Panasonic PV-L550 Manual page 153

LCD C.B.A.
IC9003 (SYNC SEPARATOR)
Q9003
V/H SYNC V-SYNC
BUFFER 14 7
SEPARATION SEPARATION
AFC 8
H.
COUNT
H.
DOWN
VCO
12 13
32kHz
X9001
OSC
LCD SHAFT
UNIT
RELAY C.B.A.
P2 P9001 FP9002
LUMINANCE
8 8 11
P2 P9001 FP9002
FROM VIDEO
R-Y
BLOCK DIAGRAM 9 9 12
P2 P9001 FP9002
B-Y
10 10 13
P2 P9001 FP9002
BRIGHTNESS
CONTROL 4 4 6
P2 P9001 FP9002
LCD LOAD
TO/FORM
3 3 5
PROCESS
P2 P9001 FP9002
BLOCK DIAGRAM
SERIAL CLOCK
1 1 3
P2 P9001 FP9002
SERIAL DATA 0
2 2 4
IC9001(RGB SIGNAL PROCESS/LCD PANEL INDICATOR CONTROL)
NOT USED
46
IC9004 (INVERTER)
V/H SYNC
1 7 6 2 47
SEPA
REG +3.5V
VR9001
DL DL
BRIGHTNESS
FP1201
48 CLAMP GCA
13
FP1201
14 2 DL GCA
FP1201
15
1 DL GCA
LCD +3V
FP1201
8
R9004 D9001
FP1201
37
7
SERIAL
R9005 D9002
FP1201
D/A
38
5
CONVERTER
R9006 D9003
FP1201
39
6
LCD +7.5V 18 VCC (+7.5V)
25 VCC (+3V)
LCD +3V 43 VCC (+3V)
44 VCC (+3V)
V
COUNTER
V-SYNC
SEPARATION
PLL
COUNTER
H
COUNTER
LCD DRIVE
OUTPUT
RGB OSD
MATRIX CONTRAST CLAMP GAMMA
SW SW
REVERSE(L/R) CONTROL
REVERSE(UP/DOWN) CONTROL
40 41
(WITH 2.5 OR 3 INCH LCD)
(WITH 4 INCH LCD)
LCD +5V
FP9001
11
FP9001
LCD +3V
17
FP9001
LCD -15V
23
FP9001
LCD +12V
16
OEH FP9001
21
2
STH2 FP9001
19
13
FP9001
STH1
20
1
CPH3 FP9001
22
6
CPH2 FP9001
23
5
CPH1 FP9001
24
4
OEV FP9001
32
19
STV2 FP9001
30
18
STV1 FP9001
29
22
FP9001
CPV
31
20
FP9001
QH
33
TP9002 3
R FP9001
16
TP9001 10
FP9001
G
LIMIT INV DRIVE 14 TP9003 9
FP9001
B 8
11
LCD +5V
FP9001
V-COM DC
8
CONTROL
15
LCD -15V
IC9002
FP9001
V-COM AC
9 3 OP AMP 4
CONTROL
24
FP9001
12
FP9001
21
LCD -15V
Q9005
LCD +3V
Q9004
LCD -15V
Q9002
BL +4.5V
LCD +3V
Q9001
VIDEO SIGNAL
LCD PANEL UNIT
X DRIVE X DRIVE
1 2 3 478 479 480
1
R G B R G B
V- 2 B R G B R G
COM
3 R G B R G B
233 R G B R G B
234 B R G B R G
(WITH 2.5 OR 3 INCH LCD)
T9051
Q9051
4 8
3
PL9001
1
BACKLIGHT
L9051
7
Q9052
2 5
C9053/C9055
(WITH 4 INCH LCD)
L9101
T9101
Q9102
5 6
4
PL9101
3
BACKLIGHT
2
Q9101
1 10
C9103