Philips 42PFD5519/30 Service Manual page 44

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Circuit Diagrams and PWB Layouts
10-3-2
LED DRIVER
LED Drive
A02
+12V1
C8501
100N 50V
VLED+
C8507
1uF_NC
R8515
100K 1% 1/8W_NC
R8516
100R 1%
FB
R8518
ZD8501
10K 1/8W 1%
BZT52-B4V7_NC
C8509
1NF 50V_NC
C8511
100N 50V
TPR14.1A LA
10.
L8502
+
+
C8517
C8502
D8502
R8501
470UF 25V
470UF 25V
NC
NC
VCC1
R8503
22R 1/8W 1%
C8508
100N 50V
IC8501
1
8
DIMOUT
VCC
2
7
GM
OUT
3
6
FB
GND
4
5
OVP/DIM
CS
PF7903BS
R8519
100 OHM 1%
R8520
C8510
ZD8502
1NF 50V
10K 1/8W 1%
BZT52-B22_NC
+12V
C8512
2.2uF 25V
R8527
ON/OFF
33K 1/8W 1%
R8528
C8516
100K 1/8W 1%
100N 50V
EN 44
L8501
33uH
6
D8501
4
MBRF20100CT
2
1
33uH
1
Q8501
AOTF4126
R8507
10 OHM 1/4W
R8502
51K 1/4W
R8505
10K 1/8W 1%
C8518
1N 50V
R8504
51K 1/4W
R8506
0.05R
R8517
330 OHM +-1% 1/8W
DVT --> EIT NC
D8503
1N4148W_NC
Q8504
Q8503
2N7002
PMBT3906
2
3
VCC1
R8522
C8513
15K 1% 1/8W
2.2uF 25V_NC
R8526
51K 1/8W 1%
Q8506
PMBT3904
back to
2014-Jul-18
div.table
FB9905
VLED+
BEAD
2
FB9906
BEAD
C8505
2
+
+
1uF
C8503
C8504
330UF 50V
330UF 50V
C8506
1uF
HS8501
HEAT SINK
1
2
3
4
R8510
10K 1/8W 1%
Q8502
AO4486
R8530
R8529
R8511
0.82R 1%
0.91R 1%
0.91R 1%
R8521
10K OHM
Q8505
PMBT3904
R8523
10K 1/8W 1%
C8514
10N 50V
C8515
R8525
100pF 50V
330K 1% 1/8W
LED Drive
A02
1
CN8501
2
CONN
3
4
5
6
FB
R8512
R8513
R8514
0.91R 1%
0.91R 1%
0.91R 1%
R8524
33K 1/8W 1%
DIM
3
2013-10-21
715G6161
19620_503_140110.eps
140110

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