AOC L37W781B Service Manual page 45

37'' LCD TV
2,3,4,5 5V_SCL
2,3,4,5 5V_SDA
VCCAD
VCCAD
Add 1/30'07
R681
2 Switch_R
R682 470
2 Switch_L 1/10W
470
R683
2 SCT2_RI
R698 470
2 SCT2_LI 1/10W
470
4 HDMI_R
4 HDMI_L C622
2 DTV_R
2 DTV_L
C624
2 SIF
X601
1/31'07
1 2
18.432MHz
C641 C642
33pF 33pF
V5A
FB605600 OHM
C659
470pF
1/10W
0
R640
1/10W
0
R641
1/10W
R642 0
AUDIO_GND GND
DI1 R651 NC
CL R652 NC
WS R656 NC
DO R657 NC
NC
5V_SCL R659
5V_SDA R660 NC
Lip Sync Circuit
VCCAD V8AUD VCCAU
C602
C603 +
0.1uF 10uF/16V
C601
R604 100 1/10W 1
SCL
2 0.001uF
1/10W SDA
R605 100
CL 3 20
I2S_CL DACM_R
WS 4 21
I2S_WS DACM_L
C609 10uF/16V DO 5 23
I2S_DO DACM_SUB
DI1 6
10K 1/10W I2S_DI1
R616 12
I2S_DI2
17
DACA_R
D603 18
DACA_L
7 R613 100
ADR_DA
LL4148 8
ADR_WS
9 28
1/10W ADR_CL SC1_OR
R618 1K 29
SC1_OL
62 25
ADR_SEL SC2_OR
26
SC2_OL
16
RESETn
C694 C695 C696 C697 53
TESTEN
63
STDBY n TP601
330pF 330pF 330pF 330pF
C614 2.2uF/16V 45 57
1/10W SC1_IR AUD_CLO
44
SC1_IL
C616 2.2uF/16V 43 U601 60
ASG1 D_CTR_I/O_1
C617 2.2uF/16V 42 MSP3410G-QI-C12-100 61
SC2_IR D_CTR_I/O_0
1/10W
41
SC2_IL
C618 2.2uF/16V 40 64
ASG2 NC1
C621 2.2uF/16V 39 13
SC3_IR NC2
38 14
SC3_IL NC3
37 15
2.2uF/16V
ASG3 NC4
C623 2.2uF/16V 36 22
SC4_IR NC5
35 24
SC4_IL NC6
2.2uF/16V 58
NC7
47 59
MONO_IN NC8
C627 56pF 50
ANA_IN1p
C628 56pF 52
ANA_IN2p
C629 56pF 51 100
ANA_INm
AXTALI 54
XTALI
AXTALO 55
XTALO
46
VREFTOP
56
TP
C637 10uF/16V 32
CAPL_M
30
CAPL_A
C638
+
C639
0.1uF
C640 10uF/16V
47uF/16V
MSP34x5
P30 =NC
V8AUD
10 uF
2 SPDIF
R677
1/10W
VCCAU 0
V5A
C660
+
C655
C692
47uF/16V
0.1uF CN605 R674
BLACK 2PJ-241V-005 0.1uF R6100
1/10W
1 10 1K
3
C691
C693 0.1uF
R6112 0.1uF R6111 Q604
0 1/10W 1/10W
V5A 600 OHM VCCAD 2 300 PMBS3904
4/2
FB606 C6116 R699 R673
220pF
4/23'07 180 1/10W 1K
EMI
C656 C657
+
C654
47uF/16V
470pF 0.1uF
V8AUD
R647
1/10W
47K
Add 1/30'07 + R650
C6109 47K 1/10W
10uF/16V
U604C
10
+
8
LINE_RO 9
-
R654
1/10W
24K
LM324D
DVCC33
C6114 47pF
R661 47K
3/2'07
C678 johnny
NC
U604D
12
+
14
LINE_LO 13
-
1 12 R669
LRCLK1 ADD2 1/10W
2 11 24K
DATA1 ADD1
3 10 LM324D
SCL ADD0
4 9
SDA GND
C6115 47pF
U605 R6105 47K
NC Line Out Circuit
LineOutMute
I2C Address
:0xC8
AUD_P
R606
1K 1/10W
C604
0.001uF 12V R610
1/10W
C605 10uF/16V 3K
DACM_R
1/10W
DACM_L 1K
R614
C606 10uF/16V
C607 10uF/16V
1/10W
R611 100 LINE_RO
LINE_LO Earphone_Det
1/10W
C608 10uF/16V update 3/30'07
C611 C612 R6117
100K 1/10W
0.001uF 0.001uF R6118
100K 1/10W
4.7uF/16V R622
1/10W
R619 100 C698 C6100 22
SCT1_RO 2
4.7uF/16V
1/10W
R620 100 C699 C6101
SCT1_LO 2 3 MUTE
4.7uF/16V 4.7uF/16V R623 NC
Q605 Q606
C619 C620 2SD1757K 2SD1757K
0.001uF 0.001uF
update 3/30'07
R6113
100K 1/10W
R6114
100K 1/10W Mute Circuit
4.7uF/16V 4.7uF/16V
1/10W
R624 100 C6102 C6104
SCT2_RO 2
C6103 C6105
SCT2_LO 2
R625
1/10W
4.7uF/16V 4.7uF/16V
C630 C631 Q607 Q608
0.001uF 0.001uF 2SD1757K 2SD1757K
Add 1/30'07
V8AUD
LineOutMute
V8AUD
R676 R628
FB604
1/10W
NC 47K 300 OHM 1
C646 3 D606
0.1uF NC
2
R629
+
47K 1/10W
C6106 R630
10uF/16V U604A NC
3
+
1
DACM_R 2 R631
- 1/10W
R632 C648 1.5K
1/10W 1/10W
47K 4.7uF/16V
LM324D R633
2.2K
C6107 47pF
R635 47K 1/10W R634
1.5K
1/10W U604B R636
R637 2.2K
5 NC
+
7 1
DACM_L 6
-
R639 C665 3 D607
1/10W
47K 4.7uF/16V NC
LM324D 2
C6108 47pF
Add 1/30'07
R643 47K 1/10W
Add 1/30'07
FB609
R653
C6110
AMP & Speaker Output
600 OHM
1/10W
C680 680 4.7uF/16V
CN604
4.7uF/16V C682
R695 Q609 R6115 2
1/10W 1/10W
4.7K 2SD1757K 100K 0.0022uF
1
R6108
4
47K 1/10W
1/10W
3
C686
update 3/30'07
FB611 0.0022uF
R667 C6111
2/16'07
600 OHM johnny
4/23'07
1/10W
C688 680 4.7uF/16V EMI C683
R658
4.7uF/16V DACM_R
1/10W
R675 Q610 R6116 47K
1/10W 1/10W
4.7K 2SD1757K 100K 2.2uF/16V
R693
47K 1/10W
1/10W C687
R666
DACM_L
update 3/30'07
1/10W
47K
2.2uF/16V
47K
Head Phone Output
45
AUD_P 12V
D613
R6110 NC
R602 R603
1/10W 1/10W
10K 10K D612 R694 LL4148
R601 + C6113
R607 0 1/10W Q602
10K 1/10W 2 PMBS3904 R608 100uF/16V
4.7K 1/10W AMP_MUTEB
R609 D602 3
U602 BAV70 R6125
FAULT 1 47K
Q601 R612 C6112
+
1/10W
AZ431AN-AE1 PMBS3904 4.7K R684
C610 100uF/16V 3.3K
2 R615
1/10W
0.1uF 3/19'07 D601 68K
jack
BAV70 3
3/19'07
jack update
1
5V R617
10K 1/10W
1 D610 1 D614 R6129 R6120
R621
BAV99 BAV99
4.7KΩ 1/10W 1/10W 1/10W
R6101 3 3 10K 4.7K
1/10W
2 2 LineOutMute
R6119
Q603
NC Q611 Q612
PMBS3904 2SD1757K
4/16
R678 R679 10K
R680
NC
update 3/30'07
C632 Audio_R+ FB602 300 OHM
0.47uF/25V
C633 C634 Audio_R- FB603 300 OHM
0.1uF 0.1uF
AUD_P
4/16
R626 L603
10K 1/10W 22uH
R-
R627
1/10W
4.7K
AMP_MUTEB
FAULT
AUD_P C644
0.022uF
C645
0.1uF
U603 AUD_P
0.1uF
1 36 C647
C651 1uF PAD PAD
C649 1uF 2 35 C650
RINN PVCCR
3 34 470uF/25V
RINP PVCCR
4 33 C652
AGND PGNDR
5 32 0.1uF
C653 LINP PGNDR
6 31
100pF
1/10W 2/16'07 LINN VCLAMPR
7 30
johnny GAIN0 VCLAMPL
8 29
GAIN0 PGNDL
9 28
GAIN1 PGNDL
C658 1uF C661 1uF 10 27 C662
MSTR/SLV PVCCL
11 26 1uF
SY NC PVCCL
1/10W 12 25 C663
PAD PAD
C664 1uF
GAIN0
100pF
GAIN1
1/10W
VREG
R638 TPA3100D2RGZR
1/10W
27K C666
0.1uF
C667
470uF/25V
C668
0.1uF
AUD_P
VREG
C670
L+ L- 0.022uF
R645 R646 L601
1/10W
0 NC 22uH
GAIN0 GAIN1
C673 C674
0.1uF 0.1uF
4/16
R648 R649
NC 0 1/10W C675
0.47uF/25V Audio_L+ FB607 300 OHM
Audio_L- FB608 300 OHM
update 3/30'07
U608
4 3 EarphoneMuteB
D2 G2
5 2
S1 S2
6 1
update 3/30'07
D1 G1
C679 100uF/16V NDC7002N
FB601
R655 EAR_R R6127 NC 8
1/10W
47K V5A 7
U606
Earphone_Det 6
1 8 EAR_L R6128 NC 5
OUT1 VDD
2 7 C684 100uF/16V
IN1- OUT2
3 6 V5A
IN1+ IN2-
4 5 R665 120 OHM
VSS IN2+
2/16'07
johnny
PT2308-S(L)
NC NC NC NC 10K 1/10W
47K 1/10W
update 3/30'07
R689 Q614 R691 Q615
R668 NC NC NC NC
1/10W
47K
+ +
R670
1/10W
C689 C690 R690 NC R692 NC
10uF/16V 47uF/16V
Add 1/30'07 update
LineOutMute
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AT-4235
絬 隔 瓜 絪 腹 TPV MODEL
T2289-1-X-X-1-070606 E427ATMBAWZE2
Key Component
07 AUDIO&AMP PCB NAME 715T2289-1
Wednesday , June 06, 2007 Sheet 7 of 8
Date
AOC L37W781B
Q613 R6124
1K 1/10W
PMBS3904
R6123
10K 1/10W
1/10W
U607
1/10W
AZ431AN-AE1
3/30'07
R6121
1K 1/10W
EarphoneMuteB
Q616
PMBS3904 R6122
1/10W
1/10W
47K
CN601
2
1
C636
C635 470pF
470pF CONN
CN602
C677
C676 470pF
470pF 3
2
1
CONN
5
1 4
2 3
3 2
4 1
FB610 CONN
CN603
CP1 150 OHM
470pF
3/30'07
Size Custom
Rev 1.4
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