AOC L27W451B, Service Manual

Page: 54 / 96

2
7
’’
L
C
D
T
V
A
O
C
L
2
7
W
4
5
1
B
ʳ
54
A1
A17
R
3
8
4
1
00
1/
16W
ǂ
SC1
R337
1
0
0
1
/1
6
W
ǂ
R300
0
ǂ
W27E040 USED
Reset EX52
VGAVS
2,12
A0
A13
A14
R304 4.7K ǂ
R311
3
3
ǂ
1
AD7
C309
100pF
R302 4.7K ǂ
A5
R344 4.7K
ǂ
TP305 A5
EAR_DET
9
Q33 PMBS3904
1
2 3
R31 5 4.7K
ǂ
R301
0
ǂ
A4
SD1
5V
RN31
3
3
ǂ
1
8
2
7
3
6
4
5
C301
10uF/16V
3.3V_SB
CN34
CONN
1 2
5V-1_CPU
PWR_ON
10,12
RST_EX52
R366 4.7K ǂ
RST_HDMI
C313
1000pF
U30
24C64
1 2 3 4
5 6 7 8
A0 A1 A2 GND
S
DA
SCL
PAGE
VCC
R
3
3
8
1
00
1/
16W
ǂ
U33
24LC64
8 5 6
4
7
3 2 1
VCC
SDA SCL
GND
VCLK
NC2 NC1 NC0
R380
100
ǂ
R373
4.
7K
ǂ
R321
0
1
/1
6
W
ǂ
R328
10K
1/
16W
ǂ
AD2
R334
4.
7K
ǂ
R378 4.
7K
ǂ
R391
100
ǂ
3.6V
CS
3
R324
22
1/
16W
ǂ
5V-1_CPU
RD#
3
A15
A18
R345
1
0
0
ǂ
TP308
FUN_2
2,8
OD_SEL
4
A7
RST#
NC
5V-1_CPU
AD3
R375
4.
7K
1/
16W
ǂ
SCLE
AD5
VGAHS
2,12
RX
2
A10
R39 0 4.7K
ǂ
Q31
PMBS3906
R
3
2
7
22
1/
16W
ǂ
TP300 A0
R35 5
4.7K
ǂ
R305
1
0
0
ǂ
R350
4
.7
K
ǂ
5V-1_CPU
WR_EMU
3
TP309
WR
RST_H
3
L30
600 OHM
Reset MCU
Detect_VGAVS
2
INT#
3
DET_FB
2
AD6
5V-1_CPU
A6
U34
ASM810SEUR-T
1 2
3
GND RESET
VCC
R359
1
0
0
1
/1
6
W
ǂ
R
3
3
2
22
1/
16W
ǂ
A3
When use W27E040,use R398 and R399;R400 and R404 are Option.
5V-1_CPU
R386
100
ǂ
SCDT
7
A10
A[8..18]
Socket = 87L 202-32
AD2
R369
100
1/
16W
ǂ
U32
M30620SPGP
23
31 30 28
2
25
26 27
8
14
15
22
35
1
3
4
6
7
9
10
12
13
17
18
20
21
24
32 33 34 36 37 38 39 40 41 42 43 44 29
5
11
16
19
60
61
71
72
73
74
75
76 77 78
59
58
57
56
55
54
53
52
51
50 49 48 47 46 45
70
69
68
67
66
65
64
63
85 84 83 82 81 80 79 95 92 91 90 89 88 87 86 94 93 96 97 98 99
100
62
P7_ 5/T A2in
P6_5/CLK1
P6_6/RXD1 P7_0/SDA2
P9 _3/D A0
P7_ 3/T A1in
P7_2/TA1out
P7_1/SCL2
P8_ 7/Xc in
Vcc1
P8 _5/N IM
P7_ 6/T A3o ut
P6_1/CLK0
P9 _4/D A1
P9_ 2/T B2in
P9_ 1/T B1in
BYTE
CNVss
P8_ 6/Xc ou t
Res et
Vss
Xin
P8_ 3/INT 1
P8_ 2/INT 0
P8_ 0/T A4o ut
P7_ 7/T A3in
P7_ 4/T A2o ut
P6_4/CTS1/RTS1
P6_3/SDA0
P6_2/SCL0
P6_0/CTS0/RTS0
P5_7/RDY
P5_6/ALE
P5_5/HOLD P5_4/HLDA P5_3/BCLK
P5_2/RD
P5_1/BHE
P5_0/WR
P6_7/TXD1
P9_ 0/T B0in
Xou t
P8_ 4/INT 2
P8_ 1/T A4in
Vcc2
P3_0/ A8
P1_7/ IN T5
P1_6/ IN T4
P1_5/ IN T3
P1_ 4
P1_ 3
P1_2 P1_1 P1_0
P3_ 1/A9
P3_ 2/A1 0
P3_ 3/A1 1
P3_ 4/A1 2
P3_ 5/A1 3
P3_ 6/A1 4
P3_ 7/A1 5
P4_ 0/A1 6
P4_ 1/A1 7
P4_2/A18 P4_3/A19
P4_4/CS0 P4_5/CS1 P4_6/CS2 P4_7/CS3
P2_ 0/A0 /D0
P2_ 1/A1 /D1
P2_ 2/A2 /D2
P2_ 3/A3 /D3
P2_ 4/A4 /D4
P2_ 5/A5 /D5
P2_ 6/A6 /D6
P2_ 7/A7 /D7
P0_1/AN0_1 P0_2/AN0_2 P0_3/AN0_3 P0_4/AN0_4 P0_5/AN0_5 P0_6/AN0_6 P0_7/AN0_7 P10_0/AN0 P10_2/AN2 P10_3/AN3 P10_4/AN4 P10_5/AN5 P10_6/AN6 P10_7/AN7 P0_0/AN0_0 Avss P10_1/AN1 Vref Avcc P9_7/ADTRG P9_6 P9_5
Vss
R35 4 NC
5V-1_CPU
R394
4
.7
K
ǂ
R352
1
0
0
ǂ
AD0
R379
4
.7
K
ǂ
R318
3
3
ǂ
R351
N
C
TP304 A4
+
C312
100uF/16V
C304 10uF/16V
A13
R347
NC
R389 4.7K
ǂ
Option
RX_INT#
7
R358
1
0
0
1
/1
6
W
ǂ
R360
2
2
0
ǂ
5V-1_CPU
RN214~RN218 -->RN31~RN35
AD1
R395
4.
7K
ǂ
R356
4.7K ǂ
SDAE
SDAE
AD5
TX
R36 4 10K 1/16W
ǂ
R36 7 4.7K
ǂ
R348
NC
Reset SIL9011..
CN33 CONN
1 2 3 4 5 6 7 8 9
10
5V-1_CPU
SC1
2
,7,12
SD1
2
,7,12
PANPWR_ON
1
0
RST_7117
Q30
NC
1
2 3
A2
TP303 A3
A16
R307
NC
Q32
PMBS3904
1
2 3
R393
4
.7
K
ǂ
3.3V_SB
BL_ADJ
2,3
CN31 CONN
1 2
CPU_RST
A17
2.54mm
A5
A18
R353
NC
CN30 CONN
1 2 3
A15
C310 15pF
CPU_RST
R371
100
1/
16W
ǂ
5V_SB
CPU_RST
CN32 CONN
1 2
C307
0.1uF
R310
NC
5V-1_CPU
R34 3 4.7K ǂ
R39 2 4.7K
ǂ
R308
1
0
0
ǂ
CE_REMOTE
7
SCLE
A12
INT_A
8
R331
4
7
K
ǂ
R339
100
1/
16W
ǂ
ISP_SW
2
AD3
R372 4.
7K
ǂ
R314
0
ǂ
RST_H
3
CPU_RST
R336
100
1/
16W
ǂ
C311 15pF
3
AD0
R381
1
0
0
ǂ
R330
1
0
0
ǂ
R317
33
ǂ
R362
1
0
0
1
/1
6
W
ǂ
C316
NC
MUTE
9
5V-1_CPU
VD3_3
FUN_1
2,8
AD4
A14
R
3
2
5
4.
7K
1/
16W
ǂ
TP301 A1
5V-1_CPU
A12
R374
2K
ǂ
When use W29C040,use R404 and R400;R398 and R399 are Option.
5V-1_CPU
A11
TP306 A6
C302 0.01uF
A8
2
REMOTE
2,12
A11
VD3_3
LCS
4
RX
3.3V_SB
SC1
2
,7,12
A1
R34 6 NC
TP310
RD
R319
100
ǂ
5V-1_CPU
E_PAGE
R34 2
4.7K
ǂ
R370
1
K
1
/1
6
W
ǂ
C315
10uF/16V
5V-1_CPU
A8
TP311
ALE
5V-1_CPU
MCU_A[0..7]
3
WR#
3
Detect_VGAHS
2
R368 4.7K
ǂ
R
3
3
3
4.
7K
1/
16W
ǂ
E_PAGE
R309
1
0
0
ǂ
R382
4.
7K
ǂ
5V-1_CPU
INV_PRO
2
A7
R303
4.7K
ǂ
R349
100
ǂ
R377 NC
RN35
3
3
ǂ
1
8
2
7
3
6
4
5
R31 6 4.7K
ǂ
R312
3
3
ǂ
R376 4.
7K
1/
16W
ǂ
R36 1 10K 1/16W ǂ
CS1
3
RD_EMU
3
A3
PS
ZD30
MLL5227B
AD[0..7]
3
AD1
A9
A[8..14]
3
C303 10uF/16V
R387
100
ǂ
TP302 A2
W27E040 USED
SD1
2
,7,12
R326 22
1/
16W
ǂ
R320
100
ǂ
RN32
3
3
ǂ
1
8
2
7
3
6
4
5
A[0..7]
A4
AD7
RST
R313
NC
A6
TP307 A7
SRS_CTL
9
R383 4.
7K
ǂ
R335 4.
7K
ǂ
C306
100pF
Top View
R340
NC
5V-1_CPU
RN34
3
3
ǂ
1
8
2
7
3
6
4
5
W27E040
AD4
A16 R
3
2
3
22
1/
16W
ǂ
TV2765W-4E
1
MCU
AOC (Top Victory) Electronics Co., Ltd.
Custom
6
12
Wednesday, January 04, 2006
Title Size
Document Number
Rev
Date:
S
heet
of
R388
4.7K
ǂ
5V_SB
A0
AD6
RN30
3
3
ǂ
1
8
2
7
3
6
4
5
R
3
2
2
22
1/
16W
ǂ
RN33
3
3
ǂ
1
8
2
7
3
6
4
5
R36 3 10K 1/16W
ǂ
ALE_EMU
3
KEY_AD
2,12
TX
2
U31
A29040BL-70F
12 11 10
9 8 7
27 25
4 5
29
3 6
26 28 23
2
30 31
16 1 32 24 22 21 19 13 14 15 17 18 20
A0 A1 A2 A3 A4 A5 A8 A11 A12 A7 A14 A15 A6 A9 A13 A10 A16 A17 A18
G
ND
VPP
VCC
OE# CE#
Q7 Q5 Q0 Q1 Q2 Q3 Q4 Q6
C314
10uF/16V
+
C308
100uF/16V
5V-1_CPU
C300
0.01uF
R341
N
C
5V-1_CPU
RST_HDMI
X30
10.000MHZ
RST
R357
1
0
0
1
/1
6
W
ǂ
R306
NC
R365
8.
2K
ǂ
R
3
8
5
1
00
1/
16W
ǂ
C305
100pF
RST_7117
8
A9 A2
RST#
7
DVI_HDMI to P1
VD3_3
RST_H
3