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.
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
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
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
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
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
CA-MXJ850R
MX-J800
Block No. M1MM
Block No. M1MM
Item Parts number Parts name Area
A
VKZ4341-204 SPECIAL SCREW
QYSDSF2608Z 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
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
J,C
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
27
M
27
2
M
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
FG-87HS
FG-87HS
Block No.
M
3
M
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
G
Cassette
switch board
F
MX-J800/MX-J850R
M
4
M
M
47
F
Cassette
switch board
3
Head amplifier &
mechanism control board
9
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