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JVC GR-DF420EK Service Manual
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JVC GR-DF420EK Service Manual

JVC GR-DF420EK Service Manual

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SERVICE MANUAL
3
2005
YF087
GR-DF420EK, GR-DF420EX,
GR-DF420EY, GR-DF420EZ,
GR-DF425EK, GR-DF425EG,
GR-DF430EK, GR-DF460EK,
GR-DF470EK, GR-DF470EX,
GR-DF470EY, GR-DF470EZ
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 © 2005 Victor Company of Japan, Limited
GR-DF420EKM, GR-DF420EXM, GR-DF420EYM, GR-DF420EZM,
GR-DF425EKM, GR-DF425EGM[M5D5S2] ,
GR-DF430EKM[M5D5S3],GR-DF460EKM[M5D5S6],
GR-DF470EKM, GR-DF470EXM GR-DF470EYM, GR-DF470EZM[M5D5S7]
No.YF087
2005/3

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Summary of Contents for JVC GR-DF420EK

  • Page 1 SERVICE MANUAL DIGITAL VIDEO CAMERA YF087 2005 GR-DF420EK, GR-DF420EX, GR-DF420EY, GR-DF420EZ, GR-DF425EK, GR-DF425EG, GR-DF430EK, GR-DF460EK, GR-DF470EK, GR-DF470EX, GR-DF470EY, GR-DF470EZ GR-DF420EKM, GR-DF420EXM, GR-DF420EYM, GR-DF420EZM, GR-DF425EKM, GR-DF425EGM[M5D5S2] , GR-DF430EKM[M5D5S3],GR-DF460EKM[M5D5S6], GR-DF470EKM, GR-DF470EXM GR-DF470EYM, GR-DF470EZM[M5D5S7] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY).
  • 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. 3.2 W(3.5W*)(LCD monitor off, viewfinder on) Approx. 4.2W (4.5W*)(LCD monitor on, viewfinder off) * Using LED Light (LED Light model only) Dimensions (W ×...
  • 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 DIFFERENCE LIST The following table indicate main different points between models GR-DF420EK, GR-DF420EX, GR-DF420EY, GR-DF420EZ, GR-DF425EK, GR-DF425EG, GR-DF430EK,GR-DF460EK, GR-DF470EK, GR-DF470EX, GR-DF470EY AND GR-DF470EZ. MODEL NAME GR-DF420EK GR-DF420EX GR-DF420EY GR-DF420EZ LED LIGHT MEMORY CARD USB TERMINAL...
  • Page 6 SECTION 3 DISASSEMBLY BEFORE ASSEMBLY AND DISASSEMBLY 3.1.4 Tools required for disassembly and assembly 3.1.1 Precautions Torque driver Tweezers YTU94088 • Be sure to disconnect the power supply unit prior to mounting YTU94088-003 P-895 and soldering of parts. • 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 NOTE11b: STEP Fig. During the procedure, leave the CASSETTE COVER (C. POINT NOTE PART COVER) open. COVER(JIG CON) S1a,S1b,JACK COVER(DV) NOTE1a,b,c NOTE11c: COVER(TOP) ASSY S2,L2 When disassembling, be careful in handling the JACK COV- SHOE 3(S3) ER (MIC) as it comes off together.
  • Page 8 <NOTE1b> <BOTTOM VIEW> (S3) NOTE1a JACK (S3) (S3) COVER (S4) (DV) (S1b) (S1a) (S1b) NOTE1b (S4) (S2) JACK COVER(DV) NOTE4 CASSETTE COVER (S4) (S4) NOTE1c (S4) (S4) Fig.FA1 Fig.FA2 <BOTTOM VIEW> <NOTE5> JACK (S5a) (S5a) COVER(DC) (S5b) (S5a) NOTE5 (S5c) (S5c) (S5b) (S5d)
  • Page 9 NOTE6a NOTE6b (S6a) (S6a) (S7) <BOTTOM VIEW> <WIRING> (S7) (S6b) NOTE7 (S6b) (FRONT) (S6b) NOTE6b (S6b) WIRE(MIC) Fig.FA4 NOTE8 (S8a) (S8b) (S8c) (S8c) Fig.FA5 (No.YF087)1-9...
  • Page 10 CN9b NOTE11a GRIP BELT CN9a [12] L12b NOTE11b [11] L12a CN9b (S12) (S11a) (S11b) CN9a JACK COVER(MIC) NOTE11c EJECT SW (S11a) NOTE12 (S11a) (S9) (S9) Fig.FA6 Fig.FA8 <NOTE13b> <NOTE10c> CN13b SENSOR FPC WIRE [10] L13b [13] (S10) CN10b (S10) CN13a L13c (S10) HEAT SINK1...
  • Page 11 [15] NOTE15 BKT(MECHA) ASSY (S15b) (S15b) CN14d (S15b) (S15a) [14] (S14) BKT(PRE-REC) (S14) CN14a CN14b CN14c : 0.059N m (0.6kgf cm) Fig.FA10-1 <NOTE15> LOADING MOTOR <WIRING> Fig.FA10-2 (No.YF087)1-11...
  • Page 12 3.2.3 DISASSEMBLY of [8] UPPER ASSEMBLY [16] Removing VF ASSEMBLY (1) Remove the FPC from the connector (CN8a). [17] (2) Remove the three screws (1-3), and remove the VF AS- (S8c) SEMBLY. (S8c) NOTE8a: During the procedure, be careful not to break the FPC. [17] Removing MONITOR ASSEMBLY (1) Remove the screw (4).
  • Page 13 3.2.4 DISASSEMBLY of [9] OP BLOCK ASSMBLY/CCD BOARD ASSEMBLY CAUTIONS SEMBLY. Instead, replace the whole CCD BASE AS- (1) During the procedure, be careful in handling the CCD SEMBLY. IMAGE SENSOR, OP LPF, and lens components. NOTE9c: Pay special attention not to soil, dust, or scratch the sur- Since the OP LPF is inside the LPF HOLDER and the faces OP LPF is attached to the LPF HOLDER by using the...
  • Page 14 3.2.5 DISASSMBLY of [16] VF ASSEMBLY Before disassembly As the VF ASSEMBLY has complicated structure, do not dis- NOTE16a,b assemble if not needed. GUIDE(VF) Inside the VF is divided into two units: LCD ASSEMBY / LENS ASSEMBY, and each unit is made up of several parts. Disas- (S16a) semble the VF ASSEMBLY if necessary.
  • Page 15 NOTE16d KNOB(ADJ) <LCD ASSY> <NOTE16d,e> CASE (UPPER) CASE(B.LIGHT) NOTE16d NOTE16h LENS ASSY SHEET(DIFF.) NOTE16g LCD ASSY L16p NOTE16h SHEET(POLA.1) COVER L16q (LENS) CN16a CUSHION(LCD) VF BOARD ASSY L16k NOTE16f CASE(LOWER) NOTE16h LCD MODULE L16m L16n Fig.VF3 GUIDE(LCD) HOLDER(LCD) L16u L16s L16t L16r NOTE16h...
  • Page 16 3.2.6 DISASSEMBLY of [17] MONITOR ASSEMBLY <NOTE17a> <NOTE17c> L17c Disassembly of MONITOR ASSEMBLY L17d (1) Remove the three screws (1-4), and remove the MONI- TOR COVER ASSEMBLY by disengaging the five hooks (L17a-e). NOTE17a: When removing, be careful not to damage the hooks. L17a L17b (2) Pull out the U/D SWITCH BOARD from the MONITOR...
  • Page 17 SECTION 4 ADJUSTMENT PREPARATION 4.1.3 TOOLS REQUIRED FOR ADJUSTMENT 4.1.1 Precaution Chip IC Replacement Jig Cleaning Cloth Guide Driver (Hexagonal) Camera system and deck system of this model are specially PTS40844-2 KSMM-01 D-770-1.27 adjusted by using PC. However, if parts such as the following are replaced, an adjustment is required.
  • Page 18 tus without the exterior parts or for using commodities that are JIG CONNECTOR CABLE CONNECTION not yet conformable to the interchangeable ring. For the usage Connection procedure of the INF lens holder, refer to the Service Bulletin No. YA-SB- 10035. •...
  • Page 19 Jig connector diagrams MECHANISM COMPATIBILITY ADJUSTMENT 4.3.1 Tape pattern adjustment JIG CONNECTOR CABLE (YTU93106C) NOTE: Prior to the adjustment, remove the COVER (ADJ). MAIN CN113 (1) Play back the compatibility adjustment tape. (2) While triggering the HID, observe the waveform of EXMOD_1 NOTE: SYS_TMS...
  • Page 20 SECTION 5 TROUBLE SHOOTING SERVICE NOTE 1-20 (No.YF087)
  • 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 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF087) Printed in Japan...
  • Page 23 SCHEMATIC DIAGRAMS DIGITAL VIDEO CAMERA YF087 2005 GR-DF420EK, GR-DF420EX, GR-DF420EY, GR-DF420EZ, GR-DF425EK, GR-DF425EG, GR-DF430EK, GR-DF460EK, GR-DF470EK, GR-DF470EX, GR-DF470EY, GR-DF470EZ CD-ROM No.SML200503 GR-DF420EKM, GR-DF420EXM, GR-DF420EYM, GR-DF420EZM, GR-DF425EKM, GR-DF425EGM[M5D5S2] , GR-DF430EKM[M5D5S3],GR-DF460EKM[M5D5S6], GR-DF470EKM, GR-DF470EXM GR-DF470EYM, GR-DF470EZM[M5D5S7] No.YF087 SCH COPYRIGHT © 2005 Victor Company of Japan, Limited...
  • Page 24 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 25 BOARD INTERCONNECTION YTU94128A-4 J101 TO USB CN114 INT/L TO CN103 INT_GND TO REG INT_GND 14 13 12 11 10 REG_3.1V PARA TO DSC INT/R OP BLOCK TO CN107 A[13-16] A[13-16] (Page2-28) REG_4.8V EXT/R D[0-15] D[0-15] EXT/L DOLRCK2 TO SYSCON TO CN114 TO CN112 TO AUDIO USB_CS...
  • Page 26 MAIN(MAIN IF) SCHEMATIC DIAGRAM TO MDA(CN305) QGF0528F1-30X CN104 CN103 MAIN(MAIN IF) QGF0528F1-40X V_OUT P_DET AU_SIG/L AU_SIG/R ADP_L ADP_DC ADP_DC ADP_DC ADP_DC ADP_DC ADP_DC BATT_CHK BATT_+ BATT_+ BATT_+ BATT_+ BATT_+ BATT_+ BATT_+ T_BATT D_BATT CN107 QGF0530F3-16W IR_OUT IR_RMC REG_4.8V EXT/R EXT/L EM_DET_L MMC_CS MMC_DIN...
  • Page 27 MAIN(SYSCON) SCHEMATIC DIAGRAM MAIN(SYSCON) R1018 C1045 AL_3.1V 100K 0.01 IC1002 IC1003 TO REG LIT_3V BU3095-0FFV-X SN74AHC1G00DC-X IC1005 TO CN113 AL_3VSYS VOI_CLK SCLK OSD_HD L1001 10µ RTC_CS M95320-WDW6-X TO VIDEO X1002 OSD_CS AL_3.1V REGRTC_CLK NAX0564-001X OSD_VD TO PARAGON,VIDEO R1019 VOI_OUT TO REG 100K REGRTC_OUT DATA...
  • Page 28 MAIN(AUDIO) SCHEMATIC DIAGRAM MAIN(AUDIO) L2401 Q2401 Q2403 REG_4.8V 2SC4617/RS/-X 2SC4617/RS/-X TO REG REG_3.1V R2401 R2402 4.7k 4.7k C2402 C2404 10/6.3 C2401 OPEN R2403 10/6.3 10/6.3 R2408 R2202 560k EXT/R TO CN107 EXT/L Q2201 DTC144EE-X TO CN107,SYSCON EM_DET_L S_SHUT TO PARAGON C2653 C2654 R2231...
  • Page 29 MAIN(PARAGON) SCHEMATIC DIAGRAM TO USB MAIN(PARAGON) TO CDS/TG HDIN HDIN VDIN VDIN CPOB CPOB PBLK PBLK CLKI CLKI TO REG REG_1.7V L3001 REG_2.5V C3002 C3077 C3001 OPEN 10/6.3 REG_3.1V REG_4.8V L3002 C3004 C3003 NQR0006-001X 10/6.3 TO CDS/TG ADIN9 L3003 DYI3 ADIN9 C3006 C3005...
  • Page 30 MAIN(VIDEO) SCHEMATIC DIAGRAM L3701 R3738 C3734 Q3733 R3734 10/6.3 R3736 BC847PN-X 8.2k C3701 MAIN(VIDEO) C3732 0.001 C3739 0.01 L3731 R3733 6.8u TO PARAGON R3737 R3735 C3735 C3733 1.8k Q3731 DCO0 2SC4617/RS/-X DCO1 R3739 C3738 C3736 DCO2 0.01 R3741 0.001 R3732 R3740 DCO3 DYO0...
  • Page 31 MAIN(PRE/REC) SCHEMATIC DIAGRAM MAIN(PRE/REC) TO SYSCON HID3 TO CN113 SYSCON RECH SYSCON MONI_CHG TL3501 C3531 R3513 R3515 Q3501 TO CN113 2SA2029/QRS/-X C3532 ENV_OUT ATFI C3533 R3514 0.01 PB_OUT LOGIC C3517 HEAD_GND OPEN Dumping C3527 DC Servo OPEN AGC_IN R3509 C3518 OPEN 0.01 AGC_CTL...
  • Page 32 MAIN(CDS/TG) SCHEMATIC DIAGRAM MAIN(CDS/TG) TO PARAGON VDIN HDIN X5501 NAX0745-001X (54MHZ_CXO) CPOB PBLK CLKI C5506 C5507 C5505 L5508 NQR0129-002X IC4202 MM1613AN-X C5520 (3.0V REG) CLK13/CL Vdd5 TO CCD(CN5001) R4208 OPEN TEST R5509 CAM/VTR CN101 QGF0546C1-20W CLK18/MCK L5507 CCD_CTL Vss4 10µ L4202 C4217 C4203...
  • Page 33 MAIN(OP DRV) SCHEMATIC DIAGRAM IC4901 DSC JCY0214-X NON DSC JCY0215-X MAIN(OP DRV) C4909 C4910 R4904 0.01 OPEN L4902 R4901 R4908 4.7k NQL38DK-100X C4907 C4906 C4908 R4905 C4904 10/6.3 R4910 R4906 680k C4911 R4902 L4901 R4911 NQR0129-002X R4903 8.2k OPEN C4902 10/6.3 46 TEST0 MONI...
  • Page 34 MAIN(REG) SCHEMATIC DIAGRAM TO SYSCON REGRTC_OUT MAIN(REG) REGRTC_CLK REG_CS SYS_RSTL R6001 TO CN103 BATT_CHK TO SYSCON,CN113 BATT_+ R6008 I_MTR _0.5% D6702 RB160M-30-X L6701 TO SYSCON 39µ Q6701 Q6702 R6013 R6702 SSM3J14T-X NQL52EM-390X RTF020P02-X V_BATT OPEN 0.25W L6001 R6009 NRV142F-R20X 4.7µ R6701 0Ω...
  • Page 35 MAIN(DSC) SCHEMATIC DIAGRAM MAIN(DSC) L8005 TO REG TO SYSCON NQR0129-002X REG_3.1V FLSH_RST C8022 DSC_RST REG_4.8V 10/6.3 DSC_CLK DSC_DT_OUT C8023 DSC_DT_IN C8024 DSC_CS MXDT_OUT DSC_STS CAPT_REQ IC8005 DSC_WKUP BH18FB1WG-W 1.8V R8025 R8023 4.7k 4.7k MMC_CLK VOUT MMC_DOUT MMC_DIN CN103 C8028 STBY MMC_CS TO CN103 C8029...
  • Page 36 MAIN(USB) SCHEMATIC DIAGRAM MAIN(USB) RA8606 RA8605 TO PARAGON EXTDATA7 EXTDATA7 EXTDATA6 EXTDATA6 EXTDATA5 EXTDATA5 EXTDATA4 EXTDATA4 EXTDATA3 EXTDATA3 EXTDATA2 EXTDATA2 EXTDATA1 EXTDATA1 EXTDATA0 EXTDATA0 EXTFRP EXTFRP EXTACCES EXTACCES EXTREQ 92 EXTD11 EPIA1 EXTREQ EXTCLK 32 EXTD12 EPIA0 EXTCLK 66 EXTD13 EPID15 33 EXTD14 EPID14...
  • Page 37 CCD SCHEMATIC DIAGRAM MAIN(REEL) SCHEMATIC DIAGRAM TO MAIN IF(CN101) MAIN(REEL) CN5001 QGF0517F2-20X Q5001 2SC3931/CD/-X NQL382M-100X L1701 TO REG REG_3.1V CCD_OUT R1711 R1712 TO SYSCON S_REEL T_REEL CCD_-7.5V IC5001 ICX440UKM-V CCD_-7.5V (Top View) (1/6 Inch_CCD) R1702 2.2K R1710 R1701 CCD_15V 120K CCD_15V C5002 R1703...
  • Page 38 MDA SCHEMATIC DIAGRAM TL1612 TO MAIN IF(CN104) NQL382M-100X NMFZ007-R50X-K CN305 L1601 F1602 REG_3.1V M_UNREG F1601 C_FRB NMFZ007-R20X-K CAP_FG TL1606 MDA_PS DRUM_PG DRUM_FG TL1619 LD_ON L_FRB CAP_ERF DEW_SENS R1620 R1621 R1629 TL1601 DRUM_REF 560K D1604 C1631 CAM_SW_A DAP222-X 10/6.3 TL1602 CAM_SW_B CAM_SW_C CAP_ERR CAP_PWR...
  • Page 39 REAR SCHEMATIC DIAGRAM REAR D504 MA8068-X D501 EMZ6.8N-X DC JACK V_OUT ADP_DC D_BATT P_DET AU_SIG/L ADP_L AU_SIG/R MA8068-X T_BATT D502 ADP_L BATT_+ QNA0039-001 ADP_DC J501 BATT_+ ADP_DC OPEN C506 ADP_DC BATT_CHK BATTERY TERM ADP_DC ADP_DC 0.01 0.01 OPEN OPEN AV JACK C503 C501 C502...
  • Page 40 FRONT SCHEMATIC DIAGRAM MONI.OPE(MONI.OPE) SCHEMATIC DIAGRAM MONI.OPE(MONI.OPE) S601 NSW0099-001X S602 NSW0161-001X FRONT TO CN601 MONI_SW D602 MA8068-X P_MEDIA MENU_SW L401 R402 R401 NQR0265-001X 1.5k IC401 RPM7138-SV4 R601 R602 3.3k 6.8k IR_SENSOR Q401 MENU_SW C402 E-MAIL INDEX SELECT STORE BIPHONIC INFO C401 RPM22PB 10/6.3...
  • Page 41 MONI.OPE(MONITOR) SCHEMATIC DIAGRAM TO VF SW CN603 VF_SW MONI. C7817 C7816 VFREG4.8 (MONITOR) 1500P VF_9V VF_SLEEP 10 VCK 11 HST 12 HCK2 13 HCK1 14 CVF_B 15 CVF_G 16 CVF_R 37 VSS R7806 38 LOAD HCK1 39 SCLK CPH2 R7805 TO MAIN IF 40 SDATA (CN105)
  • Page 42 MONI.BL SCHEMATIC DIAGRAM TO 2.5"LCD MODULE MONI.BL CN703 JP7704 C7751 0.047 JP7705 TO IC7701 ADJ0 DN8797MS-X L7751 JP7706 10µ ADJ1 C7752 PVDD 470p C7754 C7753 10/6.3 0.01 PGND R7757 R7758 R7759 SIG_GND SIG_GND SIG_GND SIG_GND VSYNC VCOM_M HSYNC REG_3.1V DFRP C7755 REG_3.1V AGND...
  • Page 43 VF SCHEMATIC DIAGRAM 0.33"LCD MODULE TO MONI.OPE R7104 CN7102 (CN603) CN7101 VCOM CVF_R VIDR R7105 CVF_G VIDG CVF_B VIDB HCK1 HCK1 HCK2 HCK2 R7106 VREF R7107 4.7k R7108 10k VF_SLEEP VF_9V R7109 10k VFREG4.8 SLEEP C7102 C7101 C7103 C7104 C7105 100p 100p OPEN...
  • Page 44 MAIN CIRCUIT BOARD <01>MAIN FOIL SIDE(B) LYB10029-001B C6506 TL8010 C6508 TL8011 X8601 C6505 TL8012 TL8611 L6502 TL8614 Q6504 TL8013 D6501 TL8612 C6502 R8603 C8622 R8618 C8621 TL8604 C8007 C8003 C8013 R8055 TL8014 Q6101 IC8003 TL8006 C6501 C8010 L8603 IC8601 R8012 R8031 TL8605 R8035...
  • Page 45 MAIN CIRCUIT BOARD 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. COMPONENT SIDE(A) LYB10029-001B CN113...
  • Page 46 CCD, MDA, FRONT, REAR, MONI.OPE, MONI.BL, VF 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. <02>CCD <04>FRONT <05>REAR...
  • Page 47 POWER SYSTEM BLOCK DIAGRAM NOTE: There are circuits or functions that are not used according to the models. Please check with the Parts List. REAR MAIN CN101 CN5001 CDS/TG CCD-7.5V BATTERY TERM. CN501 CN103 T_BATT T_BATT REG-CCD CCD-7.5V ADP_L REG_15V IC5001 ADP_L CCD_15V...
  • Page 48 VIDEO SYSTEM BLOCK DIAGRAM NOTE: There are circuits or functions that are not used according to the models. Please check with the Parts List. MAIN CN5001 CN101 CCD_OUT IC5001 OP BLOCK CN109 HEAD ( CCD Image sensor ) REC_DATA IC4201 ADIN (0~9) IC3501 ATFI...
  • Page 49 VOLTAGE CHARTS <MAIN> <MDA> <FRONT> <MONI.OPE> <MONITOR BL> <VF> <CCD> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO.
  • Page 50 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF087) Printed in Japan...
  • Page 51 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 52 CCD BOARD ASSEMBLY <02> 601C 601F 601E 601E 601D 601B 601D 601D 601A 601D MDA BOARD ASSEMBLY <03> MAIN BOARD ASSEMBLY <01> UPPER ASSEMBLY 106A 117 117 106C 106C 106C 106B 106B 106B 3-2(No.YF087)
  • Page 53 301E 301F 301AF 301U 301G 301R 301K 301P 301AE 301J 301B 301C 301H 301T 301Q 301AD 301D 301T 301AC 301AB 301X 301W 301V 301S 301V 301AA 301S 301S 301A 301N 301M 301L 301Y 301Z FRONT BOARD ASSEMBLY <04> 327A (No.YF087)3-3...
  • Page 54 513A MONI BL BOARD ASSEMBLY <07> 514A 514B 507A 507A 515B 515B 515A MONI OPE BOARD ASSEMBLY <06> 529 529 3-4(No.YF087)
  • Page 55 1.2 MECHANISM ASSEMBLY<M2> 900A YMA0029AB YMA0029BU 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 JVS-306U (No.YF087)3-5...
  • Page 56 1.3 VF(COLOR) ASSEMBLY <M3> VF BOARD ASSEMBLY <08> 3-6(No.YF087)
  • Page 57 1.5 PACKING AND ACCESSORY ASSEMBLY <M5> FINAL ASSEMBLY <M1> LABEL (SERIAL) (No.YF087)3-7...
  • Page 58 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ 2. PARTS LIST  Symbol No. Part No. Part Name Description Local FINAL ASSEMBLY <M1>  Symbol No. Part No. Part Name...
  • Page 59 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local LY44965-001B SHIELD(LAMP) YQ43893 MINI SCREW...
  • Page 60 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local  003 LYT1393-009A INST BOOK(SW)
  • Page 61 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q1007 or UN9212J-X DIGI TRANSISTOR...
  • Page 62 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C2228 NRSA6AJ-0R0W MG RESISTOR 0Ω...
  • Page 63 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C3745 NDCA1HJ-330W C CAPACITOR...
  • Page 64 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C8624 NCJA0JK-105W-A C CAPACITOR 1uF 6.3V K H,J,K,L,M...
  • Page 65 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2619 NRSA6AJ-332W MG RESISTOR 3.3kΩ...
  • Page 66 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R4951 NRSA6AJ-102W MG RESISTOR 1kΩ...
  • Page 67 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local L3503 NQR0006-001X FERRITE BEADS...
  • Page 68 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local CN301 QGF0530F3-18W CONNECTOR CAPSTAN FFC/FPC (1-18)
  • Page 69 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C7838 NCB20JK-475X C CAPACITOR 4.7uF 6.3V K...
  • Page 70 MODEL MARK MODEL MARK MODEL MARK GR-DF420EK GR-DF425EK GR-DF470EK GR-DF420EX GR-DF425EG GR-DF470EX GR-DF420EY GR-DF430EK GR-DF470EY GR-DF420EZ GR-DF460EK GR-DF470EZ  Symbol No. Part No. Part Name Description Local C7101 NCB31CK-104X C CAPACITOR 0.1uF 16V K C7102 NCB31CK-104X C CAPACITOR 0.1uF 16V K...
  • Page 71 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 72 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 73 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 74 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 75 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 76 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 77 [ 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 78 < 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 79 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 80 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 81 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 82 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 83 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 84 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 85 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 86 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 87 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 88 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 89 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 90 [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 91 2.1.9 SERVICE NOTE Use the following chart to manage screws. Fig.2-1-31 (No.86700)2-19...
  • Page 92 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 93 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 94 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 95 [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 96 <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 97 (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 98 (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 99 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 100 2.2.5 SERVISE NOTE Use the following chart to manage screws. Fig.2-2-7 2-28 (No.86700)
  • Page 101 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 102 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 103 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 104 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 105 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 106 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 107 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 108 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 109 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 110 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 111 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 112 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 113 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 114 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 115 SECTION 3 PARTS LIST DVC MECHANISM ASSEMBLY 400/900 900A 401/901 402/902 404/904 402/902 410/910 410/977 403/903 408/908 413/913 409/909 Classification Part No. Symbol in drawing 414/914 Grease KYODO-SH-JB 478/978 405/905 YTU94027 415/915 412/912 Grease (HANARL) RX-410R 413/913 NOTE1: The section marked in AA, BB and CC indicate lubrication and greasing areas.
  • Page 116 3.1.1 DVC MECHANISM ASSEMBLY PART LIST • Since parts numbers described here are the numbers at the time of manualissue, they are subject to change without notice. There- fore, be sure to see a parts list in the service manual of each model as for parts numbers. •...
  • Page 117 Symbol Symbol Part Name Part No. Part No. Part No. Part No. Patr No. ← ← ← ← MINI SCREW,X2 YQ43893 ← ← ← ← MINI SCREW LY43023-001A ← ← ← PAD ARM ASSY LY31533-001E LYH30419-001A ← ← ← ← SLIT WASHER YQ44246 ←...
  • Page 118 VHS-C MECHANISM ASSEMBLY 469A 469B 469B 439A 429A 406B 406A Classification Part No. Symbol in drawing NOTE:The section marked in AA and BB indicate Grease KYODO-SH-JB lubrication and greasing areas. YTU94027 Fig.3-2-1 3-4 (No.86700)
  • Page 119 3.2.1 VHS-C MECHANISM ASSEMBLY PARTS LIST • Since parts numbers described here are the numbers at the time of manualissue, they are subject to change without notice. There- fore, be sure to see a parts list in the service manual of each model as for parts numbers. Symbol Part Name Part No.
  • Page 120 Symbol Part Name Part No. Part No. Part No. Part No. Part No. ← ← ← ← SCREW,X2 LY42722-002A ← ← ← ← SUPPLY CLUTCH ASSY LY42670-001A ← ← ← ← SLIT WASHER LY42754-003A ← ← ← ← REEL DISC YQ31861-1-7 ←...
  • Page 121 VHS MECHANISM ASSEMBLY A/C HEAD BOARD ASSY [1][2] Classifi- Symbol in Part No. LOADING MOTOR drawing cation BOARD ASSY [5][5] Grease KYODO-SH-JB NOTE: The section marked in AA and BB COSMO-HV56 indicate lubrication and greasing areas. Fig.3-3-1 (No.86700)3-7...
  • Page 122 3.3.1 VHS MECHANISM ASSEMBLY PARTS LIST • Since parts numbers described here are the numbers at the time of manualissue, they are subject to change without notice. There- fore, be sure to see a parts list in the service manual of each model as for parts numbers. System S-VHS **Job No.
  • Page 123 System S-VHS **Job No. V15D Series V16D Series V15S Series V16S Series Symbol Part Name Part No. Part No. Part No. Part No. ← ← CONTROL PLATE LP10400-001H LP10400-001J ← ← ← TORTION SPRING LP40843-001A ← ← ← TENSION ARM ASSY LP40818-001B TENSION SPRING LP40844-001C...
  • Page 124 System S-VHS **Job No. V15D Series V16D Series V15S Series V16S Series Symbol Part Name Part No. Part No. Part No. Part No. ← ← ← R.SAFETY LEVER LP21051-002C TOP FRAME LP21052-001F LP21052-001J LP21052-001H LP21052-001J SPACER LP30002-0A7A LP30002-0A7A ← ← ←...

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