Panasonic NV-SD440EG/ Service Manual page 64

MAIN SIGNAL PATH IN REC MODE
PK7702
OSD VIDEO IN
13
TO/FROM
OSD PACK
PK7702
OSD VIDEO OUT
15
TO TUNER RFC VIDEO OUT
FROM TV
TUNER VIDEO
DEMODULATOR
AV1
(TV)
8 PB +12V
7 BLUE
11 GREEN
15 RED
16 BLANKING
19 VIDEO OUT
20 VIDEO IN
PK7701
FROM
H
TV
OSD PACK
13
AV2
(DECODER/EXT)
8 PB +12V
7 BLUE
11 GREEN
15 RED
16 BLANKING
19 VIDEO OUT
20 VIDEO IN
PK7701
DEA
14
PK7701
DEB
15
FROM PK7701
H
CPB
OSD PACK
3
PK7701
H
AV1 PB
4
PK7701
H
RGB OFF
2
VIDEO
FRONT VIDEO
IN
FROM PK7701
VA
OSD PACK
7
MAIN SIGNAL PATH IN PLAYBACK MODE
QR4902
UNREG
14V
Q4906,
Q4907
AMP
QR4901
UNREG
14V
Q4908,
Q4905 Q4909
AMP
TW3003 TW3002
QR4903
P6501 P7502
4 5
Q4911
AMP
IC4902
1
15
2
11 10 9
IC4904
11
12
13
14
15
10 9
IC4901
12
14
13
TRUTH TABLE
(IC4901,IC4902)
11 10 9
INPUT OUTPUT
9 10 11 14
L L L 12
L L H 13
L H L 12
L H H 13
H L L 12
H L H 13
H H L 12
H H H 13
* * * NONE
TO
SYSTEM
CONTROL
FROM
SYSTEM ART V/H/N
CONTROL
SYS IIC CLOCK
TO/FROM
SYSTEM
CONTROL
SYS IIC DATA
15
2
TRUTH TABLE
2 (IC4904)
1 INPUT OUTPUT
1 9 10 3 13
2 L L 1 12
2 L H 5 14
1 H L 2 15
1 H H 4 11
NONE * * NONE NONE
HSS