JVC SR-MV50US Parts List

PARTS LIST

[SR-MV50US]

* SAFETY PRECAUTION

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.

* (x_) in a description column shows the number of the used part.

- Contents -

Exploded view of general assembly and parts list .................... 3-2

VHS mechanism assembly and parts list .................................. 3-5

Electrical parts list ..................................................................... 3-8

Packing materials and accessories parts list .......................... 3-24

(No.YD045)3-1

Exploded view of general assembly and parts list

504

504

Block No. M1MM

503

520

S-VHS SUB/3D
BOARD ASSY<15>

520

MAIN BOARD ASSY<03>

501

511

501A

j

j

j

524

1

q

524

501B

535

502

504

504

i

A

b

541

526

545

518

e'

532

e

e'

e

522

526

e

527

552

c

b

525

527

b

515

525

517

523

f

i

509

515

514

b

515

518

529

525

f

c

525

CN5001

c

c

516

503

i

BNC BOARD ASSY<97>

505

JACK BOARD ASSY<94>

534

534A

j

519

q

520

VHS MECHANISM ASSY<M2>

g

h

521

r

547

548

UP

UP

508

r

j

t

D

OSD BOARD ASSY<17>

535

513

g

h

j

a

a

i

c

a

e

e

b

e

k

m

c

b

e

533

JUNCTION BOARD ASSY<92>

513

c

a

c

i

512

515

531

DIGITAL BOARD ASSY<02>

543

544

526

e'

e'

JACK BOARD
ASSY<36>

e'

d

k

m

526

e'

e'

e

e

d

533

535

533

JS3001

524

a

i

b

a

b

e

d

d

533

3-2(No.YD045)

SWITCHING REGULATOR BOARD ASSY<01>

CN7201

DEMOD BOARD ASSY<14>

WR12

WR9

WR10

WR11

MAIN BOARD ASSY

RC232C/BNC BOARD ASSY

JACK BOARD ASSY

CN501

A/C HEAD

J7501

CN2001

FW7504

CN3

CN7502

CN2

WR2

CN8501

CN5311

CN3106

CN7501

CN2601

FAN

CN5302

SWITCHING REGULATOR

WR1

CN5301

WR7

B

CN5304

CN7107

CN8001

CN5501

CN7123

CN5001

BOARD ASSY

WR13

JUNCTION
BOARD ASSY

CN7106

WR8

CN7124

CN3104

CN3104

from FRONT PANEL
(OPERATION/JACK CN7201)

OPERATION/JACK BOARD ASSY<27>

to MAIN BOARD ASSY

(CN3104)

553

WR3

507

507

554

CN7201

507

507

NOTE)Push the slack of the wire

NOTE) INSERT FFC WIRE
TO THE CONNECTOR
BEFORE ATTACHING
TO FRONT PANEL.

NOTE) FJ CONN should be
insert as follows.

NG

OK

506

CN7202

CN7001

into the CN7202 side.

BOTTOM SIDE

TOP SIDE

554

CN3103

CN7102

WR6

DRIVE

UNIT

CN3102

WR4

CN7001

CN7103

SWITCH/DISPLAY BOARD ASSY<28>

553

WR5

CN7002

NOTE) WHEN YOU FIX ANY PWB
WITH THE SCREW,
PUT IT ON THE JIGS.

NOTE) Push both ends of connector

536

when it is inserted
to the DRIVE UNIT.

CN1404

CN2201

DIGITAL BOARD ASSY

506

506

CN

JUNCTION BOARD ASSY CN7102
JUNCTION BOARD ASSY CN8001
JUNCTION BOARD ASSY CN5501

MAIN BOARD ASSY CN5311

GASKET is attached
where FITING is removed.
Attach the gasket frirst.

CN

MAIN BOARD ASSY CN3103
MAIN BOARD ASSY CN2601
SWITCHING REGULATOR
BOARD ASSY CN5304
SWITCHING REGULATOR
BOARD ASSY CN5301

550

Two gaskets must not be overlapped.

550

551

551

DRAWING FROM DIRECTION D

DRAWING FROM DIRECTION B

NOTE) Replace the attached FITING.

<HOW TO REMOVE>

FITTING(DVD) ASS'Y

2. Take it out up
by doing
the slide.

1. It pulls out toward
front side.

TRAY

DRAWING FROM DIRECTION A

(No.YD045)3-3

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
503 QYSBSG3006MA TAP SCREW M3 x 6mm TOP SIDE(x2)
504 QYSBSG3006MA TAP SCREW M3 x 6mm TOP REAR(x4)
505 PDV2542A DRUM FINAL ASSY
506 QYTDSF2608ZA TAP SCREW M2.6 x 8mm SWITCH/DISPLAY(x6)
507 QYTDSF2608ZA TAP SCREW M2.6 x 8mm OPERATION/JACK(x4)
508 LP21348-002B FITTING(DVD)



509 QAL0651-001 DRIVE UNIT



511 LP10525-001E BOTTOM CHASSIS
512 LP21222-001B BRACKET(CENTER)
513 LP31391-001A SPECIAL SCREW BRACKET(CENTER)(x2)
514 LP21299-001B LOADER BRACKET
515 LP31391-001A SPECIAL SCREW BRACKET(DVD)(x4)



516 LP21134-019B REAR COVER
517 QYSBSG3006NA TAP SCREW M3 x 6mm REAR COVER(x2)
518 QYTDST3006ZA TAP SCREW M3 x 6mm DRIVE UNIT(x4)
519 QYSPSPD3008ZA SCREW M3 x 8mm DRUM(x3)
520 LP31391-002A SPECIAL SCREW MECHANISM(x3)
521 LP31391-001A SPECIAL SCREW HOUSING
522 QAR0349-001 FAN MOTOR
523 QYTDSF3008MA TAP SCREW M3 x 8mm FAN(x2)
524 LP31391-001A SPECIAL SCREW MAIN(x3)
525 LP31391-001A SPECIAL SCREW SWITCHING REGULAOR(x4)
526 LP31391-001A SPECIAL SCREW JUNCTION(x5)
527 QYTDSF3008MA TAP SCREW M3 x 8mm JACK(x6)



529 QMPD630-170-JC POWER CORD(JP) 1.7m BLACK
531 LP31390-001A BARCODE LABEL
532 LP31391-001A SPECIAL SCREW JACK
533 LP31348-001A FOOT (x4)
534 LP40910-002G HEAD CLEANER ASSY
534A PQ46419-2 CLEANER
535 LP41140-001A INSULATOR (x3)
536 QGZ0021A1-40 CONNECTOR (1-40)
541 QYTDST3005MA TAP SCREW M3 x 5mm TUNER(x2)
543 LP41171-001A SHIELD TIGHT
544 LP41171-001A SHIELD TIGHT
545 LP41171-001A SHIELD TIGHT
547 LP31345-001A EARTH PLATE
548 LP31345-001A EARTH PLATE
550 LP41217-001A GASKET
551 LP41218-001A GASKET (x2)
552 QNB0037-001 CONN ACCESSORY (x2)
553 LP41206-001A SHEET (x2)
554 LP30002-0A9A SPACER (x2)
WR 1 QUQ112-1318CG FFC WIRE JUNCTION CN7107-MAIN CN7501
WR 2 QUQ212-0422CG FFC WIRE JUNCTION CN7123-MAIN CN501
WR 3 QUQ112-0910CG FFC WIRE OPERATION/JACK CN7201-MAIN CN3104
WR 4 QUQ112-1110CG FFC WIRE SWITCH/DISPLAY CN7001-MAIN CN3102
WR 5 QUQ212-0410CG FFC WIRE SWITCH/DISPLAY CN7002-JUNCTION CN7103
WR 6 QUQ105-4020AF FFC WIRE DRIVE UNIT-DIGITAL CN2201
WR 7 QJJ032-040804 SIN CR C-C WIRE DRIVE UNIT-SWITCHING REGULATOR CN5303
WR 8 QUQ210-0406CC FFC WIRE DIGITAL CN1404-JUNCTION CN7106
WR 9 QUQ112-1124CG FFC WIRE S-VHS SUB CN501-MAIN CN7502
WR10 QUQ112-0724CG FFC WIRE S-VHS SUB CN502-MAIN CN2
WR11 QUQ112-1022CG FFC WIRE S-VHS SUB CN504-MAIN CN3
WR12 QUQ112-0940CG FFC WIRE S-VHS SUB CN503-MAIN CN3106
WR13 QUQ212-0438CG-E FFC WIRE RC232C/BNC CN7401-JUNCTION CN7124

3-4(No.YD045)

VHS mechanism assembly and parts list

112

AA

124

128

Block No. M2MM

127

141

AA

110

AA

118

77

76

AA

122

130

121

74

105

88

BB

90

79

89

21

4

AA

BB

90

72

71

AA

73

37

17

AA

78

BB

75

89

38

AA

36

107

AA

Not used

137

151

123

125

112

126

119

111

120

117

115

AA

56

52

55

3

53

58

86

91

107

80

26

83

81

105

AA

82

31

30

113

114

A/C HEAD
BOARD ASSY <12>

WR2

57

42

58

116

50

44

49

WR1

134

102

AA

AA

69

70

PMD0051A-C

BB

AA

95

AA

96

93

94

Classification Part No. Symbol in drawing

Grease KYODO-SH-JB AA

Oil COSMO-HV56 BB

BB

15

22

39

68

AA

61

48

60

63

66

AA

23

24

18

19

20

LOADING MOTOR
BOARD ASSY <55>

16

AA

AA

AA

64

65

67

62

59

WR3

AA

NOTE:The section marked in AA and BB

indicate lubrication and greasing areas.

85

87

AA

84

AA

46

47

(No.YD045)3-5

VHS mechanism

Block No. [M][2][M][M]



Symbol No. Part No. Part Name Description Local

3 LP40097-002E GUIDE POLE CAP
4 NAH0004-001 FULL ERASE HEAD
15 LP30958-001B LOADING GEAR BASE
16 QYTPST2620ZA TAP SCREW M2.6 x 20mm(x2)
17 QYTDST2606ZA TAP SCREW M2.6 x 6mm
18 LP40798-002A LOADING GEAR(SUPPLY) ASSY
19 LP40837-001A TORSION SPRING(SUP)
20 LP40903-004A FIXING PLATE
21 LP40806-001D POLE BASE ASSY(SUPPLY)
22 LP30959-001B LOADING GEAR
23 LP40802-002A LOADING GEAR(TAKE UP) ASSY
24 LP40838-001A TORSION SPRING(TAKE UP)
26 LP40808-001E POLE BASE ASSY(T)
30 LP31020-005A ARM BASE
31 QYTDST2606ZA TAP SCREW M2.6 x 6mm
36 LP21055-001G TAKE UP LEVER
37 LP40943-001A TENSION SPRING
38 LP40859-001D T-UP HEAD
39 LP30961-001C LID GUIDE
42 LP40810-003A PINCH ROLLER ARM ASSY
44 LP40840-001E TORSION SPRING
46 LP30963-002A PRESS LEVER
47 PQM30017-24 SLIT WASHER
48 LP40930-002F S-SWITCH
49 LP40813-001D GUIDE ARM ASSY
50 LP40841-001A TORSION SPRING
52 NAH0005-001 AC HEAD
53 LP30965-003A HEAD BASE
55 LP40842-001D COMPRESSION SPRING
56 QYTDST2006MA TAP SCREW M2 x 6mm
57 LP41036-002A A/C ADJ.SCREW (x2)
58 QYTDST2606ZA TAP SCREW M2.6 x 6mm(x2)
59 QAR0289-001 LOADING MOTOR
60 QYTPSP3003ZA SCREW M3 x 3mm(x2)
61 LP21056-002J MOTOR BRACKET
62 QYTPST2620ZA TAP SCREW M2.6 x 20mm
63 LP40814-001B WORM BEARING
64 LP21044-001E CONTROL CAM
65 PQM30017-24 SLIT WASHER
66 LP40815-001A WORM GEAR
67 LP40816-001B HELICAL GEAR
68 LP40817-001A CONNECT GEAR
69 LP10400-001N CONTROL PLATE
70 LP40843-001A TORSION SPRING
71 LP40818-002A TENSION ARM ASSY
72 LP40844-001F TENSION SPRING
73 LP21045-001E TENSION ARM BASE
74 LP40821-001A TENSION BAND ASSY
75 LP30967-001B BAND HOLDER-1
76 LP30968-001C BAND HOLDER-2
77 LP40822-002B ADJUST PIN
78 LP31000-005E TENSION ARM LEVER
79 LP21046-001C MAIN BRAKE(TAKE UP)
80 LP40824-001A BAND BRAKE ASSY
81 LP30969-002B BRAKE LEVER
82 LP30003-033C TENSION SPRING
83 LP30003-035C TENSION SPRING
84 LP40825-001B CAPSTAN BRAKE ASSY



85 QAR0267-003 CAPSTAN MOTOR
86 QYTPSG2606ZA TAP SCREW M2.6 x 6mm(x3)
87 LP30005-010A BELT CAPSTAN MOTOR
88 LP30970-001B IDLER ARM
89 LP40828-004A IDLER GEAR 1 (x2)
90 LP40829-002A IDLER GEAR 2 (x2)
91 LP31014-002A WIRE HOLDER
93 LP40934-001B CLUTCH UNIT
94 PQM30017-47 SLIT WASHER
95 LP30973-001A DIRECT GEAR
96 LP40939-001A COMPRESSION SPRING
102 LP30974-001C CHANGE LEVER
105 LP21049-001A REEL DISK (x2)
107 LP30017-004A SPACER REEL DISK(x2)
110 LP10401-001L SIDE FRAME(L)
111 LP10402-001M SIDE FRAME(R)
112 QYTDST2606ZA TAP SCREW M2.6 x 6mm(x2)
113 LP40917-001D TORSION SPRING
114 LP30976-002B SIDE PLATE
115 LP30977-002E LIMIT PLATE
116 LP40846-001C LIMIT SPRING

3-6(No.YD045)



Symbol No. Part No. Part Name Description Local

117 LP31100-002A DRIVE LEVER
118 LP30978-001B DRIVE ARM(L)
119 LP30979-001S DRIVE ARM(R)
120 LP40847-001B TORSION SPRING
121 LP30980-002A CONNECT PLATE
122 LP10403-001C SIDE HOLDER(L)
123 LP10404-001E SIDE HOLDER(R)
124 LP30983-002A LOCK LEVER(L)
125 LP30984-002A LOCK LEVER(R)
126 LP40924-001D TENSION SPRING
127 LP40972-001A EARTH SPRING(1)
128 LP40857-001B EARTH SPRING(2)
130 LP30981-003B CASSETTE HOLDER ASSY
134 LP21051-002C REC SAFETY LEVER
137 LP21052-002A TOP FRAME
141 LP40924-001D TENSION SPRING
151 LP30985-002M DOOR OPENER
WR1 WJT0117-001A E-CARD WIRE DRUM
WR2 WJT0067-001B E-CARD WIRE A/C HEAD CN2001
WR3 WJS0022-001A E-FL/RB WIRE LOADING MOTOR

(No.YD045)3-7

Electrical parts list

Switching reglator board

Block No. [0][1]



Symbol No.

PW1 LPA10271-01C1 SWITCHING REGLATOR BOARD ASSY

IC5101 STR-G6653-F9 IC
IC5301 UTCTL431-T IC
IC5301 or MM1431AT-T IC
IC5301 or L5431-T IC
IC5301 or TL431/A/-T IC
IC5302 PQ5EV3 IC

Q5301 2SC5739/QP/ TRANSISTOR
Q5301 or 2SD2394/EF/ TRANSISTOR
Q5302 DTA144WUA-X DIGI TRANSISTOR
Q5302 or UN511E-X DIGI TRANSISTOR
Q5302 or RN2309-X DIGI TRANSISTOR
Q5302 or PDTA144WU-X DIGI TRANSISTOR
Q5304 UMD12N-W DIGI TRANSISTOR
Q5304 or XP4313-W DIGI TRANSISTOR
Q5305 2SD2144S/UV/-T TRANSISTOR
Q5305 or 2SC3576-JVC-T TRANSISTOR
Q5306 2SC5739/QP/ TRANSISTOR
Q5307 2SA1585S/QR/-T TRANSISTOR
Q5308 PDTC114EU-X DIGI TRANSISTOR
Q5308 or DTC114EUA-X DIGI TRANSISTOR
Q5308 or UN5211-X DIGI TRANSISTOR
Q5308 or RN1302-X DIGI TRANSISTOR
Q5313 2SA1585S/QR/-T TRANSISTOR
Q5314 2SA1585S/QR/-T TRANSISTOR
Q5315 PDTC114EU-X DIGI TRANSISTOR
Q5315 or DTC114EUA-X DIGI TRANSISTOR
Q5315 or UN5211-X DIGI TRANSISTOR
Q5315 or RN1302-X DIGI TRANSISTOR

D5001 GBJ4J BRIDGE DIODE
D5001 or D3SBA60 DIODE
D5101 SARS01-T2 SI DIODE
D5103 1F4G-T2 FR DIODE
D5103 or 10ERB20-T2 FR DIODE
D5103 or ERA18-02-T2 FR DIODE
D5103 or AU01Z-T2 FR DIODE
D5103 or 1SR153-400-T2 FR DIODE
D5104 1SS133-T2 DIODE
D5104 or 1SS270A-T2 SI DIODE
D5105 10ERB20-T2 FR DIODE
D5105 or ERA18-02-T2 FR DIODE
D5105 or AU01Z-T2 FR DIODE
D5105 or 1SR153-400-T2 FR DIODE
D5105 or 1F4G-T2 FR DIODE
D5106 10ERB20-T2 FR DIODE
D5106 or ERA18-02-T2 FR DIODE
D5106 or AU01Z-T2 FR DIODE
D5106 or 1SR153-400-T2 FR DIODE
D5106 or 1F4G-T2 FR DIODE
D5201 1SR156-400-X SI DIODE
D5202 1SR156-400-X SI DIODE
D5203 RL2Z-LFB2 FRD
D5204 D1FS4A-X SB DIODE
D5205 RK34-LFB2 SB DIODE
D5207 D1FS4A-X SB DIODE
D5208 RK34-LFB2 SB DIODE
D5209 RK34-LFB2 SB DIODE
D5210 1F4G-T2 FR DIODE
D5210 or PG104RS-T2 FR DIODE
D5210 or 10ERB20-T2 FR DIODE
D5210 or 1SR153-400-T2 FR DIODE
D5210 or ERA18-02-T2 FR DIODE
D5211 ERA18-02-T2 FR DIODE
D5211 or 1SR153-400-T2 FR DIODE
D5211 or 10ERB20-T2 FR DIODE
D5211 or 1F4G-T2 FR DIODE
D5212 D1FS4A-X SB DIODE
D5213 1F4G-T2 FR DIODE
D5213 or 10ERB20-T2 FR DIODE

Part No. Part Name Description Local



Symbol No.

D5213 or ERA18-02-T2 FR DIODE
D5213 or AU01Z-T2 FR DIODE
D5213 or 1SR153-400-T2 FR DIODE
D5301 MTZJ15A-T2 Z DIODE
D5301 or RD15ES/B1/-T2 Z DIODE
D5302 MTZJ27D-T2 Z DIODE
D5302 or RD27ES/B4/-T2 Z DIODE
D5303 MTZJ11C-T2 Z DIODE
D5303 or RD11ES/B3/-T2 Z DIODE
D5304 MTZJ5.6C-T2 Z DIODE
D5304 or RD5.6ES/B3/-T2 Z DIODE
D5306 RK34-LFB2 SB DIODE
D5307 RK34-LFB2 SB DIODE
D5308 RK34-LFB2 SB DIODE
D5309 1S4-T2 SB DIODE
D5309 or SBO40-T2 SB DIODE
D5309 or AW04-T2 SB DIODE
D5312 1SS133-T2 DIODE
D5312 or 1SS270A-T2 SI DIODE
D5313 1A3G-T2 SI DIODE
D5313 or ERA15-02-T2 SI DIODE
D5313 or 10EDB20-T2 SI DIODE



PC5101 PC123Y22FZ PHOTO COUPLER



C5001 QFZ9073-683 MM CAPACITOR 0.068uF AC250V M



C5002 QFZ9073-223 MM CAPACITOR 0.022uF AC250V M
C5003 QEZ0639-337 E CAPACITOR 330uF 200V M



C5004 QCZ9079-472 C CAPACITOR 4700pF AC250V M



C5005 QCZ9079-101 C CAPACITOR 100pF AC250V K
C5101 QCZ0339-101Z C CAPACITOR 100pF 1kV K
C5102 QCZ0349-472Z C CAPACITOR 4700pF 1kV K
C5103 QEMU1VM-276Z E CAPACITOR 27uF 35V M
C5104 QCZ0136-471Z C CAPACITOR 470pF 1kV K
C5105 QFLC1HJ-471Z M CAPACITOR 470pF 50V J
C5106 NCB21HK-103X C CAPACITOR 0.01uF 50V K
C5107 NCB21HK-221X C CAPACITOR 220pF 50V K
C5201 QEMX1VM-127Z E CAPACITOR 120uF 35V M
C5202 QETN2AM-475Z E CAPACITOR 4.7uF 100V M
C5203 QEMT1CM-687 E CAPACITOR 680uF 16V M
C5204 QEMT1CM-687 E CAPACITOR 680uF 16V M
C5205 QECS1AM-158 E CAPACITOR 1500uF 10V M
C5206 QECS1AM-128 E CAPACITOR 1200uF 10V M
C5207 QECS0JM-478 E CAPACITOR 4700uF 6.3V M
C5208 QEMT1AM-108 E CAPACITOR 1000uF 10V M
C5209 QEMU1HM-186Z E CAPACITOR 18uF 50V M
C5210 QEMX0JM-227Z E CAPACITOR 220uF 6.3V M
C5301 QFVF1HJ-154Z MF CAPACITOR 0.15uF 50V J
C5302 QFLC1HJ-333Z M CAPACITOR 0.033uF 50V J
C5303 QETN1CM-107Z E CAPACITOR 100uF 16V M
C5304 QETN1CM-107Z E CAPACITOR 100uF 16V M
C5305 QETN1AM-107Z E CAPACITOR 100uF 10V M
C5306 QETN1AM-107Z E CAPACITOR 100uF 10V M
C5307 QETN1CM-107Z E CAPACITOR 100uF 16V M
C5308 QETN1CM-107Z E CAPACITOR 100uF 16V M
C5309 QETN1VM-476Z E CAPACITOR 47uF 35V M
C5310 QETN1HM-225Z E CAPACITOR 2.2uF 50V M
C5311 QETN1AM-107Z E CAPACITOR 100uF 10V M
C5312 QETN1AM-107Z E CAPACITOR 100uF 10V M
C5313 NCB21HK-471X C CAPACITOR 470pF 50V K
C5314 QETN1AM-107Z E CAPACITOR 100uF 10V M
C5315 NCB21HK-103X C CAPACITOR 0.01uF 50V K



R5001 QRZ9046-475Z C RESISTOR 4.7MΩ 1/2W K
R5101 QRG02GJ-683 OMF RESISTOR 68k
R5102 NRSA02J-122X MG RESISTOR 1.2k
R5103 QRE141J-684Y C RESISTOR 680k
R5104 NRSA02J-102X MG RESISTOR 1k
R5105 QRE141J-680Y C RESISTOR 68Ω 1/4W J
R5106 QRE141J-392Y C RESISTOR 3.9k
R5107 NRSA02J-681X MG RESISTOR 680
R5108 QRT01DJ-R33X MF RESISTOR 0.33Ω 1W J



R5109 QRZ9005-470X FUSI RESISTOR 47Ω 1/4W G
R5301 NRSA02J-221X MG RESISTOR 220
R5302 NRSA02J-472X MG RESISTOR 4.7kΩ 1/10W J
R5303 NRVA02D-152X CMF RESISTOR 1.5k

Part No. Part Name Description Local

Ω

Ω

1/10W J

Ω

1/4W J

Ω

1/10W J

Ω

1/4W J

Ω

1/10W J

Ω

1/10W J

Ω

1/10W D

2W J

3-8(No.YD045)