JVC SR-MV50US Service Manual
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JVC SR-MV50US Service Manual

Dvd video recorder & video cassette recorder
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SERVICE MANUAL
DVD VIDEO RECORDER & VIDEO CASSETTE RECORDER
YD045
1
2005
CABLE/DBS
TV
DVD
TV/CBL/DBS
VCR
DVD
VCR
/DVD
TIMER
TIMER
/DVD
NUMBER / TV CH / DVD CH
NUMBER / TV CH / DVD CH
1
2
3
ABC
DEF
4
5
6
GHI
JKL
MNO
7
8
9
PQRS
TUV
WXYZ
0
CANCEL
AUX
MEMO/MARK
PROG/CHECK DISPLAY ON SCREEN
VCR PLUS +
PROGRESSIVE
SCAN
ENTER
PREVIOUS
NEXT
SLOW
PLAY/SELECT
SLOW
STOP/
CLEAR
PAUSE
REMAIN
REC
OPERATE
REC MODE
ANGLE
SUBTITLE
LIVE CHECK
T V
CH
TBC
VOL.
TV/VCR
AUDIO
TV/DVD
TV/CBL/DVD
TV
S-VIDEO
IN F-1
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY).
Regarding service information other than these sections, refer to the service manual No. YD006 (DR-MV1SUS).
Also, be sure to note important safety precautions provided in the service manual.
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
SR-MV50US
EJECT
VCR
REC
TBC
DUBB
VIDEO (MONO)L - AUDIO - R
-
CH
+

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
EJECT
VCR/DVD
REC MODE
VCR
DVD
DUBB
VCR
DVD
DVD
REC
STOP
REW
PLAY
FF
PAUSE
REC
DV IN
SR-MV50US [D3RS29]
No.YD045
2005/1

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  • Page 1: Table Of Contents

    – DV IN IN F-1 SR-MV50US [D3RS29] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). Regarding service information other than these sections, refer to the service manual No. YD006 (DR-MV1SUS). Also, be sure to note important safety precautions provided in the service manual.
  • Page 2 SPECIFICATION GENERAL Power requirement AC 120 V, 60 Hz Power consumption Power on 55 W Power off 13.7 W Temperature ° ° ° ° Operating C to 35 C (41 F to 95 ° ° ° ° Storage C to 60 C (-4 F to140 Operating position...

  • Page 3: Precaution

    Please refer to "DR-MV1SUS No.YD006" about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Please refer to "DR-MV1SUS No.YD006" about this section except a written item. DIFFERENT TABLE OF FEATURE The following table indicates main different points between models DR-MV1SUS and SR-MV50US. MODEL NAME DR-MV1SUS SR-MV50US BODY COLOR...

  • Page 4: Adjustment

    SECTION 4 ADJUSTMENT Please refer to "DR-MV1SUS No.YD006" about this section except a written item. 4.1 Electrical adjustment (VHS SECTION) Note: 4.1.2 Video circuit The following adjustment procedures are not only necessary 4.1.2.1 EE Y/PB Y level after replacement of consumable mechanical parts or board Signal (A1) •...

  • Page 5: Troubleshooting

    4.1.3 Audio circuit Note: (2) Record the signal (A3) with no audio signal input in the • GND (Ground) should be taken from the Tuner shield mode (B), and play back the recorded signal. case. (3) Set the VCR to the manual tracking mode. (4) If the A.PB FM level is not within the specified value (G1), 4.1.3.1 Audio REC FM...
  • Page 6 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YD045) Printed in Japan...
  • Page 7 … DV IN IN F-1 SR-MV50US [D3RS29] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). Regarding service information other than these sections, refer to the service manual No. YD006 (DR-MV1SUS). Also, be sure to note important safety precautions provided in the service manual.
  • Page 8 CHARTS AND DIAGRAMS BOARD INTERCONNECTIONS CN2301 CN6202 CN7503 CN6201 CN3107 CN6203 CN6001 CN3001 CN7202...
  • Page 9 CN7401 CN5001 CN5302 CN7124 CN501 CN7104 CN7105 CN7501 CN7107 CN7108 CN2201 CN2601 CN8001 CN3103 CN7102 CN3901 CN7109 CN4104 CN7202 FW7001 CN7002 CN7103 p10712001a_rev0...
  • Page 10 SWITCHING REGULATOR AND JUNCTION SCHEMATIC DIAGRAMS Q5301 D5201 R5307 4.7k C5201 C5309 CN5001 T5001 F5001 D5302 1.6A LF5002 B5302 D5202 R5103 C5102 4700p D5213 R5324 VA5001 C5001 C5002 D5001 C5202 0.068 0.022 C5003 L5201 µ R5109 IC5101 R5101 C5101 100p L5202 C5204 C5304...
  • Page 11 5307 Q5309 R5321 CN5301 5.6k B5305 R5320 C5309 Q5302 R5322 B5302 B5303 B5301 R5308 R5309 1.2k Q5313 Q5310 Q5303 R5310 R5311 R5327 R5323 Q5305 R5328 5201 µ R5313 Q5304 5202 C5304 µ R5312 C5310 C5311 D5303 D5313 C5303 Q5315 5204 C5305 µ...
  • Page 12 S-SUB/3D SCHEMATIC DIAGRAM R1447 C1455 C1454 R1448 C1460 OPEN C1459 OPEN R1449 LC1402 QQR0657-010 C1461 OPEN MON2 R1450 MON1 C1430 MON0 R1451 OPEN C1462 VDD33 OPEN SLOWP R1452 TRICK R1453 DFFI C1464 OPEN R1404 C1406 1.8k 0.01 C1408 C1405 VPLS IC1401 Q1402 JCP8026...
  • Page 13 C1454 C1453 RSTR MCI7 MCI6 MCI5 MCI4 MCI3 MCI2 MCI1 MCI0 8026 MINTEST TCLK CKMODE C1452 VDD25 VDD33 C1450 VOUT C1449 VDD33 CN504 V_FROM_AV B1417 Q1416 C1448 OPEN DTC114EU R1440 /6.3 Y_TO_SUB R1457 R1439 VHS[H] SYNC_OUT REC_COLOR C1447 C1445 Q1415 Y_TO_AV DTC114EUA C1446...
  • Page 14 OPERATION JACK,SWITCH DISPLAY AND JACK SCHEMATIC DIAGRAMS S7035 S7034 S7033 S7032 S7023 S7022 S7024 S7015 S7014 S7013 S7012 S7005 S7004 S7002 D7003 D7001 IC7002 R7016 C7001 C7008 C7006 R7009 R7015 R7005 4.7k R7007 R7006 4.7k R7002 R7013 R7001 R7014 D7034 FW70 D7033 IC7001...
  • Page 15 OPE/JACK J7201 C7201 D7202 D7203 R7202 L7202 C7203 C7202 L7203 L7201 S7218 C7205 C7204 C7207 J7204 D7204 R7207 R7206 L7204 S7217 S7216 C7206 0.01 FW7001 CN7001 B4121 CN4104 J4112 K4105 KA4101 B4123 K4104 K4103 K4106 KA4102 B4122 K4102 K4101 K4107 B4124 CN7002 p10696001a_rev0...
  • Page 16 BNC(RS232C) SCHEMATIC DIAGRAM IC74 J7401 C7401 C7402 C7403 C7404...
  • Page 17 IC7401 CN7401 C7405 p40054001a_rev0 2-10...
  • Page 18 SWITCHING REGULATOR AND JUNCTION CIRCUIT BOARDS DANGEROUS VOLTAGE CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S). ATTENTION : REPLACER PAR DES FUSIBLE DE MEME TYPE. R5106 R5107 D5106 IC5101 R5104 R5102 C5104 C5105 B5001 C5003...
  • Page 19 CN8001 CN7102 R8208 R8207 C8207 C8208 C8205 K8202 IC8201 R8212 IC8202 C8202 C8203 Q8002 C8055 C8211 C8204 R8201 C8056 R8052 C8057 R8019 Q8003 R5513 R5514 C8231 R5512 R8009 Q8004 R5511 Q5509 R8010 IC8001 R8017 C8232 C8015 Q5510 Q5508 R8007 C8054 K8002 C8005 IC8002...
  • Page 20 3D/S-SUB,OPERATION/JACK,SWITCH/DISPLAY,BNC AND JACK CIRCUIT BOARDS <15> 3D/S-SUB LPB10246-001A R1445 B511 CN504 CN501 CN502 R1435 C1454 R1436 CN503 C1433 C1453 C1424 L501 C517 C1451 C518 C522 C511 C539 C519 C1408 Q1416 C520 C1407 Q1412 L1406 R508 R507 C1437 L1402 R501 C1473 C1428 C1427 R1404...
  • Page 21 COMPONENT PARTS LOCATION GUIDE <3D/S-SUB> LPB10246-001A REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C1403 C1442 D501 Q1416 R1430 C501 C1404 C1443 D502 Q1418 R1431 C502 C1405 C1444 D1401 Q1419 R1433 C503 A D 10C C1406 C1445 D1402...
  • Page 22 VOLTAGE CHARTS <SWITCH/DISPLAY> <OPERATION/JACK> <S-SUB/3D> <SW.REGULATOR> <JUNCTION> MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLA Y PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 23 SUB/3D> MODE MODE PLAY PLAY PLAY N NO. PIN NO. PIN NO. CN503 CN504 Q1401 Q1402 Q1406 Q1408 1401 Q1410 Q1412 Q1415 Q1416 Q1418 Q1419 CN501 CN502 2-16...
  • Page 24 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YD045) Printed in Japan...
  • Page 25 * 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. * (x_) in a description column shows the number of the used part.

  • Page 26: Exploded View Of General Assembly And Parts List

    Exploded view of general assembly and parts list Block No. M1MM 527 517 BNC BOARD ASSY<97> JACK BOARD ASSY<94> S-VHS SUB/3D 534A BOARD ASSY<15> VHS MECHANISM ASSY<M2> OSD BOARD ASSY<17> MAIN BOARD ASSY<03> DIGITAL BOARD ASSY<02> 501A 501B JACK BOARD ASSY<36>...
  • Page 27 RC232C/BNC BOARD ASSY DEMOD BOARD ASSY<14> WR12 JACK BOARD ASSY J7501 WR10 CN8501 FW7504 CN5001 CN5302 SWITCHING REGULATOR WR11 BOARD ASSY MAIN BOARD ASSY WR13 CN5304 CN2001 JUNCTION CN5501 CN7107 BOARD ASSY CN7123 A/C HEAD CN1404 DRIVE UNIT DIGITAL BOARD ASSY CN3102 CN7103 from FRONT PANEL...
  • Page 28 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local  501 LP10574-003C FRONT PANEL ASSY 501A LP21308-003A CASSETTE DOOR 501B PQ46448 TORSION SPRING  502 LP10460-014A TOP COVER QYSBSG3006MA TAP SCREW M3 x 6mm TOP SIDE(x2) QYSBSG3006MA TAP SCREW M3 x 6mm TOP REAR(x4)

  • Page 29: Vhs Mechanism Assembly And Parts List

    VHS mechanism assembly and parts list Block No. M2MM Not used A/C HEAD BOARD ASSY <12> LOADING MOTOR BOARD ASSY <55> PMD0051A-C Classification Part No. Symbol in drawing NOTE:The section marked in AA and BB Grease KYODO-SH-JB indicate lubrication and greasing areas. COSMO-HV56 (No.YD045)3-5...
  • Page 30 VHS mechanism Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local LP40097-002E GUIDE POLE CAP NAH0004-001 FULL ERASE HEAD LP30958-001B LOADING GEAR BASE QYTPST2620ZA TAP SCREW M2.6 x 20mm(x2) QYTDST2606ZA TAP SCREW M2.6 x 6mm LP40798-002A LOADING GEAR(SUPPLY) ASSY LP40837-001A TORSION SPRING(SUP) LP40903-004A...
  • Page 31  Symbol No. Part No. Part Name Description Local LP31100-002A DRIVE LEVER LP30978-001B DRIVE ARM(L) LP30979-001S DRIVE ARM(R) LP40847-001B TORSION SPRING LP30980-002A CONNECT PLATE LP10403-001C SIDE HOLDER(L) LP10404-001E SIDE HOLDER(R) LP30983-002A LOCK LEVER(L) LP30984-002A LOCK LEVER(R) LP40924-001D TENSION SPRING LP40972-001A EARTH SPRING(1) LP40857-001B EARTH SPRING(2)

  • Page 32: Electrical Parts List

    SI DIODE Q5304 or XP4313-W DIGI TRANSISTOR D5313 or ERA15-02-T2 SI DIODE Q5305 2SD2144S/UV/-T TRANSISTOR D5313 or 10EDB20-T2 SI DIODE Q5305 or 2SC3576-JVC-T TRANSISTOR Q5306 2SC5739/QP/ TRANSISTOR  PC5101 PC123Y22FZ PHOTO COUPLER Q5307 2SA1585S/QR/-T TRANSISTOR Q5308 PDTC114EU-X DIGI TRANSISTOR  C5001...

  • Page 33: Digital Board

     Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R5304 NRVA02D-682X CMF RESISTOR 6.8kΩ 1/10W D Q1001 or RT1N44HC-X DIGI TRANSISTOR R5305 NRVA02D-243X CMF RESISTOR 24kΩ 1/10W D Q1002 2SA1037AK/QR/-X TRANSISTOR R5306 NRVA02D-392X CMF RESISTOR...
  • Page 34  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C1065 NCB20JM-475X C CAPACITOR 4.7uF 6.3V M C1613 NCB31CK-104X C CAPACITOR 0.1uF 16V K C1077 NCB31CK-104X C CAPACITOR 0.1uF 16V K C1614 NCB31CK-104X C CAPACITOR 0.1uF 16V K...
  • Page 35  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R1041 NQR0129-002X FERRITE BEADS R1465 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R1042 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R1466 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 36  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R1818 NRSA63D-562X MG RESISTOR 5.6kΩ 1/16W D RA2204 NRZ0040-0R0X NET RESISTOR 0Ω 1/16W J x4 R1819 NRSA63D-751X MG RESISTOR 750Ω 1/16W D RA2205 NRZ0040-0R0X NET RESISTOR...
  • Page 37  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local LP21293-001A SHIELD FRAME(DIGITAL) Q2053 DTC144WUA-X DIGI TRANSISTOR X1401 NAX0580-001X 27.0000MHz Q2053 or PDTC144WU-X DIGI TRANSISTOR X1801 NAX0666-001X CRYSTAL 24.576000MHz Q2053 or UN521E-X DIGI TRANSISTOR Q2053 or RN1309-X...
  • Page 38  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q4001 UN5211-X DIGI TRANSISTOR NCF31AZ-105X C CAPACITOR 1uF 10V Z Q4001 or DTC114EUA-X DIGI TRANSISTOR NCF31AZ-105X C CAPACITOR 1uF 10V Z Q4001 or RN1302-X DIGI TRANSISTOR NCB31CK-104X...
  • Page 39  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C545 QEKJ1HM-225Z E CAPACITOR 2.2uF 50V M C3602 NCB31EK-104X C CAPACITOR 0.1uF 25V K C546 NCB31EK-103X C CAPACITOR 0.01uF 25V K C4002 NCB31HK-103X C CAPACITOR 0.01uF 50V K...
  • Page 40  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R507 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R2610 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R508 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R2611 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 41  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R3081 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R6502 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J R3083 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R7501 NRSA63J-221X MG RESISTOR 220Ω...
  • Page 42  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local QGF1201C2-09 CONNECTOR FFC/FPC (1-9) WR7501 QUB321-04ZAZA SIN TWIST WIRE QGF1207C1-07 CONNECTOR FFC/FPC (1-7) QAX0739-001 CRYSTAL 3.57MHz QGF1207C1-10 CONNECTOR FFC/FPC (1-10) X3001 QAX0444-001 CRYSTAL 32.768kHz CN501...
  • Page 43  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local CN2301 QGF1207F1-11 CONNECTOR FFC/FPC (1-11) C522 QEKJ1HM-475Z E CAPACITOR 4.7uF 50V M CN6701 QGG2502K1-09 CONNECTOR HEADER PIN (1-9) C523 NCB31EK-103X C CAPACITOR 0.01uF 25V K NRSA63J-0R0X MG RESISTOR...
  • Page 44  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R1417 NRSA63J-101X MG RESISTOR 100Ω 1/16W J C202 NCB21CK-105X C CAPACITOR 1uF 16V K R1418 NRSA63J-471X MG RESISTOR 470Ω 1/16W J C203 NCB31EK-103X C CAPACITOR 0.01uF 25V K...
  • Page 45 Q5502 or RT1P141M-X DIGI TRANSISTOR S7004 QSW0381-001Z TACT SWITCH VCR->DVD Q5503 2SD2144S/UV/-T TRANSISTOR S7005 QSW0381-001Z TACT SWITCH DUBB. Q5503 or 2SC3576-JVC-T TRANSISTOR S7012 QSW0381-001Z TACT SWITCH VCR<-DVD Q5504 UN5211-X DIGI TRANSISTOR S7013 QSW0381-001Z TACT SWITCH Q5504 or DTC114EUA-X DIGI TRANSISTOR...
  • Page 46  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local Q5506 or RT1N141M-X DIGI TRANSISTOR C8204 NCB21HK-472X C CAPACITOR 4700pF 50V K Q7101 2SB1218A/QR/-X TRANSISTOR C8205 NCB21HK-471X C CAPACITOR 470pF 50V K Q7101 or 2SA1576A/QR/-X TRANSISTOR...
  • Page 47 BNC board  Symbol No. Part No. Part Name Description Local Block No. [9][7] B7112 NRSA02J-0R0X MG RESISTOR 0Ω 1/10W J B7113 NRSA02J-0R0X MG RESISTOR 0Ω 1/10W J  Symbol No. Part No. Part Name Description Local B7115 NRSA02J-0R0X MG RESISTOR 0Ω...

  • Page 48: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list The instruction manual to be provided with this product will differ according to the destination. Block No. M3MM ADHESIVE TAPE POWER CORD POLY BAG GENERAL ASSY<M1> SPEC OF BARCODE 3-24(No.YD045)
  • Page 49 Packing and accessories Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LP31469-004A PACKING CASE LP31454-002A CUSHION ASSY PQM30021-105 POLY BAG RM-SDR013J REMOCON ------------ BATTERY R6 TYPE(x2) QPC02202230P POLY BAG 22cm x 22cm LPT1012-001A SHEET(LOADING)  310 LPT1003-001B INST.BOOK (ENGLISH)

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