Toshiba 20AF43 Panduan Servis - Halaman 29
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Halaman Cetak
A
B
8
7
6
L1505
15uH
0305
5
4
COMB FILTER IC
2.6
C1504
CIN
0.1 B
4.9
INSEL
4.2
C1505
YIN2
1 B
0
GND
L1502
4.9
AVCC
220uH 0305
3
L1503
4.9
DVCC
220uH 0305
4.0
C1506
SAND CASTLE
0.1 B
2.1
C1507
PHASE DET FSC_IN
0.1 B
0
GND
2
1
A
B
G-15
C
COMB/FILTER SCHEMATIC DIAGRAM
R1512
470
BUFFER
5.0
Q1503
C1513
1.0
KTC3875S_Y_RTK
0.1 B
1.0
C1519
0.1
B
IC1501
LA76600M-TLM
2.4
COUT
0
OUTSEL
3.4
YOUT
0
GND
C1514
2.9
0.1 B
YIN1
R1528
R1529
100uH
3.6
C1516
82K
2.7K
AFC
R1504
C1518
0.1
B
5.0
9.5
C1512
BUFFER
2.4
8.2K
50V
1
KA
RD
Q1504
0.1
B
0.9
KTC3875S_Y_RTK
2.0
C1515
0.1 B
0
GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
C
D
E
(MAIN PCB)
L1511
15uH 0305
9.0
2.5
BUFFER
Q1508
KTC3875S_Y_RTK
2.0
C1535
16V
10
KA
L1508
0305
R1523
100
5.0
C1530
BUFFER
L1512
R1522
Q1507
2.2
16V
47
YK
22uH
1K
KTC3875S_Y_RTK
1.6
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
FROM/TO AV
S_VIDEO_IN[C]
S_VIDEO_IN[Y]
VIDEO SW(Y) IC
FROM/TO MICON
IC1502
MM1501XNRE
4.5
0
Vin1
SW1
Y/C_SW
0
4.4
GND
V.OUT
4.5
7.9
Vin2
Vcc
VIDEO SW(C) IC
IC1503
MM1501XNRE
FROM/TO CHROMA
0
4.5
Vin1
SW1
Y_V_OUT_SW
0
4.4
GND
V.OUT
C_V_OUT_SW
L1501
4.5
7.9
Vin2
Vcc
P.CON+8V[A]
100uH 0305
P.CON+5V
FSC_OUT
VIDEO_OUT
FROM/TO POWER
GND
FROM/TO SOUND
W804
GND
PCB010
TMC559
F
G
H
8
7
6
5
4
3
2
1
H
G-16