Panasonic NV-SJ420EG Service Manual page 77

MAIN SIGNAL PATH IN REC MODE
Y/C VIDEO OUT
TO/FROM
SYSTEM
CONTROL
VIDEO OUT
TO TUNER RFC VIDEO OUT
FROM TV
TUNER VIDEO
DEMODULATOR
JK4903
(AV1)
TV
8 PB +12V
7 BLUE
11 GREEN
15 RED
16 BLANKING
19 VIDEO OUT
20 VIDEO IN
JK4902
(AV2)
DECODER/EXT
8 PB +12V
7 BLUE
11 GREEN
15 RED
16 BLANKING
19 VIDEO OUT
20 VIDEO IN
JK4904
VIDEO
IN FRONT VIDEO
(AV3)
FROM
SYSTEM AV1 PB H
CONTROL
OSD IIC DATA
TO/FROM
SYSTEM
CONTROL
OSD IIC CLOCK
MAIN SIGNAL PATH IN PLAYBACK MODE
IC4901
Q4904
AMP 20 CLAMP
7 CLAMP
TW3003 TW3002
36 CLAMP
34
33 PB H
PS
12V
Q4903
26
28 CLAMP
11 CLAMP
Q4901 QR4903
RGB
16
OFF H
PS
12V
2
IIC BUS
INTERFACE
3
TO
SYSTEM C SYNC
CONTROL
18
FROM
SYSTEM ART V/H/N
CONTROL
SYS IIC CLOCK
TO/FROM
SYSTEM
CONTROL
SYS IIC DATA