Color Evf Block Diagram - Panasonic Palmcorder VHSC PalmSight PV-L759 Service Manual

COLOR EVF BLOCK DIAGRAM

COLOR EVF A C.B.A.
+4.5V
P3 P901
LUMINANCE
1 1
FROM VIDEO P3 P901
R-Y
BLOCK DIAGRAM
6 6
P3 P901
B-Y
7 7
P3 P901
SERIAL DATA 0
10 10
FROM PROCESS
P3 P901
BLOCK DIAGRAM SERIAL CLOCK
11 11
P3 P901
EVF LOAD
12 12
IC901 (RGB SIGNAL PROCESS/LCD PANEL INDICATOR CONTROL)
35
V SYNC
V-PULSE
SEPARATION
V/H SYNC
50 HH-KIL BGP
SEPARATION
DET
PHASE
49 1/NH H-PULSE
DET
VCO X2
59
58
DL
46
D/A
45 GCA
CONVERTER
47
48 REG BPF GCA
61 TRAP CLAMP DL
62
CONTRAST CLAMP GAMMA CHAR
CONTRAST CLAMP GAMMA CHAR
CONTRAST CLAMP GAMMA CHAR
VCC
6 8 9 1
L902
+4.5V
VIDEO SIGNAL
20
28
27
26
25
24
23
BL
22
LCD
DRIVE
21
OUTPUT
DL
GCA
G-Y
29
30
31
INVERTER
+15V
VCC 19
DC. CONTROL AMP 18
DC. CONTROL AMP 17
DC. CONTROL AMP 16
AVE. DET 14
34
V REF 2
13 33
Q905
+15V
Q904
IC904
POWER CONTROL
Q902
2 4
EVF LCD PANEL UNIT
FP901
12
FP901
4
FP901
5
FP901
6
FP901
7
FP901
8
FP901
9
FP901
10
FP901
11
FP901
15
FP901
17
FP901
16
FP901
3
FP901
2
FP901
1 R G B R G
FP901 G B R G B R
SW+14V
Y
13 B R G B R G
BUFFEER
SHIFT
FP901
REGISTER
VSSH
14 R G B
PIXEL MATRIX
FP901 G B R
19
FP901
VDDV
20
FP901
V-COM
18
COLOR EVF B C.B.A.
L901
B902 B901
+4.5V
2 2
B902 B901
5 5
Q907
Q909
5-14
X SHIFT REGISTER 1
X SHIFT REGISTER 2
X SHIFT REGISTER 3
X SHIFT REGISTER 4
VIDEO R
VIDEO
VIDEO G
SIGNAL
LINE
VIDEO B
SAMPLE
HOLDER
B B R
G B
Y
B R G
BUFFEER
SHIFT
REGISTER
B R G
G B
T901
1 8
2 7
PL901
BACKLIGHT
3 6
4 5
Q901
(SWITCHING)