Panasonic PV-D301 Service Manual page 194

LCD II (LCD DRIVE) SCHEMATIC DIAGRAM (I, IA, J, JA, K, KA, L, LA)
VIDEO SIGNAL
6
TO LCD I
LCD+7.5V 12
LCD+12V
11
LCD+5V
13
SW+3V 8
LCD+3V 9
R9001
4700
L9006
15
BRIGHTNESS
VR9001
1
CONTROL 10KB
BRIGHTNESS
5
Z
Z
R9003
C9001 C9054
4700
0.1
R9014
15K
C9013
2.2
Z
C9005
LCD LOAD 2
R9004 1K
SERIAL CLOCK 4
R9005 1K
SERIAL DATA 3
4
R9006 1K
L9001
15
C9009
R9054
22/6.3V
2200
C9003
R9013
4.7/6.3V
560
R9055
Z
C9007
R9010
1
100
Q9053
LUMINANCE
7
2SB1218A
(BUFFER)
3
C9011 0.1
R9011 100
B-Y 5
100
R9012
R-Y 6
C9012 0.1
2
LCD-15V 14
PR9051
LSSF003C10T
10
BL+4.5V
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/16W.
A B
C9016
10/6.3V
C9014
R9015
1500P
12K
36 35 34 33 32 31 30 29 28 27 26 25
C9008
0.1
VCC
R9017 0
37 SERIAL 24
LCD PANEL R9018 0
D/A
38 23
DRIVE CONTROL
R9019 0
CONVERTER
39 22
40 21
H SYNC V SYNC
20
41
SEPARATION SEPARATION
42 19
C9019
43 VDD VCC 18
4.7/16V
Y R
44 VCC GND 17
DRIVE
45 GND 16
B-Y RGB SIGNAL G
C9010 R9020 100
DRIVE
46 PROCESS 15
680P
R-Y C9021 2.2
B
14
47 DRIVE
R9021 100
48 13
C9020 2.2
IC9001
AN2545FHQ
1 2 3 4 5 6 7 8 9 10 11 12
RGB SIGNAL PROCESS
R9022 100
/LCD PANEL INDICATOR
CONTROL
R9016 10K
C9022
C9015
2.2
R9025 6800
4.7/6.3V
C9017 C9018
2.2 0.1
L9003
C D
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
L9007
L9004
15
TP9006
WF21 WF20
TP9003 TP9001 TP9002
Z
C9056
R9023 33K
WF22
L9005
C9024
TP9007 15
2.2
5 4
IC9002
C9025
R9028
VDD
TA75S558FTEL 150P
22K
(OP AMP)
VEE
R9024
1 2 3
100K
R9026
47K
Z
C9050
C9023
R9027
0.01
2.2
47K
15
Z
C9058
E F
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
HAVE
REFER TO BEGINNING OF SCHEMATIC SECTION.
15
R9030
10K
R9031
C9027
10K
0.1
WF19
C9026 2.2
Q9005
R9033 33K
UN5114
(SWITCHING)
Q9004
UN5212
Z
(SWITCHING)
C9032
C9028 C9029
0.1
1 0.1
R9029
R9032
39K
100K
L9051 68
T9051
ETJ11K114AM
R9051
Q9051
2200 2SD1119
4 8
/2SD2150T100R
3
(SWITCHING)
C9052
1
0.027
TP9004
7
2 5
C9051
10
Q9052
2SD1119
/2SD2150T100R
TP9005
(SWITCHING)
G
H I
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-D301 A
Note:
PV-D301 AA
For distinguishing marks A from AA, D from DA, etc.,
VM-D101 B
refer to "1 MODEL NO. IDENTIFICATION MARK IN
PV-L501 C
THIS SERVICE MANUAL" section.
PV-L551 D
PV-L551 DA
PV-L561 E
PV-L561 EA
PV-L581 F
PV-L581 FA
PV-L51 G
PV-L51 G A
PV-L601 H
PV-L601 HA
PV-L651 I
PV-L651 IA
PV-L661 J
PV-L661 JA
PV-L681 K
PV-L681 KA
PV-L61 L
PV-L61 LA
VM-L451 M
VM-L451 MA
LCD PANEL UNIT
Not Used Z
FP9001
24 STH1
23 OEH
22 Q2H
21 CLK1
20 CLK2
19 CLK3
18 GND
17 B
16 G
15 R
14 VB
13 LR
12 STH2
11 LCD +5V
10 VCOM
9 LCD+12V
8 SW+3V
7 STV2
6 OEV
5 CPV
4 UP/DOWN
3 STV1
2 LCD-15V
1 VGL
C9055
C9053
15P 18P
LAMP UNIT
LSXY0206
BACKLIGHT
LINK TO VOLTAGE CHART
LINK TO SIGNAL WAVEFORM
LSJB8074
J