KS-FX945R
2-2
KS-FX945R
H
A
B
C
D
E
F
G
1
2
3
4
5
TAPE signal
Tuner signal
CD changer signal
Front signal
Rear signal
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Standard schematic diagrams
Main amp section
To
Head amp section
CN401
To
LCD & Key control section
CN601
C40
C301
R738
IC801
IC901
IC71
Q782
R739
R740
C309
R734
J1
L1
D1
D2
Q7
Q91
D713
R7
C982
R5
C841
R6
C904
R735
R736
R74
IC701
R743
BZ841
R744
R745
R733
R841
C241
IC31
C902
Q902
C903
Q81
Q903
C50
Q901
R762
Q904
R906
C81
R81
R91
C92
C82
Q2
Q5
R83
R93
C72
C76
C71
C75
C74
R73
R72
C73
C5
R3
Q781
R761
R172
R907
R908
R909
C881
CN701
IC702
L701
C36
C35
C46
C164
C166
C161
C163
C165
C162
S701
S703
R746
C39
C47
R808
R807
R9
R173
C91
R166
R759
R169
D161
C244
R760
Q841
R803
R804
R805
R806
R810
R809
R801
C801
Q9
VSS
R783
D781
R716
R717
VDD
R758
Q881
VPP
B18
IC161
R979
R34
C32
X1
C706
R37
R36
R741
R242
R244
TD
C243
R243
R247
C319
Q241
D242
R742
C781
RD
R732
R35
R756
X701
SI
X702
SCK
D84
R168
J321
R170
C181
C891
R892
R891
SO
Q976
R94
Q8
R977
R976
R715
R782
IC301
R714
D162
R162
R161
C308
R2
TU1
D902
C183
C184
C182
Q6
S702
Q3
C318
C242
F1
D711
R8
R720
R881
D714
Q784
R882
R249
C77
R766
CN702
B801
B802
R43
C38
R44
R747
R748
R749
Q31
D323
R730
D783
C713
R301
R302
R311
R312
R305
D333
Q84
D901
R901
C901
C711
R322
R342
R332
R352
R978
R353
R343
R323
R333
R781
R729
R731
C782
Q52
D782
C882
IC771
C33
C37
R32
C34
C771
C52
D353
R53
R704
R703
D343
R737
C710
R54
Q51
R757
C83
R245
R241
C55
C54
R56
R57
R58
J801
R764
C712
D982
R240
R248
C906
R1
C43
R171
L901
R309
D701
R4
C716
C303
C4
R42
C31
R38
R751
C304
C313
C314
C168
C179
C177
C175
R905
C1
R92
R82
X71
R71
C48
C171
R307
C170
D903
R982
X31
R31
C169
C911
R765
R165
D703
R750
R910
C907
R39
C41
R51
D892
C306
C167
D981
R802
R702
R904
C327
R753
R721
R722
R723
R706
C178
R724
R981
C49
RESET
C909
R246
C94
D241
R726
C180
R728
R707
C701
C702
Q341
R708
R709
R33
C703
C704
R718
C176
C174
C173
R710
C172
C2
Q891
R167
D891
R711
R712
R713
R705
CP401
Q701
C3
C905
R999
C328
C10
R719
C908
CN901
D705
D707
C718
D712
B12
D709
D702
D704
D706
D708
R306
R767
C78
R95
R85
C311
C302
C717
Q53
R59
C305
C7
C6
C307
C323
C324
C325
C326
R903
R902
D4
Q321
Q331
R725
R40
R341
R351
R321
R331
R41
R164
R163
C42
C45
Q977
R771
C245
C9
C44
C51
R772
R52
C705
R701
R55
C53
C709
D710
Q351
C981
D5
C84
R754
R755
D718
C329
R308
C95
C85
L702
C714
C8
Q1
10/16
4.7/25
4.7k
HD74HC126FP-X
HA13164A
SAA6579T-X
UN2211-X
4.7k
4.7k
0.22/50
2.2k
QNB0100-002
4.7u
UN2211-X
2SD601A/R/-X
UDZS5.6B-X
4.7K
10/16
47k
0.1/50
47k
0.047
2.2k
2.2k
100
uPD784215AGC209
10k
QAN0023-001Z
10k
10k
10k
2.2K
1/50
TB2118F-X
0.047
2SA1855/RST/-T
3300/16V
2SD601A/R/-X
UN2211-X
100p
UN2211-X
47k
2SA1037AK/RS/-X
1K
1/50
9.1k
9.1k
0.0022
0.0022
2SD601A/R/-X
2SB709A/R/-X
4.7k
4.7k
0.022
0.01
560p
47p
82p
2.2k
2.2k
2.2/50
1/50
4.7k
UN2111-X
47k
270
47K
2.2K
47K
0.1
QNZ0007-002
IC-PST600M/G/-W
4.7u
7p
10p
0.01
1/50
2.2/50
2.2/50
1/50
1/50
1/50
QSW0451-001
QSW0534-001
10k
0.001
0.01
330
100k
68
270
1/50
2.2K
47k
220K
1SS355-X
0.22
47k
RB160M-30-X
UN2211-X
100
22k
100k
10k
100
22k
47k
0.047
UN2111-X
10k
1SS355-X
4.7K
0
47k
UN2211-X
0
TEA6320T-X
0R0
2.2k
47p
0.047
2.2k
2.2k
10k
180k
22k
0.047
12k
47K
0.22/50
2SD601A/R/-X
RB160M-30-X
10k
47/6.3
10k
2.2k
47k
QAX0617-001Z
QAX0401-001
1SS355-X
2.2K
220K
4.7/25
0.1
1k
47k
UN2211-X
0R0
UN2211-X
12k
27k
4.7K
47K
LA47505
10K
1SS355-X
0R0
0R0
0.22/50
47k
QAU0293-001
1SS355-X
QNN0489-001
4.7/25
4.7/25
4.7/25
2SB624/4/-X
QSW0451-001
UN2111-X
0.22/50
22/16
QMFZ047-150-T
1SS355-X
10k
22k
47k
UDZS5.6B-X
UN2111-X
4.7k
220
47/6.3
47k
QGA2006F1-02
0
0
470
1000p
220
4.7k
4.7k
4.7k
UN2211-X
1SS355-X
10k
UDZS11B-X
0.01
27K
27K
27K
27K
1K
1SS355-X
UN2111-X
1N5401-F64
47
10/16
100/10
1K
1K
1K
1K
0R0
2.2k
2.2k
2.2k
2.2k
10K
47k
47k
100/16
2SC2412K/R/-X
1SS355-X
22/16
BR24C16F-X
47/6.3
10p
6.2K
0.047
0.047
0.01
1SS355-X
47k
47k
47k
1SS355-X
0
47/6.3
10k
2SC2412K/R/-X
2.2k
0.1
47
47k
0.47/50
0.1
10k
15k
470
QNZ0095-001
100
0.01
RB160M-30-X
0
100/16
12
0.047
10
QQR0703-001
47k
1SS355-X
1SS355-X
UDZS6.2B-X
3.3k
0.1
390p
220/10
10
100/10
100
10k
390p
390p
390p
100/16
0.082
0.0056
0.033
10K
22/16
33k
33k
QAX0263-001Z
2.2k
0.047
0.22
47k
0.18
1SS355-X
2.2k
QAX0616-001Z
10
0.0082
2.2
510
22K
UDZS6.2B-X
10k
4.7K
1/50
0
0.047
22k
1SS355-X
0.22
47/16
47k
0
18K
22/16
47k
1k
10k
10k
47k
0.0056
0
2.2k
0.001
2200/6.3
1k
0.012
1SS355-X
10k
100/16
10k
47k
22p
27p
2SD1781K/QR/-X
56K
47k
10k
27p
8p
68k
0.033
0.22
0.18
47k
0.0082
0.047
UN2211-X
22K
1SS355-X
47k
47k
47k
47k
QGB1214J1-18S
2SC2412K/R/-X
0.01
0.1/50
0.47/25
22p
2.2k
220/10
QNZ0112-001
UDZS6.2B-X
UDZS6.2B-X
0.01
0
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
UDZS6.2B-X
47k
47k
103
33k
33k
0.22
47/16
0.1
UN2211-X
47k
0.22
0.01
0.01
1.0/50
0.1
0.1
0.1
0.1
4.7k
10K
1SS355-X
2SD1781K/QR/-X
2SD1781K/QR/-X
10k
39k
100
100
100
100
3.9k
0R0
0R0
0.01
6800
2SA1037AK/RS/-X
270
0.22/50
4.7/25
0.033
330P
270
47k
0.047
47k
2.2k
0.0047
0.01
1SS355-X
2SD1781K/QR/-X
0.1
1SS355-X
0.012
820
10M
SLR-56MC3F
0.47/25
47k
0.001
0.001
1R0u
0.047
220/10
UN2211-X
RDSDA
RDSCL
PCT
14V
MUTE
SUBMO+
SD/ST
BUZZER
CH.R
TAPE.L
ENC2
KEY2
9V
FR
FL
ACC5V
CH.R
LCDCE
SW5V
RR
CH.L
TU.R
RL
MOTOR
KEY1
REMOCON
TU.L
TU.R
TU.L
VOLCL
ENC1
VOLDA
FM/AM
LCDDA
RR
I/O
ACC5V
CH.L
SO
FL
DIMIN
FF/REW
PCT
LEVEL
KEY2
FR
SCK
RL
SO
INT
SI
BUZZER
LCDCL
LCDDA
A.GND
10V
SQ
A.GND
TAPE.R
A.GND
ENC2
SCK
REEL
LCDCE
MOTOR
ACC5V
SW5V
F/R
9V
10V
FF/REW
F/R
I/O
DOLBY
MSIN
REEL
SUBMO-
MODE
VOLDA
VOLCL
DOLBY
PLLDI
MSIN
TAPE.R
A.GND
TAPE.L
GND
TELMUTE
SUBMO-
SUBMO+
MODE
TAPEIN
STANDBY
LCDCL
LEVEL
KEY0
PLLCE
PLLDA
PLLCL
SI
KEY1
KEY0
SQ
SM
SEEK/STOP
MONO
TAPEIN
9V
STANDBY
MUTE
STEERING
SW5V
PCT
INT
MONO
REMOCON
SEEK/STOP
ENC1
10V
9V
AFCK
STEERING
SW5V
SW5V
SW5V
DIMIN
9V
RDSDA
RDSCL
9V
PLLDI
14V
PLLCL
PLLDA
PLLCE
FM/AM
AFCK
CPU.VDD
TELMUTE
SD/ST
SM