JVC KS-FX725R Car Stereo System User Manual


 
Standard schematic diagrams
Receiver & System control section
FM Radio signal / Radio main signal
AM Radio signal
CD signal
Cassette signal
Front signal
Rear signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
ABCD E F G
1
2
3
4
5
2-3
KS-FX725R
CP401
Q9
IC161
R709
CJ601
TU1
IC801
R43
R42
R162
J1
L1
R161
Q2
R33
R2
R3
R169
C41
R32
R706
C904
Q42
Q8
C7
C31
C32
Q41
Q32
C702
C322
Q1
C5
R712
D353
C1
C321
R905
C703
C6
C162
R81
R82
R782
C76
C72
C75
C74
R71
D242
C73
R34
Q781
Q5
C164
D161
Q3
C802
R166
Q53
R172
R173
R750
C308
IC701
Q902
C309
C318
C319
D783
J801
R703
R702
R701
C42
R809
R808
R807
R806
R810
R803
Q31
R718
R719
R720
IC301
X701
C707
C706
R730
R722
R721
C708
R724
R723
R725
R728
R727
R726
C705
C323
C324
C325
C326
IC901
D162
D902
C2
R713
D333
D982
D343
C161
D323
R243
J321
R711
C243
IC71
R704
R59
C184
C183
C182
C181
R729
R731
Q901
R353
R333
D1
C903
C163
R301
R302
R311
R312
D901
Q784
R323
R343
C704
C77
CP901
R751
R752
C717
C78
R44
C701
R170
Q52
Q51
C54
C52
R708
R707
R705
C709
R978
Q977
C176
D4
C178
L903
R164
C305
L901
C901
C902
C4
D5
D6
C905
R805
R163
R5
R4
D2
R31
D709
R41
C713
R1
D704
Q7
R11
R733
C301
F1
R781
R904
Q10
R745
R83
C83
C84
R84
Q6
R10
R9
C71
X71
R73
R72
R8
C165
C307
C180
Q701
C168
R748
R747
R746
C906
C167
C177
C175
C179
C173
D241
D891
R165
R60
C982
C910
R307
R6
R308
R306
C907
C306
D981
R309
D703
D702
D701
D705
C43
C911
C166
R804R802
C801
C714
Q241
R716
R715
R714
R717
Q321
C327
R12
D706
R305
Q4
R910
D7
D3
D892
Q341
D782
D707
Q351
R741
R735
R743
R737
R734
R736
R738
C3
C302
R742
R246
D708
R247
C244
C81
C82
L902
C9
C55
C908
C242
Q331
R351
R331
R352
R332
R58
R54
C303
C304
C313
C314
R903
R902
R901
C909
R342
R322
R341
R321
D781
C781
R801
L2
R167
C33
R171
R168
C174
C172
C171
C169
R55
R53
C170
Q782
C782
R732
R740
C981
R56
R57
C53
C51
R906
R907
C8
R976
Q976
R977
Q891
C891
R891
R892
QGB1214J1-18S
TEA6320T-X
0
VMC0334-001
QAU0260-001
HD74HC126FP-X
10k
1k
0
QNB0100-002
4.7u
0
2SA1037AK/RS/-X
1k
4.7k 47k
330k
0.001
1.5k
10k
0.047
2SC2412K/R/-X
2SC2412K/R/-X
0.1/50
0.082
0.082
2SC3661-X
0.1
150p
DTC114EKA-X
1/50
47k
1SS355-X
100/16
150p
10k
220/10
1/50
1/50
10k
10k
47k
0.01
560P
47p
82p
2.2k
1SS355-X
2.2/50
1k
DTA114EKA-X
1/50
1SS355-X
2SA1037AK/RS/-X
120p
2.2k
270
270
47K
2.2/50
UPD178018AGC623
2SA1855/RST/-T
2.2/50
2.2/50
2.2/50
1SS355-X
QNZ0095-001
270
270
270
2.2/50
100
100k
100k
10k
330k
100
10k
10k
10k
LA4743K
QAX0406-002Z
27P
27P
390
10k
10k
0.1
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0.1
0.1
0.1
0.1
0.1
HA13164
1SS355-X
1SS355-X
47p
2SD1048/6-7/-X
10k
1SS355-X
CRS03-W
1SS355-X
2.2/50
1SS355-X
12k
QNN0175-001
47k
0.1
SAA6579T-X
0
470
2.2/50
2.2/50
2.2/50
2.2/50
47k
10k
2SD1048/6-7/-X
2.2k
2.2k
MTZJ9.1C-T2
2200/16
1/50
27k
27k
27k
27k
1N5401-TU-15
DTC114EKA-X
2.2k
2.2k
100/6.3
47/16
QNZ0112-001
10k
10k
0.047
0.01
1k
0.001
330k
2SC2412K/R/-X
0.1
0.01
4.7k
4.7k
0
0.1
12k
2SA1037AK/RS/-X
DTC114EKA-X
0.033
1SS355-X
0.0056
47u
0
0.1
QQR0703-001
10/16
0.047
0.1
1SS133-T2
1SS133-T2
0.1/50
100k
0
47k
3.3k
1SS355-X
1k
UDZS5.6-X
1.5k
0.001
33
2SC2412K/R/-X
UDZS5.6-X
2SC2412K/R/-X
22k
47k
4.7/25
QMFZ047-100-T
4.7k
18k
DTA114EKA-X
47k
15k
1200p
1200p
15k
2SC2412K/R/-X
4.7k
4.7k
0.022
QAX0263-001Z
2.2k
2.2k
4.7k
DTA114EKA-X
1/50
4.7/25
100/16
2SC2412K/R/-X
100/16
24k
47k
47k
100/16
47/16
0.0056
0.033
0.082
0.15
1SS355-X
1SS355-X
22k
DTC114EKA-X
47k
10/16
2.2
47k
12
47k
47k
1/50
0.1
CRS03-W
47k
UDZS5.6-X
UDZS5.6-X
UDZS5.6-X
UDZS5.6-X
0.47/50
150P
2.2/50
22k
330k
2SC3661-X
0.047
330P
2SC2412K/R/-X
4.7k
4.7k
4.7k
4.7k
2SD1048/6-7/-X
22/16
0
UDZS5.6-X
1k
DTA114EKA-X
4.7k
1SS355-X
1SS355-X
1SS355-X
1SS355-X
UDZS5.6-X
2SD1048/6-7/-X
47k
47k
47k
47k
47k
47k
47k
0.047
47/16
56k
15k
UDZS5.6-X
39k
0.1
0.015
0.015
47u
220/10
0.47/50
220/10
47/10
DTC114EKA-X
100
100
1k
1k
15k
47k
390p
390p
390p
390p
4.7k
10k
47
2200/6.3
1k
1k
100
100
MTZJ11C-T1
100/16
100k
47u
22k
150P
10
2.2k
0.22
0.0082
0.22
0.0082
10k
47k
0.15
DTA114EKA-X
220/10
47k
47k
0.1
2.2k
10k
2SC2412K/R/-X
0.0047
330P
1k
47k
47p
100k
UN2211-X
27k
UN2211-X
0.1
47k
1k
DETACH
SW5V
PCNT
CH.R
SCL
SK/ST
ENC1
ENC2
JBUSSCK
KEY0
KEY1
KEY2
LCDCK
DETACH
LCDCE
LCDDA
TU.R
TAPE.L
TAPE.L
TELMUTE
TAPE.R
LMETER
MUTE
LMETER
KEY0
KEY1
STANDBY
TAPEIN
MODE
SUB02
SUB01
FR
LCDCE
9V
CH.R
LCDCK
ACCDET
PCNT
JBUSIO
JBUSSI
CH.L
JBUSSO
DOLBY
LCDDA
MS
TAPE.R
SDA
RL
KEY2
RR
RR
FL
RL
FFREW
9V
MOTOR
TU.L
POWER
FR
FR
FL
REEL
ENC1
AFCK
FMOSC
SEEK/STOP
MONO
FM/AM
SD/ST
STAGE0
FMEO
AMEOENC2
10V
TU.R
SM
AFCK
AMEO
STANDBY
MOTOR
FMOSC
SD/ST
MONO
RDSCK
FM/AM
FR
TU.L
CH.L
RDSDA
SM
9V
JBUSSCK
9V
JBUSIO
STAGE0JBUSSO
JBUSSI
FMEO
FFREW
SEEK/STOP
SUB01
DOLBY
MS
SUB02
REEL
MODE
SK/ST
SW5V
10V
SCL
TAPEIN
MUTE
10V
POWER
ACCDET
SDA
PCNT
TELMUTE
RDSCK
9V