Philips 22PFL3108H/60 Service Manual page 74

Circuit Diagrams and PWB Layouts
10-2-2 LED DRIVER
LED DRIVER
A02
+12V
C8105 C8101
+
NC 330UF 25V
DIM
ON/OFF
IC8501
1
R8101
EN SLP
2
51K 1/8W 1%
DIM VADJ
3
GM VBJT
4
VFB
VFB VCC
5
VSET
VSET VMOS
6
OVP GND
7
C8108
RT CS
10N 50V
R8102
PF7001S
C8109
180K +-1% 1/8W
100N 50V
+12V VSET
R8110
100K 1%
R8111 +12V
18K 1/8W 1% C8104
100N 50V
R8133
R8132
150R 150R
C8114
VBJT 10N 50V 2N3904
R8115 100R 1%
Q8102
R8114 100R 1%
R8113 100R 1%
VADJ
TPN10.1E LA 10.
L8102
47uH
C8116
NC
C8107
NC
C8115
NC
R8104
22OHM +-5% 1/8W
D8102
R8105
1N4148W
SLP 2R2 +-5% 1/8W
14
VADJ
13
VBJT R8106
R8103
12
+12V
10K OHM +-5% 1/8W
11
10
9 C8103
0 OHM +-5% 1/8W
8
100N 50V
R8108 R8107
0R1 5% 2W
200OHM +-5% 1/8W
C8110
470P 50V
LED1 LED2 LED3 LED4
R8129 R8130 R8131
NC NC NC
Q8104 Q8105 Q8106 Q8107
2N3904 2N3904 2N3904 2N3904
R8122 R8123 R8124 R8125
Q8103
10R5 1% 10R5 1% 10R5 1% 10R5 1%
2N3904
R8121
10R5 1%
EN 74
FB9905
SR310-29
BEAD
D8101
1 2 1 2
C8106 C8102 C8113
+ +
Q8101 NC 33UF 100V NC
MTD55N10Q8
C8111
NC
D8103
2
LED1
3
1
BAV99
D8104
2
LED2
3
1
BAV99
D8105
2
LED3
3
1
BAV99
D8106
2
LED4
3
1
BAV99
VFB
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2013-Oct-18
div.table
FB9907
JUMPER VLED+
1 2
R8116
100K 1%
R8117
3K9 1/8W 1%
R8118
1M 1/6W 5% SLP
R8119
C8112
150K 1/8W 5%
NC
VLED+
LED1
LED4
LED3
LED2
LED1
LED DRIVER
A02
CN8102
NC
2
1
CN8101
CONN
1
6 2
5 3
4 4
3 5
2 6
1 7
8
9
10
CN8104
NC
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