43
3
2
3
T
O
S
W
B
6
5
8
C
B
r
o
t
s
i
s
n
a
r
T
3
0
-
6
5
8
0
0
-
1
3
8
2
T
,
5
2
T
,
7
T
F
-
7
-
1
0
4
5
T
S
M
M
r
o
t
s
i
s
n
a
r
T
5
0
-
1
0
4
5
0
-
1
3
3
2
T
V
5
6
A
m
0
0
1
,
7
-
S
A
6
5
8
C
B
r
o
t
s
i
s
n
a
r
T
5
0
-
6
5
8
0
0
-
1
3
7
1
T
,
6
1
T
,
4
1
T
3
6
3
T
O
S
S
6
5
8
M
C
B
r
o
t
s
i
s
n
a
r
T
4
0
-
6
5
8
0
0
-
1
3
0
2
T
,
5
1
T
3
2
2
T
O
S
6
5
P
C
B
r
o
t
s
i
s
n
a
r
T
1
0
-
6
5
0
0
0
-
1
3
9
3
T
B
3
4
1
T
O
S
B
1
6
V
C
B
r
o
t
s
i
s
n
a
r
T
0
0
-
1
6
0
0
0
-
1
3
7
3
T
,
0
3
T
B
3
4
1
T
O
S
B
2
6
V
C
B
r
o
t
s
i
s
n
a
r
T
0
0
-
2
6
0
0
0
-
1
3
2
3
T
,
4
2
T
2
2
6
F
B
r
o
t
s
i
s
n
a
r
T
1
0
-
2
2
6
0
0
-
1
3
5
T
G
1
T
1
W
D
6
0
9
3
T
B
M
r
o
t
s
i
s
n
a
r
T
2
0
-
6
0
9
3
0
-
1
3
9
T
,
3
T
3
2
-
T
O
S
,
G
1
T
L
1
0
4
5
T
B
M
M
r
o
t
s
i
s
n
a
r
T
1
0
-
1
0
4
5
0
-
1
3
3
3
T
,
2
1
T
3
2
-
T
O
S
,
G
1
T
L
1
5
5
5
T
B
M
M
r
o
t
s
i
s
n
a
r
T
1
0
-
1
5
5
5
0
-
1
3
5
3
T
2
3
-
T
O
S
9
3
1
D
B
r
o
t
s
i
s
n
a
r
T
1
0
-
9
3
1
0
0
-
1
3
0
4
T
F
0
2
2
O
T
,
0
2
N
2
5
P
D
F
T
E
F
S
O
M
0
0
-
0
2
2
5
0
-
1
3
8
T
,
2
T
IC
8
C
I
O
S
R
D
2
3
5
5
E
N
p
m
a
3
0
-
2
3
5
5
0
-
3
0
1
U
O
S
/I
-
0
9
6
F
6
1
C
I
P
U
C
M
2
1
-
0
9
6
6
1
-
3
0
2
U
O
S
/I
-
0
9
6
F
6
1
C
I
P
U
C
M
1
0
-
0
9
6
6
1
-
3
0
2
U
RESISTORS
1
9
-
0
0
2
8
9
-
7
0
6
8
R
,
9
4
R
Professional MELF
Resistors
820
Ω
, ±1%, MMU01020C8200FB300
R57, R58, R74, R75
07-91201-91
Professional MELF
Resistors
1.2K
Ω
, ±1%, MMU01020C1201FB300
R60, R63, R72, R77
07-91501-91
Professional MELF
Resistors
1.5K
Ω
, ±1%, MMU01020C1501FB300
1
9
-
1
0
7
2
9
-
7
0
0
8
R
,
6
5
R
Professional MELF
Resistors
2.7K
Ω
,0102,±
1%,MMU01020C2701FB300
1
9
-
1
0
0
3
9
-
7
0
5
8
R
,
0
5
R
Professional MELF
Resistors
3K
Ω
,0102,±
1%,MMU01020C3001FB300
1
9
-
2
0
0
1
9
-
7
0
4
8
R
,
2
5
R
Professional MELF
Resistors
10K
Ω
, ±1%, MMU01020C1002FB300
R2, R3, R4, R5, R6, R7, R19, R20,
R21, R26, R27, R28, R41, R43,
R44, R45, R46, R47, R144
07-91008-00
Chip Resistor
1
Ω
,0603,1/10W,±1%,RC0603FR-
071RL
R13, R24, R33
07-92208-00
Chip Resistor
2.2
Ω
,0603,1/10W,±1%,RC0603FR-
072R2L
r
o
t
s
i
s
e
R
p
i
h
C
0
0
-
8
0
7
4
9
-
7
0
3
2
R
,
1
R
4.7
Ω
,0603,1/10W,±1%,RC0603FR-
074R7L
r
o
t
s
i
s
e
R
p
i
h
C
0
0
-
9
0
7
4
9
-
7
0
3
9
R
47
Ω
,0603,1/10W,±1%,RC0603FR-
0747RLT
R94, R112, R135
07-98209-00
Chip Resistor
82
Ω
,0603,1/10W,±1%,RC0603FR-
0782RL
0
0
-
0
0
0
1
9
-
7
0
9
9
R
贴片电阻
100
Ω
,0603,1/10W,±1%,RC0603FR-
07100RL
0
2
1
r
o
t
s
i
s
e
R
p
i
h
C
0
0
-
0
0
2
1
9
-
7
0
0
9
R
Ω
,0603,1/10W,±1%
R12, R32, R48
07-92200-00
Chip Resistor
220
Ω
,0603,1/10W,±1%,RC0603FR-
07220RL
r
o
t
s
i
s
e
R
p
i
h
C
0
0
-
0
0
7
2
9
-
7
0
2
8
R
,
1
8
R
270
Ω
,0603,1/10W,±1%,RC0603FR-
07270RL
r
o
t
s
i
s
e
R
p
i
h
C
0
0
-
0
0
3
3
9
-
7
0
9
0
1
R
,
6
0
1
R
330
Ω
,0603,1/10W,±1%,RC0603FR-
07330RL
Summary of Contents for M27
Page 1: ...NAD SERVICE MANUAL M27 SEVEN CHANEL M27 SEVEN CHANEL AMPLIFIER AMPLIFIER...
Page 6: ...6...
Page 26: ...1 MCU BOARD 26 PCB LAYOUT TOP Layer Bottom Layer...
Page 27: ...27 2 REGULATED SUPPLY BOARD Top Layer Bottom Layer...
Page 28: ...28 3 AMP BOARD Top Layer Bottom Layer...
Page 29: ...29 4 NC400 OEM BOARD Bottom Layer Top Layer...
Page 31: ...31 8 SMPS BOARD Bottom Layer Top Layer...
Page 32: ...32 9 SMPS STB BOARD 1 2 Bottom Layer Top Layer...
Page 33: ...33 9 SMPS STB BOARD 2 2 Bottom Layer Top Layer...