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JVC GR-D93US Service Manual

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SERVICE MANUAL
2004
2
YF020
GR-D93US,GR-D94US
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY).
1
Precaution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
Specific Service Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
www.dtforum.net
DIGITAL VIDEO CAMERA

TABLE OF CONTENTS

GR-D93US,GR-D94US[M4D1S9]
No.YF020
2004/2

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  • Page 1 SERVICE MANUAL DIGITAL VIDEO CAMERA YF020 2004 GR-D93US,GR-D94US GR-D93US,GR-D94US[M4D1S9] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 1-2 (No.YF020)
  • Page 3 SECTION 1 PRECAUTION 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-D93US and GR-D94US. MODEL GR-D93US GR-D94US MEMORY CARD YES(MMC 8MB) YES(MMC 16MB) BODY COLOR Silver & Dark Blue Silver & Premium Gray (No.YF020)1-5...
  • Page 6 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 Disassembly procedure NOTE15a: STEP Fig. PART NAME POINT NOTE Be careful not to cut the FPC. NOTE15b: ORNAMENT(TOP) Fig.C1 2(L1) For the disassembly/assembly procedure of the MONITOR COVER(JIG) (S2) ASSEMBLY, see "3.2.3 DISASSEMBLY/ASSEMBLY OF COVER(UPPER) 2(S3),2(L3) [15] MONITOR ASSEMBLY"...
  • Page 8 (S3) (S2) (S3) Fig.C1 (S4c) (S4b) (S4b) (S4a) (S4a) (S4b) CN4a CN4b <NOTE4> (S4b) (S4a) Fig.C2 1-8 (No.YF020)
  • Page 9 (S8a) (S8a) <NOTE8> (S8b) (S8b) CN8c (S5) (S5) (S8c) (S8b) CN8a CN8b Fig.C3 Fig.C5 CN7b CN9a CN9b (S9) CN7a <NOTE9> <NOTE6> (S9) (S6) <NOTE7> (S7) Fig.C4 Fig.C6 (No.YF020)1-9...
  • Page 10 (S10) CN10b CN10a (S10) [10] <NOTE10> Fig.C7 [12] <NOTE12> BRACKET(MECHA)ASSY CN11c CN11d CN11d CN11e CN11b CN11f CN11b CN11a SHIELD COVER CN11c [11] (S12) CN11f (S11a) (S12) (S11a) (S11b) (S12) (S11b) CN11e CN11a :0.068N m (0.7kgf :0.078N m (0.8kgf Fig.C8 1-10 (No.YF020)
  • Page 11 (S15b) CN13 (S15b) CN15 <NOTE15a> [13] <NOTE13b> (S15a) (S13b) SHEET [15] <NOTE13a> (S15a) <NOTE15b> (S13a) :0.147N m (1.5kgf Fig.C9 Fig.C11 (S14b) KNOB(SLIDE) [14] <NOTE16c> (S14b) [16] <NOTE16a> SD16 (S14a) (S16a) (S16b) (S16b) <NOTE16b> SHEET Fig.10 Fig.C12 (No.YF020)1-11...
  • Page 12 L17a <NOTE17> [17] BRACKET(SPK) BRACKET(HINGE) (S17a) L17b (S17a) (S17a) (S17a) (S17b) Fig.13 1-12 (No.YF020)
  • Page 13 3.2.3 DISASSEMBLY/ASSEMBLY OF [15] MONITOR ASSEMBLY CAUTION (1) During the procedure, be careful in handling the LCD L15e MONITOR COVER MODULE,etc., especially not to damage or soil the mon- ASSEMBLY itor screen. If it is soiled with fingerprints, etc., gently (S15a) clean it with chamois or the cleaning cloth.
  • Page 14 3.2.4 ASSEMBLY/DISASSEMBLY OF [9] OP BLOCK ASSMBLY/CCD BOARD ASSEMBLY CAUTIONS Assembly procedure of OP BLOCK ASSEMBLY/CCD (1) During the procedure, be careful in handling the CCD IM- BOARD ASSEMBLY AGE SENSOR, the OP LPF, and the LENS etc., espe- (1) Attach the OP LPF, the SHEET, and the SPACER to the cially not to damage or soil their surface.
  • Page 15 3.2.5 DISASSEMBLY/ASSEMBLY OF [13] VF ASSEMBLY (5) Remove the 4 screws (8-11), and remove the BOTTOM • When replacing the VF FPC ASSEMBLY, first remove the ex- CASE(VF) so that the BOTTOM CASE(VF) is facing up- terior parts of the VF ASSEMBLY (UPPER CASE(VF) and ward.
  • Page 16 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 17 • Guide driver (Hexagonal) JIG CONNECTOR CABLE CONNECTION To be used to turn the guide roller to adjustment of the linarity NOTE: of playback envelope. In the case of jig connector cable use, since you cannot per- • INF adjustment lens form supply from DC jack, use a battery terminal.
  • Page 18 Jig connector diagrams MECHANISM COMPATIBILITY ADJUSTMENT 4.3.1 Tape pattern adjustment JIG CONNECTOR CABLE (YTU93082C) NOTE: Prior to the adjustment, remove the cover (ADJUST). MAIN CN105 JIG BOARD ASSY (14PIN) (1) Play back the compatibility adjustment tape. AL_3VSYS (2) While triggering the HID1, observe the waveform of RESET RESET ENV_OUT.

  • Page 19: Troubleshooting

    SECTION 5 TROUBLESHOOTING SERVICE NOTE (No.YF020)1-19...
  • Page 20 TAKE OUT CASSETTE TAPE (1) Remove the Power Unit (battery or DC code) from the set. (DC3V) (2) Remove 1 screw, and remove a plate (ADJ). CASSETTE COVER NOTE: For more efficient operation, loosen and move the grip belt prior to the procedure (2). (3) Open the CASSETTE COVER till it is completely opened and fixed.
  • Page 21 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 22 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.YF020) Printed in Japan...

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Gr-d94us

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