Philips 22PFS5304/60 Service Manual page 73

9-4-12 LED Driver
VCC
14
OUT
VLED-
U8601
14
PF7708BS
1
LED
2
VCC
3
CS/OVP
4
OUT
C8614 C8608
220N 50V
10uF 50V
24VS
L8602
33uH
OUT
14
R8612
33K 1/10W 1%
R8606
33K 1/10W 1%
8
FB
7
BRIGHT_ADJ
GM
6
DIM
5
GND
R8611
33K 1/10W 1%
10P 50V
C8612
47N 50V
R8613 R8614 R8615 R8616 R8617
1.2R 1%
1.2R 1% 1.2R 1% 1.2R 1% 1.2R 1%
D8601
SR506-44
1 2
D8602
SR506-44
1 2
Q8601
CY S9240 32A
R8605
10 OHM 1% 1/10W
R8619
D8603
10 OHM
R8607
1N4148W
5R6 1%
C8613
R8608
100pF 50V
10K 1/8W
R8610
4K3 1/10W 1%
R8601
C8611
0R075
CN8602
CONN(1.2MM)
1
2
R8618 VLED+
3
1.5R
4
5
6
VLED-
FB8601
BEAD
1 2
FB8602
BEAD
1 2
+
C8604 C8605
R8603
330UF 35V 100N 50V
100K
PWR_12V
C8615
100N 50V
R8622
1K 1/10W 5%
3
INVERTER_ON_OFF
PWR_12V
INVERTER_ON_OFF
GND
GND
BRIGHT_ADJ
R4088
VLED+
+
C8601
C8606 C8607
R8604 330UF 35V
220N 50V 220N 50V
100K
D8604
1N4148W
Q8602
DTA144WN3/S
VCC 14
C8616
100N 50V
R8621
0R05 1/10W
Q8603
2N7002K
PWR_12V 3,13
3
INVERTER_ON_OFF
3,4,5,6,7,8,9,10,11,12,13
BRI_ADJ 4
1K