Lcd Drive Block Diagram (Lv75 Only) - Panasonic DVD-LV75 Service Manual

14.5. LCD DRIVE BLOCK DIAGRAM (LV75 only)

IC8001-5 IC8001-3
0.8Vp-p 2.8Vp-p
(20usec./div.) (20usec./div.)
IC8001
Y IN
IC3201-7 3 TRAP
C IN
IC3201-12 5 ACC
KILLER
PAL SW
PAL MODEL ONLY
COLOUR LEVEL
Q8901
VR8004
5V AMP
B-Y R-Y
6 12 10 9
PICTURE
CONTROL
N P
P N
R-Y
COLOUR
HPF
CONTROL
DEMOD
B-Y
APC
F/F VCO
34 14 36
SYNC
IN
X8001
(3.58MHz:NTSC)
(4.43MHz:PAL)
Q8201 IC8202
6
VD FILTER INV.
IC8404 IC8405
BRIGHT LEVEL
VR8006
29
Γ
INV
R
G INT/EXT
Γ
MATRIX INV
B SW
Γ
INV
SYNC SEP
AMP
35 38 32
SYNC SYNC COM
COM
SEP OUT FRP
IC8403
Q8406,8401
BUFFER
IC8201
(CONTROLLER)
1
IC8202 SYNC IN
1 7
2 HD IN
NTSC
IC8202
MODEL ONLY
2 3 5
5 VD IN
IC8205
1 MMV 4
PAL MODEL ONLY
6 HD OUT
VCO
36 VCOI
VR8601
17V 33 PD
39
:VIDEO SIGNAL
WB/R
VR8002
5V 5V
IC8001-19 IC8001-21
4.2Vp-p 4.2Vp-p
31
(20usec/div.) (20usec/div.)
LCD PANEL UNIT
R-OUT
AMP 19
G-OUT
AMP 21
SOURCE
DRIVER
B-OUT
AMP 24
SW
33 30
FRP
5V
VR8001
WB/B
14 21
POL OEH
STH1 23
CPH1 29
CPH2 27
CPH3 25
GATE
DRIVER
CPV 16
OEV3 17
OEV2 18
OEV1 19
STV2 26
DVD-LV75 / DVD-PV55
IC8001-24
4.2Vp-p
(20usec/div.)