Panasonic PV-L452 Service Manual page 271

LCD II (LCD DRIVE) SCHEMATIC DIAGRAM
REC VIDEO SIGNAL
TO LCD I LCD_7.5V
TO LCD I LCD_12V
TO LCD I LCD_5V
TO LCD I SW_3V
L9006
15U[J]
TO LCD I BR_CONT
- +
D9001
SW9002 SW9001
PT
EVQ21405R C9054
EVQ21405R
0.1
R9001
1 47K
TO LCD I GND
PT
C9005
TO LCD I LCD_LOAD
R9004 1K
TO LCD I LCD_CLK
R9005 1K
TO LCD I LCD_DATA
R9006 1K
L9001
15U[J]
TO LCD I LCD_3V
R9054
2200 22/6.3V
C9003
4.7/6.3V
R9055
PT
R9010
100
Q9053
TO LCD I Y
2SB1218A
C9011
R9011
0.1[KB]
100
TO LCD I B-Y
TO LCD I R-Y
R9012
C9012
100
0.1[KB]
TO LCD I LCD_-15V
PR9051
LSSF003C10T
TO LCD I BL_4.5V
TO LCD I BL_GND
L9007
15U[J]
R9057
UNIPAC
PT
C9016
10/6.3V
R9014
R9015
15K
12K
C9013
2R2[KB]
TP9006
36 35 34 33 32 31 30 29 28 27 26 25
C9008 R9017
0.1 0
37 LOAD CLK1
24
R9018
38 CLK CLK2 23
R9019
39 DATA CLK3
22
40 UD OEH 21
41 RL STH1 20
42 LCDEN IC9001 STH2 19
AN2545NFHQ
43 VDD 7.5V 18
C9009 C9019
44 VCC1 GND2
17
4.7/16V
45 GND1 R_OUT 16
R9020
R9013 C9010
46 VD R_DC
15
680P
560 C9021
47 HD G_OUT 14
R9021
48 G G_DC 13
C9007
C9020
1
2R2
1 2 3 4 5 6 7 8 9 10 11 12
R9022
100
R9016
10K
C9015
4.7/6.3V
C9018
0.1[KB]
L9051
SLF6028T680M
R9051
2200
C9051
C9058
10[KB]
PT
IMPORTANT SAFETY NOTICE: NOTE: For placing a purchase order of the parts,
COMPONENTS IDENTIFIED BY THE SIGN HAVE
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
L9004
R9056
PT 0
0
0
WF21 WF19 WF20
TP9003 TP9001 TP9002
C9056
PT
100
2.2
WF22
100 R9023 47K
TP9007
L9005
15U[J]
C9024
C9026
2.2 2.2
5 4
R9028 C9025
IC9002
22K 150P
TA75S558F
1 2 3
R9026
47K
R9024
100K
R9027
4700
L9003
15U[J]
T9051
C9052 ETJ11K95AM
0.027
4 8
Q9051
2SD1119 3
1 TP9004
C9055
C9053
15P[SL]
7 15P[SL]
2 5
Q9052
TP9005
2SD1119
PL9001
LSXY0205
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
be sure to use the part number listed in the parts list.
REFER TO BEGINNING OF SCHEMATIC SECTION.
Do not use the part number on this diagram.
R9030
10K
C9027
0.1[KB]
R9031
10K
B
Q9005 R9033 B
UNR511400L 33K
A
R9052
1K
Q9004
UNR521200L C9032
C9028
0.1
1[KB]
C9029
R9029
R9032 0.1
12K A
15K
11K B
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-L452 A
B
PV-L652 B
LCD PANEL UNIT
Not Used PT
FP9002
1 STH1
2 OEH
3 Q2H
4
CLK1
5 CLK2
6 CLK3
7 GND
8 B
9 G
10 R
11
VB
12 RL
13 STH2
14 VEE
15
VCOM
16 VGH
17 VDD
18 STV2
19 OEV
20 CPV
21 UD
22 STV1
23 VSS
24 VGL
3.0" ONLY
A
LCD PANEL UNIT
FP9001
24 STH1
23 OEH
Q2H
22
21 CLK1
CLK2
20
19 CLK3
GND
18
17 B
G
16
15 R
14 VB
13 RL
12 STH2
11 VEE
10 VCOM
9 VGH
8 VDD
STV2
7
6 OEV
CPV
5
4 UD
3 STV1
2 VSS
1 VGL
2.5" ONLY
LINK TO SIGNAL WAVEFORM
LSJB8143
PV-L452, PV-L652
LCD II (LCD DRIVE) SCHEMATIC DIAGRAM