Table Of Contents - JVC GR-DVL355EG 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 # MONITOR ASSEMBLY ..................................................... 1-8
1.4.1 Disassembly/assembly of monitor assembly
(for 2.5"-type LCD) .......................................................... 1-8
1.4.2 Disassembly/assembly of hinge assembly
(for 2.5"-type LCD) .......................................................... 1-8
1.4.3 Disassembly/assembly of monitor assembly
(for 3.5"-type LCD) .......................................................... 1-9
1.4.4 Disassembly/assembly of hinge assembly
(for 3.5"-type LCD) .......................................................... 1-9
1.5 ! E. VF ASSEMBLY ........................................................... 1-10
1.5.1 Disassembly/assembly of E. VF assembly
(for B/W VF) .................................................................. 1-10
1.5.2 Disassembly/assembly of E. VF assembly
(for Color VF) ................................................................. 1-11
1.6 DISASSEMBLY/ASSEMBLY OF OP BLOCK
ASSEMBLY/CCD BOARD ASSEMBLY .............................. 1-12
1.6.1 Precautions ................................................................... 1-12
1.6.2 How to remove CCD board assembly and CCD base
assembly ...................................................................... 1-12
1.6.3 How to assemble CCD base assembly and CCD board
assembly ...................................................................... 1-12
1.6.4 Replacement of Service Repair Parts .......................... 1-12
1.7 EMERGENCY DISPLAY ..................................................... 1-13
1.8 SERVICE NOTE ................................................................. 1-14
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 Disassembly/assembly of mechanism assembly .................. 2-5
2.4.1 Follow chart .................................................................... 2-5
2.4.2 Disassembly/assembly ................................................... 2-8
2.4.3 List of procedures for disassembly ............................... 2-14
2.5 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE 2-15
2.6 MECHANISM ADJUSTMENTS ........................................... 2-16
2.6.1 Assembling slide deck assembly and main deck assembly . 2-16
2.6.2 Locating tension pole .................................................... 2-17
2.7 SERVICE NOTE ................................................................. 2-18
2.8 JIG CONNECTOR CABLE CONNECTION ........................ 2-20
3. ELECTRICAL ADJUSTMENT
3.1 PRECAUTION ...................................................................... 3-1
3.2 SETUP .................................................................................. 3-2
The following table lists the differing points between Models GR-DVL355EG/EK,GR-DVL357EG/EK,GR-DVL555EG/EK and
GR-DVL557EG/EK in this series.
GR-DVL355EG GR-DVL355EK
VIEW FINDER B/W
LCD MONITOR 2.5"
AV IN NOT USED
S IN NOT USED
DV IN NOT USED
AC ADAPTER AP-V10EG

TABLE OF CONTENTS

Page
GR-DVL357EG GR-DVL357EK GR-DVL555EG
B/W B/W
2.5" 2.5"
NOT USED NOT USED NOT USED
NOT USED NOT USED NOT USED
NOT USED USED
AP-V10EK AP-V10EG
Section
4. CHARTS AND DIAGRAMS
NOTES OF SCHEMATIC DIAGRAM .......................................... 4-1
CIRCUIT BOARD NOTES ........................................................... 4-2
4.1 BOARD INTERCONNECTIONS ........................................... 4-3
4.2 SYSCON SCHEMATIC DIAGRAM ............................................. 4-5
4.3 PC IF SCHEMATIC DIAGRAM ................................................... 4-7
4.4 VTR CPU SCHEMATIC DIAGRAM ............................................ 4-9
4.5 MDA SCHEMATIC DIAGRAM .................................................. 4-11
4.6 AUDIO SCHEMATIC DIAGRAM ............................................... 4-13
4.7 DV MAIN SCHEMATIC DIAGRAM ........................................... 4-15
4.8 PRE/REC SCHEMATIC DIAGRAM .......................................... 4-17
4.9 V OUT SCHEMATIC DIAGRAM ............................................... 4-19
4.10 ANA IN SCHEMATIC DIAGRAM [GR-DVL557EG] ................ 4-21
4.11 CAM DSP SCHEMATIC DIAGRAM ....................................... 4-23
4.12 OP DRIVE SCHEMATIC DIAGRAM ...................................... 4-25
4.13 TG/VDRV SCHEMATIC DIAGRAM ........................................ 4-27
4.14 REG SCHEMATIC DIAGRAM ................................................ 4-29
4.15 DSC/USB SCHEMATIC DIAGRAM ........................................ 4-31
4.16 MONITOR SCHEMATIC DIAGRAM ....................................... 4-33
4.17 LCD BL SCHEMATIC DIAGRAM ........................................... 4-35
4.18 CCD SCHEMATIC DIAGRAM ................................................ 4-37
4.19 JUNCTION SCHEMATIC DIAGRAM ..................................... 4-38
4.20 JACK SCHEMATIC DIAGRAM .............................................. 4-39
4.21 B/W VF SCHEMATIC DIAGRAM ........................................... 4-40
4.22 ZOOM UNIT SCHEMATIC DIAGRAM ................................... 4-41
4.23 MAIN CIRCUIT BOARD ......................................................... 4-43
4.24 MONITOR CIRCUIT BOARD [GR-DVL355EG/EK,
DVL357EG/EK] ....................................................................... 4-49
4.25 MONITOR CIRCUIT BOARD [GR-DVL555EG/EK,
DVL557EG/EK] ....................................................................... 4-51
4.26 LCD BL CIRCUIT BOARD [GR-DVL355EG/EK,
DVL357EG/EK] ....................................................................... 4-53
4.27 LCD BL CIRCUIT BOARD [GR-DVL555EG/EK,
DVL557EG/EK] ....................................................................... 4-55
4.28 CCD AND JUNCTION CIRCUIT BOARDS ............................ 4-57
4.29 JACK CIRCUIT BOARD ......................................................... 4-59
4.30 VOLTAGE CHARTS ............................................................... 4-61
4.31 POWER SYSTEM BLOCK DIAGRAM ................................... 4-67
4.32 VIDEO SYSTEM BLOCK DIAGRAM ...................................... 4-69
4.33 REGULATOR SYSTEM BLOCK DIAGRAM .......................... 4-73
4.34 AUDIO SYSTEM BLOCK DIAGRAM ..................................... 4-75
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>
[GR-DVL555EG/EK, 557EG] ................................................ 5-8
5.4 ELECTRONIC VIEWFINDER ASSEMBLY <M4>
[GR-DVL355EG/EK, 357EG/EK, 557EK] .............................. 5-9
5.5 MONITOR ASSEMBLY <M5>
[GR-DVL355EG/EK, 357EG/EK] ........................................ 5-10
5.5 MONITOR ASSEMBLY <M5>
[GR-DVL555EG/EK, 557EG/EK] ......................................... 5-11
5.6 ELECTRICAL PARTS LIST ................................................. 5-12
MONITOR BOARD ASSEMBLY <02> ..................................... 5-21
LCD BL BOARD ASSEMBLY <03> ......................................... 5-23
CCD BOARD ASSEMBLY <04> .............................................. 5-23
JUNCTION BOARD ASSEMBLY <05> ................................... 5-23
JACK BOARD ASSEMBLY <06> ............................................ 5-23
GR-DVL555EK GR-DVL557EG GR-DVL557EK
B/W COLOR
2.5" 3.5"
NOT USED NOT USED
NOT USED NOT USED
USED NOT USED NOT USED
AP-V10EK AP-V10EG
Title
COLOR COLOR
3.5" 3.5"
USED NOT USED
USED NOT USED
USED NOT USED
AP-V10EK AP-V10EG AP-V10EK
Page
B/W
3.5"