Digital Comb/Filter Schematic Diagram - Toshiba 14af42 Service Manual

A B
8
7
6
5
4
3
2
1
A B
C D

DIGITAL COMB/FILTER SCHEMATIC DIAGRAM

L1505
15uH
0305
C1513
1.5
0.1 B
NTSC 3LINE COMB FILTER IC
IC1501
LA76600M-TLM
C1504
2.6 2.3
CIN COUT
0.1 B
4.8 0
INSEL
OUTSEL
C1505
3.7 2.5
YIN2 YOUT
0.1 B
0 0
GND
GND
C1514 0.1 B
W872 4.8 3.1
AVCC YIN1
L1503 C1518
R1504
4.8 3.5
C1516
DVCC AFC
8.2K 50V KA 1
220uH
9.5
C1506
4.0
16V 10 KA
SAND CASTLE RD
R1528 91K
0.1 B C1512
C1507 C1515
2.0 1.2
PHASE DET FSC_IN
0.1 B
0.1 B 0.1 B
0 0
GND GND
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.
C D
E
(MAIN PCB)
C1523
120P CH
8.78
3.80 BUFFER
BUFFER 8.15
4.92 Q1506
Q1503 W852
BUFFER 4.1
2SA1037AK
2SC2412K Q1505
2.77
2SC2412K
2.14
0 C1519
R1515 470
0.1 B
C1527
0.0012 B
W812
4.9
R1527
2.45
BUFFER
Q1504
15K 1/4W
2SC2412K 1.95
4.94 C1530_2
BUFFER
Q1507
2.28
50V 3.3
2SC2412K
1.66
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
L1511
15uH
0305
R1521 C1535
1K 1/4W 0.1 B
FROM/TO AV
Y_V_OUT_COMB
C_V_OUT_COMB
GND
SW_VIDEO_OUT
FROM CHROMA/IF
FSC_OUT
FROM POWER
L1512 R1522
P.CON+5V
22uH
YK 1K
P.CON+9V
GND
COLOR SIGNAL
LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
F G
H
8
7
6
5
4
3
2
PCB010
TMA532
1
H