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JVC GR-D23EK Service Manual
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JVC GR-D23EK Service Manual

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SERVICE MANUAL
2004
1
YF008
GR-D23EK, GR-D23EX, GR-D23EY, GR-D23EZ,
GR-D33EK, GR-D53EK, GR-D53EX,
GR-D53EY, GR-D53EZ, GR-D73EK,
GR-D73EX, GR-D73EY, GR-D73EZ
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
NOTE :
There are two types of VF(COLOR) ASSEMBLY used for this model: S type and K type.
Prior to repair operation related to VIEW FINDER, be sure to see the VF(COLOR)
ASSEMBLY and Parts List.
Methods to distinguish the two types are as follows:
1. Distinction based on EEPROM DATA (EEPROM utility). ( * 1)
2. Distinction based on a part number of the MONI-C BOARD ASSEMBLY.
3. Distinction based on a sticker attached to the VF(COLOR) ASSEMBLY.
EEPROM DATA ( * 1)
MONI-C PWB
VF(COLOR) ASSY
( * 1) It is necessary to confirm the original data (before repair work) of EEPROM.
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED
DIGITAL VIDEO CAMERA
S TYPE
ADRS 3CCH:01H
YB10447 SERIES
NO STICKER
TABLE OF CONTENTS
GR-D23EK,GR-D23EX,GR-D23EY,GR-D23EZ[M4D1S2],GR-D33EK[M4D1S3]
GR-D53EK,GR-D53EX,GR-D53EY,GR-D53EZ[M4D1S5]
GR-D73EK,GR-D73EX,GR-D73EY,GR-D73EZ[M4D1S7]
K TYPE
ADRS 3CCH:05H
YB10453 SERIES
STICKER ON TOP FACE
VF(COLOR) ASSEMBLY
STICKER
No.YF008
2004/1

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Summary of Contents for JVC GR-D23EK

  • Page 1 SERVICE MANUAL DIGITAL VIDEO CAMERA YF008 2004 GR-D23EK, GR-D23EX, GR-D23EY, GR-D23EZ, GR-D33EK, GR-D53EK, GR-D53EX, GR-D53EY, GR-D53EZ, GR-D73EK, GR-D73EX, GR-D73EY, GR-D73EZ GR-D23EK,GR-D23EX,GR-D23EY,GR-D23EZ[M4D1S2],GR-D33EK[M4D1S3] GR-D53EK,GR-D53EX,GR-D53EY,GR-D53EZ[M4D1S5] GR-D73EK,GR-D73EX,GR-D73EY,GR-D73EZ[M4D1S7] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY). NOTE : There are two types of VF(COLOR) ASSEMBLY used for this model: S type and K type.
  • Page 2 SPECIFICATION (The specifications shown pertain specifically to the model GR-D23, GR-D53, GR-D73) 1-2 (No.YF008)
  • Page 3 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 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS The following table indicate main different points between models GR-D23EK, GR-D23EX, GR-D23EY, GR-D23EZ, GR-D33EK, GR-D53EK, GR-D53EX, GR-D53EY, GR-D53EZ, GR-D73EK, GR-D73EX, GR-D73EY and GR-D73EZ. MODEL GR-D23EK GR-D23EX GR-D23EY GR-D23EZ GR-D33EK DV TERMINAL YES(OUT) YES(OUT) YES(OUT) YES(OUT)
  • 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) (S3a),(S3b),2(L3) [15] MONITOR ASSEMBLY"...
  • Page 8 (S3b) (S2) (S3a) Fig.C1 (S4c) (S4b) (S4b) (S4a) (S4a) (S4b) CN4a CN4b <NOTE4> (S4a) (S4d) Fig.C2 1-8 (No.YF008)
  • Page 9 (S8) (S8) <NOTE8> (S8) (S8) CN8c (S5) (S5) (S8) (S8) CN8a CN8b Fig.C3 Fig.C5 CN7b CN9a CN9b <NOTE7> (S9) CN7a <NOTE9> (S9) (S6) (S7) <NOTE6> Fig.C4 Fig.C6 (No.YF008)1-9...
  • Page 10 (S10b) CN10b CN10a (S10a) [10] <NOTE10> Fig.C7 [12] <NOTE12> BKT(MECHA)ASS'Y CN11d CN11b SHIELD COVER CN11c [11] (S12) CN11e (S11a) (S12) (S11a) (S11b) (S12) (S11b) CN11f CN11a :0.068N m (0.7kgf :0.078N m (0.8kgf Fig.C8 1-10 (No.YF008)
  • 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] <NOTE16b> (S14b) [16] <NOTE16a> SD16 (S14a) (S16a) (S16b) (S16b) Fig.10 Fig.C12 (No.YF008)1-11...
  • Page 12 <NOTE17> [17] BKT(SPK) BKT(HINGE) (S17a) (S17a) (S17a) (S17a) (S17b) Fig.13 1-12 (No.YF008)
  • Page 13 3.2.3 DISASSEMBLY/ASSEMBLY OF [15] MONITOR ASSEMBLY CAUTION (1) During the procedure, be careful in handling the LCD L15e MODULE,etc., especially not to damage or soil the mon- MONITOR COVER 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 CJIG_RST ENV_OUT.
  • Page 19 SECTION 5 TROUBLE SHOOTING SERVICE NOTE (No.YF008)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 23 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF008) Printed in Japan...
  • Page 24 SCHEMATIC DIAGRAMS DIGITAL VIDEO CAMERA YF008 2004 GR-D23EK, GR-D23EX, GR-D23EY, GR-D23EZ, GR-D33EK, GR-D53EK, GR-D53EX, GR-D53EY, GR-D53EZ, GR-D73EK, GR-D73EX, GR-D73EY, GR-D73EZ CD-ROM No.SML200402 GR-D23EK,GR-D23EX,GR-D23EY,GR-D23EZ[M4D1S2],GR-D33EK[M4D1S3] GR-D53EK,GR-D53EX,GR-D53EY,GR-D53EZ[M4D1S5] GR-D73EK,GR-D73EX,GR-D73EY,GR-D73EZ[M4D1S7] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
  • Page 25 CIRCUIT BOARD NOTES CHARTS AND DIAGRAMS 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 Safety precautions are indicated.
  • Page 26 BOARD INTERCONNECTION (GR-D23,GD-D33) YTU94074-11 YTU94074-6 YTU94074-8 YTU94077-11 YTU94077-6 YTU94077-8 YTU94074-20 YTU94077-20 CN107 YTU94074-6 (Page2-45) YTU94074-18 YTU94074-16 YTU94077-6 YTU94077-18 YTU94077-16 CN405 CN406 CN404 CN403 CN402 CN407 (Page2-51) P/R_GND ENV_OUT (Page2-49) J502 ATFI REG_4.8V LOAD_FWD REG_3.1V LOAD_REV REG_2.5V YTU94074-24 YTU94105-40 PREMDA IF (Page2-47) YTU94077-24 YTU94077-40...
  • Page 27 BOARD INTERCONNECTION (GR-D53,GR-D73) YTU94074-11 YTU94074-6 YTU94074-8 YTU94077-11 YTU94077-6 YTU94077-8 YTU94074-20 YTU94077-20 CN107 YTU94074-6 (Page2-45) YTU94074-18 YTU94074-16 YTU94077-6 YTU94077-18 YTU94077-16 CN405 CN406 CN404 CN403 CN402 CN407 (Page2-51) P/R_GND ENV_OUT (Page2-49) J502 ATFI REG_4.8V LOAD_FWD REG_3.1V LOAD_REV REG_2.5V YTU94074-24 PREMDA IF YTU94105-40 (Page2-47) YTU94077-24 YTU94077-40...
  • Page 28 MAIN (MAIN IF) SCHEMATIC DIAGRAM (GR-D23,GR-D33) CN113 CN108 CN107 QGA1001F1-02X CN109 QGF0512C1-24X QGF0512C1-20X QGF0534F1-16X AL_3VSYS QGF0512C1-12X CN112 KEY_B ADP_L Q2001 T_BATT DIAL_MANU P-SW_MANU UMX1N-W BATT_CHK LITHIUM R2013 Q2002 DIAL_AUTO P-SW_AUTO UMX1N-W P_DET AU_SIG/R R2014 AU_SIG/L V_OUT Q2003 DIAL_OFF P-SW_OFF UMX1N-W CN102 BATT_+ QGF0508F1-06X...
  • Page 29 MAIN (MAIN IF) SCHEMATIC DIAGRAM (GR-D53,GR-D73) TO ZOOM UNIT CN108 CN107 CN109 QGF0512C1-24X QGF0512C1-20X QGF0534F1-16X AL_3VSYS QGF0512C1-12X CN112 KEY_B ADP_L Q2001 T_BATT DIAL_MANU P-SW_MANU UMX1N-W BATT_CHK LITHIUM R2013 Q2002 DIAL_AUTO P-SW_AUTO UMX1N-W P_DET AU_SIG/R R2014 AU_SIG/L V_OUT Q2003 DIAL_OFF P-SW_OFF UMX1N-W CN102 BATT_+...
  • Page 30 MAIN (CPU) SCHEMATIC DIAGRAM (GR-D23,GR-D33) LIT_3V R1019 IC1006 IC1005 OSD_CLK AL_3VSYS µ SCLK OSD_HD L1001 RS5C314-X X25330S8I_2.5_X OSD_CS AL_3.1V µ OSD_VD L1002 RTC_CS EEP_CS OSD_OUT REG_3.1V X1002 IC1003 DATA C1042 RTC_CLK NAX0564-001X EEP_IN 74HC1G00GW-X TG_RST C1064 C1041 HOLD SN74AHC1G00K-X R1053 6.3V RTC_OUT MC74HC1G00DF-X...
  • Page 31 MAIN (CPU) SCHEMATIC DIAGRAM (GR-D53,GR-D73) LIT_3V R1019 IC1006 IC1005 OSD_CLK AL_3VSYS SCLK OSD_HD L1001 RS5C314-X X25330S8I_2.5_X OSD_CS AL_3.1V OSD_VD L1002 RTC_CS EEP_CS OSD_OUT REG_3.1V C1042 X1002 IC1003 DATA RTC_CLK NAX0564-001X EEP_IN 74HC1G00GW-X TG_RST C1064 C1041 HOLD SN74AHC1G00K-X R1053 6.3V RTC_OUT MC74HC1G00DF-X Xout 100K...
  • Page 32 MAIN (AUDIO_AD) SCHEMATIC DIAGRAM (GR-D53,GR-D73) PWAD2 0Ω R2111 DOBCK2 0Ω R2112 DOMCK2 0Ω R2113 DOLRCK2 0Ω R2114 AIDAT 2 IC2101 R2105 R2106 0Ω AK5355VT-X C2112 C2113 L2101 R2101 10µ EM_AU/ L REG_3.1V EM_AU/ R R2102 C2107 /6.3 C2108 C2109 C2110 C2105 /6.3 0.0022...
  • Page 33 MAIN (AUDIO) SCHEMATIC DIAGRAM(GR-D23,GR-D33) Q2401 2SC4617/QR/-X REG_4.8V L2401 NQL402M-100X R2401 4.7k Q2403 2SC4617/QR/-X C2401 C2402 /6.3 R2402 /6.3 L2402 4.7k NQL402M-100X REG_3.1V C2403 R2403 C2404 /6.3 /6.3 R2202 560k S_SHUT BUZZER C2201 C2202 C2223 C2224 R2407 R2201 680k R2203 R2204 C2203 C2405 R2612...
  • Page 34 MAIN (AUDIO) SCHEMATIC DIAGRAM (GR-D53,GR-D73) Q2401 2SC4617/QR/-X REG_4.8V L2401 NQL402M-100X R2401 Q2402 4.7k Q2403 2SC4617/QR/-X R2404 C2401 C2402 /6.3 R2402 /6.3 R2406 L2402 4.7k 0Ω NQL402M-100X REG_3.1V R2405 C2403 R2403 C2404 /6.3 /6.3 R2202 560k S_SHUT BUZZER C2201 C2202 C2223 C2224 R2407 R2201...
  • Page 35 MAIN (DV MAIN) SCHEMATIC DIAGRAM TL3007 R3021 TL3008 TCMK TL3009 TRST TDBI R3022 OPEN TL3011 CPUBUSTYPE CPUDSLOGIC C3047 MON0 CPUWAITLOGIC MON1 CPUWAIT VDDE XINT XINT VDDI XCPUCS DV_CS MON2 XCPURW L3002 MON3 XCPUDSTB1 REG_3.1V MON4 XCPUDSTB0 NQR0129-002X REG_2.5V MON5 CPUALE REG_1.8V C3003 MON6...
  • Page 36 MAIN(VIDEO I/O) SCHEMATIC DIAGRAM (GR-D23,GR-D33) L3701 µ OUT_C0 C3701 /6.3 OUT_C1 OUT_C2 OUT_C3 IC3201 OUT_Y0 OUT_Y1 OUT_Y2 JCP8075 OUT_Y3 OUT_HS OUT_VS C3236 C3233 C3232 C3231 C3230 C3229 C3228 TBCCTL R3207 0Ω CLK27A C3227 R3208 CLK27B 0.01 C3238 R3209 IC3202 VSS( 8AD) C3226 DCO0 CSO0...
  • Page 37 MAIN (VIDEO I/O) SCHEMATIC DIAGRAM (GR-D53,GR-D73) MAIN (VIDEO I/O) L3701 µ OUT_C0 R3738 C3701 /6.3 C3734 OUT_C1 R3734 R3736 OUT_C2 8.2k OUT_C3 Q3733 L3731 C3732 UMZ1N-W OUT_Y0 C3739 µ 0.01 IC3201 R3733 OUT_Y1 0.001 R3735 OUT_Y2 JCP8075 1.8k CH # CH # R3737 C3737...
  • Page 38 MAIN(CAM DSP) SCHEMATIC DIAGRAM (GR-D23,GR-D33) R4345 CLK18 CLK27 R4310 CLK54 0Ω R4312 R4344 C4311 C4310 C4309 0Ω PBLK R4311 R4346 OBCLP R4342 0Ω C4312 XAVD R4343 XAHD 0Ω IC4202 MM1613AN-X L4201 NQR0129-002X REG_4.8V CLK18 C4201 /6.3 CLK27 VDDC C4205 C4204 CLK54 VGND VDDC...
  • Page 39 MAIN (CAM DSP) SCHEMATIC DIAGRAM (GR-D53,GR-D73) DSYO7 DSYO7 DSYO6 DSYO6 DSYO5 DSYO5 DSYO4 DSYO4 DSYO3 DSYO3 R4345 DSYO2 DSYO2 CLK18 DSYO1 R4338 R4337 R4336 R4335 DSYO1 CLK27 DSYO0 R4310 DSYO0 CLK54 0Ω DSCO7 DSCO7 R4312 R4344 DSCO6 C4311 C4310 C4309 DSCO6 0Ω...
  • Page 40 MAIN (OP DRIVER) SCHEMATIC DIAGRAM IC4807 R4839 Q4802 2SC4617/RS/-X R4825 R4804 R4840 2.2k L4802 R4841 R4826 R4849 10µ C4804 SN74AHC2G66U-X R4817 R4850 C4803 /6.3 330k R4833 R4837 100k C4823 R4806 R4823 C4811 R4836 0.01 R4812 R4816 0Ω R4842 R4831 R4843 0Ω...
  • Page 41 MAIN (TG) SCHEMATIC DIAGRAM C5509 CLK27 X5501 CLK54 NAX0587-001X C5515 R5502 R5509 C5518 OBCL P OBCL P CT L XAVD XAVD XAHD XAHD PBL K R5501 PBL K 0Ω CLK13/C L Vdd5 C5508 TEST CAM/VT R R5511 CLK18/MCK CLK18 Vss4 IC5501 R5507 0Ω...
  • Page 42 MAIN (REG) SCHEMATIC DIAGRAM M_UNREG R6042 0Ω BATT_+ BATT_CHK I_MTR F6001 NMFZ007-2R5X-K L6701 Q6701 R6701 ADP_DC R6709 SSM3J14T-X CHRG_EVR 0Ω 0.5W D6702 RB160M-30-X L6001 V_BATT R6049 0Ω R6708 R6048 0Ω L6002 CJIG_RST C6003 AREG_SO AREG_CLK R6043 REG_CS C6021 REG_3.1V R6024 Q6201 Q6101 REG_2.5V...
  • Page 43 MAIN (DSC) SCHEMATIC DIAGRAM (GR-D53,GR-D73) REG_1.8V L8003 NQR0129-002X REG_3.1V REG_4.8V R8067 R8037 C8003 /6.3 C8030 REG_3.1V 0.01 FLSH_RST C8004 C8005 DSC_RST DSC_CLK DSC_DT_OUT DSC_DT_IN R8009 R8007 DSC_CS 4.7k 4.7k USBDOWN MXDT_OUT R8010 R8008 DSC_STS CAPT_REQ MMC_CD DSC_WKUP R8066 EMU1 RXD2 EMU0 TXD2 R8017...
  • Page 44 MAIN (USB) SCHEMATIC DIAGRAM (GR-D53,GR-D73) C8308 X8301 NAX0612-001X L8301 NQR0129-002X DSC_RST REG_4.8V DSC_RST GIO3 C8301 C8309 GIO3 /6.3 GIO6 GIO6 GIO1 5 TL8305 GIO1 5 R8315 R8314 EM_CS2 EM_CS2 FLSH_OE R8313 R8312 FLSH_OE 0Ω DSC_RST FLSH_WE FLSH_WE EM_CS2 R8302 USB_DP USB_DN R8303 USBSENS...
  • Page 45 MONI-C SCHEMATIC DIAGRAM CN763 R7646 R7645 R7630 R7647 R7644 Q7608 J7601 R7648 D7604 IC7606 R7607 C7654 L7606 C7652 C7653 0.01 C7642 µ L7603 R7663 D7602 IC7604 CN761 C7645 R7605 C7626 R7606 R7612 R7608 C7618 C7623 R7609 R7616 R7617 C7630 C7631 R7613 C7624 0.01...
  • Page 46 BL2.5 SCHEMATIC DIAGRAM T7501 R7504 C7502 L7502 L7501 0.027 68µ F7501 Q7503 C7501 TL7501 CN7601 Q7504 TL7502 R7502 C7504 R7503 CN7603 CN7602 R7511 0Ω R7512 0Ω IC7501 TL7503 TL7504 TL7505 C7511 R7513 0Ω NOTE : The parts with marked ( ) is not used. 2-43 2-44...
  • Page 47 CCD SCHEMATIC DIAGRAM FRONT SCHEMATIC DIAGRAM NOTE : IC5001 is incorporated in the CCD base assembly. When IC5001 needs replacement, replace the CCD base assembly in whole because it cannnot be replaced alone. D9001 D9002 CN9001 Q5001 CN5001 R9007 R9003 R9001 R9002 1.5k...
  • Page 48 PRE/MDA(PRE/MDA IF) SCHEMATIC DIAGRAM CN401 CN401 CN408 CN408 QGF0508F1-40X QGF0508F1-40X PREMDA (PRE/MDA IF) CN406 QGF0505F2-16X CN403 QGF0505F2-X DEW_SENS P/R_GND LOAD_FWD LOAD_FWD LOAD_REV LOAD_REV CN405 QGF0507F1-18X CN407 CN404 QGF0508F1-06X QGF0507F1-11X y30255001a_rev0.1 2-47 2-48...
  • Page 49 PRE/MDA(MDA) SCHEMATIC DIAGRAM DRUM_PG DRUM_FG TL1601 DRUM_REF R1630 DRUM_ERR TL1612 R1639 D1604 DRUM_PWR DAP222-X C_FRB TL1618 C1632 CAP_FG 0.47 TL1602 CAP_REF R1631 TL1613 CAP_ERR C1607 R1640 NMFZ007-R20X-K LD_ON 0.047 CAP_PWR F1601 L_FRB UNREG TL1619 M_REG3V F1602 NMFZ007-R50X-K MDA_PS R1641 TL1617 C1631 /6.3 TL1620...
  • Page 50 PRE/MDA(PRE/REC) SCHEMATIC DIAGRAM HID3 HID1 RECH MONI_CHG TL3501 C3516 0.047 IC3501 ENV_OUT JCY0132 ATFI C3517 C3527 220p 0.01 R3509 C3518 0.01 R3510 C3519 0.001 DUMP_CT L C3520 R3507 ATF_GAI N 0.01 NOSIG_LV C3521 RECCADJ CN402 GND[P/R_GND] R3506 C3522 GND[P/R_GND] GND[P/R_GND] R3505 C3523 GND[P/R_GND]...
  • Page 51 C-VF SCHEMATIC DIAGRAM C-VF SCHEMATIC DIAGRAM <K TYPE> <S TYPE> 0 7 C-VF QGF0532F1-18X QGF0507F3-2 CN7001 CN7002 CN7001 CN7002 C7003 VF_COM VCOM CVF_G VIDR CVF_R VIDG CVF_B VIDB BLK/VFREG4.8 RSVI HCK1 HCK1 HCK2 HCK2 R7004 R7005 C7001 SLEEP D7001 VDD(12V) VFREG4.8/SLEEP VDD( 9V) D7002...
  • Page 52 MAIN CIRCUIT BOARD (GR-D23,GR-D33) <01> MAIN YB10449-01-01 FOIL SIDE(B) R2009 R2011 R4872 R2001 R2005 R2007 C4853 R4860 L6801 L1001 R4859 Q6801 Q2001 Q2002 Q2003 Q2004 Q2005 Q2006 L4852 R4858 X1002 R6805 R4857 C1042 R2002 R2004 R2006 R2008 R2010 R2012 C6804 D6801 R2013 R2014...
  • Page 53 MAIN CIRCUIT BOARD (GR-D23,GR-D33) 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, COMPONENT SIDE(A) <01> MAIN REMPLACER LES FUSIBLES PAR UNAAUTRE DE MEME TYPE ET DE MEME TENSION. YB10449-01-01 C4822 R4827...
  • Page 54 COMPONENT PARTS LOCATION GUIDE <MAIN> YB10449-01-01 REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C3020 B C 2A C4313 A C 3B C6807 B C 1C Q1005 B C 3A R1079 B C 4B R3069...
  • Page 55 MAIN CIRCUIT BOARD (GR-D53,GR-D73) <01> MAIN YB10444-01-02 FOIL SIDE(B) TL8024 TL8023 X8002 C8021 TL8025 R8004 R8003 C8006 L8005 TL8022 R8002 L8002 R8036 R8017 R8001 C8002 C8001 R6025 C8015 C8020 C8017 R6040 R6024 R6108 C6001 TL8013 R6044 C8025 IC8003 C6021 R8071 C6042 C6022 C6041...
  • Page 56 MAIN CIRCUIT BOARD (GR-D53,GR-D73) 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, <01> MAIN REMPLACER LES FUSIBLES PAR UNAAUTRE DE MEME TYPE ET DE MEME TENSION. YB10444-01-02 COMPONENT SIDE(A) Q4803...
  • Page 57 PREMDA CIRCUIT BOARD CAUTION : PREMDA CIRCUIT BOARD FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S). FOIL SIDE(B) ATTENTION : POUR UNE PROTECTION PERMANENTE CONTRE LES RISQUE D'INCENDE, <05> PREMDA SIDE B <05> PREMDA REMPLACER LES FUSIBLES PAR UNAAUTRE DE MEME TYPE ET DE MEME TENSION.
  • Page 58 COMPONENT PARTS LOCATION GUIDE <MAIN> YB10444-01-02 <PREMDA> YB10445-01-02 <MONI-C> YB10447-01-01 <MONI-C> YB10453-01-01 REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO.
  • Page 59 MONI-C CIRCUIT BOARD MONI-C CIRCUIT BOARD <02> MONI-C <02> MONI-C YB10447-01-01 YB10447-01-01 COMPONENT SIDE(A) D7604 FOIL SIDE(B) R7606 R7605 IC7604 R7602 R7628 R7647 C7614 R7648 R7636 R7637 C7617 Q7607 C7616 C7612 C7611 C7607 C7610 C7624 C7626 R7609 C7627 R7610 IC7602 C7601 R7611 R7641...
  • Page 60 MONI-C CIRCUIT BOARD MONI-C CIRCUIT BOARD <02> MONI-C <02> MONI-C FOIL SIDE(B) YB10453-01-01 YB10453-01-01 COMPONENT SIDE(A) NOTE : A location table is described in page 2-68. NOTE : A location table is described in page 2-68. 2-71 2-72...
  • Page 61 FRONT CIRCUIT BOARD BL2.5 CIRCUIT BOARD FOIL SIDE(B) <02> BL2.5 SIDE A COMPONENT SIDE(A) COMPONENT SIDE(A) YB20964 ZP2-14 Q7504 Q7503 L7501 Q7501 Q7502 R7502 C7502 C7504 ZP2-12 ZP2-7 ZP2-15 <02> BL2.5 SIDE B YB20964 D9001 D9002 ZP2-6 FOIL SIDE(B) ZP2-5 ZP2-4 ZP1-9 C7501...
  • Page 62 C-VF CIRCUIT BOARD COMPONENT SIDE(A) FOIL SIDE(B) R7001 R7002 CN7001 D7002 C7001 R7003 CN7002 <07> C-VF <07> C-VF YB20941 YB20941 C-VF CIRCUIT BOARD FOIL SIDE(B) COMPONENT SIDE(A) C7003 CN7001 R7005 C7005 R7004 C7006 C7004 R7006 R7001 R7002 <07> C-VF <07> C-VF YB20965-01-01 YB20965-01-01 2-75...
  • Page 63 VOLTAGE CHARTS <CPU> <DV MAIN> <REG> <DSC> <OP DRV> <VIDEO I/O> <TG> <MONI-C> <BL2.5> <FRONT> <MDA> <PRE/REC> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY...
  • Page 64 VIDEO SYSTEM BLOCK DIAGRAM (1/2) MAIN IC4301 (CAMERA DSP) IC5001 IC4201 DYI0 (CDS/AGC/AD) Q5001 DYI3 CN5001 CN107 (CCD) ADIN0~ADIN9 ADIN9 Vout CDSIN KIZU DCI0 BLOCK ADIN0 PROCESS DCI3 Q5002 CLK18 CLK18 OBCLP OBCP XAVD CLK27A VDTG CLK27AO XAHD HDTG CLK27 CLK27 EEP_OUT OUTH...
  • Page 65 VIDEO SYSTEM BLOCK DIAGRAM (2/2) IC3001 (DVMAIN) PRE/MDA MAIN IC3501 CN110 CN401 HID3 HID3 HID3 YSO0 VIDEO I/F COMPRESS OUTER ECC INNER ECC PB_H YSO3 RECH RECH FSPLLCTL REC_H ( DCT,VLC VLD ( ENC/DET ) ( SUB/AUX ) (ENC/DEC) PWMAUDIO ( VBID DET RAM ) REC_CTL WORK RAM )
  • Page 66 POWER SYSTEM BLOCK DIAGRAM MAIN REAR UNIT CN112 BATT. TERM APP_L LITHIUM APD_L OP BLOCK CAMERA DSP REG_3.1V CN5001 CN107 Q6701 REG_3.1V CCD_15V Q5001 CCD_15V BATT L4302 L5001 L5504 REG_1.8V POWER CTL L5506 IC4301 REG_15V ADP_DC IN IC5501 BATT_ L4301 REG-CCD BATT_ Q6401...
  • Page 67 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF008) Printed in Japan...
  • Page 68 SERVICE MANUAL MECHANISM ASSEMBLY 86700 2003 DVC MECHANISM VHS-C MECHANISM VHS MECHANISM <DVC MECHANISM> <VHS-C MECHANISM> <VHS MECHANISM> TABLE OF CONTENTS JIGS AND TOOLS ..............1-1 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 69 SECTION 1 JIGS AND TOOLS TOOLS REQUIRED FOR ADJUSTMENTS 1. Torque driver Torque driver Be sure to use to fastening the mechanism and exterior parts YTU94088 YTU94088-003 because those parts must strictly be controlled for tightening torque. Torque setting value of torque driver is limited. At the values over the maximum torque setting value, fasten a screw manually not to damage the screw thread.
  • Page 70 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 DVC MECHANISM 2.1.1 Precautions (1) When fastening parts, pay careful attention to the tighten- ing torque of each screw. Unless otherwise specified, tight- en a screw with the torque of 0.055 N•m (0.56 kgf•cm). (2) Be sure to disconnect the set from the power supply before fastening and soldering parts.
  • Page 71 2.1.3 DISASSEMBLY AND ASSEMBLY OF MECHANISM ASSEMBLY 2.1.3.1 General statement 2.1.3.2 Explanation of mechanism mode The mechanism should generally be disassembled/assembled in The mechanism mode of this model is classified into five modes the C.IN mode (ASSEMBLY mode). (Refer to Fig. 2-1-1,2-1-2.) as shown in Fig.
  • Page 72 2.1.3.3 Mechanism timing chart MODE SHORT TU. P. B SLIDE TU. P. B SLIDE RELEASE EJECT C IN START START STOP PLAY PARTS MAIN CAM -12.40 (22.44 58.71 (69.53 (80.5 (150.58 ) (153.5 177.79 212.77 243.94 SUB CAM -16.97 (30.71 80.34 (95.14 (110.06...
  • Page 73 2.1.4 DISASSEMBLY PROCEDURE TABLE MARK: # After assembly, perform adjustments. PART NAME FIG. POINT NOTE REMARKS [ 1 ] CASSETTE HOUSING ASSY Fig.2-1-14 3(S1),(L1a)-(L1e) NOTE 1 a,b,c,d ADJUSTMENT [ 2 ] UPPER BASE ASSY Fig.2-1-15 (S2),(L2a),(L2b) NOTE 2 [ 3 ] (S3a),2(S3b) ADJUSTMENT DRUM ASSY...
  • Page 74 [ 1 ] (S1) (S2) (S1) (W4) [ 2 ] [ 4 ] (W5a) [ 5 ] (S6a) (W6) (W5b) (S6b) [ 3 ] (S6a) [ 6 ] (S11b) [ 9 ] (S35) [ 7 ] (S36) [10] (S35) [ 8 ] (S35) (S10) (P8)
  • Page 75 < TOP VIEW > [24] [27] [ 2 ] [ 3 ] [21] [36] [35] [17] [20] [26] [23] [34] [18] [ 9 ] [ 8 ] [10] [ 7 ] [33] [22] [26] [12] [ 6 ] [ 4 ] [37] [25] [29]...
  • Page 76 2.1.5 DISASSEMBLY/ASSEMBLY 2.1.5.1 [ 1 ] CASSETTE HOUSING ASSY NOTE 1a NOTE 1a: [ 1 ] Be careful not to damage any of the parts during work. NOTE 1b: (S1) Special care is required in mounting. NOTE1d NOTE 1c: When mounting, the CASSETTE HOUSING ASSY should be attached in the Eject status.
  • Page 77 2.1.5.3 [ 4 ] REEL DISK ASSY(SUP) [ 5 ] REEL DISK ASSY(TU) (W4) [ 6 ] REEL COVER ASSY (W5a) NOTE 4: NOTE 4 Be careful not to attach the REEL DISK wrongly. The Supply [ 4 ] side can be identified by the white color at the center. NOTE 5a NOTE 5a: [ 5 ]...
  • Page 78 2.1.5.4 [ 7 ] TENSION ARM ASSY [ 8 ] SLANT POLE ARM ASSY [ 9 ] TU ARM ASSY [10] SWING ARM ASSY NOTE 7: When detaching, remove the spring of the [12] PAD ARM ASSY in advance. Pay attention to the attachment position. [ 8 ] NOTE 8: NOTE 9...
  • Page 79 2.1.5.5 [11] SLIDE DECK ASSY NOTE 11a: Each of the parts on the SLIDE DECK ASSY can be replaced separately. (S11b) When detaching the assembly, if there is no need to replace any of its parts, remove the SLIDE DECK ASSY as it is. (L11c) (L11b) NOTE 11b:...
  • Page 80 2.1.5.7 [15] TENSION CTL LEVER ASSY [16] CENTER GEAR [17] PINCH ROLLER ARM FINAL ASSY [18] TENSION CTL PLATE ASSY [19] BRAKE CTL LEVER ASSY NOTES 15/16: NOTE 17 When mounting, pay attention to the correct positioning. (W17) [17] NOTE 17: Take care against grease attachment during work.
  • Page 81 2.1.5.9 [26] BASE R ASSY [27] ROTARY ENCODER [28] GEAR COVER ASSY (S27) [29] MAIN CAM ASSY NOTE 27 NOTE 26: [27] When mounting, fold the sliding part to the inner side. (S27) NOTE 27: When mounting, pay attention to the correct positioning and the FPC layout.
  • Page 82 2.1.5.11 [35] DRUM BASE ASSY [36] CAPSTAN MOTOR [37] MAIN DECK ASSY NOTES 35a/36: (S35) Since [36]CAPSTAN MOTOR is attached to [35]DRUM BASE (S36) ASSY, remove [36]CAPSTAN MOTOR together with (S35) [35]DRUM BASE ASSY when removing [36]CAPSTAN MO- TOR. (S35) [36]CAPSTAN MOTOR should not be separated from [35]DRUM BASE ASSY except when replacing them.
  • Page 83 2.1.6 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE [24] MODE GEAR [27] ROTARY ENCODER Align the MODE GEAR with the Main Deck Mount the ROT ARY ENCODER by aligning its mark ( Assembly hole. and the mark ( ) of the Main Deck Assembly. Note: Note: Be careful when handling the FPC during mounting.
  • Page 84 2.1.7 MECHANISM ADJUSTMENTS 2.1.7.1 Adjustment of the slide guide plate Use Fig. 2-1-26 as the reference unless otherwise specified. (1) Set the PLAY mode. See Fig. 2-1-8. (2) Loosen the screws (A, B). (3) With the Main Deck and Slide Deck Assemblies pushed into the unit, tighten the screws (A, B) while applying pressure to the stud (shaft) on the Slide Guide plate.
  • Page 85 2.1.7.2 Adjustment of the Tension Arm and Pad Arm As- semblies Use Fig. 2-1-27 as the reference unless otherwise specified. (1) Set the PLAY mode. See Fig. 2-1-8. (2) Loosen the screw A. (3) With the take-up side at the bottom, align the extreme end of the Tension Arm Assembly with the crossed grooves on the screw B that retains the Loading Motor Assembly and then tighten the screw A.
  • Page 86 2.1.8 SERVICE NOTE Use the following chart to manage mechanism parts that are removed for disassembling the mechanism. [ 1 ] [ 2 ] CASSETTE HOUSING ASSY UPPER BASE ASSY [ 3 ] [ 4 ] REEL DISK ASSY(SUP) [ 6 ] REEL COVER ASSY DRUM ASSY [ 5 ]...
  • Page 87 [15] PINCH ROLLER TENSION BRAKE CTL [16] [17] TENSION CTL CENTER GEAR [18] [19] ARM F ASSY CTL PLATE LEVER LEVER ASSY ASSY ASSY [20] MOTOR GUIDE [22] SLIDE LEVER 2 LOADING [21] [23] BRACKET RAIL ASSY ASSY PLATE ASSY ASSY [25] [24]...
  • Page 88 2.1.9 SERVICE NOTE Use the following chart to manage screws. Fig.2-1-31 (No.86700)2-19...
  • Page 89 2.1.10 REMARKS 2.1.10.1 Cleaning (1) For cleaning of the upper drum (particularly video heads), use fine-woven cotton cloth with alcohol soaks through. Do not move the cloth but turn the upper drum counterclock- wise. NOTE: Make sure not to move the cloth in the vertical direction to the video head, since it may cause damage of the video heads.
  • Page 90 VHS-C MECHANISM 2.2.1 Precautions (1) When fastening parts, pay careful attention to the tighten- ing torque of each screw. Unless otherwise specified, tight- en a screw with the torque of 0.216 N•m (2.2 kgf•cm). Torque setting value of torque driver is limited. At the val- ues over the maximum torque setting value, fasten a screw manually not to damage the screw thread.
  • Page 91 2.2.3 DISASSEMBLY/ASSEMBLY PROCEDRURE TABLE This procedure starts with the condition that the cabinet parts and deck parts. Also, all the following procedures for adjustment and parts replacement should be performed in STOP mode. When reassembling, perform the step(s) in the reverse order. REMOVAL INSTALLATION STEP/LOC.
  • Page 92 [20] (S5a) (S5a) [31] (S6b) [25] (S7) (S7) (S7) (S5a) [21] (S5a) (S6b) (S5a) (S5a) (W1a) [22] (P1) (S5b) [27] (S5b) (S6d) (S6d) (W1a) (S6d) (S5c) [28] (W2) (S6d) [23] (S6d) (W2) (S6d) [34] (S6d) (W1b) (W1a) [29] [26] (S6d) (W8b) (S8) 39 (S8)
  • Page 93 <TOP VIEW> [25] [26] [31] [37] [20] [21] [29] [19] [28] [22] [27] [23] [36] [17] [16] [14] [15] [18] [12] [34] [35] [30] [32] [33] [13] Fig.2-2-3 <BOTTOM VIEW > [24] [11] BRACKET (MECHA) [10] NOTE: In removing the ROTARY ENCODER, please remove the BRACKET(MECHA).
  • Page 94 (W1a) [16] (S3a) (W3b) [12] [13] [17] (S3b) (P3) (P1) (W3a) (S1) (W3a) (W1a) [14] (W3a) [15] (W1a) (W1b) [11] [10] (S3a) (S3a) (S3a) (S3a) Fig.M3 Fig.M1 (W2) (S4a) [19] [20] (S4b) (W4) (S4b) (W2) [18] (S2) (W2) * 0.118 N . m (1.2 kgf . cm) Fig.M2 Fig.M4 (No.86700)2-25...
  • Page 95 (S5a) [21] 14,15 (S5a) [31] 33,34,35 (S7) (S5a) [22] [29] [30] 17,18 (S5c) (S5b) [23] * 0.118 N . m (1.2 kgf . cm) Fig.M5 Fig.M7 21,22 36,37 38,39 (S6b) Catcher (S8) (S8) [25] [28] [37] [27] 25,26 (S6b) 27,28,29 (W8a) (S6b) (S6b)
  • Page 96 2.2.4 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE NOTE: Pay careful attention to the installing order and phase of mechanism parts of the loading system. [37] LOADING RING ASSEMBLY Align the two holes of the LOADING RING ASSEMBLY to those of MAIN DECK. [35] LOADING GEAR(T) ASSEMBLY Align the hole of the LOADING GEAR (T) ASSEMBLY to that of the MAIN...
  • Page 97 2.2.5 SERVISE NOTE Use the following chart to manage screws. Fig.2-2-7 2-28 (No.86700)
  • Page 98 2.2.6 REMARKS 2.2.6.1 Cleaning (1) For cleaning of the upper drum (particularly video heads), use fine-woven cotton cloth with alcohol soaks through. Do not move the cloth but turn the upper drum counterclock- wise. NOTE: Make sure not to move the cloth in the vertical direction to the video head, since it may cause damage of the video heads.
  • Page 99 VHS MECHANISM 2.3.1 Notes 2.3.3 Setting the mechanism assembling mode This model’s mechanism relates closely to the rotary encoder The mechanism-assembling mode is provided with this mecha- and system control circuit (the rotary encoder is meshed with the nism. When disassembling and assembling, it is required to en- control cam).
  • Page 100 2.3.4 Layout of the main mechanism parts Pole base assy T4 Main brake assy T3 A/C head (take-up Side) (take-up side) Pinch roller arm assy Full erase head Lid guide Pole base assy (supply side) T7 Guide arm assy T8 Brake lever Tension arm assy T9 Drive lever Tension arm base...
  • Page 101 2.3.5 Disassembling procedure table This table shows the order of parts removal when replacing each part. For replacement, remove the parts in the order of 1 to 13 shown in the table and install the parts in the reverse order. The symbol number before each part name shows the number in the figure “Layout of the main mechanism parts”.
  • Page 102 2.3.6 REPLACEMENT OF THE MAIN MECHANISM PARTS 2.3.6.1.3 Disassembling (1) Release hook (a) to remove the earth spring (1) from the 2.3.6.1 Cassette holder top frame. 2.3.6.1.1 Removal (2) Release the catches (a) and (b) and pull the top frame in (1) Remove the screws (a) and (b).
  • Page 103 2.3.6.2 A/C head Screw (b) 2.3.6.2.1 Removal (1) Remove screws (a) and (b). SIDE FRAME(R) (2) Remove the A/C head together with the head base. (3) Remove the screws (c), (d) and (e) to remove the spring (a) and the A/C head from the Head base. Screw (e) Section (a) Screw (c)
  • Page 104 2.3.6.3 Guide arm, pinch roller arm 2.3.6.4 Idler arm, idler gear 1/2 2.3.6.3.1 Removal 2.3.6.4.1 Removal (1) Remove the spring (a) from the hook (a) and detach the (1) Release the catches (a) and (b) to detach the idler arm. guide arm assembly.
  • Page 105 2.3.6.6 Press lever, control cam, capstan brake assembly, loading motor assembly 2.3.6.6.1 Removal Tension arm assembly Spring (b) Main brake (T) assembly Catch (d) (1) Remove the slit washer (a) to detach the press lever. Catch (c) Section (b) Spring (a) (2) Release the slit washer (b) to detach the control cam.
  • Page 106 2.3.6.6.2 Installation (phase adjustment) (1) Attach the loading motor assembly to the main deck. Wire (red) Wire (black) (2) Secure the screw (a). (3) Solder the wire to section (a). Section (a) (4) Arrange the wire along with the position guide (b). (5) Attach the capstan brake assembly to the main deck.
  • Page 107 Note: Screws (a) • When replacing the worm bearing of the loading motor assembly, attach it according to the following specifi- cation. If worm bearing is not attached correctly, a mechanism noise may occur. (See Fig. 2-3-18) LOADING MOTOR WORM BEARING 6.8 ±...
  • Page 108 2.3.6.7.2 Installation (phase adjustment) 2.3.6.8 Clutch unit assembly, direct gear (1) Place the main deck on the guide hole (a) of the tension 2.3.6.8.1 Removal arm lever. (1) Remove the slit washer (a) to detach the clutch unit assem- (2) Place the main deck on the guide hole (b) of the brake le- bly.
  • Page 109 2.3.7 MECHANISM TIMING CHART REEL MECHANISM MODE SERCH SLOW EJECT PLAY STOP BRAKE /REW /SLOW /STILL /STILL CONTROL PLATE B FR MARK POLE BASE LOCK REEL LOCK FREE TENSION ARM PLAY TENSION STOP FF/REW ARM LEVER (STOP MODE PRESS UP) BRAKE LEVER GUIDE ARM...
  • Page 110 2.3.8 REMARKS 2.3.8.1 Cleaning (1) For cleaning of the upper drum (particularly video heads), use fine-woven cotton cloth with alcohol soaks through. Do not move the cloth but turn the upper drum counterclock- wise. NOTE: Make sure not to move the cloth in the vertical direction to the video head, since it may cause damage of the video heads.
  • Page 111 VICTOR COMPANY OF JAPAN, LIMITED AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.86700) Printed in Japan 200304WPC...
  • Page 112 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 PACKING AND ACCESSORY ASSEMBLY <M1>...
  • Page 113 1.2 FINAL ASSEMBLY <M2> RATING LABEL 106A MECHANISM 106A ASSEMBLY<M3> 106A PREMDA BOARD ASSEMBLY<05> 301C 301D 301C 301C 301D 301C 301C 301A CCD BOARD ASSEMBLY<04> 103D 301C 301C 301B 103B 103D 301E 103D 103A 103C 108B 107A 107A 107B 3-2(No.YF008)
  • Page 114 REAR SIDE BOTTOM SIDE TOP SIDE MAIN BOARD ASSEMBLY<01> (No.YF008)3-3...
  • Page 115 MONITOR 604H ASSEMBLY<M5> 604F 604H 604G 604E 604E 604H 604H MONI-C BOARD ASSEMBLY<02> 604A 604J VF(COLOR) 604B ASSEMBLY<M4> 604C 604D 604D WITHOUT WITH MEMORY CARD MEMORY CARD 506K 506K 506E 506D 506H 506B 506G 506G 506J 506A 506C 506F 503C 503D 502B 503D...
  • Page 116 1.3 MECHANISM ASSEMBLY <M3> 900A YMA0029P YMA0029T Classification Part No. Symbol in drawing NOTE1: The section marked in AA, BB and CC Grease KYODO-SH-JB indicate lubrication and greasing areas. YTU94027 NOTE2: Mark is not contained in 900A. Grease (HANARL) RX-410R (No.YF008)3-5...
  • Page 117 1.4 VF (COLOR) ASSEMBLY <M4> C-VF BOARD ASSEMBLY<07> S TYPE 703B K TYPE 703A 3-6(No.YF008)
  • Page 118 1.5 MONITOR ASSEMBLY <M5> 802F BL2.5 BOARD 802D 802B ASSEMBLY<03> 802C 802A 802E 802E 809D 809B 809A 809D 809C 805A (No.YF008)3-7...
  • Page 119 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY 2. PARTS LIST FINAL ASSEMBLY <M2> PACKING AND ACCESSORY ASSEMBLY <M1>  Symbol No. Part No. Part Name Description Local ...
  • Page 120 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No. Part No. Part Name Description Local UPPER ASSEMBLY <M2> LY30031-003A SPECIAL SCREW POW-CAS  Symbol No.
  • Page 121 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY VF(COLOR) ASSEMBLY <M4> [S TYPE]  Symbol No. Part No. Part Name Description Local NOTE : There are two types of VF(COLOR) ASSEMBLY used for this model:...
  • Page 122 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local IC1101...
  • Page 123 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C1020...
  • Page 124 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C3230...
  • Page 125 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local C6606...
  • Page 126 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R2203...
  • Page 127 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R4805...
  • Page 128 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R8042...
  • Page 129 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local Q7602 or BC857BT-X...
  • Page 130 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 131 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No. Part No. Part Name Description Local PREMDA BOARD ASSEMBLY <05>  Symbol No. Part No. Part Name...
  • Page 132 MODEL MARK MODEL MARK MODEL MARK MODEL MARK GR-D23EK GR-D33EK GR-D53EZ GR-D73EZ GR-D23EX GR-D53EK GR-D73EK GR-D23EY GR-D53EX GR-D73EX GR-D23EZ GR-D53EY GR-D73EY  Symbol No.  Symbol No. Part No. Part Name Description Local Part No. Part Name Description Local R1610...

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