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A
B
8
SW2_G/Y
W1016
SW2_G/Y_1
SW_G/SW_Y
7
SW2_B/CB
W1017
SW2_B/CB_1
SW_B/SW_CB
W1018
SW2_R/CR_1
SW2_R/CR
6
SW_R/SW_CR
FROM JACK
5
VGA-G
VGA-R
VGA-B
FROM/TO MICON
C_SYNC
C_SYNC_POP
SD_SW1
YUV_SW
4
FROM/TO SCALER
HD/SCART_Y
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
3
NC
TO ADC1
SW_Y/G
SW_PB/B
SW_PR/R
2
FROM REGURATER
GND
AT+5V
P.CON+9V
P.CON+5V
P.CON+3.3V
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-31
C
D
AV SWITCH SCHEMATIC DIAGRAM
R8105
270
R8122
270
5.0
R8145
0.7
100
R8124
270
W843
W944
W900
SCART2 OUT CVBS SW
IC8103
MM1501XNRE
C8112
8.9
VCC
1
B
5.1
H
C8109
4.4
1
B
0
BUFFER
C8113
0
L
1
B
5.1
C8110
1
B
C
D
E
F
(SCALER PCB)
NLCV32T
5.0
BUFFER
L8105
R8148
Q8106
0.7
KTA1504S_Y_RTK
22uH
100
0
BUFFER
Q8105
KTA1504S_Y_RTK
0
C8121
1.7
2.0
IN3A
IN3B
16V
10
V-S-NP
0
0
NC
GND3
NC
1.0
2.4
OUT3
IN2A
1.8
3.1
OUT2
CTL
0
4.8
GND2
V+
2.0
2.5
OUT1
IN2B
0
0
NC
GND1
NC
C8120
2.4
2.5
IN1A
IN1B
16V
10
V-S-NP
SW
IC8104
NJM2584AM(TE1)
R8129
3.3K
SYSNC_SEPA
Q8101
5.1
KTA1504S_Y_RTK
C8128
R8116
5.5
1 B
1K
1.5
R8125
C8146
0.3
R8113
B
12K
1
100K
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
E
F
G
SW_Y/G
SW_PB/B
SW_PR/R
P.CON+5V
W963
SW2_B/CB_1
C8122
W964
SW2_G/Y_1
16V
10
V-S-NP
W972
SW2_R/CR_1
C8123
VGA-R
16V
10
V-S-NP
YUV_SW
NLCV32T
L8104
P.CON+5V
47uH
C8124
16V
10
V-S-NP
C8125
VGA-B
16V
10
V-S-NP
VGA-G
P.CON+5V
C_SYNC
1.0
R8130
0.7
4.7K
0
SYSNC_SEPA
Q8103
KTC3875S_Y_RTK
3.1
SYSNC_SEPA
Q8102
0
KTC3875S_Y_RTK
G
H
8
7
6
5
4
3
2
PCBDS0
CEF156
1
H
H-32
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