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1
2
D
U27
TDA1554Q
C
C250
CA77
R283
AMP-Lin
100u/16V
0
R287
C253
0.22uF
AGND
12K
0.01u
L88B
L88
12V-2
FB
FB
C252
CA78
CA81
0.1uF
1000uF
1000uF
GND
GND
GND
C251
R288
AMP-Rin
0
R289
C254
0.22uF
12K
0.01u
CA378
47uF
B
AGND
R281
47K
AMP-MUTE
A
1
2
3
0
GND
R
CON9
1
1
2
2
TJC9-2
L
CON12
GND
1
1
2
2
TJC9-2
R280
27K
CON10
12V-2
R282
4
3
W601
1
3
15K
2
W602
D74
1
0
CA79
V305
0
R284
CON4
10uF
0
CA82
AGND
Q25
220uF
1015
Q26
AGND
1815
D70
R285
15K
1N4148WS
R286
D71
15K
AGND
1N4148WS
AGND
3
4
5
R293
33K
U28
R294
C255
1
8
33K
Aout
VCC
R295
PH-Lin
100P
2
7
AIN-
Bout
3
6
10K
AIN+
BIN-
C258
4
5
GND
BIN+
1n
LM358/TDA1308
R297
PH-Rin
10K
C259
+ CA95
R300
1n
47uF/16V
33K
CA112
AMP-R
+12V
R351
10uF
10K
L5
L3
NC/FB
NC/FB
C414
100pF
CA111
AMP-L
R272
10uF
10K
4
5
6
7
R303
PH-Lin
PH1-Lout
0 R304
L89
PH-Rin
PH1-Rout
12V-2
+ CA94
FB
0
C262
47uF/16V
0.1uF
CA92
P5
5
PH1-Lout
4
3
CA93
100uF/16V
2
PH1-Rout
1
PHONEJACKSTEREO
100uF/16V
R296
C260
33K
100P
R301
R302
10K
10K
R356
R350
10K
10K
R354
PH-Rin
Q38
100
C295
MMBT3904
100nF
R355
1K
R298
R345
10K
10K
+8V
R348
PH-Lin
Q36
100
C293
MMBT3904
R349
100nF
1K
Title
Size
Number
A3
Date:
6-Jan-2007
E:\ 陈龙 \LCD\MSTAR\MST9X88\ 设计文件 \PCB\PCB-bak\PY12038-----Q(V1.0).DDB
File:
6
7
8
D
C
B
A
Revision
Sheet of
Drawn By:
8
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