Main Pcb Comb/Filter Schematic Diagram - JVC AV-20F703 Service Manual

[MAIN PCB COMB/FILTER SCHEMATIC DIAGRAM]

A B
8
7
6
5
4
3
2
1
A B
C
COMB/FILTER SCHEMATIC DIAGRAM
L1505
15uH 0305
C1513
0.1 B
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
1 B
0 0
GND
GND
C1514 0.1 B
W872 4.8 3.1
AVCC YIN1
L1503
4.8 3.5
DVCC AFC
8.2K
220uH
9.5
C1506
4.0
SAND CASTLE RD
0.1 B C1512
C1507
2.0 1.2
PHASE DET FSC_IN
0.1 B
0.1 B
0 0
GND GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
No.52001
AV-20F703 AV-20F703
D E
(MAIN PCB)
MC-Service
C1523
120P CH
3.80
BUFFER
4.92 8.15
Q1503 W852
2.77
1.50
KTC3875S_Y_RTK
BUFFER 2.14 R1515
0 C1519
Q1505
KTC3875S_Y_RTK 470
0.1 B
C1527_1
R1511
0.0047 X
1.2K
W812
R1504 C1518
C1516
R1527_1
50V 1 KA
4.93
BUFFER 15K 1/2W
16V 10 KA
W877
Q1504 2.45
R1528
KTC3875S_
C1515
Y_RTK 1.95
91K
0.1 B
BUFFER
Q1507
4.94
KTC3875S_Y
RTK
2.28
1.66
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
2-17 2-18
F G
L1511
15uH
0305
8.78
BUFFER
Q1506
4.1 KTA1504S_Y
RTK
R1521 C1535
1K 1/4W 0.1 B
C1530_1
L1512 R1522
50V 3.3 KANP 22uH 1K
COLOR SIGNAL
LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
F G
No.52001
H
8
7
6
5
FROM/TO AV
Y_V_OUT_COMB
C_V_OUT_COMB
GND
SW_VIDEO_OUT
4
FROM CHROMA/IF
FSC_OUT
FROM POWER
P.CON+5V
P.CON+9V
GND
3
2
PCB010
TMA532
1
H