Acer B203W Service Manual page 47

R608
0R05 1/8W
CN602
1
2 Lin R606 10K 1/10W 5%
3
5
4 Rin R607 10K 1/10W 5%
PHONEJACK
CN604 ㎝ CN603
Layout
change R609
R610 R611 R612
CN604
add R616
EAR-LOUT 1
2
EAR-ROUT 3
SEL-BTL 4
NC/CONN
CN603 1
7 SEL-BTL
6
2
3
4
5
PHONEJACK
C615
NC
C606 0.47uF/16V
C607 0.47uF/16V
+5V_Audio
MUTE
R616 1K 1/10W 5%
change R601 R613
330 OHM +-5% 1/10W
R613
EAR-LOUT
EAR-ROUT
R601
330 OHM +-5% 1/10W
C616
R614 R615
NC
1K 1/10W 5% 1K 1/10W 5%
add FB602
+5V_Audio
+
C602
100uF/25V
add C617 C618
8
LIN+
C617 0.47uF/16V 7
LIN-
4
RIN+
C618 0.47uF/16V 5
RIN-
+5V_Audio
14
SHUTDOWN#
18
VOLUME
Q601
PMBS3904
100uF/25V
C613
LOUT+
100K OHM 1/10W
100uF/25V
C614
ROUT+
47
+5V_Audio FB602 +5V
1 2
BEAD
FB601
1 2
BEAD
U601
IC with Heat-sink(90G6258-2)
EUA6021AIIT1
12 LOUT+
LOUT+
LOUT-
10 ROUT+
LOUT-
ROUT-
20
ROUT+
2
ROUT-
16
BY PASS
15
FADE#
19
SE/BTL#
13
NC
+5V_Audio
56G 616 40
10K 1/10W 5%
R605
+5V_Audio
R603
R604
1K 1/10W 5%
R617 1K 1/10W 5%
Q602
C605 PMBS3904
1uF/25V
change R603 R604
add Q602 R617
CN601 change to
V type
CN601
4
3
2
1
CONN
BTL mode:Low
SE mode:High
Mute mode:Low
SEL-BTL
VOL