Pioneer TS-WX205A Service Manual page 5

5
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
C109
MIXER
100p
R116
R111
27k
10k
R113
7
510
8
6
R115
IC102
5
3.3k
(2/2)
R114
R112
5.6k
100 IC102:
UPC4570HA
IC103:
C152
UPC4570HA
0.047
IC103
(1/2)
4
2
R152 R151
3
12k 12k
+
5
C113
C151
22
0.1
/50
R122
LPF AMP
510
D155
D156
RD5R6JS ISS133
SWITCHING
D172:RD6R8JS Q174:2SA1048
TP115
Q171
2SA1048
TP122
R178
R171
10k
47k D172
+
Q175
C173
R173 DTC114ES
220
100
/16
C174
100p
D181
+
C178
1SS133
C179
R172
100 D173
0.1
5.6k
/10 1SS133
Q176
2SC2458
D180 1SS133
5
6
BUFFER
C110 100p
R119
75k
3
9
2
4
IC102
(1/2)
R118 R117
39k 68k
C112
R120
IC103
0.056
12k
(2/2)
9
6
8
R121
7
12k
C111
0.18
R131
18k
R181
100
R168
R169
C155
4.7k
22k
820p
Q174
D175 D176
D179 1SS133
1SS133 RD5R6JS
Q178:DTA114ES Q178
R179
10k
Q177
DTC114ES
R180
1k
Q179
D177
2SC2458
1SS133
D178
RD7R5JS
6
7
: AUDIO SIGNAL ROUTE
POWER AMP
VCC
STBY
1
4
5
IN
IC131
2
(1/2)
C131
7
0.47/50 RIP
3 9
+
+
C142 GND
47/16
C141
IC131:
0.022
TA8231L
R132
100k
VCC
14
12
R141
IN
IC131
100
16
(2/2)
C132
15
R182
17 10
0.47/50
1k
Pre-GND
+
R183
GND
470
TP117
R184
22k
TH171
R185
10k
TH171
TCX1005
7
8
TS-WX205A
CN105
TP120 TP121
SP UNIT
4
3
2
1
TP119 TP118
OUT1 –
C133
220 C137
R133
0.1
/16 2.2
OUT +
6
8
OUT –
C139
R135
C135
0.1
2.2
220
/16
OUT1
OUT2 –
C134
C138
220 R134
0.1
/16 2.2
OUT +
11
13
OUT –
C140
R136
C136
0.1
2.2
220
/16
OUT2
A
8
A
B
C
D
5