Acer B243HL Service Manual page 56

5
ROUT-
ROUT+
AR_IN
D
AL_IN
C
LOUT_P
+5V
LOUT_N
MUTE_IC
+5V
C714
AL_IN
C715 0.47/16V R704
1u/16V
B
VOL R708 10K
C716
1u/16V
A
5
4
change for FHD2102
CN701
ID from 90 degree to
2*8P 2.54mm 180°
Power Board
180 degree
R_OUT- L_OUT-
15 16
ROUT- LOUT-
R_OUT+ L_OUT+
13 14
ROUT+ LOUT+
AR
11 12
AR AR
AL
9 10
AL AL
MUTE
7 8
EO_R SHUT
VOL
5 6
EO_L VOL
3 4
Hp/Sp AGND
Audio5V
GND
1 2
GND +5V
1
+OUT_L +OUT_R
2
PGNDL PGNDR
3
PGNDL PGNDR
4
-OUT_L -OUT_R
5
PVDD PVDD
6
MUTE SHDN
PAM8603M
7
VDD GND
10K
8
INL INR
9
NC NC
10
VDC NC
11
Volume VREF
12
NC NC
U701
4
3
+5V
R705 10K MUTE_IC
+5V
Q702
R707 15K PMBT3904
1
ROUT_P
24
23
22
ROUT_N
21
20
19
18
AR_IN
R703 10K C713 0.47/16V
17
16
15
14
13
AC OFF PoP noise
solution change C717
form 0.1u to 4.7u
3
2
LOUT-
LOUT+
Z1 Z2 Z3
Mark Mark Mark
FB701
120Ω 3A
LOUT_P
C719
470p/50V
C707
FB702
120Ω 3A 470p/50V
+5V
LOUT_N
FB703
120Ω 3A
ROUT_N
C708
470p/50V
C722
FB704
120Ω 3A 470p/50V
ROUT_P
InnoLux PAM8603M
Document Number : SIZE :
AUDIO COMMON BOARD
TITLE :
Audio
2008-10-07
DATE :
Rev :
2 2
SHEET OF
2
1
D
C
LOUT+
LOUT-
ROUT-
B
ROUT+
APPRO BY :
B
A
CHECK BY :
DRAWN BY :
V05
1