FUNAI LT5-M32BB, Service Manual

Page: 24 / 76

7-2
Video Block Diagram
A73F2BLV
J
A
CK CB
A
DIGIT
AL MAIN CB
A UNIT
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
S-VIDEO -IN
3
4
2
1
YC
JK7203
VIDEO-IN1
JK7303
COMPONENT -Y
-IN1
COMPONENT -Pb-IN1 COMPONENT -Pr-IN1
JK7101
CN7001
CN701
TU-VIDEO
32
R
18
G
14
B
16
CVBS/Y
10
Pb
20
8
CN7003
CN702
DTV
-CVBS
4
2
CN304
CN4504
DTV
-CVBS
4
6
22 26 24 30 20
CN303
CN4503
TU-VIDEO
TU-VIDEO
20
R
3 Pb
5
4
21 19
B
1
23
CN302
CN4502
G
22
CVBS/Y
18
Pr/C
20
2 6 4
Pr/C
12
28
IC7701 (VIDEO SELECT
OR)
10 16 14 12 55 53 51 69 73 71 24 26 63 67 65 22
VIDEO SELECT
OR
JK7001
15 11
7
VIDEO-B1
VIDEO-G1 VIDEO-R1
19 20
BGB- VIDEO-IN1
VIDEO-OUT1
JK7002
15 11
7
VIDEO-B2
VIDEO-G2 VIDEO-R2
19 20
BGB- VIDEO-IN2
VIDEO-OUT2
40 38 34 32 33 28 29 30
17
R G
B
CVBS/Y
Pb
Pr/C
T4102 (TUNER UNIT)
VIDEO-OUT
B
UFFER
Q4101
VIDEO SIGNAL
PO
WER SUPPL
Y CB
A
WF2
WF1
WF3
WF4
WF5
WF6
CN4105
DTV
-CVBS
1
T
O
D
VB-T MODULE
CBA UNIT