Panasonic Quasar PV-D300, Service Manual

Page: 199 / 199

LEVEL CHANGE
DRIVER
DRIVER
GND
VDC
LEVEL CHANGE LEVEL CHANGE
LEVEL CHANGE LEVEL CHANGE LEVEL CHANGE LEVEL CHANGE
11 12 13 14 15 16 17 18 19 20
10 9 8 7 6 5 4
3
2 1
48
1 2 3 4 5 6 7 8 9 10 11 12
36 35 34 33 32 31 30 29 28 27 26 25
47
DC
CONT DC
CONT
FCK
LPF
CLAMP
SYNC
SEPARATION
BLANK
BLANK
CLAMP
D/A
CONVERTER
1/4
LPF
S/H
S/H
S/H
CLAMP AMP
AGC
VDD
GND VCC
VCC
VCC VCC
GND
GND
GND
1/3
1/2
GAMMA
CONTROL
DC
CONT
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
VCA
90
DET
FILTER
ADJ
VCA
+
-
V-REF(L)
V-REF(H)
V-REF(M)
VDD
MODULATION
AMP
IC603 CCD V DRIVE IC-DETAIL BLOCK DIAGRAM, MN3112SA-E1 IC605 SAMPLING HOLD/AGC CONTROL IC-DETAIL BLOCK DIAGRAM, AN2109FHQ