Kenwood KAC-PS541, KAC-X541 Schematics
A B C D E
Q
Q
Q
R406
R405
KAC-PS541/X541
1
2
L
C2T
LINE OUT
R
AL
LINE IN
AR
3
BL
LINE IN
BR
4
(X09-5780-10) (A/2)
J1
10
9
8
7
6
5
0.1
4
C124
3
0.1
C224
2
1
D101
C103
R101
10u50
1K
+
C101
1000P
C102
1000P
R1021KC104
10u50
+
D102
D100
D201
D200
C203
R201
10u50
1K
+
1000P
C202 C201
1000P
C204
R202
10u50
1K
+
D202
R104 R103
R203
10K 10K
C125
C225
10K
R204
470P
470P
10K
R197
300
R297
300
R170
R172
1K
R270
R272
1K
1K
1K
C126
C226
C105
R106 R105
C106
1000P
1000P
C205
R206 R205
C206
15P
10K
10K
15P
R296 R196
15P
10K 10K
15P
IC1
C113 15P
C114 15P
R124 10K R123 10K
(1/4)
13
12
3
2
R125 10K
C131 15P
C132 15P
R126 10K
IC1(4/4)
11
IC1(2/4)
R109
10K
74
R111 10K
R112 10K
IC1
(3/4)
R110
10K
8
C100
1000P
R100
1K
5
6
R107 10K
R108
10K
9
10
ISO
C150
22u16
R195 2.2K
+
R295 2.2K
2.2K
R194 2.2K
C250
2.2K
R294 2.2K
22u16
+
R200
1K
C200
1000P
5
6
R207 10K
R208
10K
9
10
IC2(2/4)
IC2
(3/4)
7
R211 10K
R212 10K
8
R209
10K
R210
10K
15.0V
C213 15P
R223 10K
C214 15P
R224 10K
IC2
(1/4)
13
12
-15.0V
3
2
R225 10K
C231 15P
C232 15P
R226 10K
IC2(4/4)
4
11
15.0V
1
14
-15.0V
1
14
10u50
C215
22u16
+
C216
22u16
+
C115
+
C116
10u50
R301
3K
22K
R933
C301
10u50
22K
R127
+
470P
C303
R303 22KR304 22K
Q905 Q41
ATT MUTE
Q906 Q42
+
R905
D915 D29
C38 0.01 C37 0.01 C34 0.01 C33 0.01
3.3K
R906
22K
R934
R302
3K
3.3K
6.2K
R365
R366
6.2K
22K
R128
C302
10u50
470P
C304
+
MAIN
AMP
D955 D30
IC1,2
BA14741F
:
IC3
784224YGC117
:
IC4
PST3436UL-E
:
IC6
BA4560F
:
IC8
BA10393F
:
IC9
P82B96PN
:
IC10
UPC494GS
:
D1,2
D4 UDZS16B
D8 RD15JS-AZ(B)
D9 UDZS6.8B
D11,38,406 UDZS5.1B
D12 UDZS4.7B
5
D17
D25
D26 FRH20A20
D29,30,91,102,154,160,
202,203,304,403,404,
915,955
D39,41,63,66-70,74,75,78,
83-85,151,152,157,158,
958
D62,93,101,153,155,159,
161,201,301,302,305,306,
308,401,402,405
D72 UDZS10B
D76,80,82,87,88,
100,200
6
RM4ZLF-J1NF
:
:
:
:
:
:
:
S5566B-QD13
:
RD16JS-AZ(B)
:
FCH20A20
:
:
LM1MA142WA-G
:
1SS355
:
LM1MA142WK-G
:
UDZS3.3BD71
:
:
UMZ6.8N
SIGNAL LINE
GND LINE
B LINE
B LINE
Q1,2,24,30,31,41-44,50,52,
56,57,61,65,80-83,85,95,
905,906,945,946
Q7,8 2SC4097
Q9,10
Q17 2SD2012-F
Q18
Q20 2SB1241
Q21,62,64,77,84,86,90,92
Q22 2SB1238
Q25,51,53,60,93,94,96,98
Q27,301-304,317,318,401-404,
417,418
Q54,63,73-75,91,97,99,967
Q58,59
Q66,67
Q210,309,409,410
Q212,311,411,412
Q305-308
Q312,319,419,420
Q314,321,421,422
Q315,316,415,416
Q320,323,423,424
Q322,325,425,426
2SC4081
:
:
:
2SA1577
:
2SK3662-FQ11-16,901,902
:
:
2SB1375-F
:
:
DTC114EUA
:
:
2SA1576A
:
2SK246(BL)-FQ26
:
2SA992-A(F,E)
:
DTA114EUA
:
2SC945AA(Q,P)
:
2SD1863
:
2SA1376AA(L,K)
:
2SC3419(Y)
:
2SC3478AA(L,K)
:
2SC2235-F
:
2SA965-F
:
2SC1845-A(F,E)
:
2SC3856NF
:
2SA1492NF
:
2SC3478AA(L,K)Q405-408
R946
3.3K
R945
3.3K
6.2K
6.2K
R466
R465
R401
3K
22K
R973
Q43Q945
Q44Q946
22K
R974
3K 10u50
C401
10u50
+
22K
R227
R228 22K
C402R402
+
C403
C404
470P
470P
R403 22K
R404 22K
5
9
DI
ISO-BL
11109
10
L-CLK
L-CE
8
141312
DO
D-GND
AMP-AL
AMP-AR
FILTER GND
ISO GND OUT
X08-
A
CN1
20171615 1918 2221
AMP-BL
AMP-BR
FILTER GND
ISO GND OUT
2/2
252423
FAN+B
ILL-GND
ILL+B
2726
+15V
28
SW5V
-15V
39
3029
NC
LOGO-LED+B
21
20
19
321
AUDIO-SDA
AUDIO-MUTE
ISO-AL
ISO GND IN
65487
ISO-AR
ISO-BR
ISO GND IN
CN4
7
AUDIO-SCL
X09-5780-10 A/2 (1/4)
12
JIHGF
7
R
0
R577
0
15V
R571 10K
KAC-PS541/X541
C319
C321
C322
C320
C421 C419
C422
C420
D203
6800P
6800P
D305
D153
D155
D306
6800P
6800P
D304
D403
6800P
6800P
D405
D159
D161
Q422
D308
6800P
6800P
D404
R359
1K
R331 R329 1K
1K
R232
R361
R330 1K
R459
R429 1K
R431 1K
R432 1K
R454
R430 1K
Q319
R341
4.7
R337
1.5K
220
R339
1.5K
R343
4.7
Q321
-36.0V
Q314
R342
4.7
R340
1.5K
220
R338
1.5K
R344
4.7
Q312
Q419
R441
4.7
R437
1.5K
220
R439
1.5K
R443
4.7
Q421
-36.0V
R442
4.7
R440
1.5K
220
R438
1.5K
R444
4.7
Q420
Q323
Q325
Q322
Q320
Q423
Q425
Q426
Q424
Q309
1.8K
R325
C313
C314
R326
1.8K
Q210
Q409
1.8K
R425
C413
C414
R426
1.8K
Q410
R351
VR5
510
120P
120P
510
VR6
R360
R457
VR7
510
120P
120P
510
VR8
R460
R333
100
33
Q311
220
C315
10u50
R335
100
D154
R328
100
C316
10u50
Q315
+
Q317
Q318
+
Q212
33
R334
R433
33
Q411
220 220
C415
10u50
R435
D160
R428
C416
10u50
Q412
220
33
R434
Q316
100
100
Q415
+
Q417
100
100
Q418
+
Q416
100
150
150
R315
R317
D301
C309
22P
6.8K
R303 22KR304 22K
R355
R309
C305
Q303Q301
100
4700P
C307 R311
R313
22K
+
C311
47u25 1K
01
50
+
470P
C303
R357
R319R321
4.3K 4.3K
100P
Q307Q305
1K
1K
R305
1K
R306
470P
C304
2
50
+
R356
MAIN
AMP
C306
R310
6.8K
R307
R308
4700P
100
Q304Q302
1K
C308
R312
220u50
47u25
1K
D151
C161
+
D152
+
R314
22K
C310
22P
C312
100P
D302
Q306
R322
R320
4.3K 4.3K
R316
R453
R323
R324
150
150
R161
150
10
1/2W
150
Q308
R358
150
R318
150
R417
D401
6.8K
R451
R419R455
Q405
Q406
R422
R420
4.3K 4.3K
4.3K
4.3K
R423
R424
R421
Q407
R461
150
10
1/2W
150
Q408
R458
C409
01
50
+
R403 22K
R405
R409
C405
1K
C403
470P
Q403Q401
100
4700P
1K
R407
R411
C407
1K
47u25
220u50
22P
R413
22K
+
D157
C461
+
C411
100P
D158
1K
R4061KR408
C406
4700P100
470P
C404
2
50
+
R404 22K
R410
R452
Q404Q402
6.8K
C408R412
C412
100P
+
47u251K
R414
22K
C410
22P
D402
39
3029
NC
LOGO-LED+B
R416
150
150
R418
R345
R347
R348
R346
R445
R447
R448
R446
36.0V
15.0V
Q53
RST
5V
0V
IC8
R503
15K
R619
R174
10K
R612 270
Q52
R7947R76
R8047R78
2.0V
5V
0V
Q80
R566
10K
D78
R568
10K
C30
D63
0.01
15K
R611
DATAC
C921 0.01
-15.0V
6.8K
6.8K
3.9K
R514
R506
10K
IC6(1/2)
1
4
R179
1K
R74
10K
Q51
R73
10K
4.7K
11
14
Q99
10K
10K
R515
1.5K
Q95
C504 0.1
R241 5.1K
C513
R75
0.1
C920
0.01
Q50
R510
4.7K
13
R517
6.8K
3
2
10K
R70
C503
R524
R525
10K
D69
0.01
D83
Q93
47
47
13
R187
68
R68
R69
10K
C81
R71 10K
R72
10K
Q96
R610
100K
C514 0.01
R529
1K
47u25
R573
4.7
R572
4.7
C76
0.01
R518
11K
220
D68
R67
10K
+
10K
C80
6
Q90
L5
Q
R578 10
+
10u50
10K
D8
57
1
CURRENT SIGNAL AMP
+
10u50
R967
330
R82
330
C515 100P
C516 100P
5V
0V
62
D66
D76
D67
D82
DATAH
J3
D41
Q967
10K
22K
R970
R81
22K
Q54
10K
R532 1M
R504 1M
63
R507
4.7K
Q82
R581
10K
Q83
R582
100K
GND
H/U-
195
2
3
4
IC6
(2/2)
8
7
D39
R613 10K
D958
10K
43
56
D70
10K
5V
0V
4
3
2
VEEIN2+
IN1+
IN2-
5
6
7
2.0V
2.7K
R513
60
REQC
6
10
711
812
5
6
1
IN1-
OUT1
OUT2
VCC
8
5.0V
R508
47K
R523
47K
Q81
CHCLK
13
H/U- AMP
0.1
2W
0.1
2W
0.1
2W
0.1
2W
36.0V
0.1
0.1
2W 2W
0.1
2W
0.1
2W
36.0V
R614
1K
D38
+
C255
10u50
C69
+
10u50
R84 47K R961 47K
R501
1K
D80
R500
1K
COMPARATOR
4.7K
R509
R516
15K
R502
100K
REQH
CHCON
C75
R964 15KR83 15K
LX BU
X09-5780-10 A/2 (2/4)
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