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
IC1502
NJM2283M
AV/S SW IC
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
TUNER VIDEO SIGNAL
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
C1520
56P
SL
C1521
10P CH
C1505
4.7
50V
KA
C1524
10
16V
KA
C1527
10
50V
YK
R1522
1K
1/4W
R1521
820
R1523
1K
R1512
1K
R1519
560
R1518
560
R1520
1K
1/4W
R1524
1K
1/4W
D1502
1SS133
D1501
1SS133
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
W807
Q1508
KRC102MAT
S_VIDEO SW
CAUTION: DIGITAL TRANSISTOR
5V
C_IN
Y_IN
VIDEO_IN
V1_SW
VI_C_IN
VIDEO_OUT
VI_Y_IN
S_VIDEO
ON_TIMER
AV1
ON_TIMER
GND
(MT2272)
0
0
4.9
G-14
G-13
FROM/TO POWER
FROM MICON/TUNER
FROM/TO CHROMA
FROM/TO AV
(MAIN PCB)
N
L
N
L
L
N
4.5
4.5
0
0
0
4.5
4.5
7.5
7.5
7.5
4.5
4.5
3.8
3.8
3.8
4.9
PCB010
TMB544
COMB/FILTER SCHEMATIC DIAGRAM