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
C8124
10
16V
V-S-NP
C8123
10
16V
V-S-NP
C8120
10
16V
V-S-NP
C8121
10
16V
V-S-NP
C8122
10
16V
V-S-NP
C8125
10
16V
V-S-NP
L8102
47uH
NLCV32T
L8105
22uH
NLCV32T
W843
W1016
W1017
W900
W944
W963
W972
W964
W1018
W971
C8149
220
6.3V
V-S
C8131
100
16V
V-S
C8126
47
16V
V-S
C8129
0.1
B
C8150
0.1
B
C8151
100P
CH
C8109
1
B
C8110
1
B
C8128
1 B
C8147
820P
CH
C8112
1
B
C8113
1
B
C8137
330P
CH
C8146
1
B
C8144
0.1
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
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
R8115
1M
R8114
1M
R8130
4.7K
R8131
1K
R8122
270
R8129
3.3K
R8105
270
R8124
270
R8148
100
R8146
1K
R8143
1K
R8145
100
R8123
2.7K
R8128
12K
R8119
820K
R8125
12K
R8116
1K
R8113
100K
R8121
1M
R8120
1M
R8118
1M
R8117
1M
L8104
47uH
NLCV32T
Q8103
KTC3875S_Y_RTK
SYSNC_SEPA
Q8102
KTC3875S_Y_RTK
SYSNC_SEPA
Q8105
KTA1504S_Y_RTK
BUFFER
Q8106
KTA1504S_Y_RTK
BUFFER
Q8101
KTA1504S_Y_RTK
SYSNC_SEPA
IC8104
NJM2584AM(TE1)
SW
1
10
11
12
13
14
15
16
23456
78
9
IC8103
MM1501XNRE
SCART2 OUT CVBS SW
123
4
5
6
SW2_G/Y
SW2_G/Y_1
SW_G/SW_Y
SW_Y/G
SW2_B/CB
SW_PB/B
SW_PR/R
SW2_B/CB_1
P.CON+5V
SW_B/SW_CB
SW2_R/CR_1
SW2_R/CR
SW_R/SW_CR
SW2_B/CB_1
VGA-G
SW2_G/Y_1
VGA-R
VGA-B
SW2_R/CR_1
VGA-R
YUV_SW
C_SYNC
P.CON+5V
C_SYNC_POP
SD_SW1
YUV_SW
VGA-B
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
VGA-G
SW_CVBS
P.CON+5V
C_SYNC
SW_Y/G
SW_PB/B
SW_PR/R
GND
AT+5V
P.CON+9V
P.CON+5V
SW_VIDEO_Y
SW_CVBS
SD_SW1
P.CON+9V
P.CON+3.3V
AV SWITCH SCHEMATIC DIAGRAM
H-32
H-31
(SCALER PCB)
1.0
0.7
0
NC
0
0.7
5.0
0
0.7
5.0
NC
FROM JACK
TO ADC1
FROM REGURATER
NC
FROM/TO SCALER
FROM/TO MICON
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
OUT1
IN3B
GND3
IN2A
CTL
V+
IN2B
GND1
IN1A
IN1B
NC
GND2
OUT2
OUT3
NC
IN3A
1.7
0
1.0
1.8
0
2.0
0
2.4
2.0
0
2.4
3.1
4.8
2.5
0
2.5
PCBDS0
CEF156