Kenwood KAC-PS650D Service Manual page 10

A B
AUDIO UNIT (X09-5450-10) (A/2)
+16V
D101 IC1 IC1
ISOLATION
(4/4)
AMPLIFIER
R101 C103
R109
1K 10u16 4
1 12
14 10K 10
+
13
9
R107 10K R115 10K
R111 10K C133 15P
D103
C100 1000P
R100 1K
R112 10K C134 15P
R102 C104 R108 R116 10K
D104
1K 10u16
10K
+ IC1
(1/4) 6
2
1 R110 5
3
10K
D140 C140 11
J4
1000P
L
2
D102
D240 C240 16V
1000P P1
+16V
D201
IC2 IC2
ISOLATION
(4/4)
AMPLIFIER
D340 R209
C340 12 4
10K
14 10
13
1000P
R
9
R201
C203
1K
10u16
L
R207 10K R215 10K
+
R211 10K C233 15P
D203
C200 1000P
R200 1K
R212 10K C234 15P
D204
R202 C204 R208 R216 10K
1K 10u16
3
R 10K
+
6
2
R210
1 5
3
10K
11 IC2
(1/4)
D202
16V
+16V
D301
IC3 IC3(3/4,4/4)
ISOLATION
(4/4)
AMPLIFIER
R306
12 4
10K
14 10
13 8
9
R301
IC3
2.2K
R305 10K
(3/4)
C302
R302
10u16
2.2K
R307 10K R309 10K
4
+ D302
C300 1000P
R300 1K
16V
R346
15K
IC3((1/4,2/4)
ACCUMULATOR
/INVERTER
IC5
VR4
IC6((3/4,4/4)
LOW
PASS
INFRASONIC
FILTER
R344 FILTER
R331 15K 15K
R332 R333 C314 C317
R340
43K
3.3K 2.2K 0.022 0.033
R335 R336 R337
13
15K 12K 2.2K
14
12
C319 C320
9
0.22 0.22
5 IC5 8
10
(4/4)
IC5
(3/4)
IC7
8
6
BASS IC7
5
BOOSTER (1/2)
4
R8 1.2K
+16V
D8
BMS FREQUENCY
6
CUT-OFF
IC9
Q315
(BOTTOM VIEW)
22K
8 1
22K VDD I/O1 1 D9
7 2
CONT1 O/I1 2
6 3
O/I2 CONT2
5 4
I/O2 VSS
R9
1.2K
J3 16V
1
BMS 2 31
7
C D
+16V
R121 8.2K
IC1
C115
4
(3/4) 6
C109 C111 C113
7 10u16V
10u16 0.1 0.22
8 5
IC4
(2/4)
VR1
IC4
C110 C112 C114
(1/4)
C116
7 10u16 0.1 0.22 3
1 10u16
2
IC1
11
R122
(2/4)
8.2K
IC4
HIGH PASS
16V
FILTER
S2
R221
8.2K
IC2
C215
(3/4) 9
C209 C211 C213
10u16
8
8 10u16 10u16 S1 0.1 0.22 10
IC4
R227
(3/4)
47K
S5
VR2
R228
47K
IC4
C212 C214
C210
(4/4) C216
0.1 0.22 12
7 10u16 10u16
14
+ 13
R222
IC2
8.2K
(2/4)
IC5
VR3
LOW PASS
S3 FILTER
R233 15K
C305
R234 R235 R236 C219
10u16
3.3K 2.2K 47K 0.022
R238 12K
R237 R239 R240 R241
2 4
7.5K 10K 2.2K 220K
1 6
3
5
11 IC5
(1/4)
16V
C324 47P C325 47P
C326
R312 10K R313 R314 10K 10u16
+
10K
2 6
1 7
3 5
IC3 IC3
11
(1/4) (2/4)
16V
+16V
IC6 D303 R342 18K
(4/4)
IC6
(3/4)
9
C321 C322
13 4 8
0.22 0.22
14 10
12
11
D304
16V
C328 3.3u50
R318 910K
R317
C310 2.2u50
7 220 R321 220K
IC7 (2/2)
3
C306
0.47 2
1
33
R330 5.6K
34
+16V
C311 100P
BASS
BOOSTER
IC8
16V
E F
(X08- ) (A/3)
CN7
1
VR1
2
R151 390
3
R152 390
4
5
WH3
1
6
R143
2
100 CN8
3
1
S4 VR2
2
R251 390
3
IC6
R252 390
(2/4)
C130
5 4
10u16
7
R146 6 4 5
10K 2 5
R148 10k
6
6
C128 47P
CN9
VR3
1
R351
IC6((1/4,2/4)
2
390
WH2
INVERTER
3
1
4
3 2
R243 100 S1
3
5
4
6
4 5
6
VR4
WH1
1 1
2 2
3 3
4
5 5
IC6 41 6
(1/4)
3
1
2
R248 10K
C228 47P
R151
Q1-4
2.2K
1 1
MUTE
R1
Q1
1.5K
R2
1.5K
C223 C224 D1
0.033 10u16 R152 Q2
2.2K
+
2
R251
2.2K
3 3
R3
43
Q3
1.5K
D3
7
R4
1.5K
IC5
(2/4) Q4
R252
4
2.2K
+16V
16V
IC11(1/2) IC11(2/2)
TRIANGULAR PWM
WAVE FORM WAVE FORM
OSCILLATOR OSCILLATOR
R365
820
IC11
1 14
NC1 NC14
D305 2 13
R364
NC2 NC13
1.5K
3 12
AGND AOUT
4 11
AIN+ V+
5 10
AIN- BIN-
6 9
V- BIN+
7 8
BOUT BGND
D309
R362 3K
C356 1800P
D306
C357
R366 4
2
1 0.01
4.7K 3
IC10 (1/2) 8
16V
IC10(1/2)
R351 C331 R354
IC10 (2/2)
2.2K 10u16 1K
5 TRIANGULAR
7 R358
WAVE FORM
6
4.7K OSCILLATOR
D5
R356 C354
IC10(2/2)
1K 47P
ACCUMULATOR
R357 680K
Q13
R376
33K
G H
PREAMPLIFIER UNIT (X08-4100-10) (C/3)
+B
C201 10u16
+
Q201,203
C203 1000P
FIRST STAGE
DIFFERENTIAL R201 47K
AMPLIFIER
Q201
R205
1K
Q205,207
R203
6.8K R209 C205
2ND STAGE
R207
DIFFERENTIAL
100 4700P 1K
AMPLIFIER
R211 C207
Q203
1K 47u25
Q215,217
OVER CURRENT
DETECTOR D1
C211
100P
R221
R215 D201 R219 4.3K
R223
150
150
4.3K Q205
R217 150 Q207
Q209
Q209
CURRENT C213
MIRROR
120P
D203
Q215 Q217
R227
C219 C221
100
6800P 6800P
D205
R229 R231
DRIVER 1K 1K
D2
DRIVER
R237
220
Q211 Q213
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6
CN2
CN2
10 9 8 7 6 5 4 3 2 4 1 6 5 4 3
+16V
16V
10 9 8 7 6 5 4 3 2 1 6 5 4 3
CN12
CN12
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5
R238
Q212 Q214
220
R230 R232
DRIVER
DRIVER 1K 1K
D204 C220 C222
6800P 6800P D12
R228
100
Q216 Q218
D206
C214
CURRENT
MIRROR
R218 120P
150 Q210
R224
Q208 150
D202 R220 R222 Q206
R216 150
4.3K 4.3K C212
100P D11
Q216,218 R212 C208
1K 47u25
OVER CURRENT
DETECTOR R208
Q204
1K
R204
Q206,208
6.8K R210 C206
2ND STAGE R206
100 4700P 1K
DIFFERENTIAL
AMPLIFIER
Q202 R202 47K
Q202,204
C204 1000P
FIRST STAGE
DIFFERENTIAL
C202 10u16
AMPLIFIER
+B
(X08- ) (B/3)
I J
+B
C101 10u16
+
Q101,103
C103 1000P
FIRST STAGE
R101 47K
DIFFERENTIAL
Q101 AMPLIFIER
R105
R103 Q105,107
1K C105 R109 6.8K
2ND STAGE
DIFFERENTIAL
R107 4700P 100
AMPLIFIER
1K C107 R111
Q103
47u25 1K
Q115,117
+
OVER CURRENT
C111 DETECTOR
100P
D101
R121 R119 R115
R123
150
150
Q105 4.3K 4.3K
Q107 R117 150
Q109
Q109
C113 CURRENT
MIRROR
120P
D103
Q117 Q115
R127
C121 C119
100
6800P 6800P
D105
R131 1K R129 1K
DRIVER
Q111
DRIVER
R137
B
Q113 220
B
5 4 3 2 1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN3 CN1
CN3 CN1
2 1 10 9 8 7 6 5 4 3 2 1
+16V
16V
+35V
R6 10 1/2W
35V
R7 10 1/2W
35V
2 1 10 9 8 7 6 5 4 3 2 1
CN4 CN11
CN4 CN11
4 3 2 1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
B
Q114
R138
220
R132 R130
DRIVER Q112
1K 1K
DRIVER
C122 C120
D104
6800P 6800P
R128
100
Q118 Q116
D106
C114
CURRENT
MIRROR
120P R118
Q110 150
R124
150 Q108
Q106 R122 R120 D102
R116 150
C112 4.3K 4.3K
100P
C108 R112 Q116,118
47u25 1K
OVER CURRENT
+
R108 DETECTOR
Q104
1K
Q106,108
C106 R110 R104
R106
2ND STAGE
1K 4700P 100 6.8K
DIFFERENTIAL
AMPLIFIER
R102 47K Q102
Q102,104
C104 1000P
FIRST STAGE
DIFFERENTIAL
C102 10u16
AMPLIFIER
+
+B