Color Evf Block Diagram - Panasonic Quasar PV-D300 Service Manual

10.13. COLOR EVF BLOCK DIAGRAM

COLOR EVF A C.B.A.
Q905
L905
+15V
Q904
Q903
L902
+4.5V
D901
Q902
FP3 FP901
R-Y
6 6
FROM VIDEO
FP3 FP901
BLOCK DIAGRAM LUMINANCE
1 1
FP3 FP901
B-Y
7 7
R902
FP3 FP901
EVF LOAD
12 12
FROM R903
FP3 FP901
PROCESS SERIAL CLOCK
BLOCK DIAGRAM 11 11
R904
FP3 FP901
SERIAL DATA 0
10 10
IC901 (EVF RGB SIGNAL PROCESS)
18 VCC
25 VCC
43 VCC
44 VCC
H
COUNTER
V/H SYNC PLL
47
SEPARATION
COUNTER
V SYNC V
SEPARATION COUNTER
DL DL
GCA
2 CLAMP
RGB BRIGHT-
48 CLAMP DL GCA MATRIX CONTRAST CLAMP
SW NESS
1
CLAMP
DL GCA
37
D/A
38
CONVERTER
39
VIDEO SIGNAL
FP902
1
FP902
8
HST FP902
20
9
HCK2 FP902
22
10
HCK1 FP902
24
11
BL CONTROL
36
FP902
14
FP902
LCD DRIVE
OUTPUT 15
FP902
13
VST FP902
29
3
EN FP902
34
6
VCK1 FP902
31
4
FP902
TP901
7
FP902
16
TP902
12
OSD
GAMMA LIMIT INV DRIVE 14
SW TP903
11
V-COM FP902
8
CONTROL 16
B902
+4.5V
2
B902
5
123
PV-D300 / VM-D100 / PV-L550 / PV-L600 / PV-L650 / VM-L450
EVF LCD PANEL UNIT
VDD
LEVEL
H SHIFT REGISTER
COVERTER
SAMPLE
HOLDER
B R G B R G
V
LEVEL R G B R G B
SHIFT
COVERTER
B R G B R G
REGISTER
B R G B
PIXEL MATRIX
R G B R G
UP/DOWN
BLANK
CONTROL
V-COM
COLOR EVF B C.B.A.
T901
1 8
2 7
PL901
L901
BACKLIGHT
3 6
4 5
B901
2
B901
Q901
5 (SWITCHING)
VIDEO R
VIDEO
VIDEO G SIGNAL
LINE
VIDEO B
G B R
R G
G B R
G B R
R G