Philips FW-R7/17 - Page 16

Generation of +C
Full wave rectifying with 2 diodes of bridge rectifier 6201, using 50% secondary winding of mains transformer (pin 13-15/13-11).
See pictures 2 and 3 below.
9-3
*
100n
2206
2210 100n
2211
100n
2212
100n
2204
3300u
2213
3300u
2205
4700u
2202
4700u
2200
4700u
2214
2200u
6204
1N5392
6205
1N5392
6202
1N5392
6203
1N5392
+B1
+B2
+C
+A
1203
1205
1204
D5SBA20
6201
1008
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
10,5V
10,5V
6,5V
6,5V
4,5V
38V
25V
25V
36V
18V
pos. halfwave
neg. halfwave
Signal path
picture 1
Generation +B2 supply voltage
*
100n
2206
2210 100n
2211
100n
2212
100n
2204
3300u
2213
3300u
2202
4700u
2214
2200u
6204
1N5392
6205
1N5392
6202
1N5392
6203
1N5392
+B1
+B2
+A
1203
1204
D5SBA20
6201
1008
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
2205
4700u
2200
4700u
+C
1205
10,5V
10,5V
6,5V
6,5V
4,5V
38V
18V
25V
25V
36V
pos. halfwave
neg. halfwave
Signal path
picture 2
Simplified
17V
2205
4700u
2200
4700u
+C
1205
15
11
13
18V
6201
D5SBA20
6201
17V
picture 3