Acer T230H Service Manual page 63

5
AL1 AL1
1 2
120/CX201209813/8 120/CX201209813/8
5DV
AL2 AL2
1 2
120/CX201209813/8 120/CX201209813/8
D
AR2 AR2
4.7K/6/NC 4.7K/6/NC
AR4 AR4
AUDIO_PWR
100/6/NC 100/6/NC
AR7 AR7
SHUTDOWN
C
AC9 AC9
AUDIO_R
1
AUDIO_R
AC10 0.47uF/6 AC10 0.47uF/6
AUDIO_L
1
AUDIO_L
AR8 AR8 10K/6 10K/6
VOL VOL_ADJ
B
AGND
VDD
AR15 AR15
4.7K/6 4.7K/6
A
AR17 AR17
1
AUDIO_EN
100/6 100/6
AGND
5
4
1W=913mA
Q4 Q4
AO3415/NC AO3415/NC VDD
2 3
AC1 AC1
AR1 AR1 0.1uF/6 0.1uF/6
100uF/25V 100uF/25V
10K/6/NC 10K/6/NC
AGND
AR3 AR3
2K2/6/NC 2K2/6/NC
Q5 Q5
1
2N3904/NC 2N3904/NC
AGND
AU1 AU1
22/6 22/6
1 16
SHUTDOWN ROUT-
AC8 AC8 2u2F/8 2u2F/8
2 1 2 15
BYPASS VDD
0.47uF/6 0.47uF/6
2 3 14
RIN- ROUT+
4 13
GND GND
5 12
GND GND
2 6 11
LIN- LOUT+
7 10
VOLUME VDD
8 9
SE/BTL LOUT-
AC11 AC11
1uF/6 1uF/6
AR9 AR9 VDD APA2069S APA2069S
10K/6 10K/6
AR10 AR10
AR11 AR11
AGND AGND 100K/6/NC 100K/6/NC
100K/6/NC 100K/6/NC
SE_BTL
VDD
AR12 AR12
4.7K/6 4.7K/6
AR13 AR13
4.7K/6 4.7K/6
DEL AR14, AR16, Q6
SHUTDOWN
VOL
VOLUME
Q7 Q7
2N3904 2N3904
4
3
AC2 AC2
AC3 AC3
VDD 330uF/16V/NC 330uF/16V/NC
1
AC5 AC5
1uF/6 1uF/6
AGND
AC12 AC12 AC13 AC13
100pF/6 100pF/6 100pF/6 100pF/6
AGND AGND AGND AGND
Need Near ACN2
3
2
For Earphone
AR14 AR14 330/6/NC 330/6/NC
2
SE_BTL
AR16 AR16 330/6/NC 330/6/NC
1 2
AC4 AC4
330uF/16V/NC 330uF/16V/NC AC6 AC6 AC7 AC7
AR5 AR5
0.1uF/6/NC 0.1uF/6/NC
0.1uF/6/NC 0.1uF/6/NC 1K/6/NC 1K/6/NC
AGND AGND AGND AGND
ACN2 ACN2
4
3
2
1
JST 4PIN PH=2.0mm H JST 4PIN PH=2.0mm H
AC14 AC14 AC15 AC15
100pF/6 100pF/6 100pF/6 100pF/6
AGND
AL3,AL4,AL5 改0 ohm for EMI
08/12/26
Title Title Title
Size Size Size
B B B
Date: Date: Date:
2
1
ACN1 ACN1
4
3
2
1
AR6 AR6 JST 4PIN PH=2.0mm H/NC JST 4PIN PH=2.0mm H/NC
1K/6/NC 1K/6/NC
AGND
AL3 AL3
0/8 0/8
1 2
AGND
AL4 AL4
0/8 0/8
1 2
AGND
AL5 AL5
0/8 0/8
1 2
AGND
PROJECT NAME :WCT9-M1
AUDIO DAC/AMP AUDIO DAC/AMP AUDIO DAC/AMP
MAIN BOARD:AUDIO DAC/AMP
Document Number Document Number Document Number Rev Rev Rev
Wednesday, May 20, 2009 Wednesday, May 20, 2009 Wednesday, May 20, 2009 Sheet Sheet Sheet 9 9 9 of of of 9 9 9
1
D
C
B
A
C1B C1B C1B