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TABLE OF CONTENTS
Section
Title
Page
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 ..................................................................... 1-3
1.3.1
Disassembly flow chart ........................................................ 1-3
1.3.2
Disassembly method (
I
) ....................................................... 1-4
1.4
DISASSEMBLY OF
4
MONITOR ASSEMBLY ............................ 1-8
1.4.1
4
Monitor assembly/Hinge assembly .................................. 1-8
1.4.2
Hinge assembly ................................................................... 1-8
1.5
DISASSEMBLY
0
E VF ASSEMBLY ........................................... 1-9
1.5.1
0
E. VF assembly ............................................................... 1-9
1.6
DISASSEMBLY OF
7
OP BLOCK ASSEMBLY/CCD
BOARD ASSEMBLY ................................................................... 1-10
1.6.1
Precautions ........................................................................ 1-10
1.6.2
How to remove OP block assembly and CCD board
assembly ............................................................................ 1-10
1.6.3
How to install OP block assembly and CCD board
assembly ............................................................................ 1-10
1.6.4
Replacement of service parts ............................................ 1-10
1.7
HOW TO TAKE OUT CASSETTE TAPE MANUALLY ................ 1-11
1.8
SERVICE NOTE ......................................................................... 1-12
1.9
EMERGENCY DISPLAY ............................................................. 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 disassembly/assembly ................... 2-1
2.2
DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY ........ 2-2
2.2.1
General statement ............................................................... 2-2
2.2.2
Explanation of mechanism mode ......................................... 2-2
2.2.3
Mechanism timing chart ....................................................... 2-3
2.2.4
Disassembly/assembly of mechanism assembly ................. 2-4
2.2.5
Disassembly/assembly ........................................................ 2-7
2.2.6
List of procedures for disassembly .................................... 2-13
2.2.7
Checkup and adjustment of mechanism phase ................. 2-14
2.2.8
Assembling slide deck assembly and main deck
assembly ............................................................................ 2-15
2.2.9
Locating tension pole ......................................................... 2-16
2.3
SERVICE NOTE ......................................................................... 2-17
2.4
JIG CONNECTOR CABLE CONNECTOR ................................. 2-19
3. ELECTRICAL ADJUSTMENT
3.1
PREPARATION ............................................................................ 3-1
3.2
SETUP .......................................................................................... 3-1
3.3
FUSE LOCATION ......................................................................... 3-2
3.3.1
MAIN PWB (FOIL SIDE) ...................................................... 3-2
3.3.2
MAIN PWB (COMPONENT SIDE) ...................................... 3-2
3.3.3
MONITOR PWB (COMPONENT SIDE) ............................... 3-3
4. CHARTS AND DIAGRAMS
NOTES OF SCHEMATIC DIAGRAM ............................................ 4-1
CIRCUIT BOARD NOTES ............................................................ 4-2
4.1
BOARD INTERCONNECTIONS ................................................... 4-3
4.2
CPU SCHEMATIC DIAGRAM ...................................................... 4-5
4.3
MSD CPU SCHEMATIC DIAGRAM ............................................. 4-7
4.4
A/HP SEL SCHEMATIC DIAGRAM .............................................. 4-9
4.5
DVMAIN SCHEMATIC DIAGRAM .............................................. 4-11
4.6
PHY SCHEMATIC DIAGRAM ..................................................... 4-13
4.7
DVEQ/DVANA SCHEMATIC DIAGRAM ..................................... 4-15
4.8
PRE/REC SCHEMATIC DIAGRAM ............................................ 4-17
4.9
VIDEO SCHEMATIC DIAGRAM ................................................. 4-19
4.10 CDS SCHEMATIC DIAGRAM .................................................... 4-21
4.11 DSP SCHEMATIC DIAGRAM ...................................................... 4-23
4.12 TG/VDR SCHEMATIC DIAGRAM .............................................. 4-25
4.13 REG CTL SCHEMATIC DIAGRAM ............................................. 4-27
4.14 REGULATOR SCHEMATIC DIAGRAM ...................................... 4-29
4.15 STROBE SUB SCHEMATIC DIAGRAM ..................................... 4-31
4.16 DSC SCHEMATIC DIAGRAM .................................................... 4-33
4.17 AU DSP SCHEMATIC DIAGRAM .............................................. 4-35
4.18 B/W AND IR/TALLY SCHEMATIC DIAGRAMS .......................... 4-37
4.19 MDA SCHEMATIC DIAGRAMS .................................................. 4-39
4.20 IRIS & AF/ZOOM SCHEMATIC DIAGRAM ................................ 4-41
4.21 CCD SCHEMATIC DIAGRAM .................................................... 4-43
4.22 MONITOR A SCHEMATIC DIAGRAM ........................................ 4-45
4.23 MMC, W/B SENS AND EJECT SCHEMATIC DIAGRAMS ......... 4-47
4.24 STROBE SCHEMATIC DIAGRAM ............................................. 4-49
4.25 AUDIO AD/DA SCHEMATIC DIAGRAM ..................................... 4-51
4.26 MAIN AUDIO SCHEMATIC DIAGRAM ....................................... 4-53
4.27 AU NR SCHEMATIC DIAGRAM ................................................. 4-55
4.28 VF A SCHEMATIC DIAGRAM .................................................... 4-57
4.29 JACK SCHEMATIC DIAGRAM ................................................... 4-59
4.30 CAMERA OPE UNIT, SUB OPE ASSY, ZOOM UNIT
AND DECK OPE UNIT SCHEMATIC DIAGRAMS .................... 4-61
4.31 MAIN CIRCUIT BOARD ............................................................. 4-63
4.32 MDA AND CCD CIRCUIT BOARD ............................................. 4-69
4.33 MONITOR CIRCUIT BOARD ..................................................... 4-71
4.34 MMC AND STROBE CIRCUIT BOARD ...................................... 4-73
4.35 AUDIO VF CIRCUIT BOARD ..................................................... 4-75
4.36 JACK, W/B AND EJECT CIRCUIT BOARD ................................ 4-77
4.37 POWER SYSTEM BLOCK DIAGRAM ....................................... 4-79
4.38 VIDEO SYSTEM BLOCK DIAGRAM .......................................... 4-81
4.39 REGULATOR SYSTEM BLOCK DIAGRAM ............................... 4-83
4.40 VOLTAGE CHARTS .................................................................... 4-85
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
MDA BOARD ASSEMBLY <02> ................................................. 5-20
CCD BOARD ASSEMBLY <03> ................................................ 5-21
MONITOR BOARD ASSEMBLY <04> ........................................ 5-22
MMC BOARD ASSEMBLY <06> ................................................ 5-23
STROBE BOARD ASSEMBLY <07> .......................................... 5-23
AUDIO VF BOARD ASSEMBLY <08> ........................................ 5-24
JACK BOARD ASSEMBLY <09> ................................................ 5-26
W/B BOARD ASSEMBLY <11> ................................................. 5-26
EJECT BOARD ASSEMBLY <12> .............................................. 5-26
6. AC POWER ADAPTER (AA-V51U)
6.1
CABINET ASSEMBLY <MA> ........................................................ 6-1
6.2
SCHEMATIC DIAGRAM ............................................................... 6-2
6.3
CIRCUIT BOARD ......................................................................... 6-4
6.4
ELECTRICAL PARTS LIST .......................................................... 6-5
Section
Title
Page
Содержание GR-DVM90U
Страница 45: ...5 4 3 2 1 A B C D E F G H 4 1 BOARD INTERCONNECTIONS 4 3 4 4 ...
Страница 75: ...5 4 3 2 1 A B C D E F G H 4 37 POWER SYSTEM BLOCK DIAGRAM 4 79 4 80 ...
Страница 76: ...5 4 3 2 1 A B C D E F G H 4 38 VIDEO SYSTEM BLOCK DIAGRAM 4 81 4 82 ...
Страница 77: ...5 4 3 2 1 A B C D E F G H 4 39 REGULATOR SYSTEM BLOCK DIAGRAM 4 83 4 84 ...