NAD M22, Service Manual, Page: 24 / 55

6.SMPS STB VM1.0
24
A
C
90
V
/2
30
v±
10
%
M
A
I
N
I
N
XM301
HOLE
Z
V
30
1
14
D
47
1K
CX301
1UF/275VAC
CX303
100nF/275VAC
1
2
4
3
L303
8mH/9A
1
P302
AC-N
1
P301
AC-L
R302
180k
R304
180k
CX302
470nF/275VAC
CY302
1nF/AC250V
CY303
1nF/AC250V
1
2
4
3
L302
4mH/9A
TH301
SCK10054 5R/4A
DSGND
5VDS
D302
BYG20J 600V/1
.
5A
C301
400V/10UF
R301
10R
C302
10uF/50V
R305
22K
C307
100nF/50V
D305
SS36 60V/3A
C303
1000uF/10V
L301
Comment: 10UH
C304
1000uF/10V
CY301
1nF/AC250V
C306
100nF/50V
C305
100nF/50V
OP301 PC817
BP
2
S
5
S
6
D
4
UV
1
S
7
S
8
IC301 TNY274
R306
100R
C308
100nF/50V
2
3
1
IC302
TL431
R309
2.2K 1%
R308
10k
R307
1k
R310
2.2K 1%
D303
TVS SMAJ200A
120--
240
V
A
C
:
T
1
.
25
A
L/
250
V
F301
FUSE1
D304
BAS321
2
1
3
4
D301
B6S
1
2
3
J302
CON3
STB
5VDS
DSGND
R
30
3
33
0K
N
C
C311
100PF/1KV
5
1
4
9
3
10
T301
EE16E
N
C
1
D
1
2
N
C
4
D
1
3
N
C
8
D
2
7
D
2
6
N
C
5
IC
30
3
C
A
P
01
7D
G
DW301
18V/3W SMA
GNDP
D306
1N4148
1 2 3
J303
TO-PSU1
STB
L N
R311
220R
C309
100P
B
C
E
Q301
Comment: 2SC2878
DSGND
5VDS
1
2
3
4
K301
JQX-105F DC5V
R312
4.7K 1%
L304
Comment: 550UH