Panasonic PV-20DF25 Service Manual page 56

PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
VIDEO SIGNAL PATH BLOCK DIAGRAM
MAIN C.B.A.
UHF/VHF TUNER/TV
DEMODULATOR UNIT
VIDEO
RF 17
VIDEO IN 1
FROM DVD II DVD LUMINANCE
BLOCK
DIAGRAM
DVD CHROMINANCE
IC5351 (SW)
5
TUNER Q5651
LINE-1
BUFFER
1 7
LINE
LINE-2
3
2 4
VIDEO IN 2
P4801
8
P4801
6
IC5651
Q5653
Y
15 LPF BUFFER
Y/C
4 Q5657 Q5658
SEPARATION
C
13 LPF AMP BUFFER
10
Q5659
Q5652
AMP
56
Q5303
BUFFER CC VIDEO
IC5301 (SW)
Q5353,
TUNER/LINE
Q5354
Q5301
48
DC CLAMP
BUFFER LUMINANCE
3
DVD
/BUFFER
46
Q5355
I2C
CONTROL
43 44
Q5614
D5612
BUFFER
Q5612
D5611
BUFFER CHROMINANCE
Q5613
3.58MHz
VIDEO SIGNAL PATH BLOCK DIAGRAM
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
VIDEO SIGNAL
TO TV Y/C PRPCESS
BLOCK DIAGRAM
(FROM IC6001 (25))
V-MUTE-2(L)
(FROM IC6001 (72))
I 2 C SERIAL DATA
(FROM IC6001 (71))
I 2 C SERIAL CLOCK
(FROM IC6001 (70))
COMPOSITE (H)
(FROM IC6001 (69))
TUNER(H)/LINE(L)
(FROM IC6001 (26))
LINE2(H)/LINE1(L)