Comb Filter - Toshiba 27AFX55 Service Manual

A B
8
7
L1505
15uH 0305
6
5
2.6
C1504
0.1 B
4.9
4.2
C1505
4
1 B
0
L1502
4.9
22uH 0305
L1503 4.9
22uH 0305
4.0
C1506
0.1 B
2.1
C1507
0.1 B
0
3
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
COMB FILTER IC
IC1501
LA76605M-TLM
2.4
CIN COUT
0
INSEL OUTSEL
3.4
YIN2 YOUT
0
GND GND
C1514
2.9
0.1 B
AVCC YIN1
3.6
C1516
DVCC AFC
R1504 C1518
0.1 B
5.0
9.5
C1512
BUFFER 2.4
8.2K 50V 1 KA
SAND CASTLE RD
Q1504
0.1 B
KTC3875S_Y_RTK
0.9 2.0
C1515
PHASE DET FSC_IN
0.1 B
0
GND GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(MAIN PCB)
L1511
15uH 0305
7.9
2.5 BUFFER
Q1508
KTC3875S_Y_RTK
2.0
C1535
25V 10 KA
B
L1508
100uH 0305
R1523
100
5.0
C1530_1
BUFFER L1512 R1522
Q1507
2.2 22uH
16V 47 KA 1K
KTC3875S_Y_RTK
1.6
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
FROM AV
VIDEO SW(Y) IC
IC1502
FROM MICON
MM1501XNRE
4.5 0
Vin1 SW1
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
0 4.4
GND V.OUT
L1501
4.5 7.9
Vin2 Vcc
100uH 0305
FROM/TO POWER
F G
H
8
7
S_VIDEO_IN[C]
S_VIDEO_IN[Y]
6
Y/C_SW
5
Y_V_OUT_SW
C_V_OUT_SW
P.CON+8V[A]
4
P.CON+5V
FSC_OUT
3
VIDEO_OUT
GND
2
PCB010
CMD016
1
H
G-16