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A
B
8
SW_G/SW_Y
7
SW_B/SW_CB
6
SW_R/SW_CR
YUV_Y
YUV_U
FROM JACK
YUV_V
5
VGA-R
VGA-G
VGA-B
YUV_Y
SW2_G/Y
FROM/TO MICOM
YUV_U
SW2_B/CB
C_SYNC
YUV_V
SD_SW1
SW2_R/CR
YUV_SW
SCL1
4
SDA1
FROM/TO SCALER
SW_R/SW_CR
SW_G/SW_Y
SW_B/SW_CB
SW2_R/CR
SW2_G/Y
SW2_B/CB
SW_CVBS
SW_VIDEO_Y
3
TO ADC
SW_Y/G
SW_PB/B
SW_PR/R
FROM/TO REGURATER
AT+5V
P.CON+9V
P.CON+5V
P.CON+3.3V
2
GND
1
A
B
H-50
C
AV SWITCH1 SCHEMATIC DIAGRAM
W821
W861
W862
W843
R8104150
R8105150
C8109
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(SCALER PCB)
R8103
150
R8148
0.7
100
R8102
150
5.0
BUFFER
R8145
Q8105
0.7
KTA1504S_Y_RTK
100
0
R8101
150
SCART2 OUT CVBS SW
IC8103 MM1501XNRE
C8112
8.9
SYSNC_SEPA
VCC
5.1
H
1 B
KTA1504S_Y_RTK
C8128
R8116
1 B
4.4
0
1 B
1K
BUFFER
C8113
R8113
0
L
C8110
5.1
1 B
100K
1 B
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D
E
F
G
SW_Y/G
SW_PB/B
SW_PR/R
5.0
BUFFER
Q8106
KTA1504S_Y_RTK
NLCV32T
0
L8105
P.CON+5V
22uH
P.CON+5V
SYSNC_SEPA
Q8103
1.0
C_SYNC
KTC3875S_Y_RTK
R8129
R8130
0.7
3.3K
4.7K
0
Q8101
5.1
SYSNC_SEPA
Q8102
KTC3875S_Y_RTK
5.5
1.5
3.1
R8125
C8146
0.3
12K
1 B
0
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F
G
H
8
7
6
5
4
3
2
1
PCBDS0
CEF170
H
H-51
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