Power Board - Philips 220E1SB/00 Service Manual

Meridian 1
24

6.2 Power Board

715G2892-1A-4
1
POWER
!
BD901
KBP208G
2 3
A
!
R931
NC
C909
NC/0.22uF/275V
R932
NC
!
L901
3 4
!
2 1
R933
30mH NC
D908
NC/IN4148
680K OHM 1/4W +-5%
B
R901
R900 R902
C927
680K OHM 1/4W +-5%
680K OHM 1/4W +-5% 0.047uF
! R934
NC
C908
0.47uF/275V
NR901
NTCR
!
C902 1000pF C903 1000pF
C
C915
0.01uF
F901
FUSE
!
2 1
CN901
SOCKET
D
1
2
R906
100K OMH 2W +-5%
! C911
!
1500PF2KV
!
D903
!
+ C907 R908 FR107
100uF/450V 10K OHM 1/4W +-5%
D904
FR103
R913
C913 5.1 OHM 1/4W +-5%
+
22uF/50V
D907
IN4148
IC901
1 8
!
RT HV
R917
2 7
COMP NC
10R 1/4W 5%
3 6
Q901
CS VCC
4 5
GND OUT STP10NK70ZFP
LD7576GS
R921 0.1uF C912
R918
(NC)100K OHM 1% 1/8W
10K 1/10W 1%
FB901
BEAD
C914 R923
470pF
220 OHM 1/4W
R924
0.39 OHM 2W +-5%
!
HS1
HEAT SINK(Q901) HS2
HEAT SINK(D901 D906)
1
2 1
2
FB902
GND1
GND
1 2
1
BEAD
2
2
3
R929 100 OHM 1/4W
C916
R930 100 OHM 1/4W 0.001uF
R903 100 OHM 1/4W
D901
FMX-12SL
! 3 1
T901
4 POWER X'FMR
R909 100 OHM 1/4W
C917
R910 100 OHM 1/4W 0.001uF
5 8
7
R912 100 OHM 1/4W
6 9
1 10
D905 NC/31DQ06FC3
12
3 11
D906
1 3
MBRF1060CT
R919
150R 1/8W 5%
R920
1K 1/10W 1%
IC902
PC123X2YFZOF
C924
0.1uF/16V
R928
1K 1/10W 1%
C900
3300pF 250V
IC903
KIA431A-AT/P
CN902
9
MUTE
8
VOL
7
+5V
6
5
4
3
ON/OFF
2
C926 1
DIM
0.1uF/16V
BD901 A1 CN901 C1 CN902 C3 C900 C3
C912 B2 C913 B2 C914 B2 C915 C1
C923 A4 C924 C3 C925 B4 C926 D3
D906 B3 D907 B2 D908 B1 FB901 B2
HS2 D2 IC901 B2 IC902 B3 IC903 C3
Q904 A4 R900 B1 R901 B1 R902 B1
R909 A3 R910 A3 R912 B3 R913 B2
R921 B1 R923 B2 R924 C2 R925 C5
3
4
L905
Coil
ZD901
1000uF 25V
Q904 TZX18B
C918
KTD1028
R905
0R05 1/10W 5%
R904
75OHM +-5% 2WS
R907
C923 1K 1/10W 1%
0.001uF
L906
Coil +5Vi
C920
+
+
+ C922
C925 470UF M 16V
680uF 10V
NC
R916
10K 1/10W 1%
R935
NC
F903
L907 FUSE(NC)
Coil (NC)
+ C921 + C931
NC/1000uF25V NC
C902 C1 C903 C1 C907 A1 C908 B1 C909
C916 A4 C917 A4 C918 A4 C920 B4 C921
C927 B1 C931 D4 D901 A3 D903 A2 D904
FB902 D2 F901 C1 F902 A5 F903 C5 GND1
L901 B1 L905 A4 L906 A4 L907 C4 NR901
R903 A3 R904 A4 R905 A5 R906 A2 R907
R914 B5 R916 C5 R917 B2 R918 B2 R919
R928 C3 R929 A3 R930 A3 R931 A1 R932
4
5
+16V
A
F902
FUSE +5V
B
R914
NC/43.2K OHM 1% 1/4W
C
R925
9K1 1/10W 1%
+5V1
D
A1 C911 A2
D4 C922 B4
B2 D905 B3
D2 HS1 C1
B1 Q901 B2
A5 R908 A2
B3 R920 B3
A1 R933 B1
5