JVC KD-S687 Schematic
KD-S687
Block diagram
CJ1
ANT
5
SW1 SW4
REST
REST
SW
LOADING
MOTOR
4
FEED
REST
LOADING
LOADING
FEED
LOADING
SPINDLE
FEED
TRACKING
FOCUS
CN501
LM0
LM1
IC561
SERVO
CD
DRIVER
MOTOR
SPINDLE
SPINDLE
MOTOR
SW1 SW4
PICK UP
3
IC601 S619
KEY
SW1 SW4
A,B,C D,E,F
LD.MD
TRACKING
FOCUS
IC602
REMOCON
JS690
ENCODER
VA,VB,VC
VE,VF,MD,LD
IC501
RF AMP
MATRIX
ENC1
ENC2
2
REMOCON
KEY0,KEY1,KEY2
CJ601
CJ961
FEED
DMO,FMO,FOD,TRO
RF-GC,RF
RFRP,TE
SEL,TEB
RFDC,TE
CD-RW
IC571
CD
LPF
LO
RO
IC151
DSP
&
DAC
CD. L
CD. R
BUS0 BUS3
BUCK,CCE
RST,CDON
CD.L
CD.R
REMOCON
ENC1
ENC2
LCD.CL
LCD.CE
LCD.DA
KEY0
KEY1
KEY2
AMEO
FMEO
TU1
FM/AM
TUNER
FM/AM
FMOSC
IFC
AGC
S.METER
SD/ST ,MONO
S.METER
IC701
MICON
SI
SC
TU.LCH
TU.RCH
ANT
CDON
PS2
IC161
E.VOL
IC901
REGULATOR
EACH BLOCK
LRO
RRO
LFO
LRO
RFO
RRO
IC302
POWER
AMP
CN901
SPK
BATTERY
CJ302
LINE OUT
LF
RF
LR
RR
LCD1
COM1
COM2
COM3
S1
S50
IC601
LCD
DRIVER
LCD_CO
LCD_CLK
LCD_SO
1
AB CD E F G
2-1
Standard schematic diagrams
Main amp section
CJ1
QNB0100-002
5
C41
R42
R43
1k
3.9k
0.056
C42
0.012
Q41
2SC3661-X
R41
1k
4
9V
3.3V
FEED+
FEED-
LM0
LM1
REST
SW1
SW2
SW3
SW4
CD.L
A-GND
CD.R
BUS0
BUS1
3
2
BUS2
BUS3
BUCK
CCE
RST
SW5V
CDON
CD-RW
CD8V
DETACH
ILL_10V
R5V
REMOCON
ENC1
ENC2
LCD.CL
LCD.DA
LCD.CE
KEY0
KEY1
KEY2
CJ691
VMC0334-001
D701
D702
D703
D704
D705
D706
D707
D708
D709
1000p
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
C710
C711
0.1
1
Q42
2SC3661-X
C31
2.2/50
R32
R33
1k
0.001
Q32
2SD601
AMEO
FMEO
ANT
TELMUTE
BZ841
R841
10k
DETACH
R747
MONO
SEEK/STP
FM/AM
JBUS.INT
JBUS.SI
JBUS.SO
JBUS.SCK
JBUS.I/O
QAN0009-001Z
2.2k
UN2211-X
C32
Q31
1.5k
2SD601
R31
KD-S687KD-S687
Q976
47/6.3
C976
C705
220/10
C709
0.1
C706
C702
C701
0.01
C801
22p
22p
0.1
100k
R811
R803
UN2111
R332R331
R308
27k
R198
R188
1001k
C331
100P
C321
27k
R196
27k
R186
100
100
100
220p
C194
220p
C184
IC901
HA13164A
C906
2.2/50
27k
R195
27k
R185
R305
47k
R307
4.7k
220p
C193
220p
C183
100P
C351
100P
C341
100P
C313
100p
C314
100p
C315
100p
C316
100p
C320
22/16
C319
C306
100p
C305
100p
C304
100p
C303
100p
C317
0.022
C318
100/16
C300
0.022
C902
C901
2200/16
D901
1N5401-F64
QQR0703-001
L901
R901
1k( 1/4W)
CJ321
CJ322
R909
1k
R815
CH.LCH
10k
D907
CRS03-W
D908
CRS03-W
MUTE
1SS133
D301
QNZ0095-001
QNZ0002-001
RF+
RR+
LR+
LF+
RFRR-
LR-
LF-
TEL
CN901
QAM0254-001
R813
47k
R812
47k
1k
R814
CH.RCH
LR-
LF-
LR+
LF+
IC302
LA4743K
0.1
C361
0.1
C362
47/16
0.1
C363
0.1
C364
R316
47k
R306
470
4.7/25
Q301
UN2211-X
RF-
RR-
RF+
C308
C309
RR+
4.7/25
C915
10/16
0.01
D906
CRS03-W
R907
2.2k( 1/8W)
R908
2.2k( 1/8W)
C914
0.1
D905
CRS03-W
R322
R352
R342
C196
1/50
C195
1/50
27k
R197
27k
27k
R187
C185
1/50
1/50
C186
1k
R902
9.1k
Q977
4.7u
L702
UDZ11B-X
D977
R810
R802
C162
470p
CD.L
TU.LCH
CH.LCH
CD.R
TU.RCH
CH.RCH
SI
SC
ANT
CD8V
ILL-10V
10k
100k
R801
56k
R244
R5V
POWER
CDON
PS2
C977
330
100/16
R162
6.8k
C163
0.1
C244
100k
C171
10/16
R804
R805
R171
220k
R161
220k
C587
10/16
C802
10/16
R175
R176
R245
D242
1SS133
0.22/50
UN2111
10047k
10/16
C803
10/16
12k
C597
C243
D243
C173
C172
470p
C161
R172
6.8k
0.1
10/16
R808
2.2k
2.2k
0.047
1SS133
22k
R906
R905
R241
Q241
2SD601
22/16
C242
R242
R246
180k
R248
100
1k
1.2k
C211
0.01
R243
1k
R806
47k
R807
100
HD74HC126FP
IC801
C212
0.1
220k
220k
D244 D245
1SS133
22k
R249
R247
C245
1/50
C213
1SS133
47k
0.0047
C214
UN2211
1M
R211
470p
C174
IC161
BD3860K
47/16
C178
R961
51k
Q964
4.7/25
10/16
C215
R221
R201
0R0
0.082
C975
R809
0
LFO
MUTE
D331
1SS133
D341
1SS133
1M
4.7/25
0.1
C202
C205
0.01
C201
C180
B962
0
2SB709
Q963
C216
100/16
RFO
LRO
RRO
TELMUTE
TEL
0.1
C181
C182
C179
C905
220/10
C891
0.01
R968
0.1
R335
R325
R321
R351
R355
R345
R341
R892
2.2k
A-GNDA-GNDA-GND
C164
10/16
C166
C167
C176
C177
C191
C192
2.2/25
2.2/25
UDZS10B-X
D101
C909
10k
220/10
27k
C908
R967
D903
R891
0.22
0.22
2.2/25
2.2/25
220/10
0.01
10k
R192R182
10/16
C907
C204
0.22
0.22
C913
C175
0.0047
10k
10k
2.2k
2.2k
1k
1k
2.2k
2.2k
1k
C203
0.0047
470p
R191
R181
1SS133
22/16
C904
C165
0.0047
R163
3.3k
R173
3.3k
10k
10k
C903
47/16
R893
47k
Q891
UN2211-X
10/16
Q331
2SD1048/6-7/-X
Q321
2SD1048/6-7/-X
Q351
2SD1048/6-7/-X
Q341
2SD1048/6-7/-X
LFO
RFO
LRO
C910
R903
RRO
R194
27k
R193
27k
R183
27k
R184
27k
4.7k
Tuner signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
CD signal
Front signal
Rear signal
D976
1SS133
TU1
QAU0257-001
L1
4.7u
1k
R3
1k
R1
10k
10k
R701
R702
R703
0.1/50
R10
10/16
C21
R23
R842
10k
47k
47k
1k
D22
1SS133
UN2211-X
Q23
C35
47p
R749
4.7k
4.7k
4.7k
R704
R710
R711
R712
R713
R686
R685
BUZZER
Q21
2SB1197
PS2
0
10k
R746
C912
R22
1k
Q2
UN2211-X
RST
47k
47k
47k
47k
47k
47k
47k
BUS3
4.7/25
150p
R21
FM/AM
BUS2
10k
15
R25
9V
BUS1
1SS133
D2C1C18
BUS0
15
R26
1SS133
D1
CCE
SI
10/16
BUCK
SC
LM1
2.2k
R745
0.1/50
C3
220/16
C24
LM0
CD-RW
LM1
2.2k
R744
IC701
UPD178078GF-559
2.2k
2.2k
R708
R707
R706
LCD.CL
LCD.DA
LM0
0
2.2k
R709
LCD.CE
47
R2
FM.OSC
SW3
SW2
15p
0.22/50
C2
C16
R9
0.01
C85
R8
R5V
R739
SW4
REST
10k
47k
0.01
0.033
0.033
R4
R5
C83
C84
C14
8.2k
22k
S.METER
BUZZER
47k
10k
10k
R714
R715
ENC1
ENC2
FEED+
IF.C
SEEK/STP
MUTE.CONT
CDON
POWER
FEED-
SD/ST
R721
R719
R717
S.METER
D971
ISS355
D972
ISS355
Q1
UN2211-X
SW1
REMOCON
10k
R735
MONO
10k
10k
10k
KEY0
0.1/50
C12
C17
4.3k
56p
R723
R83
VDD
R724
KEY1
KEY2
2.7k
R81
1/50
C81
TU.LCH
R722
R720
R718
R971
47k
2.7k
R82
1/50
C82
R731
R729
R727
47k
47k
TU.RCH
VPP
R726
4.7k
4.7k
4.7k
4.3k
R84
47k
5p
10
0.022
C5
C22
R27
Q22
2SB709
D21
1SS133
R34
470
D31
C33
Q841
220/10
MTZJ10C-T1
10k
VDD
VSS
R748
ILL_10V
R750
R976
C841
R24
2.2k
MUTE.CONT
JBUS.INT
JBUS.SCK
JBUS.I/O
JBUS.SO
JBUS.SI
C333
0.047
R734
100k
RESET
R733
47k
R732
10k
0.01
C708
C707
R728
X1
X701
QAX0406-001Z
C703
R725
47k
9V
Q971
2SD601
10k
220/10
47k
0.1
L701
4.7u
FMEO
AMEO
FM.OSC
IF.C
47k
0
SD/ST
0
R716
VDD
2-2
HAB C DE FG
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