Power Board - Philips 231T1SB/00 Service Manual

38 Meridian 1

6.2 Power Board

715G2783-3-7
1
Power
A
BD901 BD901
GBU408 GBU408
2 3
!
FB902 FB902
BEAD BEAD
C931 C931
0.001uF/250V 0.001uF/250V
FB903 FB903
BEAD BEAD
FG
B
L902 L902
30.0mH 30.0mH
C903 C903
0.47uF 0.47uF
!
!
R900 R900 R902 R902 R901 R901
620K 620K 620K 620K 620K 620K
C
F901 F901
NR901 NR901
FUSE FUSE
!
NTCR NTCR
C901 C901 C902 C902
1000pF 1000pF 1000pF 1000pF
FG
! !
4.0A/250V
2 1
CN901 CN901
SOCKET SOCKET
D
1
2
C906 C906
2200PF2KV 2200PF2KV
+ + C905 C905
150uF M 450V 150uF M 450V
R904 R904
8.2K OHM 1/4W 8.2K OHM 1/4W
FR103 FR103
+ + C908 C908
R905 R905 C919 C919 22uF/50V 22uF/50V
8.2K OHM 1/4W 8.2K OHM 1/4W 100N 50V 100N 50V
ZD901 ZD901
NC NC
IC901 IC901
D909 D909
1 8
RT HV
2 7
COMP NC
3 6
CS VCC
LL4148 LL4148
4 5
GND OUT
LD7575A PS LD7575A PS
R907 R907 R912 R912
10 OHM 1/8W 10 OHM 1/8W 10 OHM 1/8W 10 OHM 1/8W
R941 R941
100K OHM 1% 1/8W 100K OHM 1% 1/8W
R922 R922
200 OHM +-5% 1/8W 200 OHM +-5% 1/8W
C923 C923
C924 C924 D910 D910
10N 50V 10N 50V 220pF 220pF
NC NC
C925 C925 R931 R931
NC NC
NC NC
2
3
R918 R918
100 OHM 1/4W 100 OHM 1/4W C921 C921
R919 R919
100 OHM 1/4W 100 OHM 1/4W
R920 R920 0.001uF 0.001uF
100 OHM 1/4W 100 OHM 1/4W C917 C917
1000uF 25V 1000uF 25V
D906 D906
! FMXA-2202S FMXA-2202S
2
4 8
R908 R908
7
100KOHM +-5% 100KOHM +-5%
12
5 11
D901 D901
10
FR107 FR107
6 9
3
D902 D902 R909 R909
3.3 OHM 1/4W 3.3 OHM 1/4W 2
POWER X'FMR POWER X'FMR
T901 T901
D904 D904
FB901 FB901
SP10100 SP10100
BEAD BEAD
2
!
Q901 Q901 + C914 + C914
STP10NK70ZFP STP10NK70ZFP C929 C929 NC NC
0.001uF 0.001uF
R938 R938
10K 1/8W 10K 1/8W R935 R935
100 OHM 1/4W 100 OHM 1/4W
R903 R903
100 OHM 1/4W 100 OHM 1/4W
R934 R934
100 OHM 1/4W 100 OHM 1/4W
IC903 IC903
PC123X2YFZOF PC123X2YFZOF
R914 R914
0.36OHM2W 0.36OHM2W
R937 R937
NC NC
IC902 IC902
ZD902 ZD902
KIA431A-AT/P KIA431A-AT/P
NC NC
BD901 A1 C914 B3 C924
CN901 D1 C915 A4 C925
CN902 A5 C916 A4 C927
C901 C1 C917 A4 C929
C902 C1 C918 A4 C930
C903 B1 C919 B2 C931
C905 A1 C920 A4 C932
C906 A2 C921 A3 D901
C908 B2 C922 A4 D902
C912 C4 C923 C1 D904
3
4
L904 L904
3.5uH 3.5uH
ZD920 ZD920
R940 R940
RLZ18B RLZ18B
+ + + + C918 C918 150 OHM +-5% 150 OHM +-5%
1000uF 25V 1000uF 25V
C920 C920 + + C922 C922
0.1uF 0.1uF 470uF25V 470uF25V
R943 R943
470 OHM 1/8W 470 OHM 1/8W
Q903 Q903
PMBS3904 PMBS3904 C932 C932
1000pF 1000pF
C915 C915 + +
C916 C916 DIM
0.1uF 0.1uF
470uF/16V 470uF/16V
ON/OFF
+5V
L903 L903
3.5uH 3.5uH
+16V
+ C930 + C930
680uF 10V 680uF 10V
R924 R924
1K OHM 1/8W +-5% 1K OHM 1/8W +-5% R929 R929
43KOHM +-1% 1/8W 43KOHM +-1% 1/8W
R927 R927
3.6K OHM 1% 1/8W 3.6K OHM 1% 1/8W
R925 R925
150R 1/8W 150R 1/8W
C912 C912
68nF 25V 68nF 25V R928 R928
1K 1/8W 1K 1/8W
R930 R930
2.43K OHM 1% 1/8W 2.43K OHM 1% 1/8W
C2 D906 A3 L902 B1 R904 A2 R922
C2 D909 B2 L903 B4 R905 B2 R924
B5 D910 C2 L904 A4 R907 B2 R925
B3 FB901 B3 NR901 C1 R908 A3 R927
B4 FB902 A1 Q901 B3 R909 A3 R928
B1 FB903 B1 Q903 A4 R912 B2 R929
A5 F901 C1 R900 C1 R914 C3 R930
A3 IC901 B2 R901 C1 R918 A3 R931
A2 IC902 C4 R902 C1 R919 A3 R934
B3 IC903 C3 R903 B3 R920 A3 R935
4
5
+16V
A
R936 R936
1K 1/4W 1K 1/4W
+5V
CN902 CN902
1
2
3
4
5
6
7
8
9
10
11
C927 C927
HARNESS HARNESS
0.1uF 0.1uF
B
C
B2 R936 A5
C4 R937 C3
C4 R938 B2
C4 R940 A4
D
C4 R941 B1
C4 R943 A5
C4 T901 A3
C2 ZD901 B1
B3 ZD902 C3
B3 ZD920 A5
5