AOC PB20C Service Manual page 28

C161 0.22uF
C114
10uF/16V
1 AV_1
1,9 SCART_CVBS
3 TUNER_OUT
6 CH_SEL3
6 CH_SEL2
SEL1 SEL2 SEL3
0 0 0
1 0 1
0 1 1
1 1 1
AV1_R_1
SCART_R
DVD_R_1
AV1_L_1
SCART_L
DVD_L_1
6 CH_SEL1
6 CH_SEL2
5V
C124 +
10uF/16V
8V
1
1
100k 1/16W
C167 R144
10uF/16V
1 DVD_AR
C168
10uF/16V
1 DVD_AL
R146
47K 1/16W
C162 0.22uF
C163 0.22uF
C116
C117
10uF/16V
10uF/16V
audio video
AV1 AV1
5V
SCART SCART
TUNER
DVD
AGND
U100 74HC4052D
12 13
X0 X ASEL_O_R
14
X1
15 3
X2 Y ASEL_O_L
11
X3
1
Y0
5
Y1
2
Y2
4
Y3
10
A
9
B
RP1
NC
6
EN
1 8
7 2 7
VEE
16 3 6
VDD
4 5
AGND
R136 NC
SCART_H
SCART_V
R137 NC
R143
100k 1/16W R370 R369
DVD_R_1
DVD_L_1
R145
47K 1/16W
AGND
U102
1 7
VIN1 VOUT CVBS_SEL_O 4
3
VIN2
5
VIN3
2
SW1
4
SW2
6
V+
C121 NJM2244
0.1uF
5VP
5V
11
C166 0.01uF
11
C165 0.01uF
12/02
C164 0.01uF
Ri
C122
9 VGA_R
Gi
C123
9 VGA_G
Bi
C125
9 VGA_B
Hi
9 VGA_HS
Vi
9 VGA_VS
C126
1 SCART_VR
C127
1 SCART_VG
C128
1 SCART_VB
LOW:INPUT1
HIGH:INPUT2
H2
V2
6,9 VIDEO_SEL
RN318
NC
Hi
1 8 Ho
Bo
Bi 2 7
Gi Go
3 6
Ro
Ri 4 5
Vi
Vo
R368 NC
27
RN101
8V
100K 1/16W
5
6
7
8
L108 150 OHM
1 SCART_AR
L109 150 OHM
1 SCART_AL
L110 150 OHM
1 AV1_R
L112 150 OHM
1 AV1_L
AGND
U103
1 36
Vcc NC
47uF/16V 2 35
Rin1 Vcc
3 34
Vcc ROUT
47uF/16V 4 33
Gin1 GND
5 32
Vcc Vcc
47uF/16V 6 31
Bin1 GOUT
7 30
Hin1 GND
8 29
Vin1 Vcc
9 28
GND BOUT
10 27
GND GND
47uF/16V 11 26
Rin2 GBuf
12 25
PS Sy ncSEP_I
47uF/16V 13 24
Gin2 Sy ncSEP_O
14 23
SEL Vcc
47uF/16V 15 22
Bin2 Vcc
H2 16 21
Hin2 HOUT
V2 17 20
Vin2 VOUT
18 19
NC GND
AGND
AOC(TOP VICTORY) Electronics CO., Ltd
Title
VIDEO & AUDIO SELECT
Size Document Number
A4
TV2054-2Ea
Date: Wednesday , April 07, 2004
4
3
2
1
C115
10uF/16V SCART_R
C118
10uF/16V SCART_L
C119
10uF/16V AV1_R_1
C120
10uF/16V AV1_L_1
5 4
6 3
7 2
8 1
RN100
47K 1/16W
Ro
VSEL_R 9
Go
VSEL_G 9
Bo
VSEL_B 9
Ho
VSEL_HS 9
Vo
VSEL_VS 9
+ C129
C100
0.1uF
47uF/16V
Rev
1
Sheet 2 of 13