AOC LE22H067 Service Manual page 52

AUD_AMP_MUTE
7 AUD_AMP_MUTE
R636 NC
C639 R638
AMP_LIN
10 AMP_LIN
1uF 25V 4.7K 1/10W
R640
10K 1/10W
R651 NC
C663 R652
AMP_RIN
10 AMP_RIN
1uF 25V 4.7K 1/10W
R658
10K 1/10W
D3V3 D3V3
R624 R625
NC NC/10K OHM 1/10W
R626
A_MUTE
7 AUD_SHDN
10K 1/10W
R627
Q604
NC
NC
D3V3
R631
10K 1/10W
PD_MUTE
R632 10K 1/10W Q605
MMBT3904
R635
100K 1/10W
SVR
R664 R665
1M 1/10W
1M 1/10W
C640 0.22uF 25V INPA
INNA
C642 0.22uF 25V
C651 C653
C650
1N50V 1N50V R649 C652
39K 1/10W
100N 50V
SVR
R666 R667
1M 1/10W
1M 1/10W
INPB
C662 0.22uF 25V
C664 0.22uF 25V INNB
C667 C668
1N50V 1N50V
Gain select
GAIN0 GAIN1
0 0
1 0
0 1
1 1
D3V3 +5VSB
R629
R628
NC/10K OHM 1/10W
10K 1/10W
D602
R630 NC/10K OHM 1/10W
LL4148
R633 C638
Q603 NC
10K 1/10W C634 MMBT3904
R634 1UF16V
10K 1/10W
C641
100N 50V
D24V
D3V3 FB609
33 OHM
R659 C636
NC 100N 50V U602
R668 22 OHM 1/10W 19
VDDPW PGND
20
STBY OUTPA
A_MUTE 21
MUTE OUTPA
22
INPA PGNDA
23
INNA PGNDA
24
ROSC PVCCA
R647 NC 25
SY NCLK PVCCA
100N 50V 26
VDDS OUTNA
27
SGND OUTNA
R650 100K 1/10W 28
DIAG OUTNB
SVR 29
SVR OUTNB
GAIN0
30
GAIN0 PVCCB
GAIN1
31
GAIN1 PVCCB
32
INPB PGNDB
33
INNB PGNDB
34
VREF OUTPB
35
SVCC OUTPB
36
VSS SUB_GND
+ C658 + C659 C665
TDA7491P13TR
10UF/50V 10UF/50V 100N 50V
D3V3
GAIN (dB)
R653 R654
20
NC/47K 1/10W
26 NC/47K 1/10W
GAIN0
32 GAIN1
36
R655 R656
0R05 1/10W
0R05 1/10W
52
AMPP
D604
1
RB160M-60TE25
+5VSB AMPP VCC5D
PD_MUTE
PD_MUTE 10
R641 R642 R643
NC NC 680R 1/10W 1%
R646
1K 1/10W
AMPP
L601 33uH
FB610 1 2 NC/300 OHM
+ C637
R637
NC/330UF 35V
22 OHM 1/4W
18 C644
17 C643
16 0.47UF 50V
15 330P 50V
14 C647
13 L602 33uH
12 100N 50V
11
10 FB611 1 2 NC/300 OHM
9
8 L603 33uH
7
6 C656
5 FB612 1 2 NC/300 OHM
4 100N 50V
3
2 R648
1
22 OHM 1/4W C660
0.47UF 50V
C655
330P 50V
L604 33uH
FB613 1 2 NC/300 OHM
L601, L602, L603, L604
73G M58901 T
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
絬 隔 瓜 絪 腹 TPV MODEL
Key Component 11-Audio Amplifier PCB NAME 715G3759
Sunday , April 11, 2010 Sheet 11
Date
POP NOISE
2
C649
+
47uF/35V
R639
10K 1/10W
R644 D605
PD_MUTE
51K 1/10W LL4148
R645
U603
AS431AN-E1 30K 1/10W 5%
C654
100N 50V
LOUT+
C645
100N 50V
LOUT-
CN606
C648 L+ L
4 L-
100N 50V 3
2
R+
1 R
R-
ROUT-
CONN
C657
4Pin R/A 2.0mm
100N 50V
33G3802 4B YH
ROUT+
C661
100N 50V
Custom
Size
Rev E
<称爹>
称 爹
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