Philips 19PFL3507T/60 Service Manual page 54

Circuit Diagrams and PWB Layouts
10-2-2 LED Driver
LED Driver
A02
+12V
C8101
+
470UF 25V
C8105
100N 50V
DIM
ON/OFF
IC8501
1
EN
R8101 2
DIM
4K7 1/8W 1% 3
GM
VFB 4
VFB
VSET 5
VSET VMOS
6
OVP
7
RT
C8108
10N 50V
PF7001S
C8109
100N 50V R8102
100K 1% 1/8W
+12V VSET
R8110
100K 1% 1/4W
R8111
C8104
18K 1/8W 5%
100N 50V
+5.2V
C8114
VBJT R8112 10N 50V
Q8102
2N3904
0R05 1/6W 5%
R8113
18.2R 1%
VADJ
R8121
13R 1%
TPM9.3E LA 10.
L8101
NC
L8102
47UH
Q8101
EMBA0N10G
R8104
22 OHM 1/8W
D8102
R8105
SS1060FL
SLP 2 1 2R2 +-5% 1/8W
14 VADJ
SLP
13 VBJT
VADJ
12 +12V
VBJT
11
VCC
10
9 C8103 R8103 C8107
GND
8 1uF 50V 0R05 1/4W 1uF 50V
CS
R8108
200OHM +-5% 1/8W
C8110
470P 50V
LED1 LED2 LED3 LED4
R8129 R8131
R8130
0 OHM +-5% 1/8W 0 OHM +-5% 1/8W
NC
Q8104 Q8105 Q8106 Q8107
2N3904 2N3904 2N3904 2N3904
R8123 R8124 R8125
R8122
Q8103 13R 1% 13R 1% 13R 1% 13R 1%
2N3904
EN 54
FB8101
BEAD D8101
SR810-05
1 2 1 2
C8102
C8113
C8116
100UF 63V 100UF 63V
2.2nF 1KV
C8106
+ +
NC
C8115
47PF 1KV
C8111
NC
D8103
2
LED1
R8106
3
10K 1/8W
1
BAV99
R8107
0R1 5% 2W
D8104
2
LED2
3
1
NC
D8105
2
LED3
3
1
NC
D8106
2
LED4
3
1
BAV99
VFB
back to
2013-Mar-01
div. table
VLED+
R8116
100K 1% 1/4W
R8117
4.3K 1% 1/8W
R8118
1M 1/8W 5% SLP
R8119
C8112
150K 1/8W 5%
NC
VLED+
LED4
LED3
LED2
LED1
CN8103
NC
2
4
6
R8120
0R05 1/6W 5%
LED Driver
A02
6
5
4 CN8101
3 CONN
2
1
1
3
5
A 2012-05-28
715G5502
19272_501_120702.eps
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