Power Board - Philips 160E1SB/93 Service Manual

6.2 Power Board

715G2852-2
1
POWER
!
2 3
A BD901
KBP208G
!
C904
0.22uF/275V
!
!
C902 C901
1000pF
1000pF
L901
!
B
30mH
!
C908
100K OHM 1% 1/8W
0.22uF/275V
R902
!
!
680K OHM 1/4W
R901
R900
!
680K OHM 1/4W
680K OHM 1/4W
C
!
VAR901
Varistor
N.C
NR901(NC)
NR901
! NTCR
NTCR
t
!
t
!
F901
FUSE
D
2 1
CN901
!
SOCKET
1
87G 501 32 DL
2
+ C907 R904 R905 R908
100uF450V
10K OHM 1/4W NC C906
1500pF2KV
100KOHM +-5% 2WS
C938
NC R932
10K OHM 1/4W R906 FR107
NC
C911 D901
0.1uF FR103 5.1 OHM 1/4W
C903
+
22uF/50V
R907
NC
D903
LL4148
IC901
Q901
1 8
RT HV
R910 2SK2645-54MR
2 7
COMP NC
10R 1/4W
3 6
CS VCC
R938
4 5
GND OUT
ZD905
10K 1/8W
RLZ18B
LD7575A PS
R915
R912
220 OHM 1/4W
R914
C909 0.47 OHM +-5% 2WS
470pF/25V
C928
0.01uF
GND1
GND
1
2
HS2
HEAT SINK(D906_Q90G6263-6)
1
2
HS5
SHIELD(H85G0002-1)
1
2
HS3
HEAT SINK(Q901_Q90G6263-6)
1
2
2
3
R918
100 OHM 1/4W
R919
100 OHM 1/4W
C912
0.001uF
R920
100 OHM 1/4W
!
T901
1 3
D906
4 9 FCH10U10
10
D907 NC
5 7
8
D900
11
R921 NC
6 12
2
R922 NC
1
R923 NC
R909
POWER X'FMR
D905 31DQ06FC3
R961 100 OHM 1/4W
!
R962 100 OHM 1/4W
R935 100 OHM 1/4W
! R925
IC902 1K 1/8W
PC123X2YFZOF
C924
0.1uF R926
1K 1/10W 1%
IC903
AZ431AZ-AE1
C900
3300pF 250V
C925
NC
BD901 A1 CN901 D1 CN902 C5 C900 C3
C903 B2 C904 A1 C906 A2 C907 A1
C910 A4 C911 B2 C912 A3 C915 B5
C921 A4 C922 A4 C924 C3 C925 C3
C930 A5 C931 D5 C932 A5 C938 A2
D900 A2 D901 A2 D903 B2 D905 B3
D915 C4 D916 C4 F901 D1 F902 A5
F905 B5 GND1 C2 HS2 D2 HS3 D2
IC902 C3 IC903 C3 L901 B1 L903 B4
NR901 C1 01(NC) C1 Q901 B2 Q903 A5
R901 C1 R902 C1 R904 A2 R905 A2
R908 A2 R909 A2 R910 B2 R912 B2
R918 A3 R919 A3 R920 A3 R921 A3
R924 B4 R925 C3 R926 C3 R927 B4
R935 B3 R938 B2 R939 A5 R940 B5
R946 A5 R947 A4 R948 A4 R952 B4
T901 A3 VAR901 C1 ZD902 A5 ZD905 B2
3
4
L904
1.0uH
C922
+
470PF50V
+ +
C917 C918
680uF/25V 680uF/25V
L905
NC
ZD923
NC
C921 +
NC R948
C910 C939 NC
+
NC NC
R947
NC
Q904 R952
NC NC
L903
1.0uH
C929 C940
+
0.001uF 1000UF25V
R924
150R 1/8W
ZD922 ZD921
RLZ5.1B RLZ13B
R927
3.6K OHM 1% 1/10W
D916
LL4148 D915
LL4148
R942
1K 1/10W 1%
R930
2.43K OHM 1% 1/10W
VOL
C901 B1 C902 B1
C908 B1 C909 C2
MUTE
C917 A4 C918 A4 +5V
C928 C2 C929 B4 DIM
ON/OFF
C939 A4 C940 B4
D906 A3 D907 A3
F903 B5 F904 B5
HS5 D2 IC901 B2
L904 A4 L905 A4
Q904 B4 R900 C1
R906 A2 R907 B2
R914 B2 R915 B1
R922 A3 R923 B3
R930 C4 R932 A2
R942 C4 R943 A5
R961 B3 R962 B3
ZD921 B4 ZD922 B4
4
23
Meridian 1
5
+12V
ZD902
C930
RLZ13B
R946
150 OHM 2W 0.1uF
R943
Q903 470R 1/8W A
PMBS3904
C932 R939
1K 1/8W
0.001uF
F902
+5V1
NC
F904
NC
F903
B
+5V
NC
F905
+
C915
0 OHM 1/4W
470uF/16V
R940
33K 1/10W
C
CN902
1
2
3
4
5
6
7
C931
8
0.1uF 9
10
D
CONN
5