Toshiba 20a42 - Page 26

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC1501
TC90A45F
COMB FILTER IC
1
10111213141516
2345678
9
LUMINANCE SIGNAL
COLOR SIGNAL
Q1504
2SA1015Y
BUFFER
Q1501
2SA1015Y
BUFFER
Q1502
KTC3198
BUFFER
Q1503
KTC3198
BUFFER
Q1505
KTC3198
BUFFER
C1504
0.4750V KANP
C1533
1050V NP
C1532
1016V KANP
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
C1511
0.01 B
C1523
0.01 B
C1519
0.01
B
C1530_1
22P CH
C1518
180P CH
C1509
0.01 B
C1510
0.01 B
C1508
0.01 B
C1515
100P CH
C1516
0.01 B
C1517
0.01 B
C1514
10016V YK
C1512
10016V YK
C1513
1006.3V KA
R1514
1K
R1513
1K
R1508
1K
R1506
820
R1516
680
R1517
1K
R1511
47
R1512
180
R1515
330
R1503
2.2K
R1504
100
R1505
100
R1507
1K
R1502
560
R1501
820
R1522
1K
R1523
4.7K
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
W897
W803
W895
W878
W818
W850
W896
W813
W893
W898
L1503_1
10uH
S804Y
GND
STEREO+5V
FSC
C_IN
Y_IN
P.CON+9V
VIDEO_IN
GND
4.7
FROM/TO AV
FROM/TO CHROMA
2.0
2.6
1.5
5.1
2.1
PCB010
TMB540
4.9
4.9
4.9
COMB/FILTER SCHEMATIC DIAGRAM
(MAIN PCB)
A.GND
4.2
3.5
2.9
VRB
VRT
ADin
BIAS1
TEST V.FIL
BIAS3
C.OUT
BIAS2
Y.OUT
A.VDDA.VSS
KILLER CKin
D.VCC D.VSS
0
2.3
2.9
2.5
1.2
0
0
0
3.5
5.1
1.5
2.9
3.5
2.2
2.3
5.2
0
0 0.6