5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
R-
R+
L+
L-
SOUND AMP
V0.1
20.1" LCD TV
A
10
11
Monday, October 08, 2001
Title
Size
Document Number
Rev
Date:
Sheet
of
MAIN_L
MAIN_R
EXT_MUTE
Vin
R254
24K
R260
330
CN25M
Speaker-4pin
1
2
3
4
+
C252
220uF/25V(DIP)
R252
4.7K
Q251
BC848
1
3
2
R253
8.2
R261
330
R251
4.7K
+
C256
220uF/25V(DIP)
R256
4.7K
L251
BEAD
IC251
TDA1519B
3
8
5
9
6
2
1
4
7
Vref
Mute
GND
Lin
OUTL
S_GND
Rin
OUTR
Vcc
R255
4.7K
C251
104
C261
104
+
C259
220uF/25V(DIP)
+
C262
10uF/16V
+
C258
10uF/16V
R259
22K
R
L
G
R
L
JA301C
PMJ014
2
5
1
3
6
4
7
C255
102
R257
8.2
C260
102
C257
104
R258
10K
+
C253
10uF/16V
+
C254
220uF/25V(DIP)
45