A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC8103 MM1501XNRE
SCART2 OUT CVBS SW
123
4
5
6
Q8102
2SC3052
SYSNC_SEPA
Q8103
2SC3052
SYSNC_SEPA
L8102
47uH
NLCV32T
L8105
22uH
NLCV32T
C8131
100
16V
V-S
C8149
220
6.3V
V-S
Q8101
2SA1530A
SYSNC_SEPA
Q8105
2SA1530A
BUFFER
Q8106
2SA1530A
BUFFER
W840
C8128
1 B
C8147
820P
CH
C8112
1 B
C8109
1 B
C8113
1 B
C8110
1 B
C8137
330P
CH
C8146
1
B
C8129
0.1
B
C8144
0.1
B
C8150
0.1
B
C8151
100P
CH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
R8123
2.7K
R8128
12K
R8119
820K
R8125
12K
R8116
1K
R8131
1K
R8113
100K
R8129
3.3K
R8130
4.7K
R8105
150
R8122
150
R8124
150
R8149
150
R8142
150
R8148
100
R8146
1K
R8143
1K
R8145
100
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
SW2_G/Y
SW_G/SW_Y
SW_Y/G
SW_PB/B
SW_PR/R
SW2_B/CB
SW_B/SW_CB
P.CON+5V
SW2_R/CR
SW_R/SW_CR
C_SYNC
SD_SW1
SW_VIDEO_Y
SW_R/SW_CR
SW_G/SW_Y
SW_B/SW_CB
SW2_R/CR
SW2_G/Y
SW2_B/CB
SW_CVBS
P.CON+5V
C_SYNC
SW_Y/G
SW_PB/B
SW_PR/R
GND
P.CON+9V
P.CON+5V
SW_VIDEO_Y
SW_CVBS
SD_SW1
P.CON+9V
AV SWITCH1 SCHEMATIC DIAGRAM
(SCALER PCB)
H-28
H-27
PCBDS0
CEF156
FROM/TO ADC1
5.1
VCC
H
8.9
0
BUFFER
L
4.4
0
5.1
0
3.1
0.3
5.5
1.5
5.1
0
1.0
0.7
FROM/TO REGURATER
FROM/TO SCALER
FROM/TO MICON
0
0.7
5.0
0
0.7
5.0