Philips 220B4LPCS/00 - Power Supply Circuit Schematic

23
Meridian 3
Remark: Parts position can be searched by using FIND function in PDF.
OTP
1
COMP
2
CS
3
GND
4
OUT
5
VCC
6
HV
8
IC901
LD7750RGR
C934
1N 50V
C922 1N 50V
L904 3.5uH
R917 220oHM
3 2 5 6
7 8 9 10 11 12
4
T901
430uH
R932
100KOHM +-5% 1/8W
1 2 3 4 5 6 7 8 9
10
NC/CN902 CONN
D902 FR107
C911
0.1uF 50V
D904 1N4148
R910
3.3 OHM 1/4W
C914 NC
C906
1500PF2KV
C924
100N 50V
R923
22 OHM 1/4W
R905 10K 1/4W
1
2
3
D905
MBRF10100CT
F902 T4AL 250V
F903
T4AL 250V
+
NC/C905A
120uF 450V
IC903
TL431G-A-TA
R924 820 OHM +-5% 1/4W
+
C916 1000UF 10V
R908 10K 1/4W
C933 4.7nF 50V
!
R913
100K
R940 1K 1/8W
R914
100K
R907 100K R906 100K
R927
10KOHM +-1% 1/8W
373G0174290CP0
R919 0.43 OHM +-5% 2WS
+5V
R930 9.53KOHM +-1% 1/8W
+16V
+5V
L903 1.1uH
L905 1.1uH
Q903 KTD1028
12
3
CN901 SOCKET
2
1
3
4
-
+
BD901
KBJ408G
R962 47 OHM 1/4W
Audio_SD
R936 2K 1/8W 1%
C920 47pF
R920
47 OHM 1/4W
1 2
FB902
BEAD
!
+5V1
R939 1K 1/8W
!
F901 T4AL 250V
C931 100N 50V
HV
C903 470NF
+
C915 470UF 16V
5V/2.5A
16V/2.35A
C932
1N 50V
R943
470OHM +-5% 1/8W
1
2
3
D907
NC/SFF1004G
C907 1NF 2KV
R941 NC
1 2
HS2 HEAT SINK(D905)
1 2
HS3 HEAT SINK(D906)
ZD902 GDZJ24B
+
C913
47uF
C901 1NF 250V
1 2
GND2 GND
C902 1NF 250V
C912
2N2 500V
C921 330PF
C900 2.2NF 250V
R947 470R
R946 470R
S80GL32P6V
C930 100N 50V
NC/R933
20KOHM +-1% 1/8W
C910
2N2 500V
C929
2N2 500V
C935
2N2 500V
1 2
HS1 HEAT SINK
R902
680K 1/4W
12
43
IC902 PS2561DL1-1
DIM
+16V
1 2
GND1 GND
!
ON/OFF
1
2
3
D906
SFF1004G
R935 47 OHM 1/4W R961 47 OHM 1/4W
12
FB903 BEAD
+
C917
470UF 35V
+
NC/C905
82uF 450V
VOL
R918
47 OHM 1/4W
+
C918 470UF 35V
R916
47 OHM 1/4W
R903
680K 1/4W
12
t
NR901 NTCR
L
1
N
2
CN905
NC/CONN
1 2 3 4 5 6 7 8 9
10 11 12 13 14
CN903 CONN
C905
MUTE
1 2
FB901 BEAD
R919 0.43
231B
R926 2K 1/8W 1%
R925 2.2K OHM 1%
0.39 231P
C919
1NF
150u120u
1 2
4 3
NC/L901 30MH
1 2
4 3
L902
30MH
R901 680K 1/4W
R912 10K 1/4W
R911
22 OHM 1/4W
Q901 SMK0870F
!
D903
FR107
Power