Philips 50PFL4909/F7 Service Manual page 37

Power Supply 2 Schematic Diagram
C1303 C1302 C1301
100/63V 1/100V 1/100V
4
C1314 C1315 C1316
D1304
1/100V OPEN 1/100V
TFZVTR27B
R1322 D1305
R1325
OPEN TFZVTR27B
360K
R1323
R1326
5.6K
240K
IC1301
R1324 HA7223PE
R1327
5.6K
20K
LED BACKLIGHT
DRIVER
5.0
1
C1305 LDO
D1303
1 3.0
1SS400ST
2
2.3
3 OVP LOGIC
R1301 R1310
75K 36K
5.6
4 ULVS
C1306
C1304
R1302 R1303
0.22
OPEN 0.3
20K 20K
5
FAIL
3.0
6 DETECT
R1309 0.2
7 NU
100K
LOGIC
2.1
8 NU
3
R1311
C1307
24K
0.047
R1312
C1320
2.2K R1306 R1307
OPEN
R1333
R1308 10K 100K
OPEN
10K
C1403 C1402 C1401
D1403 OPEN OPEN OPEN
OPEN
C1414 C1415 C1416
D1404
OPEN OPEN OPEN
OPEN
R1422 D1405
R1425
OPEN OPEN
OPEN
2
R1423
R1426
OPEN
OPEN
R1424
R1427
OPEN
OPEN IC1401
OPEN
1
C1405 LDO
R1433 OPEN
2
OPEN
3 OVP LOGIC
R1401 R1410
OPEN OPEN
4 ULVS
C1406
C1404
R1402 R1403
OPEN
OPEN
OPEN OPEN
5
FAIL
6 DETECT
R1409
7 NU
OPEN
LOGIC
8 NU
R1411
C1407
OPEN
OPEN
R1412
C1420
OPEN R1406 R1407
OPEN
1 JS1435
OPEN OPEN
OPEN
R1408
OPEN
POWER SUPPLY CBA
H
L1301
100uH
D1301
SB2150BD
D1301A L1302 D1302
C1317
OPEN BEAD
OPEN
100/100V
41.6 Q1301
D
AP05N20GH-HF
R1313
(SWITCHING) 10
G
3.6
S C1308
0
560P
R1318
200
R1316
C1309 R1315
OPEN
1000P 0.12/1W
R1317
OPEN
11.4
VCC 16
0
ISW 15
3.5
DRIVE 14 0.7
D
R1328
1K Q1303
11.4 G
13 AP18T10AGH-HF
11.4
(SWITCHING)
S
0
0.7
GND 12
R1321
51
0.7
11
R1320 C1310
R1329
C1313
120 0.22
1.3 0.62
2200P
10
DRIVE R1330
C1311
0.56
1.2 OPEN
OSC 9
R1331
0.56
R1319
62K R1305 R1332
C1312 D1306
75 0
1 OPEN
R1304
75
L1401
OPEN
D1401
OPEN
D1401A L1402
D1402
C1417
OPEN OPEN
OPEN
OPEN
Q1401
D
OPEN
R1413
OPEN
G
S C1408
OPEN
R1418
OPEN
R1416
C1409 R1415
OPEN
OPEN OPEN
R1417
OPEN
VCC 16
ISW 15
DRIVE 14
D
R1428
OPEN Q1403
G
13 OPEN
S
GND 12
R1421
OPEN
11
R1420 C1410
R1429
C1413
OPEN OPEN
OPEN
OPEN
10
DRIVE R1430
C1411
OPEN
OPEN
OSC 9
R1431
OPEN
R1419
OPEN R1405 R1432
C1412 D1406
OPEN OPEN
OPEN OPEN
R1404
OPEN
I J
L1101
C1103 C1102 C1101
100uH
100/63V 1/100V 1/100V
C1114 C1115 C1116 C1117
D1104
1/100V OPEN 1/100V 100/100V
TFZVTR27B
R1122 D1105
R1125
OPEN TFZVTR27B
360K
R1123
R1126
5.6K
240K
IC1101
R1124 HA7223PE
R1127
5.6K
20K
LED BACKLIGHT
DRIVER
5.0 11.4
1 VCC 16
C1105 LDO
D1103 1 3.0 0
2 ISW 15
1SS400ST
2.3 3.5
3 OVP LOGIC DRIVE 14
R1101 R1110
75K 36K
5.6 11.4
4 ULVS 13
C1106
C1104
R1102 R1103
0.22
OPEN 0.3 0
20K 20K
5 GND 12
FAIL
3.0 0.7
6 DETECT 11
R1109 0.2 1.3
7 NU 10
100K
LOGIC DRIVE
R1133
OPEN
2.1 1.2
8 NU OSC 9
R1111
C1107
24K
0.047
R1112
C1120
2.2K R1106 R1107
OPEN JS1135
R1108 10K 100K
OPEN
10K
L1201
C1203 C1202 C1201
100uH
D1203 100/63V 1/100V 1/100V
1SS400ST
C1214 C1215 C1216 C1217
D1204
1/100V OPEN 1/100V 100/100V
TFZVTR27B
R1222 D1205
R1225
OPEN TFZVTR27B
360K
R1223
R1226
5.6K
240K
IC1201
R1224 HA7223PE
R1227
5.6K
20K LED BACKLIGHT
DRIVER
5.0 11.4
1 VCC 16
C1205 LDO
1 3.0 0
R1233 2 ISW 15
OPEN
2.3 3.5
3 OVP LOGIC DRIVE 14
R1201 R1210
75K 36K
5.6 11.4
4 ULVS 13
C1206
C1204
R1202 R1203
0.22
OPEN 0.3 0
20K 20K
5 GND 12
FAIL
3.0 0.7
6 DETECT 11
R1209 0.2 1.3
7 NU 10
100K
LOGIC DRIVE
2.1 1.2
8 NU OSC 9
R1211
C1207
24K
0.047
R1212
C1220
2.2K R1206 R1207
OPEN
JS1235 10K 100K
R1208 OPEN
10K
K
10-4
CN1301
70.9
1 VLED3
0.7
2 ILED3
D1101
GP001
SB2150BD
OPEN
D1101A L1102 D1102
OPEN BEAD
OPEN
Q1101
41.6 D
AP05N20GH-HF
R1113
GP002
(SWITCHING) 10
G OPEN
3.6
0 S C1108
560P
R1118
200
GP003
R1116
OPEN
C1109 R1115
OPEN
1000P 0.12/1W
R1117
OPEN
CN1101
70.9
1 VLED1
0.7
2 ILED1
70.9
3 VLED2
0.7
D 0.7
R1128 4 ILED2
1K Q1103
G
AP18T10AGH-HF
11.4
(SWITCHING)
S
0.7
R1121
51
R1120 C1110
R1129
C1113
120 0.22
0.62
2200P
R1130
C1111
0.56
OPEN
R1131
0.56
R1119
62K R1105 R1132
C1112 D1106
75 0
1 OPEN
R1104
75
BACKLIGHT-SW
BACKLIGHT-ADJ
PROTECT3
AMP+13V
SPWM1
SPWM2
VIN
D1201
SB2150BD
D1201A L1202
D1202
OPEN BEAD
OPEN
Q1201
41.6 D
AP05N20GH-HF
R1213
(SWITCHING) 10
G
3.6
0 S C1208
560P
R1218
200
R1216
C1209 R1215
OPEN
1000P 0.12/1W
R1217
OPEN
0.7
D
R1228
1K Q1203
G
AP18T10AGH-HF
11.4
(SWITCHING)
S
0.7
R1221
51
R1220 C1210
R1229
C1213
120 0.22
0.62
2200P
R1230
C1211
0.56
OPEN
R1231
0.56
R1219
62K R1205 R1232
C1212 D1206
75 0
1 OPEN
R1204
75
CN1401
1 VLED4
2 ILED4
L
TO LCD PANEL
ASSEMBLY
TO LCD PANEL
ASSEMBLY
CONTINUE
POWER SUPPLY 1
CONTINUE
POWER SUPPLY 1
(NO CONNECTION)
M
PL14.24SCP2