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JVC GZ-MG21AC Service Manual
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JVC GZ-MG21AC Service Manual

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SERVICE MANUAL
5
YF144
2006
GZ-MG21AC, GZ-MG21AH,
GZ-MG26AA, GZ-MG31AC
Regarding service information other than these sections, refer to the service manual No. YF137 (GZ-MG21EK).
Also, be sure to note important safety precautions provided in the service manual.
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
HARD DISK CAMCORDER
TABLE OF CONTENTS
COPYRIGHT © 2006 Victor Company of Japan, Limited
GZ-MG21ACM, GZ-MG21AHM [M6E324],
GZ-MG26AAM [M6E334],
GZ-MG31ACM [M6E326]
No.YF144
2006/5

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  • Page 1 SERVICE MANUAL HARD DISK CAMCORDER YF144 2006 GZ-MG21AC, GZ-MG21AH, GZ-MG26AA, GZ-MG31AC GZ-MG21ACM, GZ-MG21AHM [M6E324], GZ-MG26AAM [M6E334], GZ-MG31ACM [M6E326] Regarding service information other than these sections, refer to the service manual No. YF137 (GZ-MG21EK). Also, be sure to note important safety precautions provided in the service manual.
  • Page 2 SPECIFICATION Camcorder For general Power supply DC 11 V (Using AC Adapter) DC 7.2 V (Using battery pack) Power consumption Approx. 3.9 (4.1)* W * When using the LED light Dimensions (W × H × D) 68 mm × 69 mm × 109 mm Weight Approx.
  • Page 3 SECTION 1 PRECAUTION Please refer to "GZ-MG21EK No.YF137" about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS DIFFERENCE LIST The following table indicate main different points between models GZ-MG21EK, GZ-MG21AC, GZ-MG21AH, GZ-MG26AA and GZ-MG31AC. MODEL GZ-MG21EK GZ-MG21AC GZ-MG21AH BODY COLOR SILVER...
  • Page 4 Victor Company of Japan, Limited Camcorder Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF144) Printed in Japan...
  • Page 5 Parts identified by the  symbol are critical for safety. Replace only with specified part numbers. BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. 1. EXPLODED VIEW 1.1 FINAL ASSEMBLY<M1>...
  • Page 6 102 102 MAIN BOARD ASSEMBLY <01> 101A 101A 101A 111 111 110A REAR BOARD ASSEMBLY <05> OP BLOCK ASSEMBLY 351D 351D 351D 351D 351A CCD BOARD ASSEMBLY <02> 351C 351D 351D 351B 3-2(No.YF144)
  • Page 7 270A OPE BOARD ASSEMBLY <04> 268A 268A 268A 265D 265C 265A MONITOR BOARD ASSEMBLY 265B <06> 301B 301D 301A 301C (No.YF144)3-3...
  • Page 8 1.2 PACKING AND ACCESSORY ASSEMBLY <M5> FINAL ASSEMBLY <M1> LABEL (SERIAL) 3-4(No.YF144)
  • Page 9 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC 2. PARTS LIST  Symbol No. Part No. Part Name Description Local FINAL ASSEMBLY <M1>  Symbol No. Part No. Part Name Description Local LY35221-003D MONI.COVER ASSY LY35221-004D MONI.COVER ASSY 265A LY45165-001A...
  • Page 10 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local LY35251-012A PACKING CASE PRODUCTION Q1004 2SC4617/RS/-X TRANSISTOR LY21420-001A CUSHION Q1004 or 2SD2216J/RS/-X TRANSISTOR QPA02503505P POLY BAG ACC.
  • Page 11 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C2402 NBE20JM-106X TA E CAPACITOR 10uF 6.3V M C4023 NCBA1HK-102W C CAPACITOR 1000pF 50V K...
  • Page 12 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C4907 NCBA1AK-104W C CAPACITOR 0.1uF 10V K R1030 NRSA6AJ-102W MG RESISTOR 1kΩ 1/16W J...
  • Page 13 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R3026 NRSA6AJ-103W MG RESISTOR 10kΩ 1/16W J R4051 NRSA6AJ-0R0W MG RESISTOR 0Ω 1/16W J...
  • Page 14 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R4525 NRSA6AJ-101W MG RESISTOR 100Ω 1/16W J RA3202 NRZ0034-100W NET RESISTOR 10Ω 1/32W J x4...
  • Page 15 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local LY45207-001A SHIELD SHEET R5915 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R5917 NRSA63J-0R0X MG RESISTOR 0Ω...
  • Page 16 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local IC6001 FA7737F C6401 NCB21CK-105X C CAPACITOR 1uF 16V K IC6002 LTC4412ES6-W C6402 NCB10JK-106X C CAPACITOR 10uF 6.3V K...
  • Page 17 MODEL MARK MODEL MARK GZ-MG21AC GZ-MG26AA GZ-MG21AH GZ-MG31AC  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R6503 NRSA6AD-913W MG RESISTOR 91kΩ 1/16W D C7610 NCB11EK-105X C CAPACITOR 1uF 25V K...

  • Page 18: Table Of Contents

    SERVICE MANUAL HARD DISK CAMCORDER YF137 2006 GZ-MG21EK, GZ-MG21EX, GZ-MG21EY, GZ-MG21EZ, GZ-MG24EG, GZ-MG26EX, GZ-MG26EY, GZ-MG26EZ, GZ-MG36EK GZ-MG21EKM, GZ-MG21EXM, GZ-MG21EYM, GZ-MG21EZM [M6E324], GZ-MG24EGM, GZ-MG26EXM, GZ-MG26EYM, GZ-MG26EZM [M6E334], GZ-MG36EKM [M6E336] Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTIONS .
  • Page 19 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 Dimensions (W × H × D) 68 mm × 69 mm × 109 mm Weight Approx.

  • Page 20: 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 21 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 22: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS DIFFERENCE LIST The following table indicate main different points between models GZ-MG21EK, GZ-MG21EX, GZ-21EY, GZ-MG21EZ, GZ-MG24EG, GZ-MG26EX, GZ-MG26EY, GZ-MG26EZ and GZ-MG36EK. MODEL NAME GZ-MG21EK GZ-MG21EX GZ-MG21EY GZ-MG21EZ GZ-MG24EG BODY COLOR SILVER SILVER SILVER SILVER SILVER HDD(BUILT-IN) 20GB 20GB...

  • Page 23: 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 24 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 25 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.YF137)
  • Page 26 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.YF137)1-9...
  • Page 27 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.YF137)
  • Page 28 (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.YF137)1-11...
  • Page 29 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 30 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 31: 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 32 • 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 33 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 34: Trouble Shooting

    SECTION 5 TROUBLE SHOOTING SERVICE NOTE (No.YF137)1-17...
  • Page 35 Victor Company of Japan, Limited Camcorder Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF137) Printed in Japan...
  • Page 36 SCHEMATIC DIAGRAMS HARD DISK CAMCORDER GZ-MG21EK, GZ-MG21EX, GZ-MG21EY, GZ-MG21EZ, GZ-MG24EG, GZ-MG26EX, GZ-MG26EY, GZ-MG26EZ, GZ-MG36EK CD-ROM No.SML200604 GZ-MG21EKM, GZ-MG21EXM, GZ-MG21EYM, GZ-MG21EZM [M6E324], GZ-MG24EGM, GZ-MG26EXM, GZ-MG26EYM, GZ-MG26EZM [M6E334], GZ-MG36EKM [M6E336] Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) No.YF137SCH COPYRIGHT ©...
  • Page 37 CHARTS AND DIAGRAMS CIRCUIT BOARD NOTES 1. Foil and Component sides NOTES OF SCHEMATIC DIAGRAM 4. Voltage measurement 1) Foil side (B side) : Parts on the foil side seen from foil face (pattern face) 1) Regulator (DC/DC CONV) circuits are indicated.
  • Page 38 BOARD INTERCONNECTION ZOOM UNIT REG_3.1V (Page2-28) G_RST (Page2-27) P_GYAMP OP BLOCK GYRO INT MIC 8 91011121314 (Page2-29) CN5001 YTU94074-6 YTU94074-26 YTU94074-24 YTU94128-4 YTU94077-26 YTU94077-24 YTU94077-6 CN104 CN106 CN105 CN107 MAIN DRV_3.3V REG_3.1V REG_3.1V CFBVD2 /DASP- CAM_OUT XCFCE1 /CS1- CAM_CLK REG_4.9V XCFCE0 /CS0- OP DRV...
  • Page 39 MAIN(MAIN IF) SCHEMATIC DIAGRAM TO HDD TO ZOOM UNIT 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 CN102 CN104 QGF0508F1-06X...
  • Page 40 MAIN(SUB CPU) SCHEMATIC DIAGRAM L1001 NQR0129-002x TO MAIN IF(CN101) LIT_3V REG_3.1V TO MAIN IF(CN101, L1002 AL_3.1V R1077 103,110,IC121) C1004 C1005 R1001 IC1002 10/6.3 100k RS5C314-X R1063 47k R1064 1k DBATT IC1003 X1002 D_BATT V_BATT NAX0564-001X S-80827CNNB-G-W V_BATT T_BATT T_BATT XOUT I_MTR C1025 I_MTR...
  • Page 41 MAIN(AUDIO) SCHEMATIC DIAGRAM MAIN(AUDIO) L2401 10µ Q2401 Q2403 2SC4617/QR/-X 2SC4617/QR/-X REG_4.9V REG_3.1V R2401 R2402 4.7k 4.7k C2402 C2401 R2408 C2404 R2403 10/6.3 OPEN 10/6.3 10/6.3 R2202 560k S_SHUT TO P.PRCS C2223 C2224 R2203 R2204 150k C2202 C2405 C2203 IC2201 AK4660VQ C2624 BEEP1 AVDD...
  • Page 42 MAIN(MPEG2) SCHEMATIC DIAGRAM LAST NO. VACANT NO. MAIN(MPEG2) R3030 R3029 3002 4.7k 4.7k 3007 3003,3004 3046 3005,3006,3010,3011,3015,3018-3021,3037,3038 3002 3024 TO P.PRCS CLK27B R3041 0Ω C3017 OPEN C3018 OPEN C3016 C3015 C3014 C3013 C3012 C3011 C3010 0.01 0.01 0.01 XCINT TO DSP L3001 R3014 0Ω...
  • Page 43 MAIN(V I/O) SCHEMATIC DIAGRAM MAIN(V I/O) DV2OUT0 DV2OUT1 DV2OUT2 DV2OUT3 TO DSP DV2OUT4 DV2OUT5 DV2OUT6 DV2OUT7 TO MPEG2,DSP DV2CKOUT 1 NC1 2 NC1 13 NC1 14 NC1 R3201 54 VSS 0Ω 3 RST 97 CSO0 VSS(8AD) C3215 OPEN 55 CSO1 VDD(8AD) RA3201 133 CSO2...
  • Page 44 MAIN(DSP) SCHEMATIC DIAGRAM TO MAIN IF TO DSP MEM (CN111) TO MPEG2 TO GA C4036 MAIN(DSP) OPEN R4035 R4034 LAST NO. VACANT NO. LAST NO. VACANT NO. R4043 4003 4008 4001,4002,4006,4007 4001 4088 4004,4009-4015,4022,4032,4033,4040,4041,4045-4047,4080,4082 TL4019 4001 4002 R4042 4003 4001 4036 4005,4030,4033 R4044...
  • Page 45 MAIN(CDS/TG) SCHEMATIC DIAGRAM MAIN(CDS/TG) L4203 µ D4201 1SS355-X REG_3.1V L4202 µ TO MAIN IF(CN103) REG_-7.5V R4201 C4217 REG+CCD TO MAIN IF,V I/O 100k C4216 10/16 4.7/16 CAM_3.1V TO MAIN IF(CN101,103) P_GYAMP P_GYAMP REG_3.1V C4220 G_RST C4212 G_RST L4201 4.7/6.3 Y_GYAMP NQR0006-001X Y_GYAMP LAST NO...
  • Page 46 MAIN(DSP MEM) SCHEMATIC DIAGRAM MAIN(DSP MEM) L4301 NQR0129-002X PMA1 PMA1 PMA2 PMA2 PMA3 C4301 PMA3 PMA4 PMA4 PMA5 PMA5 PMA6 TO MPEG2, PMA6 DSP,P.PRCS PMA7 PMA7 PMA8 PMA8 PMA9 PMA9 PMA10 PMA10 PMA11 PMA11 PMA12 PMA12 16 15 13 14 35 34 12 33 46 45 11 32 31 10 44 43 30 9 29 28 7 PMA13 PMA13 TO MPEG2,DSP...
  • Page 47 MAIN(GA) SCHEMATIC DIAGRAM C4404 C4405 AFE_RST TO SUB CPU,P.PRCS TVSEL [JCY0227:NC] 133 GND C4403 10 SDT 11 SEN 12 SCK 134 GND 135 GND [JCY0227:NC] 136 NC [JCY0227:NC] 137 GND [JCY0227:NC] [JCY0227:VDD] VDDI 138 GND [JCY0227:NC] [JCY0227:NC] 139 GND [JCY0227:NC] [JCY0227:NC] 141 GND [JCY0227:NC]...
  • Page 48 MAIN(P.PRCS) SCHEMATIC DIAGRAM NTXD_IN REG_1.5V TO MAIN IF(CN103),MPEG2 TO DSP NTXD_OUT REG_3.1V R4542 0Ω L4507 L4505 L4503 R4543 R4544 NQR0006-001X NQR0006-001X OPEN OPEN NQR0006-001X C4525 CAM_VD C4527 R4541 4.7/6.3 CAM_VD HDIRS HDIRS F/Z_RST PPRO0 C4524 F/Z_RST PPRO0 4.7/6.3 OP_CS PPRO1 TO OP DRV OP_CS PPRO1...
  • Page 49 MAIN(OP DRV) SCHEMATIC DIAGRAM IC4903 MAIN(OP DRV) R1100D311C-X C4924 C4923 1µ IC4902 MM1614GN-X C4925 C4926 1µ 1µ C4927 0.01µ L4902 10µ REG_4.9V_IC4901 REG_4.9V NQL38DK-100X C4903 10/10 L4901 NQR0129-002X REG_3.1V_IC4901 REG_3.1V C4902 10/6.3 L4904 NQL38DK-100X C4935 C4936 10/10 0.01 C4934 L4903 OPEN 10µ...
  • Page 50 ZOOM UNIT CCD SCHEMATIC DIAGRAM Y_GYAMP G_RST TO GYRO REG_3.1V P_GYAMP 24 P_GYAMP <ZOOM UNIT> 23 REG_3.1V Q5001 22 G_RST 2SC5345U/Y/-X 21 Y_GYAMP 20 V4 19 V3 R5001 4.7K TO MAIN IF 18 V2 (CN104) 17 V1 ZOOM_SW 16 SUB 15 H2 ZOOM_SW 14 H1...
  • Page 51 CCD(GYRO) SCHEMATIC DIAGRAM CCD(GYRO) REG_3.1V IC5852 NAL0038-001X IC5952 NAL0039-001X C5853 [ENC-03MA] C5806 [ENC-03MA] 0.01 C5912 C5812 C5909 C5809 C5907 4.7/6.3 C5807 4.7/6.3 R5905 R5805 R5908 R5808 C5908 R5912 C5810 R5812 150p 330p 0Ω IC5901 IC5801 IC5902 TC75S54FU-X TC75S54FU-X IC5802 SN74AHC1G66K-X SN74AHC1G66K-X G_RST G_RST...
  • Page 52 OPERATION(OPE IF) SCHEMATIC DIAGRAM TO SPEAKER CN403 R453 open QGA1001F1-02X 1mm_ML R455 OPERATION(OPE IF) V_OUT D453 C456 OPEN 330/4 AV JACK L451 R451 TO CN401 AU_SIG/L NQR0251-004X L453 SHORT P_DET R452 L452 AU_SIG/R NQR0251-004X QNS0078-001 J401 C451 C452 C453 C454 0.01 0.01 OPEN...
  • Page 53 OPERATION SCHEMATIC DIAGRAM REAR(REAR IF) SCHEMATIC DIAGRAM TO MAIN REAR(REAR IF) (CN103) CN6001 QGF0508F1-53X REG_3.1V REG_3.1V REG_3.1V REG_3.1V CAM_3.1V CAM_3.1V CAM_3.1V OPERATION TO OPE IF(CN401) LED_4.9V REG_4.9V 10 REG_4.9V TO OPE IF REG_3.1V (CN401,402) TO OPE IF(CN401) USB HOST POW/CHRG 11 REG_4.9V ACES_LED DRV_ACES...
  • Page 54 REAR(REG) SCHEMATIC DIAGRAM D_BATT T_BATT ADP_L DC_CHEK CHRG_EVR R6002 DATA_OUT R6003 CLK_OUT R6008 R6009 R6004 _0.5% _0.5% REG_CS R6001 SJIG_RST Q6003 SP8J5 C6016 I_MTR OPEN V_BATT Q6001 BATT+ IC6002 OPEN LTC4412ES6-W F6002 NMFZ007-2R5X-K UNREG D6702 RB160M-30-X TO REAR IF Q6701 L6701 R6014 RSR025P03-X...
  • Page 55 MONITOR SCHEMATIC DIAGRAM [GZ-MG21 SERIES] S7501 NSW0280-001X S7502 R7501 3.3K R7502 6.8K R7503 INDEX TO LCD MODULE CN7603 ADJ0 L7601 C7601 0.047 µ ADJ1 C7602 470p PVDD C7604 C7603 0.01 10/6.3 PGND R7607 R7608 R7609 REG_4.9V SIG_GND SIG_GND SIG_GND VSYNC CAM_3.1V HSYNC CAM_3.1V...
  • Page 56 MONITOR SCHEMATIC DIAGRAM [GZ-MG24,26,36 SERIES] MONITOR VC(B) VB(G) VA(R) R7603 C7601 OPEN VSS1 REG_4.9V VDD1 L7603 SIG_GND OPEN SIG_GND SIG_GND VCIOUT C7606 R7604 OPEN CAM_3.1V C11N OPEN C7623 OPEN CAM_3.1V C11P L7602 R7601 OPEN SET_SW 100µ C12N D7605 C7624 OPEN INFO_SW C12P KEY_A...
  • Page 57 MAIN CIRCUIT BOARD Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) <01>MAIN LYB10071-001B FOIL SIDE(B) L3001 L3002 C3002 C3001 R3033 CN104 IC4301 TL3001 L131 C4029 R4037 L4005 Q131 R4036 R3045 C171 IC4003 R3042 C4004 C4018 C3015...
  • Page 58 MAIN CIRCUIT BOARD Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) <01>MAIN LYB10071-001B COMPONENT SIDE(A) TL1005 R1018 C4401 TL1032 L4401 R1058 C4304 TL1067 C4402 Q1006 R4421 R4422 C1005 C4305 R1056 R1059 C1044 R4413 R4414 R4052 R1055 TL4019...
  • Page 59 CCD, REAR AND MONITOR CIRCUIT BOARDS CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S). ATTENTION : POUR UNE PROTECTION PERMANENTE CONTRE LES RISQUE D'INCENDE, REMPLACER LES FUSIBLES PAR UNAAUTRE DE MEME TYPE ET DE MEME TENSION. Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) <05>REAR LYB10068-001B...
  • Page 60 OPE CIRCUIT BOARD Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) <04>OPE [GZ-MG21 SERIES] <04>OPE [GZ-MG24,26,36 SERIES] LYB10070-001B LYB10069-001B S401 S401 D451 D451 FOIL SIDE(B) FOIL SIDE(B) R456 R454 R456 R454 J402 J402 C455 C455 CN402...
  • Page 61 POWER SYSTEM BLOCK DIAGRAM REAR MAIN SUB CPU CDS/TG BATT_TERM. CN6001 CN103 CN105 CN5001 T_BATT TP2 (T) REG-CCD REG_-7.5V ADP_L OP BLOCK IC5001 REG+CCD REG_+15V TP4 (-) REG_3.1V REG_3.1V V_BATT TP1 (+) IC1001 UNREGCHK Q5001 J601 IC4201 DC JACK Q6003 Q6703 CAM_3.1V F6001...
  • Page 62 VIDEO SYSTEM BLOCK DIAGRAM MAIN OPERATION MONITOR CN101 CN401 CN402 CN7602 CN7603 CN5001 CN105 CR_OUT MON_R MON_R CCD_OUT Q7801~Q7803 YC_OUT MON_G MON_G GREEN ( RGB SIGNAL CB_OUT MON_B MON_B BLUE PROCESS ) IC4201 IC5001 H1, H2 14,15 14,15 OP BLOCK LCD MODULE ( CDS/TG/AD ) ( 1/6 Inch CCD...
  • Page 63 VOLTAGE CHARTS <MAIN> <CCD> <REAR> <MONITOR> MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. IC121 IC4903 IC5001 IC6001 11.0 11.0...
  • Page 64 Victor Company of Japan, Limited Camcorder Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF137) Printed in Japan...
  • Page 65 Parts identified by the  symbol are critical for safety. Replace only with specified part numbers. BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. 1. EXPLODED VIEW 1.1 FINAL ASSEMBLY<M1>...
  • Page 66 102 102 MAIN BOARD ASSEMBLY <01> 101A 101A 101A 111 111 110A REAR BOARD ASSEMBLY <05> OP BLOCK ASSEMBLY 351D 351D 351D 351D 351A CCD BOARD ASSEMBLY <02> 351C 351D 351D 351B 3-2(No.YF137)
  • Page 67 270A OPE BOARD ASSEMBLY <04> 268A 268A 268A 265D 265C 265A MONITOR BOARD ASSEMBLY 265B <06> 301B 301D 301A 301C (No.YF137)3-3...
  • Page 68 1.2 PACKING AND ACCESSORY ASSEMBLY <M5> FINAL ASSEMBLY <M1> LABEL (SERIAL) 3-4(No.YF137)
  • Page 69 MONI.COVER ASSY A,B,C,D LY30031-0K7A SPECIAL SCREW UPPER-FRM(x4) LY35221-013D MONI.COVER ASSY LY35256-001A SHIELD(FRAME) 265A LY45165-001A MARK(HDD) LY30031-0K7A SPECIAL SCREW SHIELD-FRM 265B LY45126-001B JVC MARK LY35262-001A HOOD 265C LY35260-001A STICKER LY35237-001C RING 265C LY35260-002A STICKER A,B,C,D,E,F,G,H LY35228-001C F.COVER ASSY 265D LY45216-001A PROTECT SHEET LY35228-002D F.COVER ASSY...
  • Page 70 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local  003 LYT1537-012B INST BOOK(CZ) (CZECH) IC121 NAL0035-001X SHOCK SENSOR ...
  • Page 71 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q7803 or PUMX1-W PAIR TRANSISTOR C3016 NCBA1AK-104W C CAPACITOR 0.1uF 10V K Q7803 or XP4501-W...
  • Page 72 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C4221 NCBA1AK-104W C CAPACITOR 0.1uF 10V K R111 NRSA6AJ-102W MG RESISTOR...
  • Page 73 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R1075 NRSA6AJ-104W MG RESISTOR 100kΩ 1/16W J R3210 NRSA6AJ-0R0W MG RESISTOR...
  • Page 74 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R4079 NRSA6AJ-473W MG RESISTOR 47kΩ 1/16W J R4588 NRSA6AJ-0R0W MG RESISTOR...
  • Page 75 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local L3701 NQL38DK-100X P COIL 10uH K IC5903 or NJU7008F3-X L4003 NQR0129-002X FERRITE BEADS...
  • Page 76 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local D452 MA8068-X Z DIODE Q6501 RSR025P03-X MOS FET D452 or UDZS6.8B-X Z DIODE...
  • Page 77 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R604 NRSA6AD-154W MG RESISTOR 150kΩ 1/16W D L6501 NQL52EM-221X COIL...
  • Page 78 MODEL MARK MODEL MARK MODEL MARK GZ-MG21EK GZ-MG21EZ GZ-MG26EY GZ-MG21EX GZ-MG24EG GZ-MG26EZ GZ-MG21EY GZ-MG26EX GZ-MG36EK  Symbol No. Part No. Part Name Description Local R7607 NRSA63J-100X MG RESISTOR 10Ω 1/16W J A,B,C,D R7607 NRSA63D-332X MG RESISTOR 3.3kΩ 1/16W D E,F,G,H,J R7608 NRSA63J-100X MG RESISTOR...

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