JVC GC-QX3U, Service Manual

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TABLE OF CONTENTS
Section Title Page Section Title Page
I
mportant Safety Precautions
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 Disconnection of Connectors (Wires) ......................... 1-2
1.2
TOOL AND EQUIPMENTS REQUIRED FOR ADJUSTMENTS . 1-2
1.2.1 Tools required for adjustments ................................... 1-2
1.3
DISASSEMBLY /ASSEMBLY OF CABINET PARTS ......... 1-2
1.3.1 Disassembly flow chart ............................................... 1-2
1.3.2 Disassembly method ( I ) ............................................ 1-3
1.3.3 Disassembly method ( II ) <OP UNIT> ....................... 1-6
1.3.4 OP BLOCK Lens compositison ................................... 1-7
1.4
IC BLOCK DIAGRAM ...................................................... 1-8
1.4.1 IC 1002 (CXD2497R) ................................................... 1-8
1.4.2 IC 2001 (CDS/AGL) ..................................................... 1-9
1.4.3 IC 7302 (CXA3268AR)) .............................................. 1-10
1.4.4 LCD (ACX301AK) ...................................................... 1-11
1.4.5 CCD (ICX262AQ) ....................................................... 1-12
2. ELECTRICAL ADJUSTMENT
2.1 ELECTRICAL ADJUSTMENT .......................................... 2-1
2.1.1 Precautions ................................................................. 2-1
2.1.2 Test instruments required for electrical adjustment ............. 2-1
2.1.3 Required test equiqment ............................................ 2-1
2.1.4 Setup (LCD ADJUSTMENT) ........................................ 2-1
2.1.5 Setup (CCD ADJUSTMENT) ....................................... 2-2
2.2
Setup with patch cords and jig connector cables ............ 2-3
3. CHARTS AND DIAGRAMS
NOTES OF SCHEMATIC DIAGRAM ........................................ 3-1
CIRCUIT BOARD NOTES ......................................................... 3-2
3.1
BOARD INTERCONNECTIONS ....................................... 3-3
3.2 MAIN (SYSCON) SCHEMATIC DIAGRAM ...................... 3-5
3.3 MAIN (DSP96) SCHEMATIC DIAGRAM .......................... 3-7
3.4 MAIN (DSP97) SCHEMATIC DIAGRAM .......................... 3-9
3.5 MAIN (G/A JCY0148) AND
MAIN (SD SUB) SCHEMATIC DIAGRAM ........... 3-11
3.6 MAIN (F/Z MDA) AND
MAIN (IRIS) SCHEMATIC DIAGRAM ................. 3-12
3.7 MAIN (CDS AGC A/D AND ARM ROM)
SCHEMATIC DIAGRAM ..................................... 3-13
3.8 MAIN (STROBE CONTROL AND STROBE FLASH)
SCHEMATIC DIAGRAM ..................................... 3-14
3.9 CCD SCHEMATIC DIAGRAM ........................................ 3-15
3.10 MONI REG (MONITOR) SCHEMATIC DIAGRAM ......... 3-16
3.11 MONITOR REG (DC/DC) SCHEMATIC DIAGRAM ........ 3-17
3.12 JACK (VIDEO OUT/USB/PRINTER/DC JACK) AND
MONITOR BACK LIGHT SCHEMATIC DIAGRAM ..... 3-19
3.13 VOLTAGE CHARTS ........................................................ 3-20
3.14 MAIN CIRCUIT BOARD (YB10282-01-05) ..................... 3-23
3.15 MAIN CIRCUIT BOARD (YB10282-01-06) ..................... 3-29
3.16 MONITOR REG CIRCUIT BOARD (YB10283-01-02) ..... 3-35
3.17 MONITOR REG CIRCUIT BOARD (YB10283-01-04) ..... 3-37
3.18 JACK CIRCUIT BOARD (YB10283-01-02) ..................... 3-39
3.19 JACK CIRCUIT BOARD (YB10283-01-04) ..................... 3-41
3.20 CCD CIRCUIT BOARD (YB10283-01-02) ....................... 3-43
3.21 CCD CIRCUIT BOARD (YB10283-01-04) ....................... 3-44
3.22 STOROBE FLASH CIRCUIT BOARD (YB10283-01-02) ...... 3-45
3.23 STOROBE FLASH CIRCUIT BOARD (YB10283-01-04) ...... 3-46
3.24 OVER ALL BLOCK DIAGRAM ....................................... 3-47
3.25 POWER SUPPLY BLOCK DIAGRAM ............................ 3-49
3.26 OP BLOCK SCHEMATIC DIAGRAM <REFERENCE> .. 3-51
3.27 OPERATION UINT
SCHEMATIC DIAGRAM <REFERENCE> .......... 3-52
4. PARTS LIST
4.1 PACKING AND ACCESSORY ASSEMBLY <M1> ........... 4-1
4.2 OP BLOCK ASSEMBLY <M3> ........................................ 4-2
4.3 FINAL ASSEMBLY <M2> .............................................. 4-3
4.4 ELECTRICAL PARTS LIST ............................................... 4-6
MAlN BOARD ASSEMBLY <01> .................................... 4-6
CCD BOARD ASSEMBLY <02> .................................... 4-11
MONI REG BOARD ASSEMBLY <03> ......................... 4-12
JACK BOARD ASSEMBLY <04> .................................. 4-14
STOROBE FLASH BOARD ASSEMBLY <05> .............. 4-15
5. AC POWER ADAPTER (AA-V37U)
5.1 CABINET ASSEMBLY <MA> .......................................... 5-1
5.2 SCHEMATIC DIAGRAM .................................................. 5-2
5.3 CIRCUIT BOARD ............................................................. 5-4
5.4 ELECTRICAL PARTS LIST ............................................... 5-5
MAIN AND TERMINAL BOARD ASSEMBLY <91> ........ 5-5
Operating Environment
The host computer that runs the Macintosh ®
operating environment must satisfy the following
conditions.
USB Driver
1. USB-compatible computer (iMac™, iBook™,
Power Mac™ G3/G4, Power Book™ G3, etc.)
2. Mac OS 8.5.1/Mac OS 8.6/Mac OS 9.0
JVC Video Decoder
1. Power PC 603e/120MHz or faster
2. Mac OS 7.6.1 or later
3. QuickTime 3.0 or later
4. Minimum RAM requirement: 32MB
5. Minimum hard disk space requirement: 1MB
* Macintosh
®
is a registered trademark of Apple
Computer.
* Other trademarks are property of their
owners.
* If you use Macintosh
®
which does not have a
port, use an optional flash path, conversion
adapter, etc. For details on the operating en
ment of these devices, contact the dealers or
manufacturers.
Operating Environment
The host computer that runs the Windows ®
operating environment must satisfy the following
conditions.
USB Driver
1. Microsoft
® Windows ® 98/Windows ® 98 Second
Edition, pre-installed
2. Available USB port
3. CD-ROM drive
Video Player
1. CPU: Intel
® Pentium ® 200MHz class or higher
2. Microsoft ® Windows ® 95/Windows ® 98
3. Display capability of 65,536 colors or more
4. CD-ROM drive
5. Minimum RAM requirement: 32MB
6. Minimum hard disk space requirement: 1MB
* The system requirements information is not a
guarantee that provided software applications will
work on all personal computers meeting those
requirements.
* Microsoft ® , Windows ® are either registered
trademarks or trademarks of Microsoft corporation
in United States and/or other countries.
* Intel ® , Pentium ® are registered trademarks of Intel
corporation.
* Other trademarks are property of their respective
owners.
* If you use Windows ® 95 or a personal computer
which does not have a USB port, use an optional
flash path, conversion card adapter, etc. For
details on the operating environment of these
devices, contact the dealers or manufacturers.
SOFTWARE SECTION FOR Macintosh
®
SOFTWARE SECTION FOR Windows
®