Block diagram
1
KS-FX473R/KS-FX470R
P. B .
HEAD
RADIO/TAPE
SWITCH
CJ901
FED-L
FWD-R
REV-L
REV-R
MOTOR
MUTE
SWITCH
IC901
HEAD
AMP
MOTOR
T-MUTE
TAPEIN
TAPE-L
TAPE-R
CJ902
CP901
CP902
CN901 CN902 CJ701
F/R
MOTOR
T-MUTE
TAPEIN
J1
ANT
TU1
FM/AM
TUNER
MUX
IC761
RDS
DETECTOR
RDSCK
RDSDA
IC701
CPU
SI
SO
SCK
I/O
TU-L,TU-R
SM
SQ
AFCK
MONO
FM
SEEK/STOP
IFC
FMOSC
AMOSC
AMEO
FMEO
SD/ST
BUS INT
E.VOLUME
TAPE-L
TAPE-R
IC911
I2CSCK
I2CDAO
CH-L
CH-R
REAR-L
REAR-R
OUTFL
OUTFR
OUTRL
OUTRR
IC941
POWER AMP
FLOUT+
FLOUT-
FROUT+
FROUT-
RLOUT+
RLOUT-
RROUT+
RROUT-
IC961
REGULATOR
J751
CD-CH
J931
LINE OUT
CP961
SPK
BATT
COM1
LCD
COM2
COM3
S8~S52
KEY
MATRIX
S601~S620
IC651
LCD
DRIVER
KEY0~KEY2
LCDDA
LCDCK
LCDCE
CP701
KEY0
KEY1
KEY2
LCDCE
LCDCK
LCDDA
IC751
JVC BUS
BUS SCK
BUS SI/SO
-
Standard schematic diagrams
Main amp section
TU1
QAU0222-001
KS-FX473R/KS-FX470R
KS-FX473R/KS-FX470R
IC941
HA13158A
R9
1k
R10
3.9k
Q7
CN901
QGB1214J1-06S
CN902
QGB1214J1-06S
R701
R702
R703
R704
C7
0.012
Q10
D776
DSK10C-T1
270
270
270
270
D744
DSK10C-T1
0.056
C6
J1
QNZ0009-001
Q11
1k
R12
TAPE-L
TAPE-R
T-MUTE
TAPE-IN
J751
QNZ0095-001
R141
0.022
C761
R251
1/50
L1
4.7U
D1
D2
1SS119-041
1SS119-041
C18
C17
150P
1k
R24
R25
1k
R26
10k
R27
1k
2.2/50
C20
0.001
Q12
R14
470
F/R
0.22/50
C21
2SA1037AK/RS/-X
R8
4.7k 47k
R759
D6
MTZJ9.1C-T2
C9
R756
100k
R757
100k
R758
100
330k
220/10
Q1
DTC114EKA-X
R755
HD74HC126FP-X
1.5k
R29
9V
TAPE-IN
R306
R736R737
0
R32
Q2
C29
10p
DTC114EKA-X
C24
0.047
Q5
R4R5
D3
MA152WK-X
R303
C303
Q13
R754
0.1
100
47K
R301
R302
C751
0.01
C302
47K
TAPEIN
0.1
D5
3.3k 1SS119-041
C301
330p
R749
10K
LCDCE
LCDCK
LCDDA
47k
R773
R753R752
330k
22k
47k
2SA1037AK/RS/-X
22K
R34
SI
SO
I/O
SCK
47p
C30
Q6
R7
10K
R305
15K
2SD601A/R/-X
470
C304
2SD601A/R/-X
Q302
Q301
0.1
C305
10K
2.2K
2.2/50
R307
R304
10K
R743
DTC114EKA-X
10K47K
2SC2412K/R/-X
Q701
10k
IC751
KEY0
KEY1
KEY2
LCDCE
LCDDA
LCDCK
KEY2
KEY1
KEY0
C1
2SC2412K/R/-X
R3
4.7k
D951
1SS133-T2
8.2
R30
C701
C702
0.1/50
Q4
RB721Q-T2
27P
27P
C709
C151
1/50
Q3
0.015
C154
DTA114EKA-X
C766
C767
C765
47p
C764
82p
R708
100k
R713
10k
D701
R710
4.7K
C703
X701
C704
0.1
QAX0406-002Z
100/6.3
C251
R151
10k
Q151
2SC2412K/R/-X
4.7k
R153
Q951
DTA114EKA-X
47/16
0.01
X761
QAX0263-001Z
0.1
R711
390
R720
R719
R718
R761
R762
22k
R152
2.2k
4.7k
4.7k
4.7k
0.0015
C152
2.2k
R709
100k
10k
0.015
C254
2SC2412K/R/-X
R253
IC761
SAA6579T-X
Q251
4.7k
R706
1/50
C253
C153
1/50
22k
0.0015
C252
R252
C25
0.1
CH.L
TAPE.L
C762
560P
TAPE.R
CH.R
C763
2.2/50
R763
2.2k
47K
10k
R715
10k
R716
10k
R717
10k
R712
4.7k
R724
4.7k
R725
4.7k
R726
R116
R216
R117R217
10k10k
22k
C112
1/50
C212
1/50
22k
C911
T-MUTE
4.7k
4.7k
4.7k
4.7k
R721
R722
R723
R727
SI
I/0
SCK
SO
47/16
4.7k
R733
C211
R113
2.2k
22k22k
R112
C114
0.15
C113
1/50
0.0082
C116
C115
C111
0.22/50
C215
1/50
0.22/50
0.0082
C216
C213
C214
0.15
R212
R213
C912
100/16
2.2k
4.7k
R734
TAPEIN
TELMUTE
C117
0.033 0.033
C217
0.0056
0.0056
100/16
C913
IC701
270
R911
270
R912
10
R913
Q965
DTC114EKA-X
0.001
C705
C119
C118
IC911
TEA6320T-X
F/R
R705
C218
C219
C707
0.1
10k
1/50
1/50
1/50
1/50
R975
24K
Q967
2SA1037AK/RS/-X
R740
R979
R750
R748
R746
R738
R747
C708
220/10
1k
1k
R136
12K
R963
C984
220/6.3
Q979
220/6.3
D963
MA152WA-X
C982
10/16
R236
MA152WK-X
C963
Q961
2SA1037AK/RS/-X
R959
2.2K
27K
Q980
R960
Q960
2SA1037AK/RS/-X
D981
MA152WA-X
D982
L701
47u
2SA1037AK/RS/-X
Q964
DTC114EKA-X
2SB1322/RS/-T
Q962
47K
R970
MA152WK-X
Q963
R967
R969
2.2K
47k
R966
2.2k
DTC114EKA-X
C964
Q966
9V
Q959
DTC114EKA-X
TELMUTE
MA152WA-X
R980
1K
D980
DTC114EKA-X
R974
12K
47k
47K
47k
47K
47K
47k
47K
15k
R142
15k
15K
R241
15K
R242
R132D931
MA152WA-X
2.2k
R232
2.2k
R962 R961
6.8K
R977
D977
Q981
DTA114EKA-X
D978
C981
C977
100/6.3 DTA114EKA-X
220/6.3
IC961
10/16
AN80T05LF
DSK10C-T1
C967
10/16
D966
MTZ11BT-77
C965
220/10
39k
R144
39k
39k
R243
R244
180
Q978
DTC114EKA-X
10/16
C966
39k
R143
R235
R135
Q131
2SC2412K/R/-X
Q231
2SC2412K/R/-X
470p
C144
470p
C243
470p
C143
470p
C244
100
100
0.1
C971
0.047
C970
D965
4.7/25
C945
C962
DSK10C-T1
10/16
C932
0.22
J931
C944
0.1
0.1
0.1
C943
R941
C942
C978
4.7/25
C969
C961
D961
47
R978
4.7k
47K
QMFZ047-100-T
L961
QQRO528-002
!
0.047
2200/16
1N5401-TU-15
C980
0.047
C979
10/16
TUNER SIGNAL
TAPE SIGNAL
CD CHANGER SIGNAL
FRONT SIGNAL
REAR SIGNAL
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
C941
0.1
QAM0158-001
2-2
LCD & Key control section
3
R633
R631
820
820
D623
VMC0335-001
CP701
QLD0145-001
LCD1
S8S9S10
KS-FX473R/KS-FX470R
COM2
COM3
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S52
COM1
S51
S47
S48
S49
S50
R641
R640
R634
R632
330
330
C652
C653
C651
R662
R661
1.5k
S615
S602
S608
0.1
4.7/6.3
47k
680p
R607
R603R602
390330
S603
330
S609
S616
R608
R614
390
390
IC651
LC75823W
S604
S610
S617
R604
R609
R615
470
470
470
S605
S618
S611
R605
R610
R616
560
560
560
S606
S619
S612
R611
R617
820
820
S613
S620
820
D603
D602
820
5
820
820
R643
D618
D619
D620
R644
R64
D621
D622
R642
820
D601
820
820
820
820
820
D614
D615
D616
R646
R647
D611
D613 D612
R648
R649
D609
D610
D624
R650
R651
510
510
D604
D605
10K
R621
QLL0092-001
PL601
10K
10K
R622
R623
QLL0092-001
PL603
D655
MA152WK-X
D654
MA152WK-X
D653
MA152WA-X
150k
D652
MA152WA-X
R601
270
S601
R606
270
S607
R612 R613
270 330
S614
-
Head amp & Mecha control section
KS-FX473R/KS-FX470R
KS-FX473R/KS-FX470R
QGA2002C1-05
IC901
UPC1228HA
CJ901
CJ902
QGA2002F1-06
CP902
QGB1214K1-06S
C201
C202
820p
C203
100p
0.47/50
R203
C204
R204
330k
47/6.3
C205
100
0.01
R201
15k
C901
100/10
120
R901
R101
R104
330k
15k
C105
C104
C103
100p
0.01
100
R103
47/6.3
CP901
QGB1214K1-06S
C102
C101
0.47/50
820p
TAPE SIGNAL
2-4
ed circu
boards
KS-FX473R/KS-FX470R
5
Print
Main board
J1
J931
T02
L2
C2
C28
B747
L1
B750
1
D2
D1
R302
C302
C303
R304
R307
C304
Q302
R306
R303
R305
S601
S602
R602
S603
Q7
Q10
5
R4
R5
C17
C29
C24
10
R32
C30
15
C301
R34
C254
B757
Q3
Q301
R301
C761
IC761
B704
B756
C305
D623
R601
R640
R641
R642
D618
S607
D620
R605
FSMW1077A
it
C105
FSMW1075B
C203
R204
R201
B774
R135
R136
Q131
C932
R235
Q231
R236
R232
R132
D931
D6
R24
R9
C9
R10
C7
Q5
C6
R12
Q1
R8
D5
R26
R7
Q6
D3
Q13
R25
Q12
C18
R749
R252
C151
B724
C154
R251
C251
R253
Q4
R3
Q951
R153
C1
C764
R761
R762
X761
1
C763
C762
R763
R703
C968
R643
R606
D619
R702
R701
D740
D731
1
2
D732
D733
S03
D621
S604
D622
R603
S605
R604
D604
S606
C111
C211
R14
R30
B87
B74
B708
C21
R27
B742
C20
Q11
R29
B707
C252
R152
R151
B706
D951
Q251
B703
B702
Q151
R712
C25
C765
R704
Q2
B741
R714
R743
B758
C767
D735
C707
D744
C766
B740
R726
R724
R725
14
D736
Front board (Forward side)
PL601
D605
LCD1
R607
S608
S609
R970
C965
CN901
1
2
C966
IC961
B72
C112
B772
B711
C153
C253
C212
C911
C152
R746
B744
R738
B771
C710
B745
R751
C705
R705
B746
C708
R721
D701
R715
R716
R720
R719
15
C712
C711
D603
R608
R717
R718
C768
D738
D961
Q962
Q966
R969
B5
B6
C967
R113
R112
C114
C115
IC911
B712
C912
R748
21
20
D734
D602
C215
C214
R212
R213
R979
R740
40
R747
R771
80
1
R706
D739
B701
[REMOCON]
D601
R610
R609
S610
S611
1
R103
C103
R101
R104
IC901
C205
8
1
R
L
F/R
GND
S.GND
R959
Q960
R963
C113
C213
C704
B773
R962
C962
C970
Q961
1
R960
C963
B751
C117
C116
C118
1
C119
C216
B716
C217
R733
R736
R734
Q701
R737
R728
60
61
C701
R711
X701
C702
R708
R713
R707
D614
R611
S612
C101
C104
C901
R203
R901
CP901
6
9V
R961
Q959
D966
D963
B717
C219
C218
B770
B19
R912
Q980
D980
R730
B714
C703
D742
D615
1
C102
C204
CJ901
5
B913
C201
C202
C971
C980
D965
B16
R913
B776
C913
R911
R709
R980
R967
B752
L701
R966
B20
Q963
R750
B753
B754
B755
B766
R727
D741
S613
R755
R723
R758
R722
R759
D616
R612
S614
CJ902
C143
R143
C144
R144
C244
R243
R142
C243
R242
R244
R141
R241
R978
R941
Q965
R977
Q967
B775
D776
Q964
Q978
B768
B715
B769
R773
C751
R756
D611
D981
2
B767
D982
B720
D977
B11
R754
R753
14
IC751
1
7
C964
R644
R645
PL603
D612
R613
S615
FSMW1075C
CP902
C979
C941
C943
C944
C942
B759
B722
B29 B30
R648
R649
R616
R615
S616
C961
C969
R974
R975
C945
C978
CN902
1
R710
Q979
Q981
R752
C984
R757
D978
C981
C977
D653
D655
D609
S620
R617
D610
R646
S619
R647
D624
S618
S617
D613
T03
D652
D654
R663
R623
R661
C651
Front board (Reverse side)
C652
PL603
CP701
33
17
49
PL601
R662
C653
R631
R633
R650
R651
2-
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