NAD C446 - Page 20

POWER BOARD
C912
104
C915
104
+12V
-12V
D908
MURS120
D907
MURS120
C919
330UF/50V
C920
330UF/50V
IN
1
2
OUT
3
GND
U904 NJM78M12FA
IN
2
1
OUT
3
GND
U908 NJM79M12FA
C922
330UF/25V
C921
330UF/25V
C913
104
C914
104
1
1
2
2
3
3
4
4
K901
HF36F/012-HST(555)
D905
M7A
PGND1
+12VP
U903
PC817
C909
100nF
D902
UF4006
C905
104
C907
1000uF/10V
BP
2
S
5
S
6
D
4
UV
1
S
7
S
8
U902
TNY274PN
R907
100R
R906
1k
C904
10uF/400V
PGND1
PGND1
PGND1
C908
1000uF/10V
+5V
D904
1N5822
C906
47UF/50V
D903
MUR120
R904
22K
L901
10uH, 2.6A
D901
P6KE200A
C911
104
C910
104
2 3
1
IC901
TL431
R910
5.1K
R908
10k
R909
5.1K
1
8
6
2
5
4
T901
EE16
U901
PC817
C902
104
STB
C903
100uF/25V
+12VP
C901
104
+5V
R901
47K
R902
4.7K
R903
470R
Q901
2SB647-D
PGND1
PGND1
CY901
1nF
L902
10mH
CX902
330nF/250VAC
TH901
5D-11
2
1
3
4
D906
KBP208
ZV901
TUR10D471
R911
330k
C926
2200uF/16V
1
2
3
J901
CON3
R918
330k
R917
330k
L903
10mH
CX901
100nF/250VAC
C928
101
R924
62R
C918
68uF/400V
CY902
1nF/1KV
CY904
1nF/1KV
C917
10nF/1kV
R914
47k/2W
R922
6.8R
C924
100nF
R925
200R
R928
5.1K 1%
R930
47k 1%
C929
104
R927
10k
2 3
1
IC902
TL431
D909
UF4006
D910
MURS120
R926
1k
R913
750K
R919
6.8k
C
1
L
2
X
3
S
4
F
5
D
7
U905
TOP244Y
C925
4.7uF/50V
C923
47uF
U906 PC817
R920
750K
R921
680K
R929
2.4k 1%
L904
22uH
C927
2200uF/16V
CY903
1nF/1KV
1
9
3
5
4
8
6
2
10
7
T902
EEL25
0 1
S901
0 1
S902
1
2
3
4
5
6
7
8
9
10
J902
CON10
+12V
AGND
STB
+5V
GND
+8V
-12V
GND
TH902
5D-11
+8V
0 1
S903
2
1
3
4
BR902
0.8A600V
AC1
AC2
AC1
AC2
D911
MUR1020CTPbF
+8V
GND
R905
100R
R912
100R
C916
104
C930
104
C931
220pF
FUSE901
T1.25A250VAC
Page 20