Philips 40PFT5501 Service Manual page 54

Circuit Diagrams and PWB Layouts
10-3-4 LED Boost
A04
LED Boost
R8609
10KOHM
BL_ON/OFF
DIM
R8610
10KOHM
C8611
NC
R8631
NC
A3D
R8629
NC
R8633
NC
R8612 Q8604
NC NC
Q8605
NC
R8632
R8611 NC
NC
QM16.4E LA 10.
+24V
R8614
0R051/8W
+12VS
+ C8612
C8601
10UF 50V 1N 50V
C8604 R8615
100N 50V 10KOHM
U8601
PF7909S
14 1
C8605
FB DIMOUT
13 2
NC
GM VCC
12 3
ADIM CS
11 4
VREF OUT
10 5
FLAG GND
9 6
EN OVP
8 7
DIM RT
R8624
C8602
180K +-1% 1/8W
1N 50V
R8626
150K 1/8W +/-1%
FLAG
R8628
10KOHM
C8603
1UF 16V
Q8603
SM1A30NSK
5 4
-VLED
D G
6 3
D S
7 2
D S
8 1
D S
R8630
100R
R8602 R8603 R8604 R8605
1.2R 1% 1.2R 1% 1.2R 1% 1.2R 1%
EN 54
HS8601
HEAT SINK
1
2
3
4
D8601
MBRF20100CT
L8601
33uH
2
4
R8617
6
0R051/8W
L8603
NC R8616
D8101
33OHM Q8601
2 1
AOTF4126
NC
R8623
10KOHM C8607
47PF
R8620
1K
C8606
470P 50V
R8613
100R
R8608
10KOHM
R8606 R8607 R8634
1.2R 1% 1.3R 1% 1.3R 1%
back to
2016-Apr-1
div.table
FB8603
NC L8602
J U N P E R
3UH
1 2
+ + + R8621
C8614 C8613 C8608 C8609 C8615
47K 1/4W
NC NC
47uF 100V 47uF 100V 47uF 100V
R8618
270K 1%
R8619
270K 1%
R8625
22KOHM 1/8W +-1%
CN8603
12
+VLED
11
10
9
-VLED
8
7
6
5
4
3
2
1
CONN
LED Boost
A04
+VLED
R8622 + C8610
47K 1/4W 47uF 100V
2015-11-12
715G7575
20050_506.eps