Table Of Contents - JVC GR-DV3000A Service Manual

Section Title
Important Safety Precautions
INSTRUCTIONS
1. DISASSEMBLY
1.1 BEFORE ASSEMBLY AND DISASSEMBLY ......................... 1-1
1.1.1 Precautions ..................................................................... 1-1
1.1.2 Assembly and disassembly ............................................ 1-1
1.1.3 Destination of connectors ............................................... 1-1
1.1.4 Disconnection of Connectors (Wires) ............................. 1-1
1.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY,
ASSEMBLY AND ADJUSTMENT ......................................... 1-2
1.2.1 Tools required for adjustments ........................................ 1-2
1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS AND
BOARD ASSEMBLY ............................................................. 1-2
1.3.1 Disassembly flow chart ................................................... 1-2
1.3.2 Disassembly method ...................................................... 1-3
1.4 DISASSEMBLY OF THE 4 OP BLOCK AND
CCD BOARD ASSEMBLIES ................................................. 1-8
1.4.1 Precautions ..................................................................... 1-8
1.4.2 How to remove ................................................................ 1-8
1.4.3 How to install .................................................................. 1-8
1.4.4 Replacement of Service Repair Parts ............................ 1-8
1.5 7 E.VF(COLOR) ................................................................... 1-9
1.5.1 Disassembly/Assembly of the 7 E.VF(COLOR) ............. 1-9
1.6 DISASSEMBLY/ASSEMBLY OF THE @ MONITOR ASSEMBLY 1-10
1.6.1 @ Monitor Assembly and Hinge Assembly ................... 1-10
1.7 MANUAL EJECTION OF THE CASSETTE TAPE ............... 1-11
1.8 EMERGENCY DISPLAY ..................................................... 1-12
1.9 SERVICE NOTE .................................................................. 1-13
2. MECHANISM ADJUSTMENT
2.1 PRELIMINARY REMARKS ON ADJUSTMENT AND REPAIR .. 2-1
2.1.1 Precautions ..................................................................... 2-1
2.1.2 Notes on procedure for disassemby/assembly ............... 2-1
2.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY,
ASSEMBLY AND ADJUSTMENT ......................................... 2-2
2.2.1 Tools required for adjustments ........................................ 2-2
2.3 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY 2-3
2.3.1 General statement .......................................................... 2-3
2.3.2 Explanation of mechanism mode ................................... 2-3
2.3.3 Mechanism timing chart .................................................. 2-4
2.4 DISASSEMBLING PROCEDURE TABLE ............................. 2-5
2.4.1 Disassembly/assembly ................................................... 2-7
2.4.2 List of procedures for disassembly ............................... 2-13
2.5 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE .. 2-14
2.6 MECHANISM ADJUSTMENTS .......................................... 2-15
2.6.1 Adjustment of the slide guide plate ............................... 2-15
2.6.2 Adjustment of the Tension Arm and Pad Arm Assemblies 2-16
2.6.3 Adjustment of the Slide Lever 2 .................................... 2-16
2.7 SERVICE NOTE .................................................................. 2-17
2.8 JIG CONNECTOR CABLE CONNECTION ........................ 2-19
2.8.1 Tape pattern check ....................................................... 2-20
3. ELECTRICAL ADJUSTMENT
3.1 PRECAUTION ....................................................................... 3-1
3.2 SETUP .................................................................................. 3-2
3.3 MONITOR ADJUSTMENT .................................................... 3-3
3.3.1 PLL (MONI) .................................................................... 3-3
3.4 ELECTRONIC VIEWFINDER (E.VF) ADJUSTMENT ........... 3-3
3.4.1 PLL (VF) ......................................................................... 3-3
The following table lists the differing points between Models GR-DV3000EG, GR-DV3000EK, GR-DV3000EA, GR-DV3000A,
GR-DV3000SH and GR-DV3000ED in this serise.
AC ADAPTER CHARGER
PERI-RCA ADAPTER
CONVERSION PLUG

TABLE OF CONTENTS

Page
GR-DV3000EG GR-DV3000EK
AA-V40EG AA-V40EK
USED USED
NOT USED NOT USED
Section
4. CHARTS AND DIAGRAMS
NOTES OF SCHEMATIC DIAGRAM .......................................... 4-1
CIRCUIT BOARD NOTES ........................................................... 4-2
4.1 BOARD INTERCONNECTIONS ........................................... 4-3
4.2 MAIN IF SCHEMATIC DIAGRAM ............................................... 4-5
4.3 SYSCON-CPU SCHEMATIC DIAGRAM .................................... 4-7
4.4 MSD-CPU SCHEMATIC DIAGRAM ............................................ 4-9
4.5 AUDIO AD/DA SCHEMATIC DIAGRAM ................................... 4-11
4.6 MAIN AUDIO SCHEMATIC DIAGRAM ..................................... 4-13
4.7 DVMAIN SCHEMATIC DIAGRAM ............................................ 4-15
4.8 VIDEO I/O SCHEMATIC DIAGRAM ......................................... 4-17
4.9 CDS/AD SCHEMATIC DIAGRAM ............................................. 4-19
4.10 DSP SCHEMATIC DIAGRAM ................................................ 4-21
4.11 OP DRIVE SCHEMATIC DIAGRAM ...................................... 4-23
4.12 TG/VDR SCHEMATIC DIAGRAM .......................................... 4-25
4.13 DSC SCHEMATIC DIAGRAM ................................................ 4-27
4.14 DSC IF AND SD SCHEMATIC DIAGRAMS ........................... 4-29
4.15 USB SCHEMATIC DIAGRAM ................................................ 4-31
4.16 MDA SCHEMATIC DIAGRAM ................................................ 4-33
4.17 PRE/REC SCHEMATIC DIAGRAM ........................................ 4-35
4.18 JUNCTION SCHEMATIC DIAGRAM ..................................... 4-37
4.19 REG SCHEMATIC DIAGRAM ................................................ 4-39
4.20 MONITOR SCHEMATIC DIAGRAM ....................................... 4-41
4.21 JACK SCHEMATIC DIAGRAM .............................................. 4-43
4.22 EJECT, DECK OPE. AND CCD SCHEMATIC DIAGRAMS .. 4-45
4.23 FE SW, FRONT, ZOOM UNIT, POWER OPE. UNIT, FOCUS UNIT
AND SW FPC UNIT SCHEMATIC DIAGRAMS ................................ 4-47
4.24 VF BL SCHEMATIC DIAGRAM .............................................. 4-49
4.25 MAIN CIRCUIT BOARD [GR-DV3000EG] ............................. 4-51
4.26 MAIN CIRCUIT BOARD [GR-DV3000EK/A/EA/ED/SH] ......... 4-57
4.27 DSC CIRCUIT BOARD ........................................................... 4-63
4.28 PRE/MDA CIRCUIT BOARD .................................................. 4-65
4.29 JUNCTION AND JACK CIRCUIT BOARDS ........................... 4-67
4.30 REG CIRCUIT BOARD [GR-DV3000EG] ............................... 4-69
4.31 REG CIRCUIT BOARD [GR-DV3000EK/A/EA/ED/SH] .......... 4-71
4.32 MONITOR CIRCUIT BOARD ................................................. 4-73
4.33 EJECT AND DECK OPE. CIRCUIT BOARDS ....................... 4-75
4.34 CCD CIRCUIT BOARD .......................................................... 4-77
4.35 FE SW AND FRONT CIRCUIT BOARDS .............................. 4-78
4.36 VF BL CIRCUIT BOARD ........................................................ 4-79
4.37 VOLTAGE CHARTS ............................................................... 4-80
4.38 POWER SYSTEM BLOCK DIAGRAM ................................... 4-85
4.39 VIDEO SYSTEM BLOCK DIAGRAM ...................................... 4-87
4.40 REGULATOR SYSTEM BLOCK DIAGRAM .......................... 4-91
5. PARTS LIST
5.1 PACKING AND ACCESSORY ASSEMBLY <M1> ............... 5-1
5.2 FINAL ASSEMBLY <M2> ..................................................... 5-3
5.3 MECHANISM ASSEMBLY <M3> ......................................... 5-6
5.4 ELECTRONIC VIEWFINDER ASSEMBLY <M4> ................ 5-8
5.5 MONITOR ASSEMBLY <M5> .............................................. 5-9
5.6 ELECTRICAL PARTS LIST ................................................. 5-10
MAIN BOARD ASSEMBLY <01> ............................................. 5-10
DSC BOARD ASSEMBLY <02> .............................................. 5-17
PRE/MDA BOARD ASSEMBLY <03> ..................................... 5-18
JUNCTION BOARD ASSEMBLY <04> ................................... 5-19
REG BOARD ASSEMBLY <05> .............................................. 5-19
MONITOR BOARD ASSEMBLY <06> ..................................... 5-20
JACK BOARD ASSEMBLY <07> ............................................. 5-22
EJECT BOARD ASSEMBLY <08> .......................................... 5-22
DECK OPE. BOARD ASSEMBLY <09> .................................. 5-22
CCD BOARD ASSEMBLY <10> .............................................. 5-23
FE SW BOARD ASSEMBLY <11> .......................................... 5-23
FRONT BOARD ASSEMBLY <12> ......................................... 5-23
VF BL BOARD ASSEMBLY <13> ............................................ 5-23
GR-DV3000EA GR-DV3000A
AA-V40EA AA-V40A
NOT USED NOT USED
NOT USED USED
Title
GR-DV3000SH GR-DV3000ED
AA-V40SH AA-V40ED
NOT USED NOT USED
NOT USED NOT USED
Page