Philips 55PFL6900/F7 Service Manual page 108

Power Supply 2 Schematic Diagram [TYPE B]
POWER SUPPLY CBA
4
D1203 R1220 C1212 C1213 C1204 C1205
MM5Z30B 240K 1/100V 1/100V 47/100V 47/100V
D1204 R1221
MM5Z24B 240K
R1210 R1222
10K 47K
R1211 R1223
10K 10K
D1202
1SS400ST
Q1205
KTC3875S
-Y-RTK/P
3.3 R1241
(SWITCHING)
100K
0.1
R1240
0
100
IC1201
BD9289F-GE2
LED BACKLIGHT
DRIVER
12.2
1 VCC
C1210
1 0.1
2
3
9.0
3
C1211
VREG
2.2 2.9
4
LOGIC
CONTROL
0.9
5 DRIVE
R1217
0
200
6 GND
0.1
7
1.2
8 OVP
C1209 D1209
0.1
470P MM5Z5V6B R1226 9
20K
D1210 0.1
10
1SS400ST
R1229
0.1
LED DRIVE
13K 11
0.1 LED SHORT/OPEN
R1205
12
PROTECT
100K
12.0
R1203 13
10K
0.7
14
D1205
OPEN
2
R1225
1K
R1207 C1207
39 10/50V
1
H
L1202
220uH
L1201
C1201 C1202 C1206 C1203
220uH
330/63V OPEN OPEN OPEN
D1201
SB2150BD
D1208
R1201 R1202
SB2150BD 30uH OPEN
D1211
OPEN
44.4 Q1201
D
TK9A20DA
R1216
(SWITCHING) 10
G
0.9
S R1219 C1208
0.1
10K 470P
R1218
0.18/2W
R1232
47K
R1235
68K
R1233
0
GND 28 18K
1.2
LSP 27
1.4
26
R1227
C1218 C1217 R1234 R1237
1.4 62K
0.01 0.01 10K 12K
OSC 25
R1238
5.1K
1.7
24
C1216
R1228
0.22 D1207
0.1 120
CP 23 OPEN
C1215
0.8 1
22
C1214
OPEN Q1204
0.8 RSR020N06TL 12.0
21 D
(SWITCHING)
0.7 G
20
R1239 0.7
S
12.0 1K 0.1
19
R1244
100K
0.1
18
0.7 R1214
17
0.75
R1230
5.1K R1215
12.0
16 0.75
D1206
0.1
15 OPEN 12.0
D
Q1203
G RSR020N06TL
(SWITCHING)
0.7
R1231
S
1K 0.1
R1243
100K
R1224
5.1K
12.0
D R1212
0.75
Q1202
G RSR020N06TL
R1213
(SWITCHING)
0.7 0.75
S
0.1
R1242
100K
R1208
0.75
R1209
0.75
R1204 10K
R1206
100K
I J
D1101
SB2150BD
D1103 R1120 C1112 C1113 C1104 C1105
D1108
MM5Z30B 240K 1/100V 1/100V 47/100V 47/100V
SB2150BD
D1104 R1121
MM5Z24B 240K
R1110 R1122
10K 47K
R1111 R1123
10K 10K
D1102
1SS400ST
Q1105
KTC3875S
-Y-RTK/P
3.3 R1141
(SWITCHING)
100K
0.1
R1140
0
100
IC1101
BD9289F-GE2
LED BACKLIGHT
DRIVER
12.2 0
1 VCC GND 28
C1110
1 0.1 1.2
2 LSP 27
9.0 1.4
3 26
C1111
VREG
2.2 2.9 1.4
4 OSC 25
LOGIC
CONTROL
0.9 1.7
5 DRIVE 24
R1117
0 0.1
200
6 GND CP 23
0.1 0.8
7 22
1.2 0.8
8 OVP 21
C1109 D1109
0.1 0.7
470P MM5Z5V6B R1126 9 20
20K
D1110 0.1 12.0
10 19
1SS400ST
R1129
0.1 0.1
LED DRIVE
13K 11 18
0.1 LED SHORT/OPEN 0.7
R1105
12 17
PROTECT
100K
12.0 12.0
R1103 13 16
10K
0.7 0.1
14 15
R1124
D1105 5.1K
OPEN
12.0
D
Q1102
G RSR020N06TL
(SWITCHING)
0.7
R1125
S
1K
0.1
R1142
100K
R1108
0.75
R1109
0.75
R1107 C1107
39 10/50V
12.4 12.5
Q1001
R1004
2SA1576UBTLQ
11.7
3.9K
(SWITCHING) R1001
10K
R1002
3.9K
0 R1005
Q1002
10K
KTC3875S 0.7
-Y-RTK/P
C1001 R1003
(SWITCHING)
0
1 47K
K
10-6
L1102 CONTINUE
220uH
POWER SUPPLY 1
VIN
L1101
C1101 C1102 C1106 C1103
220uH
330/63V OPEN OPEN OPEN
R1101 R1102
30uH OPEN
D1111
OPEN
44.0 Q1101
D
TK9A20DA
R1116
(SWITCHING) 10
G
0.9
S R1119 C1108
0.1
10K 470P
R1118
0.18/2W
TO LCD PANEL
CN1101
ASSEMBLY
74.0
8 ANODE(L)
7 NU
6 NU
5 NU
4 NU
12.0
3 L3-CATHODE
R1132
47K 12.0
R1135 2 L2-CATHODE
68K 12.0
1 L1-CATHODE
R1133
18K
R1127
C1118 C1117 R1134 R1137
62K
0.01 0.01 10K 12K
R1138
5.1K
C1116
R1128
0.22 D1107
120
OPEN
C1115
1
C1114
OPEN Q1104
RSR020N06TL
12.0
D
(SWITCHING)
G
R1139 0.7
S
1K
0.1
R1144
100K
R1114
0.75
R1130
5.1K R1115
0.75
D1106
OPEN
12.0
D
Q1103
G RSR020N06TL
(SWITCHING)
0.7
R1131
S
1K
0.1
R1143
100K
R1112
0.75
R1113
0.75
TO LCD PANEL
CN1201
ASSEMBLY
74.0
1 ANODE(R)
2 NU
3 NU
4 NU
5 NU
12.0
6 R1-CATHODE
12.0
7 R2-CATHODE
12.0
8 R3-CATHODE
R1104 10K CONTINUE
POWER SUPPLY 1
BACKLIGHT-SW
BACKLIGHT-ADJ
PROTECT3
R1106
P-ON-H2
100K
AMP+13V
L M
PL15.16BSCP2