JVC KD-SX925R User manual

SERVICE MANUAL
CD RECEIVER
No.49548
Feb. 2000
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
This service manual is made from 100% recycled paper.
Printed in Japan
200002(O)
VICTOR COMPANY OF JAPAN, LIMITED
MOBILE ELECTRONICS DIVISION,10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan
KD-SX979R / KD-SX925R
KD-SX924R / KD-SX909R
(No.49548)
KD-SX979R / KD-SX925R
KD-SX924R / KD-SX909R
KD-SX979R / KD-SX925R
KD-SX924R / KD-SX909R
Area Suffix
E ---- Continental Europe
Contents
Safety precaution 1-2
Preventing static electricity 1-3
Instructions 1-4~20
Disassembly method 2-1
Adjustment method 2-6
Flow of functional operation
until TOC read 2-7
Maintenance of laser pickup 2-9
Description of major ICs 2-10
Block diagram 2-26
Standard schematic diagrams 2-27
Printed circuit boards 2-29~30
Parts list 3-1~16
KD-SX909R
KD-SX979R
KD-SX924R
KD-SX925R
45Wx4
TP
DISP
RPT
SSM
SCM
MO
RND
7 8 9 10 11 12
PTY
CD -CH
FM/AM CD
/I
ATT
/
5
˚
DAB
RDS
45Wx4
TP
DISP
RPT
SSM
SCM
MO
RND
7 8 9 10 11 12
PTY
CD -CH
FM/AM CD
/I
ATT
/
5
˚
DAB
RDS
45Wx4
TP
DISP
RPT
SSM
SCM
MO
RND
7 8 9 10 11 12
PTY
CD -CH
FM/AM CD
/I
ATT
/
5
˚
DAB
RDS
45Wx4
TP
DISP
RPT
SSM
SCM
MO
RND
7 8 9 10 11 12
PTY
CD -CH
FM/AM CD
/I
ATT
/
5
˚
DAB
RDS
KD-SX979R
KD-SX925R
KD-SX924R
KD-SX909R
Illumination color
COLOR
BLUE
RED
WHITE
Remote controller
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

KD-SX979R/KD-SX925R
KD-SX924R/KD-SX909R
2-26
CD PICKUP UNIT MECHA. SWITCH
SOINDLE/FEED MOTER
LODING MOTER
SW1 ~ 4
TRAKING FOCUS
SPINDLE FEED
CN501
LOADING
RF AMP
IC521 CD DRIVER
IC501
DSP & DAC
IC521
RF TE FE
FMO DMO TRO FOO
SYSTEM
CONTROLLER
IC701
CD LPF
IC581
CHANGER CONTROL J771 E.VOL
IC161
CD L/R
FM/AM TUNER TU1
POWER
AMP
IC301
CN901
LPF1 LPF2
VOL CL VOL DA VOL CE
CD L/R
BUSO ~ 3 BUCK,CCE,RST
FRONT L FRONT R REAR L REAR R
TUL/R
CN701
CN711
J1
L-CH R-CH
AM/FM
CN601
ENC1,2
REMOCON
SHUTTLE SW.
EN601
REMOTE
CONTROL
RECEIVER
IC602
OPERATION SW.
S601 ~ S619
LCDDA LCDCL LCDCE
LCD
LCD DRIVER
IC601
S1 S68 COM1 3
LM0/1
CHL L/R
LINE OUT
J321
KEY0 2
Block diagram
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

FRONT SIGNAL
REAR SIGNAL
TUNER SIGNAL
CD SIGNAL
CD CHANGER SIGNAL
Standard schematic diagrams
Main amp. section
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

CD SIGNAL
CD servo, LCD & Key control section
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

Item Parts number Parts name Area
A
Parts list
Q'ty Description
Block No. M1MM
1 ZCKDSX909R-NPA NOSE PIECE 1KD-SX909R
ZCKDSX924R-NPA NOSE PIECE 1KD-SX924R
ZCKDSX925R-NPA NOSE PIECE 1KD-SX925R
ZCKDSX979R-NPA NOSE PIECE 1KD-SX979R
1-1 FSJC1058-001 FRONT PANEL 1
1-2 FSJD3024-01F FINDER ASSY 1KD-SX979R
FSJD3024-01G FINDER LENS 1KD-SX909R
FSJD3024-01H FINDER LENS 1KD-SX925R
FSJD3024-01J FINDER LENS 1KD-SX924R
2 FSJC1029-024 TOP CHASSIS 1FOR KD AND ISO
3 FSMH3001-003 HEAT SINK 1BLACK
4 FSKM3011-002 BOTTOM COVER 1
5 FSMA3005-001 INSULATOR 1
6 QYSDST2604Z SCREW 3CHASSIS+CD MECH
7 FSKZ4005-001 SCREW 3CHASSIS+SIDE PA
8 QYSDST2606Z SCREW 3CHASSIS+REAR BK
9 QYSDST2606Z SCREW 2CHASSIS+MAIN PW
11 QYSDSF2006M SCREW 2
17 ------------ CD MECHA 1
18 FSXK3003-005 VOL.KNOB 1JOG DIAL
19 FSYH4036-035 SHEET 1SLIDING SHEET
21 FSXP2045-002 PRESET BUTTON 11-6 LASER CUT
22 FSXP3053-002 POWER BUTTON 1
23 FSXP3058-001 EJECT BUTTON 1
24 FSXP2041-003 PUSH BUTTON
(
L
)
1
25 FSXP4006-001 SCM BUTTON 1
26 FSXP2038-002 OPERAT.BUTTON 1
27 FSXP3061-001 SEL BUTTON 1
28 FSJK3027-001 RIM LENS 1FOR KNOB
29 FSJK4009-001 REMOTE LENS 1FOR REMOTE CON.
30 FSXP3059-001 DETACH BUTTON 1
31 VKW3001-330 COMP.SPRING 1FOR DETACH BUTT
32 VKW3001-330 COMP.SPRING 1FOR EJECT BUTTO
33 FSJC1059-001 REAR COVER 1
34 VKZ4777-001 MINI SCREW 5FRONT+SW.PWB
35 FSYN3118-005 NAME PLATE 1KD-SX925R
FSYN3119-005 NAME PLATE 1KD-SX924R
FSYN3120-005 NAME PLATE 1KD-SX909R
FSYN3115-005 NAME PLATE 1KD-SX979R
36 FSYH4080-001 LIGHT SHEET 1KD-SX925R
37 FSYH4061-002 LIGHT SHEET 1KD-SX909R/924R
QLD0113-001 L.C.DISPL.PANEL 1KD-SX979R
QLD0123-001 L.C.DISPL.PANEL KD-SX925R
QLD0124-001 L.C.DISPL.PANEL 1KD-SX909R/924R
43 FSYH3024-001 L.C.D.CASE
1
44 FSJK3028-001 L.C.D.LENS 1
1
(General assembly)
38 FSYH4036-059 LIGHT SHEET
1
KD-SX925R
42
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

Item Parts number Parts name Area
A
Parts list
Q'ty Description
Block No. M1MM
46 QNZ0449-001 RUBB.CONNECTOR 1
47 QNZ0450-001 RUBB.CONNECTOR 1
48 1
FSYH4061-001 LIGHT SHEET 1909R/924R/979R
49 FSKS3017-002 L.E.D.HOLDER 1
51 FSJC1061-001 FRONT CHASSIS 1
52 FSXP3060-001 RELEASE LEVER 1
53 FSKW3002-016 COMP.SPRING 1FOR RELEASE KNO
54 VJK3709-002 LIGHT LENS 1
56 FSYH4036-055 SHEET 1FOR LIGHT LENS
57 FSKS3014-001 OPEN LEVER 1
58 FSKS3015-001 LOCK LEVER
(
O.L
)
1
59 VKS3794-003 LOCK LEVER
(
L
)
1
60 VKS3793-001 LOCK LEVER
(
TOP
)
1
61 VKS3798-002 RELEASE LEVER 1
62 VKS3795-002 LOCK LEVER
(
R
)
1
64 VKS5563-001 GEAR 1
65 VKZ4786-002 OIL DAMPER 1
66 VYTA526-002 BLIND 1
67 FSKW4013-002 T.SPRING 1FOR OPEN LEVER
68 FSKW4012-002 T.SPRING 1FOR L.LEVER
(
TOP
69 VKW5262-001 T.SPRING 1FOR L.LEVER
(
R
)
70 VKW5264-005 T.SPRING 1FOR RELEASE LEV
71 VKW5263-002 T.SPRING 1FOR L.LEVER
(
L
)
72 QYSDSF2006M SCREW 1DAMPER+L.LEVER
(
73 VKZ4777-001 MINI SCREW 1F.CHASSSIS +LEN
74 VKZ4777-001 MINI SCREW 1LOCK LEVER
(
O.L.
75 FSKM3012-014 REAR BRACKET 1
76 QYSDST2606Z SCREW 3
77 VMA4652-001SS EARTH PLATE 1
80 QYSDSF3006Z SCREW 1
81 QMFZ021-150-J1 FUSE 1
82 FSKL4024-001 P.W.B.BRACKET 1
83 FSKL4015-002 REG BRACKET 1
84 FSKL4014-002 HEAT SINK 1
88 FSYH4036-032 SHEET 1
89 SHEET 1
90 SHEET 1
94 FSXP3062-001 PUSH BUTTON 1
95 FSXP2043-001 UP DOWN BUTTON 1
(General assembly)
KD-SX
45 FSKS3013-001 LENS CASE
FSYH4036-056
FSYH4036-031
FSYH4061-003 LIGHT SHEET 1KD-SX925R
A
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

101
102 23 102
23
1
101
101 101
49
20
62
68
67
61
72
110
62
66
65
64
10
11
8
9
100
2
14
15
13
12 17
16
d
a
b
c
b
90
70
71
57
91
4
3
7
6
19
18
105
48
43
50
41
42
47
46 103
30
49
49
31
d112
55
56
47
107
131
36
107
107d
38
32
54
34
33
130
106 29 108 106
46 135 104
107
40
63
39 a
51
52
109
132 35
37
86
113
113 134
87
80
117 92
84
54 78
c
79
88
93
22
22
89
62
81
82
85
83
114 115
116
102
101 108
100
133
57
CD mechanism assembly and parts list Block No. MM
M
2
Grease
G-31SA
G-31SA(Bottom side)
RX-405
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

Item Parts number Parts name Area
A
Parts list
Q'ty Description
Block No. M2MM
1 30310101T FRAME 1
2 30310103T DANPER PIN 2
3 30310107T UPPER PLATE 1
4 30310108T SEL STOP PLATE 1
5 30310142T SEL ARM
(
L
)
L 1
6 30310143T SEL ARM
(
R
)
L 1
7 30310145T S ARM SPRING
(
L
)
2
8 30310112T TRIG LEVER 1
9 30310155T TRIG PL
(
Z
)
1
10 30310115T TRIG PL SPRING 1
11 30310116T TRIG ARM 1
12 30310134T FIX ARM
(
L
)
B 1
13 30310159T FIX ARM
(
R
)
Z 1
14 30310150T FIX PL
(
L
)
Z 1
15 30310156T FIX PL
(
R
)
Z 1
16 30310138T LDG GR
(
6
)
B 1
17 30310122T LDG GEAR
(
6
)
SP 1
18 30310148T S.L ARM
(
N
)
1
19 30310125T S.L ARM SPRING 1
20 30310149T REAR DAM BKT
(
Z
)
1
22 30310151T HUNG UP SP
(
FZ
)
2
23 30310129T HUNG UP SP
(
R
)
2
29 30300510T PU GEAR
(
B
)
1
30 --------------- T.T.BASE
(
Z
)
1
31 --------------- TURN TABLE
(
Z
)
1
32 30310544T F.M.BASE
(
Z
)
1
33 30310547T FD GR BLK
(
Z
)
1
34 --------------- FD GR AZ 1
35 --------------- FD GR CZ 1
36 30310546T PU GUIDE
(
Z
)
1
37 --------------- FD SCREW
(
Z
)
1
38 30310533T THRUST SPR
(
M
)
1
39 30310548T PU M NUT
(
Z
)
1
40 30310512T NUT PUSH SPR PL 1
41 30310558T CLP ARM
(
Z
)
1
42 30310514T CLP ARM SPRING 1
43 30310552T CLAMPER
(
Z
)
1
46 --------------- LOCK PIN
(
FZ
)
2
47 --------------- LOCK PIN
(
RZ
)
2
48 30310557T CLAMPER PLATE
(
Z 1
49 30310524T DAMPER
(
J
)
3
50 30310525T CLP ARM SPR
(
L
)
1
51 30310545T F SCREW GUIDE
(
Z 1
52 30310556T PU G.SP PLT
(
Z
)
1
54 --------------- FEED MOTOR 2FF030PK-09210
55 --------------- SPINDLE MOTOR 1RF300CA-11440D
56 64180405T DET SW 1ESE11SF4
57 OPTIMA-720L1 C.D PICK
(
CAR
)
1
(CD mechanism)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

Item Parts number Parts name Area
A
Parts list
Q'ty Description
Block No. M2MM
61 30311035T FPC HOLDER
(
Z
)
1
62 19501403T WIRE CLAMPER 3
63 30311037T PICK UP FPC
(
Z
)
1
64 30311036T CONNECT.PCB
(
Z-J 1
65 30311038T WIRE
(
5P-Z
)
1
66 30311039T WIRE
(
LD-Z
)
1
67 30311040T WIRE
(
FD-Z
)
1
68 30311041T WIRE
(
RS-Z
)
1
70 64180402T DET SWITCH 2ESE22MH1
71 64180403T DET SWITCH 2ESE22MH3
72 68150232T CONNECTOR 1TKC-W26X-C1
78 --------------- LDG PULLEY 1
79 30311105T SOPPORT PLATE 1
80 30311138T GR MT BLK
(
N
)
1
81 30311109T LDG GEAR
(
2
)
1
82 30311110T LDG GEAR
(
3
)
1
83 --------------- LDG GEAR
(
4
)
1
84 30311112T LDG GEAR
(
5
)
1
85 --------------- LDG GR ARM 1
86 30311136T LDG ROLLER 2
87 --------------- LDG RLR SHAFT 1
88 30311118T L.P SPRING
(
L
)
1
89 30311119T L.P SPRING
(
R
)
1
90 30311123T SW PCB 1
91 30311124T SW ACTUATOR 1
92 30311129T LDG BELT 1
93 30311140T FRONT BRKT
(
J
)
1
100 9C0620503T C B TAP SCREW 2M2X5
101 9C2020401T C SCREW TS.G 5M2X4
102 9C4320403T C B TAP SCREW 4M2X4
103 9C0117223T SCREW 2M1.7X2.2
104 9C4217703T C TAP SCREW S3 1M1.7X7
105 9C0320201T C TAP SCREW S3 1M2X2
106 9C4920013T C TAP SCREW S3 2M2X10
107 9C4920603T C TAP SCREW B3 4M2X6
108 9P0220031T TAMS SCREW 2M2X3
109 9C0314203T C TAP SCREW 1M1.4X2
110 9C0420253 C TAP SCREW 1M2X2.5
112 --------------- POLY WASHER 12.1X3.5X0.3
113 9W0330276 NW BLUE 22.9X5X0.3
114 --------------- WAVE WASHER 1
115 --------------- LUMILAR WASHER 12.5X6X0.1
116 9W0725030T LUMILAR WASHER 12.3X9.8X0.25
117 9W0640030T WASHER 11.4X3.2X0.4
130 303105310T FEED MO ASSY 1
131 303105311T SPINDLE MO ASSY 1
132 303105312T FEED SCREW ASSY 1
133 303111301T LDG MOTOR ASSY 1
(CD mechanism)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com

Item Parts number Parts name Area
A
Parts list
Q'ty Description
Block No. M2MM
134 303111302T ROLLER SHAFT 1
303111302T ROLLER SHAFT 1
135 303105502T T.T.BASE ASSY 1
(CD mechanism)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
“无奇不有”电路图网 http://www.xiaoyu163.com