Philips 55PFL4909 Service Manual page 48

Power Supply 2 Schematic Diagram
C1303 C1302 C1301
100/63V 1/100V 1/100V
BC1302
BEAD
D1304
4
C1317 C1318
TFZVTR20B
47/100V 47/100V
R1322
D1305 R1325
OPEN
TFZVTR20B 360K
R1323
R1326
3.9K
240K
IC1301
BD9486F-GE2
R1324 R1327
3.9K 22K
LED BACKLIGHT
DRIVER
5.0
1
C1305 LDO
D1303
2.9
1
1SS400ST
2
1.2
3 OVP LOGIC
R1301 R1310
75K 36K
4.2
4 ULVS
C1306
C1304
R1302 R1303
0.22
OPEN 5.0
20K 20K
5
FAIL
2.8
6 DETECT
R1309 0
7 NU
100K
LOGIC
R1340
OPEN
2.1
8 NU
3
R1311
C1307
R1343
24K
0.047
OPEN
R1312
C1340 R1341 R1306 R1307
R1342
2.2K
OPEN OPEN 10K 100K
OPEN
R1308
10K
C1341
OPEN
C1403 C1402 C1401
100/63V 1/100V 1/100V
BC1402
D1403
BEAD
1SS400ST
D1404
C1417 C1418
TFZVTR20B
47/100V 47/100V
R1422
D1405 R1425
OPEN
TFZVTR20B 360K
2
R1423
R1426
3.9K
240K
IC1401
BD9486F-GE2
R1424 R1427
3.9K 22K
LED BACKLIGHT
DRIVER
5.0
1
C1405 LDO
1 2.9
2
1.2
3 OVP LOGIC
R1401 R1410
75K 36K
4.2
4 ULVS
C1406
C1404
R1402 R1403
0.22
OPEN 5.0
20K 20K
5
FAIL
2.8
6 DETECT
R1440
OPEN
R1409 0
7 NU
100K
LOGIC
2.1
8 NU
R1411
R1441 C1407
R1442 OPEN
24K
0.047
OPEN
R1412
C1440 R1406 R1407
1
2.2K
OPEN 10K 100K
R1408
10K
POWER SUPPLY CBA
H
L1301
100uH
D1301
SB2150BD
D1308
D1302
C1314 C1315 C1316
OPEN OPEN
1/100V OPEN 1/100V
44.0 Q1301
D
C1319
AP18T10AGH-HF
R1313
150P/2KV
(SWITCHING) 10
G
3.3
0 S C1308
560P
R1318
200
R1316
C1309 R1315
OPEN
1000P 0.12/1W
R1317
OPEN
11.0
VCC 16
0
ISW 15
3.3
DRIVE 14 D 0.8
R1328
1K Q1303
11.0 G
13 AP18T10AGH-HF
11.0
(SWITCHING)
S
0 0.7
GND 12
R1321
51
0.7
11
R1320 C1310
C1313
120 0.22 R1329
1.2
2200P
10 0.62
DRIVE
C1311
2.0 OPEN R1330
OSC 9
0.56
R1319
R1331
62K R1305
C1312 0.56
120
1
R1304
120
L1401
100uH
D1401
SB2150BD
D1408 D1402
C1414 C1415 C1416
OPEN OPEN
1/100V OPEN 1/100V
Q1401
C1419 44.0 D
AP18T10AGH-HF
R1413
150P/2KV
(SWITCHING) 10
G
3.3
0 S C1408
560P
R1418
200
C1409 R1415 R1416
1000P 0.12/1W OPEN
R1417
OPEN
11.0
VCC 16
0
ISW 15
3.3
DRIVE 14 0.8
D
R1428
1K Q1403
11.0 G
AP18T10AGH-HF
13
11.0
(SWITCHING)
S
0
0.7
GND 12
R1421
51
0.7
11
R1420 C1410
C1413
120 0.22 R1429
1.2
2200P
10 0.62
DRIVE
C1411
2.0 OPEN R1430
OSC 9
0.56
R1419
R1431
62K R1405
C1412 0.56
120
1
R1404
120
I J
L1101
C1103 C1102 C1101
100uH
100/63V 1/100V 1/100V
BC1102
BEAD
D1104
C1117 C1118 C1114 C1115
TFZVTR20B
47/100V 47/100V 1/100V OPEN
R1122
D1105 R1125
OPEN
TFZVTR20B 360K
R1123 R1126
3.9K 240K
IC1101
BD9486F-GE2
R1124 R1127
3.9K 22K
LED BACKLIGHT
DRIVER
5.0 11.0
1 VCC 16
C1105 LDO
2.9 0
D1103 1
2 ISW 15
1SS400ST
1.2 3.3
3 OVP LOGIC DRIVE 14
R1101 R1110
75K 36K
4.2 11.0
4 ULVS 13
C1106
C1104
R1102 R1103
0.22
OPEN 5.0 0
20K 20K
5 GND 12
FAIL
2.8 0.7
6 DETECT 11
R1109 0 1.2
7 NU 10
100K
LOGIC DRIVE
R1140
OPEN
2.1 2.0
8 NU OSC 9
R1111
R1141 C1107
R1142
24K
OPEN 0.047
OPEN
R1112
C1140 R1106 R1107
2.2K
OPEN R1108 10K 100K
10K
L1201
C1203 C1202 C1201
100uH
D1203 100/63V 1/100V 1/100V
BC1202
1SS400ST
BEAD
D1204
C1217 C1218 C1214 C1215
TFZVTR20B
47/100V 47/100V 1/100V OPEN
R1222
D1205 R1225
OPEN
TFZVTR20B 360K
R1223
R1226
3.9K
240K
IC1201
BD9486F-GE2
R1224 R1227
3.9K 22K
LED BACKLIGHT
DRIVER
5.0 11.0
1 VCC 16
C1205 LDO
1 2.9 0
2 ISW 15
1.2 3.3
3 OVP LOGIC DRIVE 14
R1201 R1210
75K 36K
4.2 11.0
4 ULVS 13
C1206
C1204
R1202 R1203
0.22
OPEN 5.0 0
20K 20K
5 GND 12
FAIL
2.8 0.7
6 DETECT 11
R1209 0 1.2
7 NU 10
100K
LOGIC DRIVE
R1240
OPEN
2.1 2.0
8 NU OSC 9
R1211
C1207
R1243
24K
0.047
OPEN
R1212
C1240 R1242 R1241 R1206 R1207
2.2K
OPEN OPEN OPEN 10K 100K
R1208 C1241
10K OPEN
K
10-4
GP001
OPEN
D1101
SB2150BD
D1108
D1102
C1116
OPEN OPEN GP002
1/100V
OPEN
Q1101
44.0 D
C1119
AP18T10AGH-HF
R1113
150P/2KV
(SWITCHING) 10
G
3.3
0
S C1108
GP003
560P
R1118 OPEN
200
R1116
C1109 R1115
OPEN
1000P 0.12/1W
R1117
OPEN
CN1101
51.0
1 VLED1
0.8
2 ILED1
D 0.8
R1128
1K Q1103
G
AP18T10AGH-HF
CN1201
11.0
(SWITCHING)
S
51.0
0.7
1 VLED2
R1121 0.8
2 ILED2
51
51.0
3 VLED3
R1120 C1110
C1113
120 0.22 R1129 0.8
2200P 4 ILED3
0.62
C1111
OPEN R1130
0.56
R1119
R1131
62K R1105
C1112 0.56
120
1
R1104
120
BACKLIGHT-SW
BACKLIGHT-ADJ
PROTECT3
AMP+13V
VIN
D1201
SB2150BD
D1208 D1202
C1216
OPEN
OPEN
1/100V
Q1201
C1219 44.0 D
AP18T10AGH-HF
R1213
150P/2KV
(SWITCHING) 10
G
3.3
0 S C1208
560P
R1218
200
R1216
C1209 R1215
OPEN
1000P 0.12/1W
R1217
OPEN
0.8
D
R1228
1K Q1203
G
AP18T10AGH-HF
11.0
(SWITCHING)
S
0.7
R1221
51
R1220 C1210
C1213
120 0.22 R1229
2200P
0.62
C1211
OPEN R1230
0.56
R1219
R1231
62K R1205
C1212 0.56
120
1
R1204
120
CN1401
51.0
1 VLED4
0.8
2 ILED4
L
TO LCD PANEL
ASSEMBLY
TO LCD PANEL
ASSEMBLY
CONTINUE
POWER SUPPLY 1
CONTINUE
POWER SUPPLY 1
TO LCD PANEL
ASSEMBLY
M
PL14.26SCP2