Panasonic Omnivision PV-9661 Service Manual page 327

PV-9661 / PV-9662
9.8. ADVANCE BLOCK DIAGRAM
MAIN C.B.A.
(FROM IC6001(99))
HEAD AMP SW
(FROM IC3001(25))
VIDEO
(FROM IC6001(10))
CUE/REV/SLOW
/STILL (L)
(FROM IC3001(69))
AUDIO
(FROM IC3001(58))
PB AUDIO
IC3801 (SYNC DETECTOR)
ENV-MASK GENERATOR
16
TP3805
24 23
V/H SYNC V- SYNC
SEPARATION SEPARATION
H-MASK
H-MASK H-MASK
WIDTH
DELAY
CONTROL
BLACK VIDEO
33 CLAMP LPF CLAMP AMP
DETECTOR
32 31 30
L3802
C3821
CHROMA
TRAP
35
CA
3
BLACK AUDIO
LPF
DETECTOR
MA
AMP
4
5 7
ENV-
21 22
MASK
TP3803
V-MASK
V-MASK V-MASK
WIDTH MIX 13
DELAY
CONTROL
12
TP3802
CA
VIDEO
LATCH
25
MA
28
COUNTER
TP3801
CA
AUDIO
LATCH
11
MA
COUNTER
8
78
(TO IC6001(2))
E/V MASK (H)
(TO IC6001(43))
VIDEO BLACK
DETECT (L)
(TO IC6001(44))
AUDIO BLACK
DETECT (L)