Mains Board - Component View; Mains Board - Circuit Diagram - Philips FW-D5/21 Service Manual

MAINS BOARD - COMPONENT VIEW

Interconnection Board
primary side secondary side
8901 E 5 1911 A 5 9930 B 4 trf10 A 3
8902 D 5 1912 B 5 9931 A 4 trf11 A 3
9920 E 4 1913 C 5 9932 A 4 trf12 A 3
9921 E 4 1914 A 5 9933 A 4 trf13 A 3
9922 E 4 1920 A 4 9934 A 4 trf14 B 3
9923 D 4 1921 A 4 9935 B 4 trf15 B 3
9924 D 4 1922 A 4 9936 B 4 trf16 B 3
9925 D 4 1923 B 5 9937 B 4 trf17 B 3
trf3 E 4 1924 C 4 9938 B 4 trf18 C 3
trf4 E 4 1925 C 4 9939 C 4 trf19 C 3
trf5 E 4 3920 B 4 9940 C 4 trf20 C 3
trf6 D 4 9927 A 5 9941 C 4 trf21 C 3
trf7 D 4 9928 A 5 9942 C 4
trf8 D 4
5 4
Interconnection Board Mains Board Copperside view
Transformer secondary
trf10
9931
9927
1 1
9932
A
9933
1921
5
5
9934
9935
1922
9936
3920 9930
1
B
9937
9938
4
9939
9940
1
9941
C
3
9942
trf21
trf8
9925
4
D
9924
trf7
9923
trf6
9922
1
1901
trf5
9921
2
trf4
E
9920
1
trf3
This assembly drawing shows a summary
of all possible versions.
Interconnection Board For components used in a specific version
see schematic diagram respectively partslist.
Transformer primary
5 4
11-3
Mains Board
27 B 1
2905 A 1 5905 C 1 7901 A 1
1901 E 3
2906 B 1 6900 B 1 7902 B 1
1902 E 2
3901 B 1 6901 A 3 8904 D 1
1903 C 2 3902 A 2 6902 A 2 8905 C 1
1904 B 2 3903 A 2 6903 A 3 9900 B 1
1905 C 3 3904 B 1 6904 A 2 9901 D 3
1906 C 1 3905 A 1 6905 A 2 9902 D 3
1907 E 1
3906 A 1 6906 A 2 9903 C 3
1909 D 1
3907 E 3 6908 B 1 9904 D 2
1910 C 1
3908 C 2 6909 B 1 9905 C 1
2902 A 3
5901 D 3 6910 B 1 9906 E 1
2903 A 2 5902 D 3 6911 B 1 9907 B 3
2904 A 2 5903 B 2 6912 B 1 9908 A 2
3 2 1
2902 2903
7901
6901
6902
6903
6904
2904
2905
9908
9909 7902
9907
5903
1904
9929
A m 0 0 2 - T
3901
5905
1 2 3 4
9919 9926
3908
1906
A 5 - T C E I
1905
A m 0 0 2 - T C E I
9905
9 5
9916
9917
5902
9904
9915
4 1 7 3 4 3 3 0 0 3 3 1
3907
1 5 3 - - 0 9 9
4 5 6
A 5 - T C E I
1 2 3
1902
1907
Transistor pinning
C
B
E
Power5VA MainsBoard Layout stage .4 1999 06 14
3 2 1

MAINS BOARD - CIRCUIT DIAGRAM

1913 H13 1923 C12
27 J13 1907 C 6 2904 N 7
9909 A 2
1924 H12
1901 A 1 1909 A 7 1914 A13 2905 N 6
9910 B 1
1903 L4 1910 D 7 1920 A12 1925 I12 2906 N 7
9911 A 1
1905 A 3 1911 A13 1921 A12 2902 L 6 3901 N 3
9912 A 1
1906 C 6 1912 E13 1922 B12 2903 M 7 3902 K 5
9913 A 2
9914 A 2
9915 D 2
9916 D 2
1 2 3
9917 D 1
9918 C 3
9919 C 3
9926 C 2
A
9929 B 2 9901 9903
1901
5902
trf-ee25
1905
2
T6.3A UL
T5A IEC
1
B
LC121503-PCT
5901
9902
C
D
A
3905
E
F
4
B
G
1
H
C
I
1
2
J
1
D
K
L
4
M
9906
E
N
............. Vdc measured during AMPLIFIER ON
V EVM
V Vdc measured during AMPLIFIER OFF (mute)
O
Voltages measured at nominal mains voltage and low output signal
Note : Some values may varies, see respective parts list for correct value.
1 2 3
11-3
3903 K 6 3908 L 4 5905 A 4 8901 D 8
6904 M 6 6910 N 9 9903 A 3 9911 F 1
3920 F12
3904 M 7 6900 K 9 6905 L 5 6911 K10 8902 A 8 9904 B 4 9912 G 1
5901 B 2
3905 M 8 6901 L 6 6906 L 5 6912 K11 9900 N 8 9905 C 6 9913 G 1
3906 N 5 5902 A 2 6902 M 6 6908 N 8 7901 L 8 9901 A 2 9906 B 6 9914 G 1
3907 B 1 5903 L 4 6903 L 7 6909 L 9 7902 M 8 9902 B 2 9910 K 9 9915 B 6
4 5 6 7 8 9
1909 8902
9925
7 ( 4 ) 4
5905
6 230V 9924
5 ( 3 ) 3
5
4
120V
9915 9923
3 ( 2 ) 2
230V
3 9906
2
1907 9922
1 ( 1 ) 1
1
T-5A
120V
9916 9917 9921
3 ( 2 ) 2
9905
1906 1 9920
1 ( 1 )
T-5A
1910 8901
Voltage Selector for /21 only
9910
1903 for /21only
6900
T200mA
1N4003
5903
3908 not /21
6
470Ω
5
120Ω for/37 6901 6903
1N4003 1N4003
5,5V
7 7901
4 12,7V 12,7V
10V
BC327-25 6909
25,3V 3V 12V
8
BYV10-40
3
6902 6904
9
5,5V 1N4003 1N4003 25V 12V
2
10V
15k for
10
/00,/17
1 25V 6,5V
7,2V
8,3V
7902
BC547B
12,6V
6910 12V
1N4003
ELECTRONIC VOLTAGE SELECTOR
FOR STAND BY CIRCUIT
MAINS VOLTAGE
230V 120V
FOR /21 ONLY
4 5 6 7 8 9
9916 C 4 9922 C 9 9928 C13 trf13 B11 trf18 G11 trf4 C10
9917 C 5 9923 B 9 9930 E12 trf14 C11 trf19 H11 trf5 B10
9918 C 3 9924 A 9 trf10 A11 trf15 F12 trf20 I11 trf6 B10
9920 C 9 9925 A 9 trf11 A11 trf16 F11 trf21 I11 trf7 A10
9921 C 9 9927 A13 trf12 B11 trf17 G12 trf3 C10 trf8 A10
10 11 12 13
PRIMARY TRAFO
A
1911 1914
trf8 trf10
1920
1 1
T-5A
10V
trf7 trf11
1921 2 2
T-5A
110V
trf6 trf12
3 3
B
trf5 trf13
1922
4 4
T-5A
trf14
1923 5 5
trf4
120V
T-5A
C
trf3
D
E
9930
1912
trf15 3920
1
1R
F
trf16
2
trf17
3
G
trf18
4
1913
H
trf19
1924
1
T-2,5A
trf20
1925 2
T-2,5A
I
trf21
3
J
27
6911 6912
REL
1
1N4148 1N4148
K
MFD
2
+V
3
GND
4
L
M
N
O
10 11 12 13
PCS 103 860