Audio Board - Optima L903A Service Manual

19" Wide LCD Color Monitor

6.4 Audio Board

CN204
1
2
3
CONN
GND
CN201
1
5
4
3
2
AUDIO INPUT JACK
GND
ZD201
BZX79-B5V6
GND
VOLUME
R201 18K
R203 18K
R212
ZD202 220K
BZX79-B5V6
C211 R210 R211
C212
100pF
100pF 20K 20K
GND GND
12V
CN202
14 13
12 11
10 9
8 7
+12V 6 5
4 3
2 1
C214
GND
NC CONN
C204
0.47uF/100V
4
INL
9
INR
C206
0.47uF/100V 6
VOLUME
11
STBY
12
MUTE
+ C209 + C210 C213
0.1uF
1uF/50V 1uF/50V
GND
Title
Size
A
Date:
27
OUT_L
+12V
MUTE
+ +
C203
C201 C202
0.1uF
470uF/16V 470uF/16V
U201
E-TDA7496L GND
C205
470uF/16V
17
OUTL
14
OUTR
10
SVR
7
VAROUT_R
5
VAROUT_L
+
C208 R202 R207
200K
1K
470uF/16V
GND GND
Document Number
<Doc> 715G2128-1
Tuesday, June 13, 2006 Sheet
Optima L903A
OUT_R
C207
470uF/16V
R208
1K
Rev
1
1 of 1