Service manual

200-100-AS576
A
AUDIO 4835
Acer Incorporated
66Friday, November 01, 2002
Title
Size Document Number Rev
Date: Sheet
of
VCC
VCC
OPVCC
VCC
GND
GND
GND
C132 1UF
C130 1UF
CN11
SCP606
CN8
BASE2S
1
2
R60
10K(NP)
R84
20K
C133 1UF
R73
1K
R25
2.2K
R22
2.2K
R80
20K
R69
NP
CN10
SCP606
C131
33PF
U14
APA4835&4838
1
8
14
20
23
6
16
27
2
3
4
5
7
9
10
11
12
13
28
26
25
24
22
21
19
18
17
15
29
GND GND GND GND GND
VDD VDD VDD
Shutdown
Gain Select
Mode
Mute
DC_Vol
Right Dock
Right In
Beep In
Lift In
Left Dock
Right Out+
Right Out-
Right Gain2 Right Gain1 Bypass
HP Sense
Lift Gain1 Lift Gain2
Lift out -
Lift out +
GND
R78
20K
R85
33K
R87
20K
C135
0.0068UF
R59
20K
R57
33K
C126
0.1uF
R56
20K
C104
10uF/16V
1
2
C99
0.0068UF
C115
0.1uF
R88 20K
R90 20K
R24
1K
C125
0.1uF
+
C37
47uF/16V
R62
10K(NP)
R61 10K
+
-
U5B
LM358-SO8
5
6
7
8
4
L14
BE0603
L13
BE0603
C123
2.2UF/16V
1
2
L16
BE0805
1
2
C100
33PF
CN7
BASE2S
1
2
L-OUT
R-OUT
DEL L15
DEL L17
DEL C134
DEL R86
DEL R89
L
R
MRT
RL
++-
-
-
CN8
CN8 CN7
MODE GND OP MAX
HI HP OUT
LOW SP OUT
HI SHUTDOWN
MODE VCC OP VOL
HPS
1
SDWN
0
GAINMUTE
001
MODE
PWM1_A 2
AUD_OFF4
Left out + L-SPOUT
R-SPOUTRight out +
Right out -
Left out -
VCC_AU
AUD4835_SD
Right out+
Right out-
LEFTIN
Left out-
RIGHTIN
Left out+
AUD4835_DCVOL