Parts List - JVC GR-SXM335U Service Manual

Section Title
Important Safety Precautions
INSTRUCTIONS
1. DISASSEMBLY
1.1 SERVICE CAUTIONS .......................................................... 1-1
1.1.1 Precautions .................................................................. 1-1
1.1.2 How to read the disassembly and assembly ................ 1-1
1.1.3 Connection of the wires ................................................ 1-1
1.2 TOOLS REQUIRED FOR ADJUSTMENTS ......................... 1-2
1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS ............. 1-3
1.3.1 Disassembly flow chart ................................................. 1-3
1.3.2 Disassembly method .................................................... 1-3
1.4 DISASSEMBLY/ASSEMBLY OF CAMERA SECTION
AND DECK SECTION .......................................................... 1-9
1.4.1 Flowchart of disassembly ............................................. 1-9
1.4.2 Disassembly method .................................................... 1-9
1.5 REPLACEMENT OF CCD IMAGE SENSOR ..................... 1-12
1.5.1 Removal of CCD image sensor .................................. 1-12
1.5.2 Installation of new CCD image sensor ....................... 1-12
1.5.3 Replacement of CCD board assy ............................... 1-12
1.6 TAKE OUT CASSETTE TAPE ............................................ 1-13
1.7 EMERGENCY DISPLAY ..................................................... 1-14
1.8 DEMONSTRATION MODE ................................................ 1-14
1.9 SERVICE NOTE ................................................................. 1-16
2. MECHANISM ADJUSTMENT
2.1 SERVICE CAUTIONS ............................................................ 2-1
2.1.1 Precautions .................................................................... 2-1
2.1.2 How to read the disassembly and assembly
(For Mechanism Parts) .................................................. 2-1
2.1.3 Required adjustment tools ............................................. 2-1
2.2 DISASSEMBLY/ASSEMBLY OF MECHANISM PARTS ........ 2-2
2.3 CHECKUP AND ADJUSTMENT OF MECHANISM
PHASE ................................................................................. 2-6
2.4 TAPE TRANSPORT ADJUSTMENT .................................... 2-7
2.4.1 Back tension ................................................................. 2-7
2.4.2 Tape pattern ................................................................. 2-7
2.4.3 A/CTL head height & azimuth ...................................... 2-8
2.4.4 Phase of control head (X value) ................................... 2-9
2.5 REMARKS ............................................................................ 2-9
2.5.1 Cleaning ....................................................................... 2-9
2.5.2 Applying oil and grease ................................................ 2-9
2.5.3 Checkup ....................................................................... 2-9
2.6 JIG CONNECTOR CABLE CONNECTION ........................ 2-10
3. ELECTRICAL ADJUSTMENT
3.1 ELECTRICAL ADJUSTMENT ............................................... 3-1
3.1.1 PREPARATION ............................................................ 3-1
3.2 MONITOR ADJUSTMENT .................................................... 3-3
3.2.1 V COM .......................................................................... 3-3
3.3 ELECTRONIC VIEWFINDER (E. VF) ADJUSTMENT ......... 3-4
3.3.1 Tilt ................................................................................. 3-4
3.3.2 Centering ...................................................................... 3-4
3.3.3 Vertical scanning .......................................................... 3-4
3.3.4 Brightness .................................................................... 3-4
3.3.5 Focus ............................................................................ 3-4
The following table lists the differing points between Models GR-AXM230U/UC, GR-SXM330U/UC and GR-SXM930U/UC in this series.
VIEW FINDER
LCD MONITOR
BODY COLOR
DIGITAL STILL CAMERA
SHUTTER SOUND
SNAP SHOT
NIGHT ALIVE
5SEC REC SW
S-VHS SW
S OUTPUT
PC TERMINAL
RCU UNIT
PC CONNECTION CABLE
CD-ROM
TABLE OF CONTENTS
Page
Section
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 VTR ASP SCHEMATIC DIAGRAM ....................................... 4-7
4.4 MECHA MDA SCHEMATIC DIAGRAM ................................ 4-9
4.5 VTR DSP SCHEMATIC DIAGRAM .................................... 4-11
4.6 DSP SCHEMATIC DIAGRAM ............................................. 4-13
4.7 IRIS & AF/ZOOM SCHEMATIC DIAGRAM ........................ 4-15
4.8 VIDEO OUT SCHEMATIC DIAGRAM ................................ 4-17
4.9 REGULATOR SCHEMATIC DIAGRAM .............................. 4-19
4.10 LCD CTL SCHEMATIC DIAGRAM
(FOR AXM230/SXM330) ................................................... 4-21
4.11 LCD CTL SCHEMATIC DIAGRAM (FOR SXM930) ........... 4-23
4.12 JACK AND CCD SCHEMATIC DIAGRAMS ....................... 4-25
4.13 SPEAKER AND MONITOR SCHEMATIC DIAGRAMS ...... 4-27
4.14 C-VF BL SENSOR SCHEMATIC DIAGRAM ...................... 4-29
4.15 DSC SCHEMATIC DIAGRAM ............................................ 4-31
4.16 TOP OPE UNIT, ZOOM UNIT, REAR UNIT
AND SENSOR SCHEMATIC DIAGRAMS ........................... 4-33
4.17 ELECTRONIC VIEWFINDER SCHEMATIC DIAGRAM ......... 4-35
4.18 MAIN CIRCUIT BOARD ..................................................... 4-37
4.19 CCD AND C-VF BL CIRCUIT BOARDS ............................. 4-43
4.20 MONITOR CIRCUIT BOARD ............................................. 4-45
4.21 DSC CIRCUIT BOARD ....................................................... 4-47
4.22 ELECTRONIC VIEWFINDER CIRCUIT BOARD ............... 4-49
4.23 POWER SYSTEM BLOCK DIAGRAM ............................... 4-51
4.24 CPU/MDA SYSTEM BLOCK DIAGRAM ............................ 4-53
4.25 CAMERA SYSTEM BLOCK DIAGRAM .............................. 4-55
4.26 Y/C SYSTEM BLOCK DIAGRAM ....................................... 4-59
4.27 MONITOR SYSTEM BLOCK DIAGRAM ............................ 4-61
4.28 WAVEFORMS .................................................................... 4-63
4.29 VOLTAGE CHARTS ........................................................... 4-64

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>
(SXM930U/UC) ..................................................................... 5-8
5.4 ELECTRONIC VIEWFINDER ASSEMBLY <M4>
(AXM230U/UC/SXM330U/UC) ............................................. 5-9
5.5 MONITOR ASSEMBLY <M5> ............................................. 5-10
5.6 ELECTRICAL PARTS LIST ................................................ 5-11
MAIN BOARD ASSEMBLY <01> ........................................ 5-11
CCD BOARD ASSEMBLY <02> ......................................... 5-18
C-VF BL BOARD ASSEMBLY <06> E,F ............................ 5-19
MONITOR BOARD ASSEMBLY <07> ................................ 5-19
DSC BOARD ASSEMBLY <08> E,F ................................... 5-19
E. VF BOARD ASSEMBLY <50> ........................................ 5-20
GR-AXM230U
B/W
2.5*
MOLD BLACK
NOT USED
NOT USED
NOT USED
NOT USED
USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
Title
GR-SXM330U
B/W
2.5*
METALLIC GRAY
NOT USED
NOT USED
USED (FULL ONLY) USED (FULL & PIN-UP)
USED
NOT USED
USED
USED
NOT USED
RM-V715U
NOT USED
NOT USED
Page
GR-SXM930U
COLOR
3.0*
SILVER
USED
USED
USED
NOT USED
USED
USED
USED
RM-V715U
PROVIDE
PROVIDE