JVC MX J850 Service Manual

MX-J800

MX-J850R

SERVICE MANUAL

COMPACT COMPONENT SYSTEM

MX-J800 / MX-J850R

CD-ROM No.SML200006

This model is a change of the model name of preceding model MX-J70/MX-J75R. Therefore, a basic specification is the same as preceding model MX-J70/MX-J75R. This service manual is composed only of the parts list (except the mechanism part). For others, please refer to the SERVICE MANUAL for MX-J70/MX-J76/MX-J75R (issue No.20762). A concrete difference point is as follows.

Area Suffix(MX-J800)

J ----------------------U.S.A. C ------------------- Canada

Difference point with preceding model

MX-J70/J75R MX-J800/J850R

Contents

This illustration is MX-J850R

(SP-DSC99BU) (SP-DSS99BU)

SP-DS99BU

Button name

TIMER/CLOCK CLOCK/TIMER

DECK A/B TAPE A/B

Area Suffix(MX-J850R)

B ------------------------ U.K. E ---- Continental Europe EN ------ Nothern Europe EV -------Eastern Europe

(MX-J850R ONLY)

Center/Surround speaker

SP-DS99SL SP-DS99BU

Parts list -------------------- 1

This service manual is printed on 100% recycled paper.

No.20835

JUN. 2000

< MEMO >

PARTS LIST

[ MX-J800 ]

[ MX-J850R ]

* All printed circuit boards and its assemblies are not available as service parts.

MX-J800

Area suffix

J ----------------------------- U.S.A.

C -------------------------- Canada

MX-J800/MX-J850R

- Contents -

Exploded view of general assembly and parts list CD changer mechanism assembly and parts list CD mechanism assembly and parts list Cassette mechanism assembly and parts list Electrical parts list

Packing materials and accessories parts list

CA-MXJ850R/SP-MXJ850R

Area suffix

B ------------------------------- U.K. E ----------- Continental Europe EN ------------ Northern Europe EV -------------- Eastern Europe

3 6 8 9 14 28

1

MX-J800/MX-J850R

< MEMO >

2

Exploded view of general assembly and parts list

5

Block No.

M

1

FL Display & System Control Board

MX-J800/MX-J850R

M

4

Only Ver. C/J

Operation Switch Board

Power AMP Board

3

Regulator Board

2

122

Main Board

Accessories

121

Only Ver.C /J

120

1

HAB C DE FG

3

MX-J800/MX-J850R

Parts list (General assembly)

47

2

48

2

MICOM BOARD/CASE

49

1

CONN.BOARD/CASE

51

4

MOVING PANEL/F.PANEL

52

1

53

1

54

1

55

1

EJECT SAFETY(A)

56

1

EJECT SAFETY(B)

57

1

58

2

F.P.TO H.BKT.

59

2

F.P.TO CHS.BASE

60

4

MECHA & H.BKT.

61

4

MECHA & F.PANEL

62

1

63

1

64

1

FOR DISC STOPPER

65

1

66

1

FOR LOD STOPPER

67

1

68

2

CHASSIS BASE FOOT

69

1

70

3

71

2

72

1

73

4

74

1

75

1

M.BOARD & C.BASE

76

1

B

A

1

77

1

78

1

79

1

T001

1

T001

80

1

F001

1

F001

82

1

F101

1

F101

83

1

F102

1

F102

84

1

SLC TO FMB(C)

85

1

SLC TO FMB(FL)

86

1

MOV.P TO FMB(FL)

87

1

FMB TO FMB(FL)

88

1

FMB(C) TO FMC

89

1

FMB(C) TO FMC

90

1

FMB(C) TO FMC

Parts list (General assembly)

Item Parts number Parts name Area

A

1 GV10010-028A FRONT PANEL 1

GV10010-026A FRONT PANEL 1

2 E75896-001 FELT SPACER 2

3 VJD5429-001 JVC MARK 1

4 GV40016-001A STBY.INDICATOR 1

5 GV30047-009A CD BUTTON ASSY 1

6 GV30029-008A POWER BUTTON 1

GV30029-009A POWER BUTTON 1

4

7 GV30045-005A PUSH BUTTON 1

8 GV20033-001A SOURCE BUTTON(A) 1

9 GV20034-001A SOURCE BUTTON(B) 1

10 QYSDSF2608Z SCREW 3

11 QYSDSF2608Z SCREW 4

12 QYSDSF2608Z SCREW 6

13 GV30030-001A STAY BRACKET 1

14 GV40030-001A PHONE BRACKET 1

15 FMYH4004-001 PLASTIC RIVET 1

16 QYSDSF2608Z SCREW 2

17 QYSBST3006Z T.SCREW 1

18 QYSDSF2608Z SCREW 4

20 QYSDSF2608Z SCREW 3

21 GV40043-001A VOLUME SHEET 1

22 GV20022-005A CASSETTE HOLDER(L) 1

23 GV20023-005A CASSETTE HOLDER(R) 1

24 GV20024-001A CASSETTE LENS(L) 1

25 GV20025-001A CASSETTE LENS(R) 1

26 GV30026-005A EJECT BUTTON(A) 1

27 GV30027-005A EJECT BUTTON(B) 1

28 FMKW4009-001 HOLDER SPRING(A) 1

29 FMKW4010-001 HOLDER SPRING(B) 1

30 FMKW4011-001 SPRING 1

31 FMKS3002-003 EJECT LEVER(A) 1

32 FMKS3003-003 EJECT BUTTON(B) 1

33 GV40034-001A DAMPER ASSY 2

34 VKY4180-401 CASSETTE SPRING 4

35 GV10014-005A CASE ASSY 1

36 GV30039-004A MOVING PANEL(A) 1

37 GV30040-025A CONTROL SHEET 1

GV30040-026A CONTROL SHEET 1

38 GV30041-012A CONTROL BUTTON 1

GV30041-011A CONTROL BUTTON 1

39 QYSDSF2608Z SCREW 2

40 GV30042-002A PANEL BRACKET 1

41 GV40028-001A PANEL HOLDER(L) 1

42 GV40028-002A PANEL HOLDER(R) 1

43 QYSDSF2608Z SCREW 6

44 GV30043-004A MOVING PANEL(B) 1

45 QYSBST2606Z T.SCREW 3

Q'ty Description

CA-MXJ850R

MX-J800

CA-MXJ850R

ON/STANDBY BOARD

AUX/TAPE S.BOARD

STY.BKT+F.PANEL

MAIN BOARD&BKT.

PHONE BKT.+F.PANEL

PHONE BKT.+BOARD

CD SWITCH BOARD

TUNER/CD S.BOARD

FOR EJECT LEVER

MX-J800

CA-MXJ850R

MX-J800

Block No. M1MM

Item Parts number Parts name Area

A

VKZ4341-204 SPECIAL SCREW

QYSDSF2608Z SCREW

QYSSSF3012Z TAP SCREW

--------------- CASSETTE MECHA

FMKL4012-004 EJECT SAFETY(A)

FMKL4013-001 EJECT SAFETY(B)

FMKW4007-001 SPRING (A)

FMKW4008-001 SPRING (B)

GV20030-001A HOLDER BRACKET

QYSBSG3010E T.SCREW

QYSBSG3010Z T.SCREW

QYSBSF3010Z SCREW

--------------- VIDEO 3CD CHANGER

E309662-001SM DISC STOPPER

QYSBSF3008Z SCREW

FMKL4008-001 LOD STOPPER

QYSBSF3008Z SCREW

GV10011-001A CHASSIS BASE

E75896-006 FELT SPACER

GV30044-002A HEAT SINK

QYSBSG3014E T.SCREW

QYSBSG3020E TAP SCREW

GV40029-001A LEAF SPRING

QYSDSTL4008Z SPECIAL SCREW

LE30469-001A SHIELD PLATE

QYSBSGG3008E T.SCREW

A

A A

A A A A

QMPD220-200-JD POWER CORD

QMPK090-205-JN POWER CORD

QMPN090-200-JC POWER CORD

QZW0033-001 STRAIN RELIEF

VKZ4001-110S WIRE HOLDER

QQT0250-001 POWER TRANSF

QQT0250-002 POWER TRANSF

QMF51U1-4R0-J1 FUSE

QMF51E2-1R25-J1 FUSE

QMF51U1-5R0-J1 FUSE

QMF51E2-3R15-J1 FUSE

QMF51U1-5R0-J1 FUSE

QMF51E2-3R15-J1 FUSE

QUQ412-1014CJ FFC WIRE(FC854)

QUQ412-1115DJ FFC WIRE(FC803)

QUQ610-0915BJ FFC WIRE(FC921)

QUQ412-1012CJ FFC WIRE(FC971)

QUQ412-2109CJ FFC WIRE(FC857)

QUQ412-2109CJ FFC WIRE(FC855)

QUQ412-1712CJ FFC WIRE(FC856)

Q'ty Description

J,C

E,EN,EV

J,C

B,E,EN,EV

J,C

B,E,EN,EV

J,C

B,E,EN,EV

J,C

B,E,EN,EV

MX-J800/MX-J850R

Parts list (General assembly)

Item Parts number Parts name Area

A

91 QUQ110-1916BJ FFC WIRE(FC410) 1 92 QUQ412-2112CJ FFC WIRE(FC801) 1 93 QUQ412-2308CJ FFC WIRE(FC802) 1 94 GV10013-060A REAR PANEL

GV10013-058A REAR PANEL

GV10013-057A REAR PANEL 95 E207356-002SM REAR COVER 1 96 QYSBSG3008Z T.SCREW 2 97 QYSBSGY3008E SPECIAL SCREW 1 98 QYSBSGY3008E SPECIAL SCREW 1 99 QYSBSGY3008E SPECIAL SCREW 1

100 QYSBSGY3008E SPECIAL SCREW 4 101 QYSBSGY3008E SPECIAL SCREW 2 102 QYSBSGY3008E SPECIAL SCREW 2 103 QYSBSGY3008E SPECIAL SCREW 2 104 QYSBSGY3008E SPECIAL SCREW 2 106 QYSBSGY3008E SPECIAL SCREW 1 107 QYSBSGY3008E SPECIAL SCREW 1 108 QYSBSGY3008E SPECIAL SCREW 1 109 GV10012-001A/S/ METAL COVER 1 110 QYSDSG3006M T.SCREW 2 111 QYSBSGY3008E SPECIAL SCREW 6 112 GV30033-006A CD FITTING 1 113 GV30034-004A CD FITTING 1 114 GV30035-006A CD FITTING 1 115 GV30028-004A VOLUMA KNOB 1 116 GV20026-017A WINDOW SCREEN 1

GV20026-018A WINDOW SCREEN 1

120 GV40048-001A PROTECT SHEET(A) 1 121 GV40049-001A PROTECT SHEET(B) 122 FMYSH103-003 SPACER 1 123 FMKL4007-001 BRACKET 1 124 FMPK4003-001T MICA SHEET 1

125 QYSBSGY3008E SPECIAL SCREW 1 126 GV30032-001A FL HOLDER 1 127 E3400-439 FELT SPACER 2 128 MXN-13FB12F DC MOTOR 1 129 GV40022-001A MOTOR PULLEY 1 130 GV30038-001A CAPSTAN BELT 1 131 FMYSH103-004 FELT SPACER 1

Q'ty Description

CD TO FMC FMB(FL)TO FMB(C) FMB(FL)TO FMB(C)

1

CA-MXJ850R

1

MX-J800

1

MX-J800

C3 & STAY BRACKET AUX/REAR PANEL E.PLATE/R.PANEL R.PANEL/ C.BASE H.SINK/ R.PANEL C3 / REAR PANEL SPK.TEM./R.PANE ANTENA/ R.PANEL R.COVER/R.PANEL GROUND/R.PANEL SUBWOOFER/R.PANEL OPTICAL/R.PANEL

M.COVER+C.BASE M.COVER+R.PANEL DISC 1 DISC 2 DISC 3

MX-J800 CA-MXJ850R

1

STICK TO TRANSH

PROLOGIC/R.PANE

CA-MXJ850R

Block No. M1MM

B,E,EN,EV C J

J,C

5

MX-J800/MX-J850R

CD changer mechanism assembly and parts list

VC3-22M

G

76

72

F

75

51

65

21

34

Block No.

27

M

27

2

M

25

69

H

17

27

H

FIG A

27

FIG A

F

G

27

11.6 0.2mm

27

FIG C

27

Grease = EM-30L

= EBS0006-009B

= FL-7750

FIG B

Opposite side

FIG C

the same.

FIG B

6

MX-J800/MX-J850R

Parts list (CD changer mechanism)

Item Parts number Parts name Area

A

1 VKS1144-003 CHASSIS 1 2 VKS3698-003 TRAY GUIDE 2 3 VKS5532-003 PULLEY GEAR 2 4 VKB3000-164 BELT 2 5 VKS5505-003 GEAR B 2 6 VKS5506-002 GEAR C 3 7 VKS5507-002 CROSS GEAR U 1 8 VKS5508-002 CROSS GEAR L 1

9 VKS5510-003 SELECT LEVER 1 10 VKH5769-001 S.G.SHAFT 1 11 VKS5511-002 SELECT GEAR 1 12 VKW5155-003 COMP.SPRING 1 13 VKM3846-002 GEAR BRACKET 1 14 VKS5509-002MM CYLINDER GEAR 1 15 MSN5D257A-SA2 D.C.MOTOR ASS'Y 2 16 QYSPSPD2616Z SCREW 2 17 LV40612-001A COMP.SPRING 1 18 VKM3825-00AMM C.G.BASE ASS'Y 1 19 VKZ3172-00ASS CAM SW. R ASS'Y 1 20 VKZ3173-00ASS CAM SW. L ASS'Y 1 21 QYSPST2606Z SCREW 4 22 VKS2263-002MM CAM R1 1 23 VKS2264-002MM CAM R2 1 24 VKS2265-002MM CAM GEAR L 1 25 WDL316050MM SLIT WASHER 2 27 QYSBSF2608Z T.SCREW 16 28 VKS3702-00FMM DRIVE UNIT 1 29 VKS2247-004 MECHA HOLDER A 1 30 VKL7767-00B BRACKET ASS'Y 1 31 QYSBSF2606Z SCREW 2 32 VKM3860-00A M.HOLDER B AS'Y 1 33 VKL7802-00C M.HOLDER C AS'Y 1 34 QYSDST2604Z SCREW 3 35 VKL7810-00A LIFTER ASS'Y R 1 36 VKL7811-00A LIFTER ASS'Y L 1 37 VKL7812-00A LIFTER ASS'Y H 1 38 VKL2732-002 LIFTER BASE 1 39 VKM3857-001 LIFTER BRACKET 1 41 WDL266035-2 SLIT WASHER 1 43 VKS5514-002MM LOCK LEVER 3 44 VKY3133-002MM RETURN SPRING 1 46 VKY3134-003MM CLICK SPRING 1 47 VKS2252-00E TRAY ASS'Y 3 48 VKS2250-003 TOP BRACKET 1 49 VKS5515-002 S.TRAY STOPPER 1 50 VKW5156-004 TORSION SPRING 1 51 VKS3703-00G CLAMPER ASS'Y 1 62 LV40761-003A INSULATOR 4 65 --------------- CD MECHA 1 69 QGB2012J1-10 CONNECTOR 1 71 VKW5187-001 ROD 1 72 VYSA1R2-033 SPACER 1 73 LE30611-001A C.B HOLDER 1 74 QYSBSF3008Z SCREW 2 75 QUQ610-1509AJ CARD WIRE 1 76 EWS176-008 FLAT WIRE 1

Q'ty Description

FOR SELECT GEAR

FOR MOTOR

FOR BRACKET

FOR EWS176-008 FOR CD CB FOR HOLDER TRAVERSE 15 TRAVERSE 6

Block No. M2MM

7

MX-J800/MX-J850R

CD mechanism assembly and parts list

Grease Point

FG-87HS (Grease to apply have to be a little for the exchange.)

FG-87HS

Block No.

M

3

M

Parts list ( CD mechanism )

A

Item

1 E102731-221SM MECHA BASE 1 2 OPTIMA-7B OPTICAL PICK UP 1 3 E406777-002SM CD SHAFT 1 4 LV31002-001A CD RACK 1 5 E307745-441SM MECHA GEAR 1 6 QYSDSP2003N SCREW 4 7 E406750-442SM PINION GEAR 1 8 EPB-001PK TURN TABLE 1 SINGLE CD

9 E406784-001 FEED MOTOR 1 10 QAR0130-001 SPPINDLE MOTOR 1 11 EMW10190-441 P.C.BOARD 1 12 QGA2001F1-06 6P PLUG ASSY 1 13 QSW0506-001 LEAF SWITCH 1 14 E75832-221SS SPECIAL SCREW 1

Parts number Parts name

EPB309173PKA TURN TABLE 1 CHANGER CD

Q'ty

12

EXL-M7TMB EXL-M7MB

Block No. M3MM

Description

Area

8

Cassette mechanism assembly and parts list

Block No.

SLC-W6M

47

G

Cassette switch board

F

MX-J800/MX-J850R

M

4

M

47

F

Cassette switch board

3

Head amplifier & mechanism control board

9