AOC PB20C, Service Manual

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31
B1
TP304 TP
FM31
C5
TP309 TP
TBOUT
FM21
G7
BOUT0
3.3VM
Y 7
R
366
100K

1/
16W
PC
INV_PRO 1
FM3
C362
0.1uF
SDA 3,4,5,8,9,11
FM11
ROUT6
ROUT2
U301 PCA9554PW
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
A0
A1
A2
I/O0
I/O1
I/O2
I/O3
VSS I/O4
I/O5
I/O6
I/O7
INT
SCL
SDA
VDD
FM10
FM31
BOUT[0..7] 9
5VP
FM17
B6
TP308 TP
R380 100  1/16W
FM24
C390
22pF
FM1
VD_Field 4
G0
RN301
22  1/16W
1
2
3
4
8
7
6
5
P_HS 1,13
R7
GOUT0
C387
22pF
P_DATAEN
R316 100  1/16W
GOUT3
ROUT0
R381
10K

1/16W
VD_VS 4,8
Y [0..7] 4
1
R1
TP310 TP
AD_Clamp 9
FM22
FM17
D301
MLL4148
R308
9.1K
 1/16W
HS_ADC
TP306 TP
R306
1.5K
 1/16W
B[0..7] 1,13
5V
P_DATAEN 1,13
R6
TP305 TP
0
P_VS
FM32
VHREF
VD_CLK 4
R4
CBU
RN305
22  1/16W
1
2
3
4
8
7
6
5
R304 100  1/16W
B0
R318 100  1/16W
FM10
RN325
22

1/16W
1
2
3
4
8
7
6
5
L311
300 OHM
SCART
P_VS 1,13
VD_VREF 4
BOUT2
R382
10K  1/16W
PCK1
VIDEO_SEL 2,9
B3
BOUT3
3.3VM
5V
FM8
PB16
TP301 TP
FM20
FM27
TV2054-2Ea
1.0
SPV301(Video In/Panel Out)
AOC (Top Victory) Electronics Co., Ltd.
6
13
Wednesday , April 07, 2004
Title
Size Document Number Rev
Date: Sheet of
VD_HS 4,8
G2
FM21
CH_SEL1 2
FM22
TGOUT
FM2
RN322
22

1/16W
1
2
3
4
8
7
6
5
C361
0.1uF
1
FM23
C0
Display Port
U300C
SPV301A
Y 4
AA4
AD2
AD1
AC4
U1
T3
U2
U3
V1
V2
V3
W1
Y 1
W2
W3
W4
Y 2
Y 3
AA1
AA2
AA3
AB1
AB2
AB3
AB4
AC1
AC2
AC3
AE1
AD3
AE2
AC5
AF1
AD4
AC6
AF2
AD18
AF19
AE19
AF20
AD19
AE20
AF21
AD20
AE21
AF22
AD21
AE22
AF23
AF24
AD22
AE23
AF7
AF9
AF10
AE13
AE9
AD10
AD9
AF8
AD13
AC13
AF12
AF11
CLK1
CLK2
VSOUT
HSOUT
DEN
VOUT0
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
VOUT8
VOUT9
VOUT10
VOUT11
VOUT12
VOUT13
VOUT14
VOUT15
VOUT16
VOUT17
VOUT18
VOUT19
VOUT20
VOUT21
VOUT22
VOUT23
VOUT24
VOUT25
VOUT26
VOUT27
VOUT28
VOUT29
VOUT30
VOUT31
VOUT32
VOUT33
VOUT34
VOUT35
VOUT36
VOUT37
VOUT38
VOUT39
VOUT40
VOUT41
VOUT42
VOUT43
VOUT44
VOUT45
VOUT46
VOUT47
AROUT
AGOUT
ABOUT
SVMOUT
CBU
CBL
RSET
VREF
VMCBU
VMCBL
VMRSET
VMREF
FM33
G6
R319 100  1/16W
RN326
22
 1/16W
1
2
3
4
8
7
6
5
AV1
B5
G4
FM34
FM35
GOUT4
GOUT5
R373 22

1/16W
SRS_CTL 10
SCL 3,4,5,8,9,11
Y 6
R320 100  1/16W
R
365
100K

1/
16W
0
COAST 9
CN300
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
ROUT[0..7] 9
P_CLK 1,13
R3
FM35
FM34
VVS
Y 3
+ C398
100uF/16V
SEL3
AD_HS 9
FM9
FM36
FM25
R305
91K
 1/16W
R315 100

1/16W
1
C356
0.1uF
R303 100

1/16W
FM4
C3
ROUT5
C360
0.1uF
TUNER
FM0
FM38
ROUT3
C389
22pF
FM33
Y 5
Y 4
FM8
0
FM4
FM29
C7
VS_ADC
C4
GOUT6
RN321
22
 1/16W
1
2
3
4
8
7
6
5
R313 1K

1/16W
R372 22

1/16W
1
MUTE 10
VCLKB
R307
91K
 1/16W
R311 100  1/16W
SEL1
TROUT
FM37
BOUT1
VIDEO_SEL for ADC input selection
(source :HD & VGA)
C397
0.1uF
SCART
FM6
FM11
R367
100K

1/16W
CH_SEL2 2
D302
MLL4148
GOUT[0..7] 9
G3
FM2
B2
FM1
C2
BOUT5
R331 NC
R314 100

1/16W
G5
FM18
VFIELD
DACV3
AD_SOG 9
CLK_ADC
R302 100

1/16W
FM37
CBL
BOUT6
C6
RSET
FM7
+
C
359
10uF
/16V
L314
120 OHM
video
PVSOUT
BOUT7
TP307 TP
R317
10K

1/16W
1
FM7
FM28
RN320
22

1/16W
1
2
3
4
8
7
6
5
FM9
GOUT2
L310
300 OHM
0
FM23
Y 0
R310 100  1/16W
FM32
GOUT7
ROUT7
P_CLK
RN324
22

1/16W
1
2
3
4
8
7
6
5
1
G1
AD_CLK 9
FM25
GOUT1
ROUT1
DACV3
CH_SEL3 2
PDENOUT
RN303
22  1/16W
1
2
3
4
8
7
6
5
VREF
FM30
FM0
FM26
FM19
VDEN
FM36
R301 100  1/16W
+ C363
10uF/16V
audio
R2
R364
100K  1/16W
AV1
B7
FM27
P_HS
FM29
TP303 TP
W_ENABLE 1
FM6
FM24
SVIDEO
1
RN304
22

1/16W
1
2
3
4
8
7
6
5
NC
FM19
SEL2
FM20
BOUT4
ROUT4
R386 75  1/16W
FM28
U300A
F26
G25
G24
F25
E26
G23
F24
E25
D26
F23
E24
D25
C26
E23
D24
C25
B26
D23
B25
A26
D22
C24
D21
C23
C14
A13
B13
C13
A12
B12
C12
A11
B11
C11
A10
B10
C10
A9
B9
C9
A8
B8
C8
A7
B7
A6
D8
C7
T26
R25
R24
R26
P24
P25
P26
N26
N25
C21
B24
C22
D20 B23
A25
A24
DATA_PA0
DATA_PA1
DATA_PA2
DATA_PA3
DATA_PA4
DATA_PA5
DATA_PA6
DATA_PA7
DATA_PA8
DATA_PA9
DATA_PA10
DATA_PA11
DATA_PA12
DATA_PA13
DATA_PA14
DATA_PA15
DATA_PA16
DATA_PA17
DATA_PA18
DATA_PA19
DATA_PA20
DATA_PA21
DATA_PA22
DATA_PA23
DATA_PB0
DATA_PB1
DATA_PB2
DATA_PB3
DATA_PB4
DATA_PB5
DATA_PB6
DATA_PB7
DATA_PB8
DATA_PB9
DATA_PB10
DATA_PB11
DATA_PB12
DATA_PB13
DATA_PB14
DATA_PB15
DATA_PB16
DATA_PB17
DATA_PB18
DATA_PB19
DATA_PB20
DATA_PB21
DATA_PB22
DATA_PB23
CLKC_CPV
DATA_PC0_CPH
DATA_PC1_STH1
DATA_PC2_RLS
DATA_PC3_LP
DATA_PC4_POL
DATA_PC5_SHC
DATA_PC6_INV1
DATA_PC7_INV2
PCHS_SOG
HSA
VSA
CLKA CHS
CLAMP
CVS_COAST
TP311 TP
R[0..7] 1,13
R0
PHSOUT
TP302 TP
C358
0.1uF
0
5V
Y 2
R309 100

1/16W
C1
3.3VM
B4
Storage P ort
U300E
SPV301A
B22
A23
A22
B21
A21
A20
C20
B20
C19
A19
B19
C18
B18
A18
A17
C17
B17
A16
B16
C16
A15
B15
C15
A14
B14
AC14
AE14
AD14
AF15
AE15
AD15
AF16
AE16
AD16
AF17
AE17
AD17
AF18
AE18
FM0
FM1
FM2
FM3
FM4
FM5
FM6
FM7
FM8
FM9
FM10
FM11
FM12
FM13
FM14
FM15
FM16
FM17
FM18
FM19
FM20
FM21
FM22
FM23
FM24
FM25
FM26
FM27
FM28
FM29
FM30
FM31
FM32
FM33
FM34
FM35
FM36
FM37
FM38
FM26
VHS
C388
22pF
C[0..7] 4
RN327
22

1/16W
1
2
3
4
8
7
6
5
FM18
FM38
RN302
22

1/16W
1
2
3
4
8
7
6
5
G[0..7] 1,13
FM3
FM5
FM30
FM5
Y 1
RN306
22

1/16W
1
2
3
4
8
7
6
5
R363 100K  1/16W
AD_VS 9
R385 75

1/16W
C396
0.1uF
R5
R312 100

1/16W
C357
0.1uF
Q302
PMBS3904
3
2
1
RN323
22
 1/16W
1
2
3
4
8
7
6
5