Acer AT1921 - Page 57

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A
A
ENABLE
ENABLE
+12V_AMP
ENABLE
AMP_GND
AMP_GND
+12VAUDIO +12V_AMP
DV33A
+12V_AMP
+12V_AMP
OUT2-
OUT1-
OUT2+
OUT2+
OUT1-
OUT2-
OUT1+
OUT1+
GPIO204
+12VAUDIO 2,11
AMP_L11
AMP_R11
OFF_MUTE
Title
Size Document Number R ev
Date: Sheet
of
<Doc> C3B
AUDIO AMP
Custom
13 14Tuesday, May 29, 2007
Reset circuit
PROJECT :E9T-PV
L37
Bead_121_4A/8
C147
0.1uF/6
R252
47k/6
U21
MAX809-S SOT-23 2.93V RST/NC
SOT23
VCC
3
RSTN
2
GND
1
C180
680nF/6
R245
10k/6
C169
1uF/6
R272
10k/6
L42 22uH
L41 Bead_121_4A/8
E B
C
SOT
23
Q35
2N3904/NC
2
3
1
C154
1uF/6
C175
680nF/6
C155
180pF/6
C157
100pF/6
R270 1M/6/NC
C163
1uF/6
R258
10k/6
E B
C
SOT
23
Q20
2N3904
2
3
1
R266
47k/6
C172
1uF/6
R299
10k/6
L39
Bead_121_4A/8
C185
1uF/6
C179
470pF/6
R412
1k/6/NC
C174
470pF/6
R274
220k/6
R256
10R/12
R268
10R/12
R246 10k/6
C178
180pF/6
C148
0.1uF/6
L38
Bead_121_4A/8
C151
0.1uF/6
R273
47k/6
R251
10k/6
CON2
4606-04-04P-R
1
2
3
4
+
CE43
100uF/16V
12
L36
Bead_121_4A/8
C158
470pF/6
C184
180pF/6
C156
220nF/6
C160
0.1uF/6
L45 22uH
C168
330nF/6
TP45
C150
330uF/25V
C183
220nF/6
L40
Bead_121_4A/8
R27110R/12
R267 1M/6/NC
TFA9810
VDDA1
4
VSSA1
5
IN1P
2
IN1M
3
IN2P
15
IN2M
14
OUT2P
23
OUT1P
26
OUT1M
28
OUT2M
21
VDDP1
25
VDDP2
24
VSSP1
30
VSSP2
19
BOOT1P
27
BOOT2M
20
STABI1
31
ENABLE
7
SO/OL
6
DIAG
10
VSSD
16
VSSD
17
VSSD
1
VSSD
32
VDDA2
13
VSSA2
12
BOOT1M
29
BOOT2P
22
STABI2
18
TEST
11
CDELAY
8
N.C.
9
R248
10R/12
C159
680nF/6
R298
4.7k/6/NC
L44 22uH
R259
47k/6
R263
10R/12
R261
220k/6
C149
330uF/25V
C182
100PF
C167
220nF/6
C152
0.1uF/6
C166
0.1uF/6
C176
0.1uF/6
R249
220k/6
R257 1M/6/NC C164
470pF/6
C146
0.1uF/6
C165
680nF/6
C181
0.1uF/6
D48
LL4148/NC
1 2
L35
Bead_121_4A/8
R265
10k/6
R260
10R/12
R255 1M/6/NC
C170
1uF/6
L43 22uH
C173
220nF/6
C177
470nF/6
C162
470nF/6
R247
10k/6
R254
10R/12
R262
220k/6
C161
180pF/6