Panasonic PV-D301 Service Manual page 190

LCD I (LCD POWER) / RELAY SCHEMATIC DIAGRAM (C, D, DA, E, EA, F, FA, G, GA, H, HA, M, MA)
NOTE:
LCD SHAFT UNIT IS NOT SERVICEABLE AND IS
SUPPLIED AS A UNIT ONLY FOR REPLACEMENT.
RELAY C.B.A.
5
R9004 27K
R9003 68K
R9001
R9002
TO MAIN C.B.A.
FP9002
4700
4700
FP10
FP9001
1
SERIAL CLOCK
1 2
SERIAL DATA
2 3
LCD LOAD 3 4
BRIGHTNESS CONTROL 4 5
REG +3.5V 5 6
LCD ON(H) 6 7
GND 7 8
GND 8 9
GND 9 10
4
GND 10 11
GND 11 12
LUMINANCE 12 13
R-Y 13 14
B-Y 14 15
LCD +13V 15 16
LCD -15V 16 17
LCD PANEL(OPEN(H)/CLOSE(L)) 17 18
UNREG 18 19
BL +4.5V 19 20
BL +4.5V 20 21
BL +4.5V 21 22
BL +4.5V 22 23
24
3
LSJB8075
2
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/16W.
A B
LCD SHAFT UNIT
ON : REVERSE
OFF: NORMAL
LCD NORMAL
/REVERSE SW
ON : OPEN
OFF: CLOSE
LCD OPEN
/CLOSE SW
FP1201
REG +3.5V 1
SERIAL CLOCK 2
SERIAL DATA 3
LCD LOAD 4
BRIGHTNESS CONTROL 5
GND 6
GND 7
GND 8
GND 9
GND 10
GND 11
LUMINANCE 12
R-Y 13
B-Y 14
LCD ON(H) 15
UNREG 16
BL +4.5V 17
BL +4.5V 18
BL +4.5V 19
BL +4.5V 20
LCD +13V 21
LCD -15V 22
TO LCD II
BRIGHTNESS CONTROL 1
LCD LOAD 2
SERIAL DATA 3
LCD CLOCK 4
B-Y 5
R-Y 6
LUMINANCE 7
C D
R1227
0
L1201
10
C1204 Q1204
R1209
1 R1211
SWITCHING
LCD ON-ON
Q1205
SWITCHING
CONTROL/ERROR
VOLTAGE DET
R1212
R1210 C1203
Q1206
2SB1218A
SWITCHING
Q1208 SWITCHING
LCD ON-ON
2SD1819A
LCD ON-ON
R1217
R1215 R1218
1K
22K
47K
C1206
C1207
0.1
0.1
R1216
22K
Q1209
2SD1819A
ERROR
VOLTAGE DET
Q1215
Q1207
UN5212
UN5212
R1222
SWITCHING SWITCHING
39K
LCD ON-ON LCD ON-ON
L1202 SWITCHING
Q1213
15 2SD2351T106V LCD ON-ON
C1209
D1203
0.1 C1210
MA8056-L
0.01
(5.6V)
R1226 R1223
100K 4700
Q1212
2SB1218A
OVER
R1224
Q1210
VOLTAGE DET 22K
C1212
UN5213
0.1
C1213 D1204
ERROR
0.01 MA8120-H
VOLTAGE DET
(12V)
SWITCHING
Q1211
2SD1819A LCD ON-ON
L1203 10
E F
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
Note:
For distinguishing marks A from AA, D from DA, etc.,
refer to "1 MODEL NO. IDENTIFICATION MARK IN
THIS SERVICE MANUAL" section.
VIDEO SIGNAL
TP1201 TO LCD II
9 LCD +3V
R1213 C1205
Q1214
2SD1819A
SWITCHING
LCD ON-ON
8 SW +3V
R1225
10K
Q1203
R1214
UN5112
ERROR
VOLTAGE DET
Z
TP1203
11 LCD +12V
TP1204
12 LCD +7.5V
D1206
MA8068-M
(6.8V)
C1208
0.1
R1219
560
R1220
5600
TP1205
13 LCD +5V
C1211
0.1
TP1206
14
LCD -15V
TP1202
BL +4.5V
10
LINK TO VOLTAGE CHART
LSJB8073
G
H
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-D301 A
PV-D301 AA
VM-D101 B
PV-L501 C
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
Not Used Z