AOC L42W781HS Service Manual page 44

42‟‟ LCD TV
R604 100 OHM 1/10W
2,3,4,5 5V_SCL
2,3,4,5 5V_SDA
R605 100 OHM 1/10W
C609
R616
VCCAD
D603
R618
VCCAD
Add 1/30'07
C694 C695 C696
330pF 330pF 330pF
R681
2 Switch_R
R682 470 OHM 1/10W
2 Switch_L
470 OHM 1/10W C616
R683
2 SCT2_RI
R698 470 OHM 1/10W
2 SCT2_LI
470 OHM 1/10W C618
4 HDMI_R
4 HDMI_L
C622 2.2uF/16V
2 DTV_R
2 DTV_L
C624 2.2uF/16V
C627 56pF
2 SIF
X601
7/17'07
1 2
C638
+
18.432MHz C639
C641 C642 0.1uF
10pF 10pF 47uF/16V
V8AUD
V5A VCCAU
FB605600 OHM
C659 C660
+
C655
47uF/16V
470pF 0.1uF
V5A 600 OHM
0 OHM 1/10W
R640
0 OHM 1/10W
R641
FB606
R642 0 OHM 1/10W
AUDIO_GND GND
DI1 R651 NC
CL R652 NC
WS R656 NC 1
LRCLK1
DO R657 NC 2
DATA1
5V_SCL R659 NC 3
SCL
5V_SDA R660 NC 4
SDA
Lip Sync Circuit
VCCAD V8AUD VCCAU
C602
C603 +
0.1uF 10UF16V
C601
1
SCL
2 0.001uF
SDA
CL 3 20
I2S_CL DACM_R
WS 4 21
I2S_WS DACM_L
10UF16V
DO 5 23
I2S_DO DACM_SUB
DI1 6
I2S_DI1
10K OHM 1/10W 12
I2S_DI2
17 R611 100 OHM 1/10W
DACA_R
18
DACA_L
7 R613 100 OHM 1/10W
ADR_DA
LL4148 8
ADR_WS
9 28
ADR_CL SC1_OR
1K OHM 1/10W 29
SC1_OL
62 25
ADR_SEL SC2_OR
26
SC2_OL
16
RESETn
C697 53
TESTEN
63 R619
STDBY n TP601
330pF
C614 2.2uF/16V 45 57 R620
SC1_IR AUD_CLO
44
SC1_IL
43 U601 60
2.2uF/16V
ASG1 D_CTR_I/O_1
C617 2.2uF/16V 42 MSP3410G-QI-C12-100 61
SC2_IR D_CTR_I/O_0
41
SC2_IL
40 64
2.2uF/16V
ASG2 NC1
C621 2.2uF/16V 39 13
SC3_IR NC2
38 14
SC3_IL NC3
37 15
ASG3 NC4
C623 2.2uF/16V 36 22
SC4_IR NC5
35 24
SC4_IL NC6
58
NC7
47 59 R624
MONO_IN NC8
50
ANA_IN1p
C628 56pF 52 R625
ANA_IN2p
C629 56pF 51 100 OHM 1/10W
ANA_INm
AXTALI 54
XTALI
AXTALO 55
XTALO
46
VREFTOP
56
TP
C637 10UF16V 32
CAPL_M
30
CAPL_A
C640 10UF16V
MSP34x5
P30 =NC
10 uF
2 SPDIF
R677
0 OHM 1/10W
V5A
C692
CN605 R674
0.1uF R6100
BLACK 2PJ-241V-005
1 10 OHM 1/10W 1K OHM 1/10W
3
C691
C693 0.1uF
R6112 0.1uF R6111 Q604
VCCAD 2 0 OHM 1/10W 300 OHM 1/10W PMBS3904
C6116
R699 R673
220pF
180 OHM 1/10W 1K OHM 1/10W
C656 C657
+
C654
47uF/16V
470pF 0.1uF
V8AUD
R647
47K OHM 1/10W
Add 1/30'07 + R650
C6109 47K OHM 1/10W
10UF16V
U604C
10
+
8
LINE_RO 9
-
R654
24K OHM 1/10W
LM324D C680
4.7uF/16V
DVCC33
C6114 47pF
R661 47K OHM 1/10W
3/2'07
C678 johnny
NC
U604D
12
+
14
LINE_LO 13
-
12 R669 C688
ADD2
11 24K OHM 1/10W 4.7uF/16V
ADD1
10 LM324D
ADD0
9
GND
C6115 47pF
U605 R6105 47K OHM 1/10W
Line Out Circuit
NC
LineOutMute
I2C Address
:0xC8
AUD_P
R606
1K OHM 1/10W
C604
0.001uF 12V R610
C605 10UF16V 3K OHM 1/10W
DACM_R
DACM_L 1K OHM 1/10W
R614
C606 10UF16V
C607 10UF16V
LINE_RO
LINE_LO Earphone_Det
C608 10UF16V update 3/30'07
C611 C612 R6117
100K OHM 1/10W
0.001uF 0.001uF R6118
100K OHM 1/10W
4.7uF/16V
100 OHM 1/10W C698 C6100
SCT1_RO 2
4.7uF/16V
100 OHM 1/10W C699 C6101
SCT1_LO 2 3 MUTE
4.7uF/16V 4.7uF/16V R623
Q605 Q606
C619 C620 2SD1757K 2SD1757K
0.001uF 0.001uF
update 3/30'07
R6113
100K OHM 1/10W
R6114
100K OHM 1/10W Mute Circuit
4.7uF/16V 4.7uF/16V
100 OHM 1/10W C6102 C6104
SCT2_RO 2
C6103 C6105
SCT2_LO 2
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
NC 47K OHM 1/10W 300 OHM
C646 3
0.1uF
+ R629
47K OHM 1/10W
C6106 R630
10UF16V U604A NC
3
+
1
DACM_R 2 R631
-
R632 C648 0 OHM 1/10W
47K OHM 1/10W 4.7uF/16V
LM324D
C6107 47pF
R635 27K OHM 1/10W R634
0 OHM 1/10W
U604B
R637
5 NC
+
7
DACM_L 6
-
R639 C665 3
47K OHM 1/10W 4.7uF/16V
LM324D
C6108 47pF
Add 1/30'07
R643 27K OHM 1/10W
Add 1/30'07
FB609
R653
C6110
AMP & Speaker Output
600 OHM
680 OHM 1/10W 4.7uF/16V
CN604
C682
R695 Q609 R6115 2
4.7K OHM 1/10W 2SD1757K 100K OHM 1/10W 0.0022uF
1
R6108
4
47K OHM 1/10W
3
update 3/30'07 C686
FB611 0.0022uF
R667 C6111
600 OHM
4/23'07
EMI
680 OHM 1/10W 4.7uF/16V C683
R658
DACM_R
R675 Q610 R6116 47K OHM 1/10W
4.7K OHM 1/10W 2SD1757K 100K OHM 1/10W 2.2uF/16V
R693
47K OHM 1/10W
C687
R666
update 3/30'07 DACM_L
47K OHM 1/10W
2.2uF/16V
Head Phone Output
44
AUD_P
R6110 NC
R602 R603
10K OHM 1/10W 10K OHM 1/10W
R601
R607 0 OHM 1/10W Q602
10K OHM 1/10W 2 PMBS3904 R608
4.7K OHM 1/10W AMP_MUTEB
R609 D602 3
U602 BAV70
FAULT 1
Q601 R612
AZ431AN-AE1 PMBS3904 4.7K OHM 1/10W
C610
2 R615
0.1uF 3/19'07 D601 68K OHM 1/10W
jack
BAV70 3
3/19'07
jack
1
5V R617
10K OHM 1/10W
1 D610 1 D614 R6129
R621
BAV99 BAV99
4.7KΩ 1/10W
R622 R6101 3 3 10K OHM 1/10W
22 OHM 1/10W
2 2
Q603
NC Q611
NC PMBS3904
4/16
R678 R679
R680
NC
C632 Audio_R+
0.47uF/25V
C633 C634 Audio_R-
0.1uF 0.1uF
AUD_P
R626 L603
10K OHM 1/10W 22uH
R-
R627
4.7K OHM 1/10W
AMP_MUTEB
FAULT
1 AUD_P C644
0.022uF
D606 C645
NC 0.1uF
2
U603
1 36
PAD PAD
C651 1uF
C649 1uF 2 35
RINN PVCCR
3 34
RINP PVCCR
4 33
AGND PGNDR
5 32
C653 LINP PGNDR
R633 6 31
100pF
LINN VCLAMPR
NC 2/16'07 7 30
johnny GAIN0 VCLAMPL
8 29
GAIN0 PGNDL
9 28
GAIN1 PGNDL
C658 1uF C661 1uF 10 27
MSTR/SLV PVCCL
11 26
SY NC PVCCL
12 25
PAD PAD
C664
GAIN0
R636 100pF
GAIN1
NC
VREG
1 R638 TPA3100D2RGZR
27K OHM 1/10W
D607
NC
2
VREG
C670
L+ L- 0.022uF
R645 R646 L601
0 OHM 1/10W NC 22uH
GAIN0 GAIN1
C673 C674
0.1uF 0.1uF
R648 R649
NC 0 OHM 1/10W C675
0.47uF/25V Audio_L+
Audio_L-
update
4
5
update 3/30'07 6
C679 100uF/16V
R655 EAR_R R6127 NC
47K OHM 1/10W V5A
2/16'07
U606
johnny
1 8 EAR_L R6128 NC
OUT1 VDD
2 7 C684 100uF/16V
IN1- OUT2
3 6
IN1+ IN2-
4 5
VSS IN2+
2/16'07
johnny
PT2308-S(L)
NC NC NC NC
47K OHM 1/10W
update 3/30'07
R689 Q614
R668 NC NC
47K OHM 1/10W
+ +
R670
47K OHM 1/10W C689 C690 R690 NC
10UF16V 47uF/16V
Add 1/30'07
LineOutMute
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL AT06
絬 隔 瓜 絪 腹 T2289-2-X-X-9-070917 TPV MODEL E427ATNBBWHSN
Key Component PCB NAME 715T2289-2
07 AUDIO&AMP
Monday , September 17, 2007 Sheet 7
Date
AOC L42W781HS
12V R6130
0 OHM 1/10W D613 Jean 6/7
1 2
D612 R694 SSM0160SPT
C6113 Q613 R6124
+
1K OHM 1/10W
22UF16V PMBS3904
R6123
R6125 10K OHM 1/10W
47K OHM 1/10W
+ C6112 U607
R684
100uF/16V 3.3K OHM 1/10W
AZ431AN-AE1
R6120 R6121
1K OHM 1/10W
4.7K OHM 1/10W
LineOutMute EarphoneMuteB
R6119
Q612 Q616
2SD1757K PMBS3904 R6122
10K OHM 1/10W
47K OHM 1/10W
update 3/30'07
CN601
FB602 300 OHM
2
FB603 300 OHM 1
C636
4/16
C635 470pF
470pF CONN
AUD_P
0.1uF
C647
C650
470uF/25V
C652
0.1uF
C662
1uF
C663
1uF
C666
0.1uF
C667
470uF/25V
C668
0.1uF
AUD_P
CN602
C677
4/16
C676 470pF
470pF 3
FB607 300 OHM 2
1
FB608 300 OHM
CONN
3/30'07
U608
3 EarphoneMuteB
D2 G2
2
S1 S2
1
D1 G1
NDC7002N
FB601 5
8 1 4
7 2 3
Earphone_Det 6 3 2
5 4 1
V5A
R665 120 OHM FB610 CONN
CN603
CP1 150 OHM
10K OHM 1/10W 470pF
R691 Q615
NC NC
R692 NC
update 3/30'07
Custom
Size
Rev G
<称爹>
称爹
of 8