0
1
S901
0
1
S902
0
1
S903
8V D
C912
4.7nF/1kV
R914
68k/2W
R933
6.8R
C921
100nF
R927
270R
R928
3.3K 1%
R934
2.7k 1%
C915
100N
R926
1.2k
CY 901
1nF Y 1
U 905
TL431
2
1
3
4
BD 901
K BP208
C907
100N
D G N D
C905
100N
D G N D
C914
1nF
R925
82R
R911
3.3M
R932
6.8k
C916
1000uF/25V
C911
6
8
u
F
/4
0
0
V
2
2
*
2
5
C917
1000uF/25V
C913
10uF/50V
C920
47uF/16V
1
2
3
D 905
M U R1620
L901
5uH
D G N D
U 903
PC 817
R913
3.3M
R912
3.3M
V i
1
V o
2
g
3
V
d
4
U 904
K A 78R05
C919
100pF/1K V
R935
2.87k 1%
R902
10K
C918
1000uF/25V
C906
100N
R907
5.1k
C910
330U F/25V
C908
100N
R919
1k
R923
1k
R936
220R
5V D
D G N D
R903
10K
C922
100P
5V D
Q 904
IRF5210
C 902
330uF/25V
R918
1K
R920
1K
R921
1K
R922
1K
C
3
S
5
X
2
V
1
D
7
F
4
U 902
T
O
P
2
6
5
E
G
R909
5.1M
R908
5.1M
R910
5.1M
R915
180K
L903
10mH
CX 902
220nF/250V A C
TH 901
5D -11
ZV 901
TU R10D 471
R929
750k
1
2
3
J901
CO N 3
R931
750k
R930
750k
L902
10mH
CX 901
100nF/250V A C
CY 902
1nF/1K V
CY 903
1nF/1K V
F901
T2A L250V A C
STB
R905
1k
R916
4.7R/1W
V i
1
V o
2
g
3
V
d
4
U 901
K A 78R12
C903
100N
R924
C909
330U F/25V
C904
100N
12V D
D G N D
C 901
1000uF/25V
D 906
18V 3W
R904
10k
R906
5.1k
R901
D 901
M U RS120
D 904
1N 4148
D 903
FR107
Q 903
Comme nt: 2SC3326
Q 902
2SC3326
Q 901
Q 905
D TA 114EK A
D G N D
D G N D
3
1
13
14
8
9
10
11
5
7
T901
EEL25
1
2
3
4
5
6
7
8
9
J902
CO N 10
12VD
D G N D
STB
5VD
D G N D
8V D
D G N D
8V D
D G N D
R937
5.1k
CY 904
1nF Y 1
D G N D
3.SMPS BOARD VM2.0
10
Summary of Contents for C 427
Page 1: ...NAD Digital Media Tuner Digital Media Tuner SERVICE MANUAL C427 C427 ...
Page 10: ...1 MAIN BOARD VM2 0 Top Layer Bottom Layer PCB LAYOUT 11 ...
Page 11: ...2 FPP BOARD VM2 0 12 ...
Page 12: ...2 FPP BOARD VM2 0 Bottom Layer 13 ...
Page 13: ...14 Top Layer Bottom Layer 3 FPP ENCODE BOARD VM2 0 ...
Page 14: ...4 SMPS BOARD VM1 0 15 ...