) & MDA(Motor Drive Amp.) SCHEMATIC DIAGRAM

(2/2) 0 1 ............................................................................... 4-53

INSTRUCTIONS

SECTION 1 SERVICE CAUTIONS AND DISASSEMBLY

1.1

RESETTING THE POWER CIRCUIT PROTECTION BREAKER ...........

1-1

1.2 REMOVING THE EXTERIOR COVERS ..................................... 1-1

1.3 LAYOUTS OF THE MAJOR BOARDS ..................................... 1-2

1.4 REMOVING THE OPTICAL BLOCK ASSEMBLY AND THE

OPTICAL FILTER ASSEMBLY .................................................. 1-3

1.5 REMOVING MAJOR BOARDS FROM THE CAMERA ............. 1-4

1.6 REMOVING THE MAJOR BOARDS FROM THE VCR ............. 1-6

1.7 DISASSEMBLY OF THE VCR UNIT .......................................... 1-8

1.8 TAPE EJECTION IN CASE OF EMERGENCY ......................... 1-10

1.9 CAUTION FOR REPLACING THE DV MAIN BOARD AND VIDEO

SYSCON BOARD ................................................................... 1-12

1.10 FUNCTIONS OF INTERNAL SWITCHES ............................... 1-13

1.11 MODES REQUIRED IN SERVICING...................................... 1-14

1.12 CHANGING THE COLOR MATRIX SETTING ........................ 1-16

1.13 SERVICE MENU .................................................................... 1-18

1.14 ALARM DETECTION METHODS .......................................... 1-22

1.15 BATTERY POWER DETECTION METHODS ......................... 1-23

1.16 WARNING CODES ................................................................ 1-23

1.17 ANALYSIS OF BLOCK NOISE (SYMPTOMS: POOR VIDEO,

ABSCNCE OF AUDIO) .......................................................... 1-26

SECTION 2 MECHANISM ADJUSTMENTS

2.1 BERORE ADJUSTMENTS ........................................................ 2-1

2.2 BASICS OF MECHANISM DISASSAMBLY/ASSEMBLY .......... 2-2

2.3 MECHANISM TIMIN CHART ................................................... 2-4

2.4 MAINTENANCE AND INSPECTION OF MAJOR PARTS.......... 2-5

2.5 PERIODICAL MAINTENANCE .................................................. 2-8

2.6 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY ..... 2-9

2.7 REPLACEMENT OF MAJOR PARTS ...................................... 2-12

2.8

CONFIRMATION AND ADJUSTMENT OF MECHANISM PHASES ........

-27

2.9 MECHANISM DISASSEMBLY/ASSEMBLY SHEET ................ 2-28

2.10 DISASSEMBLY PROCEDURE LIST ....................................... 2-30

2.11 TORQUE ADJUSTMENTS .................................................... 2-31

2.12 COMPATIBILITY ADJUSTMENT ........................................... 2-32

SECTION 3 ELECTRICAL ADJUSTMENTS

3.1 FLOWCHART OF ELECTRICAL ADJUSTMENTS .................... 3-1

3.2 FUNCTIONS REQUIRED FOR ADJUSTMENTS, SETUP .......... 3-2

3.3 STANDARD SETUP .................................................................. 3-3

3.4 ADJUSTMENT MENU .............................................................. 3-3

3.5 CAMERA ADJUSTMENTS ....................................................... 3-5

3.6 VCR ADJUSTMENTS ............................................................. 3-11

3.7 DV ADJUSTMENTS (USING ADJUSTMENT SOFTWARE) .... 3-14

SECTION 7 PACKING

7.1 PACKING ASSEMBLY M 7 ....................................................... 7-1

7.2 FACTORY SETTING OF SWITCH AND VR ............................... 7-2

SECTION 8 DESCRIPTION OF NEW CIRCUITRY

8.1 OUTLINE OF DV ....................................................................... 8-1

8.2 MAJOR SIGNAL PROCESSING OPERATIONS OF DV ............ 8-6

8.3 VIDEO/AUDIO SIGNAL PROCESSING IN RECORDING

CIRCUITRY ............................................................................... 8-7

8.4

VIDEO/AUDIO SIGNAL PROCESSING IN PLAYBACK CIRCUITRY ..

8-18

8.5 CAPSTAN SERVO ................................................................... 8-20

8.6 DRUM SERVO ........................................................................ 8-22

SECTION 9 CIRCUIT DESCRIPTION

9.1 CAMERA HEAD CIRCUITRY .................................................... 9-1

9.2 DVC CIRCUIT ........................................................................... 9-4

9.3 MECHANISM OPERATION DESCRIPTION ............................ 9-20

9.4 EXPLANATION OF NEW FUNCTIONS ................................... 9-26

SECTION 5 EXPLODED VIEW AND PARTS LIST

5.1 CAMERA HEAD ASSEMBLY M 1 ............................................ 5-3

5.2 CABINET ASSEMBLY M 2 ....................................................... 5-4

5.3 RIGHT SIDE COVER ASSEMBLY M 3 ...................................... 5-7

5.4 CHASSIS ASSEMBLY M 4 ....................................................... 5-8

5.5 VTR UNIT ASSEMBLY M 5 .................................................... 5-11

5.6 MECHANISM ASSEMBLY M 6 .............................................. 5-12

SECTION 6 ELECTRICAL PARTS LIST

6.1 PR & MDA BOARD ASSEMBLY PARTS LIST 0 1 ................... 6-2

6.2 DCDC BOARD ASSEMBLY PARTS LIST 0 2 .......................... 6-3

6.3 ROM BOARD ASSEMBLY PARTS LIST 0 3 ............................ 6-4

6.4 CONN. BOARD ASSEMBLY PARTS LIST 0 4 ......................... 6-4

6.5 DV MAIN BOARD ASSEMBLY PARTS LIST 1 0 ..................... 6-5

6.6 ISB BOARD ASSEMBLY PARTS LIST 1 1 ............................ 6-11

6.7 ISG BOARD ASSEMBLY PARTS LIST 1 2 ............................. 6-11

6.8 ISR BOARD ASSEMBLY PARTS LISTT 1 3 ........................... 6-12

6.9 TG BOARD ASSEMBLY PARTS LISTT 1 4 ........................... 6-12

6.10 CAM1 BOARD ASSEMBLY PARTS LIST

1 5 ....................... 6-13

6.11 CAM2 BOARD ASSEMBLY PARTS LIST

1 6 ....................... 6-17

6.12 PS1 BOARD ASSEMBLY PARTS LIST

1 7 ........................... 6-21

6.13 PS2 BOARD ASSEMBLY PARTS LIST

1 8 ........................... 6-21

6.14 ROM BOARD ASSEMBLY PARTS LIST 1 9 ......................... 6-22

6.15 JOG BOARD ASSEMBLY PARTS LIST 2 0 .......................... 6-22

6.16 IF BOARD ASSEMBLY PARTS LIST 2 1 .............................. 6-23

6.17 SWRU BOARD ASSEMBLY PARTS LIST 2 2 ...................... 6-23

6.18 SWF BOARD ASSEMBLY PARTS LIST 2 3 ......................... 6-24

6.19 SWRM BOARD ASSEMBLY PARTS LIST 2 4...................... 6-24

6.20 SWRB BOARD ASSEMBLY PARTS LIST 2 5 ....................... 6-24

6.21 SWPW BOARD ASSEMBLY PARTS LIST 2 6...................... 6-24

6.22 MIC BOARD ASSEMBLY PARTS LIST 2 7 .......................... 6-25

6.23 BNC BOARD ASSEMBLY PARTS LIST 2 8 .......................... 6-25

6.24 VIDEO/SYSCON BOARD ASSEMBLY PARTS LIST 3 1 ....... 6-25

6.25 AUDIO/LCD BOARD ASSEMBLY PARTS LIST 3 2 .............. 6-28

6.26 REG BOARD ASSEMBLY PARTS LIST

3 3 .......................... 6-31

6.27 MOTHER BOARD ASSEMBLY PARTS LIST 3 4.................. 6-33

6.28 OPE BOARD ASSEMBLY PARTS LIST

3 5 .......................... 6-33

6.29 SEN1 BOARD ASSEMBLY PARTS LIST

3 6 ........................ 6-33

6.30 SENS2 BOARD ASSEMBLY PARTS LIST

3 7 ...................... 6-33

6.31 REMOTE BOARD ASSEMBLY PARTS LIST

3 8 .................. 6-33

6.32 AU JUNK BOARD ASSEMBLY PARTS LIST

3 9 .................. 6-34

6.33 XLR BOARD ASSEMBLY PARTS LIST

4 0 ........................... 6-35

6.34 PWR JUNC BOARD ASSEMBLY PARTS LIST 4 1 ............... 6-35

6.35 CONNECT BOARD ASSEMBLY PARTS LIST 4 2 ................ 6-35

6.36 EAR.J BOARD ASSEMBLY PARTS LIST 4 3 ....................... 6-35

4.34 PR & MDA CIRCUIT BOARD ................................................ 4-54

4.35 ROM, CONN. SCHEMATIC DIAGRAM 0 3 0 4/................. 4-55

4.36 DCDC SCHEMATIC DIAGRAM 0 2 ..................................... 4-56

4.37 DCDC, ROM, CONN. CIRCUIT BOARD ................................ 4-57

4.38 IS &TG BLOCK DIAGRAM (G channel) ................................. 4-58

4.39 CAM1 BOARD BLOCK DIAGRAM ........................................ 4-59

4.40 CAM2 BOARD BLOCK DIAGRAM ........................................ 4-60

4.41 IF, SWF, SWRU BLOCK DAIGRAM ....................................... 4-61

4.42 SYSCON BLOCK DIAGRAM ................................................. 4-62

4.43 LCD BLOCK DIAGRAM ......................................................... 4-63

4.44 VIDEO BLOCK DIAGRAM ..................................................... 4-64

4.45 REG BLOCK DIAGRAM ........................................................ 4-64

4.46 AUDIO BLOCK DIAGRAM .................................................... 4-65

4.47 DV BLOCK DIAGRAM 1/2 ..................................................... 4-66

• DV BLOCK DIAGRAM 2/2 ..................................................... 4-67

4.48 IC BLOCK DIAGRAM ........................................................... 4-68

Product specificaties

Merk:	JVC
Categorie:	Camcorder
Model:	GY-DV500U

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