Power Supply Schematic - Cambridge Audio DVD89 Service Manual

D503
R503
D502
1N4007
39K/2W
1N4007
R502
D501 D504
120K/2W
1N4007 1N4007
C503
101/1KV
TC501
47uF/400V
C504
104
L502 R504
UT-20 40mH
1M
BC502
~275V 104
!
!
R501
4
680K 1/2W
FB
!
BC501
1
~275V 103 GND
U501
5L0380R
L501
UT-20 40mH
!
F501
!
T1.6A/250V
BCN502 !
SW-SPST
BCN501
~220V
Cambridge Audio DVD89 DVD Player
C507
101
D508
HER105
C502
!
103/1KV
T501 16
15
2
D510
D505 14
HER107 3 13
4 12
6 11
D506
HER105
7 10
9 D509
R505
SR360
33ohm
EI28/8
D512
HER105
C505
TC502
101
47uF/50V C513
101
D511
HER105
C514
101
!
C506
U502
223
HS817
BC503
!
~400V 221

Power Supply Schematic

L505
10uH/1A
TC503
TC504
C508
470uF/25V
470uF/25V
104
C509
101
L507 10uH/2A
HER306
TC505 TC506
C510
1000uF/10V 1000uF/10V
104
C511
101
+3.3V
L506
TC509
10uH/2A
1000uF/10V
TC510
1000uF/10V
TC511
100uF/16V
TC512
R507 R508
47uF/50V
10K 4.7K
R506
R510
330 5.1V
4.7K ZD501
C515
104
U503
K
LM431A R509
R
12K
A
CN505
(OPEN) SD+5V 1
(OPEN) DGND 2
(OPEN) DGND 3
(OPEN) +9V 4
XS04
(OPEN) DGND 6
(OPEN) SD+5V 5
(OPEN) DGND 4
SA+5V 3 CN502
DGND 2 XS06
(OPEN) +9V 1
+9V 1 3
IN OUT
+5V
U504
LM7805
VOICE-DET
OK
R511
AGND
330R/1W
-9V +9V
-9V
TC513 DGND
ZD502
100uF/16V +5V
9.1V/1W
DGND
+3.3V
(OPEN) +3.3V 10
R520
CN501
10R 2W
FL+ 1 +5V
FL- 2 -9V
-21V 3 +9V
DGND 4 AGND
+5V 5 OK
DET
XS05
SA+5V
TC508
100uF/16V
1
2
3
4
5 CN503
6 XS10
7
8
9
1
2
3
4 CN504
5 XS06
6