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JVC GZ-MG21USM Service Manual
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JVC GZ-MG21USM Service Manual

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SERVICE MANUAL
3
2006
YF132
GZ-MG21US, GZ-MG31US
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
HARD DISK CAMCORDER

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
GZ-MG21USM [M6E324],
GZ-MG31USM [M6E326]
No.YF132
2006/3

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Summary of Contents for JVC GZ-MG21USM

  • Page 1: Table Of Contents

    HARD DISK CAMCORDER YF132 2006 GZ-MG21US, GZ-MG31US GZ-MG21USM [M6E324], GZ-MG31USM [M6E326] Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTIONS ............... 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Camcorder For General Power supply DC 11.0 V (Using AC Adapter) DC 7.2 V (Using battery pack) Power consumption Approx. 3.9 (4.1)* W * When using the LED light Approx. 6.5 W (Maximum; when charging a battery) Dimensions (W × H × D) 68 mm ×...

  • 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 GZ-MG21US and GZ-MG31US. MODEL NAME GZ-MG21US GZ-MG31US BODY COLOR SILVER GRAY HDD(BUILT-IN) 20GB 30GB (No.YF132)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY BEFORE ASSEMBLY AND DISASSEMBLY 3.1.1 Precautions 3.1.4 Tools required for disassembly and assembly • Be sure to disconnect the power supply unit prior to mounting Torque driver Tweezers and soldering of parts. YTU94088 YTU94088-003 P-895 • Prior to removing a component part that needs to disconnect its connector(s) and its screw(s), first disconnect the wire(s) from the connector(s), and then remove the screw(s).
  • Page 7 3.2.2 ASSEMBLY/DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS Disassembly procedure NOTE12b: STEP Fig. PART NAME POINT NOTE Refer to 3.2.3 ASSEMBLY/DISASSEMBLY OF [12] MONI- TOR ASSEMBLY for the disassembly of the MONITOR AS- BOTTOM COVER ASSY 3(S1),3(L1) GRIP BELT,2(S2), HDD COVER ASSY NOTE2a,b,c,d NOTE13a: JACK COVER(DC),L2a,b,c,d...
  • Page 8 NOTE3b MARK (S1) (S1) (S1) NOTE3a Fig.CA1 Fig.FA2 (S4a) (S4a) (S4b) NOTE2c (S2) (S4b) NOTE2b JACK COVER(DC) NOTE2a GRIP BELT (S2) (S4a) NOTE2d Fig.FA1 Fig.FA3 1-8 (No.YF132)
  • Page 9 JACK COVER (REAR) (S8) (S8) NOTE6 SHIELD (S5) (ZOOM) NOTE5 (S6) (S6) <NOTE6> Fig.FA4 Fig.FA6 REAR UNIT CN7b (S9a) NOTE7 (S9a) JACK COVER CN7a (REAR) (S7) (S7) (S7) (S9b) (S7) Fig.FA5 Fig.FA7 (No.YF132)1-9...
  • Page 10 CN12 (S12a) NOTE12a BKT(MIC) NOTE12b (S10) [12] [10] (S10) (S12b) WIRE (S12b) NOTE10 : 0.245N m(2.5kgf cm) Fig.FA8 Fig.UA1 INTERRUPTER (S13) L11a SHIELD(FRAME) (S13) (S13) (S13) (S11) [13] (S11) CN13 (S11) L11b CN11 NOTE13a (S11) NOTE13b (S11) NOTE13a [11] (S11) Fig.FA9 Fig.UA2 1-10 (No.YF132)
  • Page 11 (S17) CN17b [14] (S17) [15] [17] CN17a (S15) (S15) NOTE17 (S14) (S14) CN17b CN17a Fig.UA3 Fig.FA10 BKT(UPPER) (S18) (S18) (S18) [16] (S16) L16b L16a (S16) (S16) NOTE16 FRAME ASSY (S16) [18] NOTE18 WIRE : 0.118N m(1.2kgf cm) Fig.UA4 Fig.FA11 (No.YF132)1-11...
  • Page 12 3.2.3 ASSEMBLY/DISASSEMBLY OF [12] MONITOR ASSEMBLY CAUTIONS (1) Remove the MONITOR ASSEMBLY from the UPPER (5) Remove the two screws (4,5), and Remove the MONI- ASSEMBLY first, as they are removed together in main BL BOARD ASSEMBLY by removing the hook (L12h). parts disassembly, and then proceed to the disassembly (6) Remove the BACK LIGHT.
  • Page 13 3.2.4 ASSEMBLY/DISASSEMBLY OF [18] OP BLOCK ASSEMBLY/CCD BOARD ASSEMBLY Precautions Assembly of OP BLOCK ASSEMBLY / CCD BOARD AS- (1) Take care in handling the CCD IMAGE SENSOR, OPTICAL SEMBLY LPF and lens components when performing maintenance (1) Set the OPTICAL LPF first, and then the SHEET to the etc., especially with regard to surface contamination, at- OP BLOCK ASSEMBLY.

  • Page 14: 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 15 • INF adjustment lens holder JIG CONNECTOR CABLE CONNECTION To be used together with the Camera stand for operating the Connection procedure Videocamera in the stripped-down condition such as the sta- NOTE tus without the exterior parts or for using commodities that are Be sure to turn the power “OFF”, when connecting the JIG not yet conformable to the interchangeable ring.
  • Page 16 Jig connector diagrams JIG CONNECTOR CABLE (YTU93106A) JIG CONN. BOARD MAIN CN110 (PIN NO.) ARMTDO ARMTDO ARMTCK ARMTMS ARMTMS XARMTRST ARMTDI REG_3.1V XARMTRST NU_TX XJRESET SJIG_TX REG_3.1V MODO NU_RX NU_TX MON_B AL_3.1V MON_R SJIG_TX MON_G SJIG_RX VDCVF MODO SJIG_RST ZGH_THRU SBT5 ARMTCK MON_B...

  • Page 17: Trouble Shooting

    SECTION 5 TROUBLE SHOOTING SERVICE NOTE (No.YF132)1-17...
  • Page 18 Victor Company of Japan, Limited Camcorder Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF132) Printed in Japan...

This manual is also suitable for:

Gz-mg31usm