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SERVICE MANUAL
3
2004
YF042
GR-D230US, GR-D231US
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
DIGITAL VIDEO CAMERA

TABLE OF CONTENTS

COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
GR-D230US, GR-D231US[M4D2S7]
No.YF042
2004/3

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Summary of Contents for JVC GR-D230US

  • Page 1: Table Of Contents

    SERVICE MANUAL DIGITAL VIDEO CAMERA YF042 2004 GR-D230US, GR-D231US GR-D230US, GR-D231US[M4D2S7] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY). TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 1-2 (No.YF042)
  • Page 3: Precautions

    SECTION 1 PRECAUTIONS SAFTY PRECAUTIONS Prior to shipment from the factory, JVC products are strictly emission. Consequently, when servicing these products, inspected to conform with the recognized product safety and replace the cathode ray tubes and other parts with only the electrical codes of the countries in which they are to be specified parts.
  • Page 4 1.1.2 Safety Check after Servicing Examine the area surrounding the repaired location for damage (4) Leakage current test or deterioration. Observe that screws, parts and wires have been Confirm specified or lower leakage current between earth returned to original positions, Afterwards, perform the following ground/power cord plug prongs and externally exposed tests and confirm the specified values in order to verify accessible parts (RF terminals, antenna terminals, video...
  • Page 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS DIFFERENCE LIST The following table indicate main different points between models GR-D230US and GR-D231US. MODEL GR-D230US GR-D231US BODY COLOR Silver & Blue Silver & Silver (No.YF042)1-5...
  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY BEFORE ASSEMBLY AND DISASSEMBLY • 3.1.1 Precautions Torque driver • Be sure to disconnect the power supply unit prior to mounting Be sure to use to fastening the mechanism and exterior parts and soldering of parts. because those parts must strictly be controlled for tightening •...
  • Page 7 3.2.2 ASSEMBLY/DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS(1) Disassembly procedure Destination of connectors CONN. PIN. Fig. STEP CONNECTOR PART POINT NOTE TOP COVER ASSEMBLY Fig.FA1 2(S1a),2(S1b),CN1 MAIN CN109 ZOOM SW(OPE) UPPER CASE ASSEMBLY Fig.FA2 (S2a),(S2b),4(S2c),2(L2a),2(L2b) NOTE2 CN7601 39/20, CN2a MAIN CN112 MONITOR (Inc.
  • Page 8 (S1a) (S1b) (S1a) (S1b) Fig.FA1 NOTE2 CN2b (S2a) CN2a (S2c) (S2b) (S2c) (S2c) (S2c) : 0.088N m (0.9kgf Fig.FA2 1-8 (No.YF042)
  • Page 9 (S4a) (S4b) JACK COVER (AV)ASSEMBLY (S3) CASSETTE (S3) COVER ASSEMBLY (S3) (S4c) (S4c) (S3) : 0.088N m (0.9kgf Fig.FA3 Fig.FA4 NOTE5b (S5) CN5b (S5) (S6) (S6) NOTE5a CN5a Fig.FA5 (No.YF042)1-9...
  • Page 10 NOTE7 NOTE8 SPACER (S8) (S7) (S7) CN7b CN7c (S8) (S7) (S7) CN7a Fig.FA6 (S9a) (S9b) [10] CN10b (S9b) CN10d CN9a CN10c CN9c (S10) (S10) CN10a CN9b : 0.088N m (0.9kgf Fig.FA7 Fig.FA8 1-10 (No.YF042)
  • Page 11 SHIELD COVER(1) (S11) [11] NOTE1a BKT(MECHA) JACK COVER(AV) ASSEMBLY ASSEMBLY (S11) (S1) (S11) NOTE1b (S11) (S1) : 0.088N m (0.9kgf Fig.FA9 Fig.LO1 3.2.3 ASSEMBLY/DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS(2) Disassembly procedure NOTE6: STEP Fig. PART POINT NOTE Prior to removing the SD BOARD ASSEMBLY, remove the SD card.
  • Page 12 (S2) (S2) NOTE3 (S2) NOTE2 (S3) CASSETTE COVER ASSEMBLY (S3) 7 (S3) (S3) : 0.098N m (1.0kgf (S3) Fig.LO2 Fig.LO3 COVER(ADJUST) (S4a) NOTE4a (S4a) (S4b) (S4a) (S4b) 16 (S4b) (S4b) (S4a) (S4a) NOTE4b : 0.098N m (1.0kgf Fig.LO4 1-12 (No.YF042)
  • Page 13 (S5a) (S5a) (S5a) (S5b) : 0.088N m (0.9kgf Fig.LO5 NOTE7 (S6) (S6) NOTE6 (S6) : 0.088N m (0.9kgf Fig.LO6 (No.YF042)1-13...
  • Page 14 3.2.4 DISASSEMBLY of [5] VF ASSEMBLY Disassembly of exterior parts (7) Remove the GUIDE(LENS) part and the HOLDER(LCD) (1) Remove the two screws (1,2). part from the VF CASE(U). (2) Remove the SPACER so that the SWITCH BOARD NOTE5c: ASSEMBLY moves easily. Remove the HOLDER(LCD) part together with the (3) Remove gradually the FPC attached to two places of the GUIDE(LENS) part.
  • Page 15 3.2.5 DISASSEMBLY of [8] OP BLOCK ASSMBLY/CCD BOARD ASSEMBLY CAUTIONS ASSEMBLY. Instead, replace the entire CCD BASE (1) During the procedure, remove the OP BLOCK ASSEMBLY ASSEMBLY. if necessary. When removing the OP BLOCK ASSEMBLY, be careful not to damage the lens. Assembly procedure of OP BLOCK ASSEMBLY/CCD (2) During the procedure, be careful in handling CCD BOARD ASSEMBLY...
  • Page 16 3.2.6 DISASSEMBLY of [12] MONITOR ASSEMBLY Notice <Disassembly of MONITOR ASSEMBLY> (1) First remove the MONITOR ASSEMBLY from the (1) Remove the four screws (12-15), and remove the MON- LOWER ASSEMBLY since the MONITOR ASSEMBLY ITOR COVER ASSEMBLY while removing the three is removed together with the LOWER ASSEMBLY in hooks (L12).
  • Page 17: Adjustment

    SECTION 4 ADJUSTMENT PREPARATION 4.1.3 TOOLS REQUIRED FOR ADJUSTMENT 4.1.1 Precaution Torque Driver Tweezers YTU94088 YTU94088-003 P-895 Camera system and deck system of this model are specially adjusted by using PC. However, if parts such as the following are replaced, an adjustment is required.
  • Page 18 • Guide driver (Hexagonal) JIG CONNECTOR CABLE CONNECTION To be used to turn the guide roller to adjustment of the linarity Connection procedure of playback envelope. • INF adjustment lens To be used for adjustment of the camera system. For the usage of the INF adjustment lens, refer to the Service Bulletin No.
  • Page 19 Jig connector diagrams MECHANISM COMPATIBILITY ADJUSTMENT 4.3.1 Tape pattern adjustment JIG CONNECTOR CABLE NOTE: Prior to the adjustment, remove the COVER (ADJUST). MAIN (1) Play back the compatibility adjustment tape. CN111 (2) While triggering the HID1, observe the waveform of NOTE : ENV_OUT.
  • Page 20: Trouble Shooting

    SECTION 5 TROUBLE SHOOTING SERVICE NOTE 1-20 (No.YF042)
  • Page 21 TAKE OUT CASSETTE TAPE (1) Remove the Power Unit (battery or DC code) from the set. (DC3V) (2) Open the CASSETTE COVER till it is completely opened CASSETTE COVER and fixed. (3) Attach a PVC tape as shown in the figure. NOTE: Be careful of cassette tape damage caused because the CASSETTE HOUSING ASSEMBLY is moved upward at...
  • Page 22 EMERGENCY DISPLAY Example (in case of the error number E01): Whenever some abnormal signal is input to the syscon CPU, an error number (E01, as an example) is displayed on the LCD monitor or (in the electronic view finder).In every error status, UNIT IN REMOVE AND such the message as shown below alter nately appear over and...
  • Page 23 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. www.jvcservice.com(US Only) JVC CANADA INC. Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311 (No.YF042) Printed in Japan...

This manual is also suitable for:

Gr-d231us