Lcd I (Lcd Power) / Relay Schematic Diagram - Panasonic Palmcorder VHSC PalmSight PV-L759 Service Manual

LCD I (LCD POWER) / RELAY SCHEMATIC DIAGRAM

NOTE:
LCD SHAFT UNIT IS NOT SERVICEABLE AND IS
SUPPLIED AS A UNIT ONLY FOR REPLACEMENT.
THEREFORE, THIS SCHEMATIC DIAGRAM IS
FOR REFERENCE ONLY.
LCD SHAFT UNIT
ON: REVERSE
OFF: NORMAL
7
LCD NORMAL
/REVERSE
LCD REVERSE(H)
REG +3.5V
6
RELAY C.B.A.
TO MAIN C.B.A.
P2
P9001 FP9002
SERIAL CLOCK 1 18 SERIAL CLOCK
SERIAL DATA 0 2 17 SERIAL DATA 0
LCD LOAD 3 16 LCD LOAD
BRIGHTNESS CONTROL 4 15 BRIGHTNESS CONTROL
REG +3.5V 5 14 REG +3.5V
GND 6 13 REG +3.5V
GND 7 12
5
LUMINANCE 8 11
R-Y 9 10
B-Y 10 9
LCD MODE 11 8
UNREG 12 7
UNREG 13 6 LUMINANCE
5
4
3 LCD MODE
2 UNREG
VJBW1640 1 UNREG
4
UNREG
LCD OPEN(H)
REG +3.5V
LCD
ON: OPEN
OPEN/
OFF: CLOSE
CLOSE
TO LCD II
BRIGHTNESS CONTROL 1
LCD LOAD
3
SERIAL DATA 0
SERIAL CLOCK
LUMINANCE
2
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/16W.
A A A B C
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
FP1202
1
2
3
GND 4
GND 5 D1201
DAN202UT
R1246
27K R1247
68K
FP1201 R1248 R1249
4700 4700
1
2
3
4
5 Q1201
DTA124EU
6
SWITCHING
R1207
GND 7
LCD ON-ON
820K
GND
8
R1206
GND 9
10K
GND 10
D1202 R1208
GND 11
R1201
22K
DAP202UT
18K
GND 12
13
R-Y 14 R1204
10K
B-Y 15
C1201 R1202
16
10K
0.1 Q1204
17
MSD1819A(R)
18
SWITCHING
19
LCD ON-ON
20
21
R1210
22K
R1213 C1203 R1211
2200 1 33K
2
3
C1208
4 R1215 C1205
330P
1800 0.1
B-Y 5
R-Y 6
C1207 R1216
R1217
1800
4.7/10V
5100
7
R1214
2200
R1218 C1210
R1266 Z
22K 1
C1213 R1222
Q1219 4700P 0
R1242 MSB1218A(R)
R1219
10 IC1201
ERROR
33K
BA9708K
VOLTAGE DET
R1267
(PWM CONTROL)
10K
C1204
R1221
1
2200
Q1213
R1269 C1236
DTC124EU
10K 0.01
(SWITCHING)
TP1207
D1209
DAN202UT
D E
3-15
REC VIDEO SIGNAL
Q1216
DTA124EU
R1250
(SWITCHING)
47K Q1220
MSD1819A(R)
C1221 R1251
(SWITCHING)
0.1 47K
Q1205
2SB1628-T1ZX
+4.5
L1201 L1202
CONTROL
10 10
C1235 C1211
D1204 C1222 C1223
10/16V
1000P MA720 3.3 10/10V
Q1202
DTA124EU
SWITCHING
LCD ON-ON
C1212
10
Q1203
MSD1819A(R)
SWITCHING
LCD ON-ON
R1256
R1209
C1209
4700
10K
0.1
C1214
0.01
R1223
0
C1206 R1224 T1201
VTPW0008
0.33 47
R1212
1
10K
24 23 22 21 20 19 18 17
2
Q1206
DT3
2SB1424T100P
3
+5V
25 V-REF 16
CONTROL
4
REG
26 PWM CTL 15
27 VCC 14
28 OSC SCP ON/OFF CTL 13
T1202
GND
29 12
VTPW0009
30 PWM CTL 11
1
DT1
31 10
PWM CTL
32 9 2
Q1207
2SB1424T100P
3
LCD POWER
1 2 3 4 5 6 7 8 R1225
CONTROL 4
47
R1226
C1216 C1215 39
220P 220P
R1227
0
C1219
4700P
R1270
10K
F G H
COMPARISON CHART
OF MODELS & MARKS
MODEL
PV-L759
PV-L779
PV-L859
Not Used
PB VIDEO SIGNAL
R1253
47K
R1252
Q1218
22K
MSB1218A(R)
(SWITCHING)
R1233
2700 R1234
10K
TP1201
R1272
0 1/8W
C1224 R1236
470P 8200
R1245
150K
R1235
R1237
Q1210 10K
L1208 R1254
2700
MSD1819A(R)
47
47K
R1238 (+3V REGULATOR)
220
C1220
C1217
1
1
TP1206
R1228
R1258
10K
R1263
10K
10K
Q1221
R1259
FMW1T148
27K
R1257
ERROR 4700
VOLTAGE DET
TP1202
D1205 L1204
MA720 10
8 C1227
R1239 C1228 C1229
C1225 680P 9100
1 10/10V
2.2
7
R1240
C1226
4.7/10V 2700
6
R1241
5 180
Q1211
MSD1819A(R)
TP1205
+7V
D1206
L1207
MA111 47 REGULATOR
C1234 D1210
C1218
C1238
C1237 220P R1243 R1229 MA8068-L
1 22K 1
8 1 27K (6.8V)
R1262
0
R1230
7
560
R1244
6 2700
R1231
Z
R1220
5 Q1212
270 R1232
MSD1819A(R)
5600
R1271
ERROR
10
D1207 VOLTAGE DET
L1206
MA111 47
C1232
C1231
1 1
I J K
MARK
A
B
C
Z
TP1203
Q1209
MSB1218A(R)
-15V
REGULATOR
TP1204 TO LCD II
8 REG +3.5V
9 LCD REVERSE(H)
10 BACKLIGHT +4.5V
11 LCD +3V
12 LCD +7V
13 LCD +12V
14 LCD -15V
15 LCD +5V
R1255
1M
C1233
2.2
Q1214
2SK1958
(SWITCHING)
Q1215
DTC144EU
(SWITCHING)
VJBW1639
L M