Lcd Ii (Lcd Drive) Schematic Diagram (E) - Panasonic Quasar PV-D300 Service Manual

8.11. LCD II (LCD DRIVE) SCHEMATIC DIAGRAM (E)

LCD+7.5V 12
LCD+12V 11
LCD+5V 13
LCD+9V 8
6
REG+3.5V 9
R9001
4700
VR9001
BRIGHTNESS
1
10KB
CONTROL
BRIGHTNESS
Z
C9001 R9003
TO LCD I
0.1 4700
5
R9004 1K
LCD LOAD 2
R9005 1K
SERIAL CLOCK 4
R9006 1K
SERIAL DATA 3
4
LUMINANCE 7
B-Y 5
R-Y 6
L9008
15
R9039
LSSX0031
10K
C9034
3
10/6.3V C9035 R9038
1 470
R9037
150K
2
IC9003
M52684BFP
(V/H SYNC SEPARATION)
LCD-15V 14
1
BL+4.5V 10
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/16W.
A A A B
R9007 R9008 R9009
10K 10K 10K
C9044
R9014
0.1
15K
C9013
2.2
C9005 C9008
10/6.3V 0.1
D9001 MA111
D9002 MA111
D9003 MA111
L9001 15
C9009 22/6.3V
L9002 15
C9003 R9013 C9010
22/6.3V 560 680P
R9053 R9054
C9007
C9048
100 0 0.1
0.1
C9049
0.1
Z
R9011 100
R9012 100
C9039
0.01
C9041
Z
1
X9001
R9041
R9040
3300
270
14 13 12 11 10 9 8
VCC
H VCO
AFC
HORIZONTAL
COUNT DOWN
V/H-SYNC
SEPARATION
V-SYNC
C9047
SEPARATION
0.1 R9046
GND 2200
1 2 3 4 5 6 7
8 7
R9042
47K
IC9004
TC7W04F
(INVERTER)
TP9008
1 2
R9045
0
R9048
R9047 C9045
1K
C D
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
IC9001
AN2545FHQ
C9014 RGB SIGNAL PROCESS
R9015
1500P 12K /LCD PANEL INDICATOR
CONTROL
TP9006
36 35 34 33 32 31 30 29 28 27 26 25
VCC
R9017 0
37 SERIAL 24
LCD PANEL R9018 0
D/A
38 23
DRIVE CONTROL R9019 0
CONVERTER
39 22
40 21 L9004
H SYNC V SYNC 15
41 20
SEPARATION SEPARATION
42 19
43 VDD VCC 18
Y R C9019 10/16V
DRIVE
44 VCC GND 17
R9020 100
B-Y
45 GND GND RGB SIGNAL G 16
DRIVE C9021 2.2
R-Y PROCESS
46 15
R9021 100
B
R9023
47 14
DRIVE
C9020 2.2 30K
48 13
1 2 3 4 5 6 7 8 9 10 11 12
R9022
C9011
0.1 100
R9016
C9015 10K
C9012
4.7/6.3V
0.1
C9022
2.2
Z
C9017 C9018
2.2
0.1
Z
C9046
1000P
6 5
3 4
E F G
91
PV-D300 / VM-D100 / PV-L550 / PV-L600 / PV-L650 / VM-L450
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN HAVE
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
REC VIDEO SIGNAL PB VIDEO SIGNAL
L9007 15
L9006 15
R9044
Z
R9030
10K
TP9001 TP9003
WF20 TP9002 WF19 WF21
TP9007
WF22
L9005
15
C9024 C9026
2.2
2.2
R9033
33K
5 4
Q9002
R9028 C9025
VDD
UN5114
22K 150P
(SWITCHING)
VEE
1 2 3 Z
Q9001
DTC124EU
IC9002
R9025
(SWITCHING)
TA75S558F85L
6800
(OP AMP)
L9101 T9101
68
LSLT0030
C9102
0.039
Q9102
5
6
2SD1119
(SWITCHING) 4
R9101 TP9004
3
1K
2
1 10
C9101
22/6.3V
Q9101 TP9005
2SD1119
(SWITCHING)
H I
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-D300 A
VM-D100 B
PV-L550 C
PV-L600 D
PV-L650 E
VM-L450 F
Not Used Z
LCD PANEL UNIT
FP9001
1 SH1
2 OEH
3 Q2H
4 CLK1
5 CLK2
6 CLK3
7 GND
8 B
9 G
10 R
11 VB
12 L/R
13 STH2
14 LCD+5V
15 V-COM
16 LCD+12V
17 LCD+3V
18 STV2
19 OEV
20 CPV
21 UP/DOWN
22 STV1
23 LCD-15V
24 VGL
C9103 R9102
10P 0
LAMP UNIT
LSXY0157
BACKLIGHT
LSJB8031
J