Power Supply Unit - Onkyo DV-SP301 Service Manual

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SCHEMATIC DIAGRAM

POWER SUPPLY UNIT

F1
TH1
LF1
AC250V2A
10D7
SW1
C1
104P
VR1
10D471
CN1
1
2
U1
2 Drain
KASM0365RB-YD1U
GND 1
C8
223
50V
CATION
(The shapes shaded on marked with
whitch have special characterics impotant for safety.)
EER2828
D1-D4
1N4007 x 4
C3
222P
C2
C4
104P
R2
C7
56K
222P
1W
222P
1KV
C6
47uF
R1
400V
200K
C6
1/2W
222P
D5
HER107
R4
200K
1/2W
D6
1N4937
R5
Vcc
3
5.6
4
FB
C9
4
22F
50V
3
PC1
LTV817
ZD1
9.1V
designate components
C27
222P
250V
C28
222P
250V
T1
D7
R6
9
3.0
HER105
C10
R7
100uF
1K
16V
7
R8
120
ZD2
R9
D8
3.3V
6
20/1/8W
1N4937
C11
R10
9
1uF
12K
50
4
11, 12
14
C12
R12
D9
100uF
1K
1N4937
25V
R11
2.2
D10
L1
SF24
15uH
C13
R13
1
10
102P
C15
1/2W
1KV
100uF
C14
15
25V
22uF
25V
2
10
C17
R16
102P 1KV
10/1/2W
L2
15uH
D12
SF24
R17
100
C18 C19
1W
10
470uFx2
10V
13
L3
D15
5.5uH
SR204
R23
R22
R21
10K (F)
C22
120
PC1
10
LTV817
102P
1/2W
1KV
13
C24
C23
470uF
1000uF
10V
10V
C25
11, 12
U3
1uF/50V
431
U2
KA8709
VI
VO
GND
C16
100uF
16V
D13
1N5819
R18
R20
1.2K
U4
12K
1/8W
KIA7042AP
1/8W
VO
VI
GND
R19
10K
C21
1/8W
10uF
50V
R24
2.2
R26
1.5K
R27
R29
150
R25
390
10
R28
820
(F)
DV-SP301
CN3
GND
1
FL5V+
2
-27V
3
FL5V-
4
5.5VS
5
2mm
CN2
+9VA
1
AGND
2
-9VA
3
P-RWS
4
+3V5D
5
DGND
6
NC
7
+5VD
8
MGND
9
+9VM
10
2.5mm

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