Circuit Diagram ( Main Unit ) - Power Board - Philips FWD876 Service Manual

CIRCUIT DIAGRAM ( MAIN UNIT ) - POWER BOARD

BD901 A1 C909 A2 C917 C1 C929 A2 C955 A3 C963
C900 A3 C910 A2 C920 C2 C930 A2 C956 A3 C964
C903 C1 C911 A2 C922 D1 C931 A3 C957 A4 C965
C904 B1 C912 A2 C923 D2 C933 A3 C958 A4 C966
C905 B1 C913 B2 C924 D1 C951 A3 C959 A4 C967
C906 B1 C914 A2 C926 D2 C952 B3 C960 A4 C968
C907 A1 C915 C2 C927 D2 C953 A3 C961 B4 C971
C908 A1 C916 C2 C928 D2 C954 A3 C962 B4 C972
1
R04 IS 1/4W R04-1-F IS 1/4W 1 OHMRES FUSE
CN903 R06 IS 1/6W R06-10KM IS 1/6W 10KOHM 1%
1
2
TVR902
!
A
BD901
BD-KBU808
3 2
!
!
TVR10241KS
L902
!
B
102P-400V 102P-400V
C905 C906
!
!
!
C904
C224P-275V
L-22MH
L901
!
C
!
C903
! C474P-275V
!
R04-910K
R902
!
R04-910K
R901
R920
!
TVR901
R04-1K
F901
D
!
ECO POWER <0.6W
CN903 OPEN IS 230V
CN903 SHORT IS 110V
CN2P-396-2
CN901
1
7-2
B5 C973 C3 C981 C3 C989 C4 D901 A2 D953 B3 D963
B4 C974 C3 C982 C3 C990 C4 D902 B2 D954 B3 D964
C4 C975 C3 C983 C3 C991 C4 D903 C2 D955 A4 F901
C4 C976 C3 C984 C3 CN901 D1 D904 C2 D956 B5 IC901
B5 C977 C3 C985 D3 CN903 A1 D905 C2 D957 B3 IC902
B5 C978 C3 C986 D3 CN951 A5 D907 C1 D958 B3 IC903
C2 C979 C3 C987 D4 CN952 D4 D951 A3 D961 C3 IC951
C3 C980 C3 C988 D4 CN953 C5 D952 A3 D962 C3 IC952
2
C929 103P-1KV
SCREW-A P907
P904
SCREW-A P905
P951
SCREW-A
P906
!
SCREW-A C930
103P-1KV
P952
103P-1KV
!
!
T901
C911
3
4
C155P-250V
Q901
G
2
!
103P-1KV
7
!
6
5
Q902
G
4
T902
!
5
1
2
T-TR16-A
!
T903
R914 1
10 A
R04-1M
C916
2
12
100pF 1KV
D905
PR1507
3
D907
13
220P-1KV
D961
1N4007 7
2A 600V
C920
5
!
11
HER104
6
D904
Q903
R922
10 G 8
220P-1KV
1N4148 14
D963
220P-1KV C981
R924
9
R20-1
HER104
D964
TR-25-C
220P-1KV
! !
C923
R934 IC902
1 4
FB
IC901
3843 27
CC104P
8 C927 3
VREF
4K7 R933
817C
7K5
R929 2SC945 R931 1K 4
B
C926
R932 4K7
3
CC470P
817C
IC903
2
C3 IC953 D3 L956 C3 Q953 D4 Q962 B5 R910 B2 R920
C2 L901 C1 NTC901 C1 Q954 D3 R901 C1 R911 A2 R921
D1 L902 B1 Q901 A2 Q955 C5 R902 C1 R912 B2 R922
D2 L951 A3 Q902 B2 Q956 C4 R905 A2 R913 A2 R923
D3 L952 B3 Q903 C2 Q957 A5 R906 A2 R914 C1 R924
D3 L953 C3 Q906 D2 Q958 A4 R907 A2 R916 C1 R929
C5 L954 C3 Q951 B3 Q959 C4 R908 B2 R918 C2 R931
B4 L955 D4 Q952 B3 Q961 B5 R909 A2 R919 C2 R932
3
102P-400V
470P-1KV
C931
C953 1 2 1000U 35V C104P-100V
1620CT
1
C933
2 4 3
102P-400V
10 3
60uH
L951
D951
C954 470P-1KV 1000U 35V C104P-100V
C955 470P-1KV
D952
1
12 2
3
1620CTA
C956
470P-1KV
R962
100
L952 6
D953
3
9
1N4148
5
R961
1 10KM
1N4148
4
T-TR200W-B
1N4148 D954
T-TR19-C
D957
56
R969
!
56
R970
B
6
Q951
2SA952
B
Q952
10
2SA952
D958 1N4148
R998
R06-1K
C989
C990
CC104P
C973 220P-1KV L-0.6A
L953
CC104P
470U 16V
UF3003 +12V6
1000U 10V
L954 R06-6K8
1N5822
D962 C104P
Vref
R992
L-0.6A
C974
C978
C104P-100V
220P-1KV
2SB772P
HER104 C979
1000U 16V
220P-1KV
L956
L-10UH
C984 AC2
CC104P-100V
ZD954
100U 50V
1U
AC1 C985 R944
5V6
4K7
CC104P
R943
Vref C986 L955
M104P
4K7 L-10UH
3 1 R945
1
5K1 STP16NF06
D S
GT951
IC-TL431
IC953
2
YP-141N
YP-141N
R946 30K
GT952
4K7 1K
! R947
1 R938
B/F
1K
4K7
R950 1K
2 C E
R939
Q954
2SC945
3
7-2
D1 R933 D2 R942 D3 R950 D3 R958 A4 R966 A5 R974
C2 R934 D2 R943 D3 R951 A4 R959 A5 R967 B5 R976
C2 R935 B5 R944 D3 R952 A4 R960 A5 R968 B5 R977
C2 R936 B5 R945 D3 R953 A4 R961 B4 R969 B4 R978
C2 R937 A3 R946 D3 R954 A4 R962 B4 R970 B4 R979
D2 R938 D3 R947 D3 R955 A4 R963 B4 R971 B4 R980
D2 R939 D3 R948 D4 R956 A4 R964 B4 R972 B3 R981
D2 R940 C3 R949 D4 R957 A4 R965 B4 R973 B3 R992
4 5
R10-2K2
R10-2K2
R956 C 2SC945 E R959 ZD951
R957
Q958 4K7
22K Q957 3K6
ZD-24V
B
R960
R958
1K
4K7
ZD952 ZD-3V9
D955 1N4148
R966 1K2
R964
10KM 33K 3
+
1
IC951A
2
-
4558D
C963
Vref5V
220U 16V
CC104P
C967
ZD953 12V
IC952
IC-KA7500C
C968
+12V
100U 16V
33K
3K9
R974 Q955
R981 B
R993
1K
2SC945
R997
E C
Q959
R06-1K
B
Q956
ST
CN953
1
+5V
2
ON/OFF
3
GND
4
-27V
5
BK5V
6
ECO
C988
7
GND
8
AC2
100U 16V
9
AC1
CN952
CN9P-20
6
B/F
5
+5V
4
Q953
GND
3 ECO
+12V6
STBY
R948 2
GND
PRON
1
A/F
P953
PAD-D4
P954
PAD-D4
4 5
C4 R993 C4 T901 A3 ZD951 A5
C5 R994 C4 T902 B3 ZD952 A4
C5 R996 C4 T903 C2 ZD953 B5
C5 R997 C4 TVR901 D1 ZD954 C3
C5 R998 C4 TVR902 A1
C4 R9A1 A5 TVR903 A1
C5 R9A2 A5 ZD901 A2
C4 R9A3 B5 ZD902 B2
CN951
1
+27V
2
GND
3
-27V
A
Q961
B
R9A3
1K
2SC945
Q962
B
B
C
+12V
IC951B
4
PIN1 PIN8
D
L H
L L
H L