NAD M55 - Key P.C.board

U801
R819
st
o
p
DEC,01/2005
HS4-M55_B008-VM1.0-FPP
S
8
0
7
Q801
o
p
e
n
/
cl
s
S
8
0
1
R808
R806 R820
R810
R811
S800
power
D800
R800 R805 Q802
GND
right
S
8
1
0
left
p
l
a
y
S
8
0
2
m
e
n
u
d
o
w
n
S8
1
3
enter
S
8
0
3
S812
u
p
S815
W812 W813
STB CLK LED GND DATA -22V
S814
NC VF+ VF-
J801
W803
D803
W804
D804
C803
U802
W801 D802
R812
C804
W810
R807
R815
C808
C807
R809 W811
C806 C805
W809
+5V IR
R816 R817 R818
R813 R814
W808
W805
W806
W807
W802
U800
3-59
3-60
2.KEY P.C.BOARD
TOP VIEW
BOTTOM VIEW