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
RECORD COLOR SIGNAL
RECORD LUMINANCE 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
L1502
15uH 0305
L1504
150uH
0305
L1503
820uH
L1501
15uH
0305
TUNER VIDEO SIGNAL
C1516
47
16V
YK
PLAYBACK VIDEO SIGNAL
IC1501
TC90A45F
DIGITAL COMB FILTER IC
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
Q1501
KTC3875S_Y_RTK
BUFFER
Q1502
KTC3875S_Y_RTK
BUFFER
Q1503
KTC3875S_Y_RTK
BUFFER
R1506
820
R1501
330
R1502
6.8K
R1503
3.3K
R1504
1K
R1509
560
R1513
1K
R1512
330
R1507
1K
R1511
27K
R1510
56K
R1505
100
R1508
1.2K
C1521
3.3
50V
YK
C1518
220
6.3V
YK
C1515
100P
CH
C1510
0.01
B
C1513
180P
CH
C1512
0.01
B
C1520
0.1
B
C1501
56P
CH
C1504
0.01 B
C1519
0.01
B
C1508
0.01
B
C1502
0.1 B
C1517
0.01 B
C1506
27P
CH
C1505
0.01
B
C1507
0.01
B
C1509
0.01
B
C1511
0.47
B
C1523
39P
CH
C1524
56P CH
C1514
56P
CH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
P.CON+5V
GND
MONITOR_VIDEO
FSC
COMB_Y_OUT
COMB_C_OUT
FROM/TO VIF/SIF/CROMA
FROM AV SW
FROM REGULATOR
(AV PCB)
COMB FILTER SCHEMATIC DIAGRAM
PCB250
TMB543
1.7
2.4
2.1
4.4
1.9
VRB
VRT
ADIN
BIAS2
BIAS3
VFIL
CKIN
AV
SS
DD
DV
AV
Y
C
DV
DD
OUT
OUT
SS
BIAS1
TEST
KILLER
0
0
2.4
3.0
2.6
2.6
0
5.5
5.4
3.8
1.4
4.2
3.6
2.2
2.5
0
1.1
5.0
2.5
5.4
G-27
G-28