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F54
COPYRIGHT C 2004 NAD ELECTRONICS
NAD C720BEE POWER BOARD Vm5.0
PCB-2: POWER BOARD FOR Vm5.0
(-
3
7
V
)
(GND
)
CB58
Q58
R5
6
8
D53
J5
1
4
D52
R5
6
4
R5
5
9
R5
6
5
R5
6
0
C55
R566
J51
Q518
R567
Q520
Q519
T
6.
3A
L/
250V
R
544
C518
Y
E
LLO
CB51
CB52
YELLO
R
ED
R
ED
BL
AC
K
T500MAL/250V
D501
C533
C53
D54
F55
T6.3AL/250V
T6.3AL/250V
U-
T
6
.3A
L/
250V
C52
F53
R
563
R
558
D532 D55
J5
5
Q
517
R5
6
1
J5
4
F51
F52
J5
7
J58
D531 D51
BLUE
C51
BL
U
E
C536
R562
(+5V)
R532
R531
IC
5
1
C54
J52
R534
J5
9
Q5
9
R
533
Q
510
CB54
CB53
J5
1
1
J5
1
2
U+
GND
GND
GND
J5
1
0
-30V
I-V
ACDET
-37V
+5V
+37V
TRIG
J5
6
(GN
D)
C517
D56
C56
C535
To
The
AC
Ou
tlet
CB55
To
Th
e
AC
co
rd
D5
1
3
J515
J5
1
3
VFD 1
VFD 2
C524
C523
J516
To
Th
e
To
Th
e
Tr
ansf
o
rmer
Sw
icth
CB56
CB57
L
N