Acer AT2002, Service Manual

Page: 76 / 85

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
A_SPEAKER_2-
A_SP
HPR_29
A_SPEAKER_1-
HPL_29 A-OUT_L29
A_SP
HP_138
A-OUT_R29
HPL
H PR
SPKRO-
SPKLO-
SPKLO+
SPKRO+
+5V_REF
+12V_AMP
+12V_AMP
+5VB1
AGND
+5V_REF
+5V_REF
+5VB1
+5V_REF
AGND
AGND
AGND
AGND
AGND
AGND
GND
GND AGND
+5V_IN +5VB1
A-OUT_LA 6
A-OUT_RA 6
S-AMP_MUTE 3
PROTN_138 3
S-AMP_SLEEP 3
Title
Size Document Number R e v
Date: Sheet o f
HUDSON PLATFORM
AUDIO AMP OUT
7 8 Monday, June 26, 2006
B3C
SCHEMATIC1
H : NORMAL
L : PROTECT
S-AMP_MUTE
H : AMP OFF (Default)
L : NORMAL OPERATION
HeadPhone Jack
S-AMP_SLEEP
H : AMP Power Saving ( Default)
L : NORMAL OPERATION
SPEAKER OUTPUT
AT2002 ,20" TV
R
206
NC/6
1
2
R215
2.2R/8
1
2
+
C197 10UF/10V
C196 1uF/6
C210
0.1uF/6
R207
75R/6F
R211
75R/6F
C214
0.1uF/6
+
C195 10UF/10V
R
209
NC/6
1
2
C
202
0
.0
1uF
/6
C201
NC/ 0.22uF
C215
0.1uF/6
+
C206
100uF/25V
1
2
U11
YDA138
INL
38
VREFL
39
INR
5
VREFR
4
VOL1
27
MODE1
24
MODE0
23
CKIO
19
XO
20
X1
21
MODE2
25
HPOL
42
HPOR
1
HP
37
OUTPL
35
OUTML
29
OUTPR
8
OUTMR
14
PVDDPL
36
PVDDML
28
PVSSL
30
VOL0
26
PVDDREG
40
VSSBGR
3
REFA
41
AVSS
2
DVDD
22
DVSS
18
PVDDPR
7
PVDDMR
15
PVSSR
9
PROTN
16
SLEEPN
17
MUTEN
6
THERMAL
43
PVSSR
10
PVSSR
11
PVSSR
12
PVSSR
13
PVSSL
31
PVSSL
32
PVSSL
33
PVSSL
34
THERMAL
44
THERMAL
45
THERMAL
46
THERMAL
47
THERMAL
48
THERMAL
49
THERMAL
50
THE
RMA
L
51
THE
RMA
L
52
THERMAL
58
THERMAL
57
THERMAL
56
THERMAL
55
THERMAL
54
THERMAL
53
C208
0.1uF/6
Q11
2N7002E
3
2
1
C194 1uF/6
1 2
R
208
NC/6
1
2
R219
3.3K/6
1
2
FB10
Bead_121_4A/8
+
C
213
10U
F
/1
0
V
C198 1uF/6
C212
0.1uF/6
FB6 Bead_121_4A/8
C211
0.1uF/6
L12
Bead_121_4A/8
R214
2.2R/8
1
2
Q12
NC/2N7002E
3
2
1
R
204
10K/6
R222
NC/75R/6F
CN8
4501-04-05P-R
CONN5P-2_0-RH
1
2
3
4
5
R
205
10K/6
R217
NC/6
1 2
C207
0.1uF/6
R216
2K/6
1 2
FB7 Bead_121_4A/8
C
205
0
.0
1uF
/6
L13
Bead_121_4A/8
CN9
4501-04-04P-R
CONN4P-2_0-RH
1
2
3
4
R213
2.2R/8
1
2
C216
0.1uF/6
R220
3.3K/6
1
2
C
204
0
.0
1uF
/6
R
202
NC/6
1
2
R212
2.2R/8
1
2
L14
Bead_121_4A/8
FB9 Bead_121_4A/8
R218
NC/22/6
R199
100K/6
C199 1uF/6
R200
1K/6
R
210
NC/6
1
2
R
203
10K/6
FB8 Bead_121_4A/8
+
C209
100uF/25V
1
2
R201
1K/6
C
203
0
.0
1uF
/6
L15
Bead_121_4A/8
C200
NC/ 0.22uF
R221
75R/6F