Philips 22PFS4232/12 Service Manual page 44

8-4-2 LED DRIVER
A
BD9901
NC/KBJ608G-FUC BD9902
GBL408-C
4 4 1 1
NR9901
2.5R
t
!
4 1
3 2
L9903
4mH
! !
A
C9801
+
C9903 C9902 100uF 450V
1000PF 250V 1000PF 250V
!
3 2
R9112 R9102
SG9902 SG9901 510K 1/4W 510K 1/4W
NC NC
4 1
L9901
18MH
R9127
!
3.3M 1/4W
R9128
! ! 3.3M 1/4W
R9903
R9905 620K +-1% 1/4W R9901
620K +-1% 1/4W 620K +-1% 1/4W R9142
3.3M 1/4W
R9904
R9906 620K +-1% 1/4W R9902
620K +-1% 1/4W 620K +-1% 1/4W
! ! !
!
R9114 C9125
110K 1NF
C9901
470nF 275V
NC
R9909 R9907
C9124
CN9902 1NF
2 NC/CONN
N
1 JUMPER
L
U9901
1 8
NC NC
2 7
D1 D2
3 6
D1 D2
4 5
FB9301
NC NC
1 2
NC/CAP004DG-TL
+12VS NC/BEAD
C9906
! NC/47pF
RV9901 680V
! ! FB9902
127R
C9907 C9910
100PF 250V 100PF 250V C9331
+
NC/470UF 25V
!
FB9901 ! F9901
127R NC/T4AL 250V
CN9901
AC 2P
2 1
F9902
T4AH/250V
FB9908
BEAD
1 2
R9104 R9106
82K OHM 1% 82K OHM 1%
C9113
2.2NF C9103
2.2NF
R9105 R9107
82K OHM 1% 82K OHM 1%
R9103
510K 1/4W
D9103
FR107G-A0
D9104 R9109
IN4148W 10R 1/8W 5%
R9110 C9126
47R 1% NC/100PF
Q9101
TK6A65D(STA4,X,M)
R9111
U9101 R9146 10K OHM +-5% 1/8W
1 8
0 OHM +-5% 1/8W
BNO VCC
2 7
D9106
FB NC
3 6
CS VCC
4 5
For Q9101
GND OUT
IN4148W
PF6005AS + + HS9101
C9102 C9104 C9105 HEAT SINK
2.2UF 50V 0.1uF 50V 10UF50V
R9113
1K 1/4W
R9101
C9106 0.27R 2W
330PF 50V
ZD9301 NC/BZT52-B5V1
2 1
1 8
L9301
PGND EN
2 7
VIN LX
3 6
AGND COMP
4 5
VCC FB
C9335
U9301 R9345 NC/2N2 50V
NC/AOZ3015AI NC/20K 1%
C9333
C9336 C9334 NC/2N2 50V
NC/220N 50V NC/100N 50V
R9358
C9330 NC/30R 1/4W
NC/1N 50V
D9110
SR510-22
1 2
D9111
SR510-22
1 2
D9112
SR510-22
1 2
D9101
SR510-22
1 2
HOT COLD
R9115
22 OHM 1/4W C9107
! 3.3NF 500V
R9116
22 OHM 1/4W
R9148
T9101 22 OHM 1/4W
POWER X'FMR
5 R9149
22 OHM 1/4W
R9117
3 8
NC
9
R9150
6
NC
4 7
2
D9102
SR515
10
1
D9107
R9108 SR515
4R7 1/4W 5%
D9108
SR515
D9105
PR1007G !
C9904 R9120
1NF 250V 22 OHM 1/4W
R9140
22 OHM 1/4W
R9138
! 22 OHM 1/4W C9108
470pF 1KV
1
2 1 2
R9118
3
NC
4
FB9906 C9908
NC NC R9119
NC
R9139
NC
4 1
!
3 2
U9102
EL817M(X)
FB9302
BEAD
1 2
+5.2V
BZT52-B16G
+
R9361
NC/30R
D9109
SR34H
1
+12VS
Q9306
NC/P1604ED L9101
C9101 R9302 3UH
C9121 NC/470uF 25V C9110 NC/100K 1/8W
470uF 25V C9109 0.1uF 50V C9307 JUMPER
+
470uF 25V C9111
+ +
+ 470UF 25V
NC/1uF
R9304
C9308 NC/100K 1/8W
NC/1uF
Q9305
NC/2N7002K
PS_ON
C9306
NC/100N 50V R9307
NC/270K +-1% 1/8W
NC
DIM
+ +
C9127
1nF 50V
R9121
2K4 1/8W 5%
+12VS
C9129
NC
R9123 R9125
43K 1/8W 1% 620K 1/8W 1%
R9122
9.1K OHM
C9117
220nF50V
R9144
ZD9104
U9103 NC/8.2K 1/8W
TL431G-AE2-R R9126
9.31K +-1% 1/8W
R9141
680R 1/8W 1%
+18V
ZD9101
2
+12V_A BZT52-B22
R9130
1K OHM
+12V
C9112
0.1uF 50V
Q9102
2N3904
R9131
C9119 1K 1/8W
0.1uF 50V
+18V
ON/OFF
CN9101
CONN
1 2
3 4
PS_ON
5 6
7 8
C9128
9 10
1nF 50V
+12V_A
11 12
+12V_A
13 14
15 16
+12V +12V
+5.2V
PS_ON
R9143
NC/100K 1/8W 1%
Q9106
NC/2N7002K
C9140 R9145
NC/1N 50V NC/100K 1/8W 1%