Philips TPM15.5L LA Service Manual page 42

Circuit Diagrams and PWB Layouts
10-2-2 LED DRIVER
LED DRIVER
A02
+22V
+
D8605
NC/1N4148
ZD8601
NC/BZT52-B22
VCC
ZD8602
NC/BZT52-B22
OUT
VLED-
U8601
PF7708AS
1
LED FB
2
VCC GM
3
CS/OVP DIM
4
OUT GND
+
C8608
220N 50V
TPM15.5L LA 10.
L8602
NC
6
4
L8601
33uH
OUT
C8601
220uF 50V
R8612
33K 1/8W 1%
D8603
SS1060FL
R8606
33K 1/8W 1%
R8602
NC/0R05 1/4W
ON/OFF
8
7
6
DIM
5
R8611
33K 1/8W 1%
C8611
22pF 50V
C8612
47N 50V
R8618
R8613 R8614 R8615 R8616 R8617
1R2 1% 1R2 1% 1R2 1% 1R2 1%
1R2 1% 1R2 1%
EN 42
FB8602
NC/BEAD
D8602
NC/SR506
1
FB8601
BEAD
D8601
SR506
1
R8605
10ohm +/-1% 1/8W Q8601
R8619
CYS9240
10 OHM
R8607
5.1R 1/8W
C8613
100pF 50V
+12V
R8608
10K 1/8W
R8610
4K3 1/8W 1%
R8601
0.05R
ON/OFF
CN8601
CONN
12
VLED+
11
10
VLED-
9
VLED-
8
7
6
5
4
VLED-
3
VLED-
2
1
VLED+
back to
2015-Aug-08
div.table
2
2
+ +
C8605 R8603 R8604
100N 50V C8603 C8604 100K NC
220uF 50V
220uF 50V
D8604
SS1060FL
Q8602
LMBT3906LT1G
R8620 C8616
C8615
2K2 1/8W 2.2UF 25V
100N 50V
R8621
1K 1/8W 1%
R8622
10K 1/8W 1%
Q8603
LMBT3904LT1G
C8617
R8623
100N 50V
300K 1/8W 5%
LED DRIVER
A02
VLED+
C8606 C8607
1uF
1uF
VCC
4 2014-06-05
715G6934
19760_504.eps