NAD C 427, Service Manual

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C427 WIRING DIAGRAM
FM/AM Tuner
1
Main Board
2
FPP Board
Encorder Board
4
PSU Board
3
R140
R674
C665
R6
71
U6001
M201
K207
C658
U614
C1001
R6
23
C646
R1
34
8
R1
35
2
C
1002
J6
01
R1
00
2
C6
16
C617
C6
88
R6
81
D6
07
C1443
D6
06
C609
R
607
C
608
Q1010
R1347
C1444 R662
R6
22
R6
98
C6
49
R6
06
Q1007
D1
05
4
K603
D6
02
C652 R652
R654
Q602
R1355
Q1008
Q1011
R1345
C694
R6
75
C
666
C689
Y601
R682
C
667
R
673
C
660
R649
C692
R690
C6
97
R648
R691
R6
96
R6
97
C693 R6
95
C6
45
R6
92
Q601
C6
98
C6
44
C6
96
D601 K601
C669
C647 R683
R685
R6
78
U617
R659
C681
J608
R672
J606
C683
C685
R679 R676
D6
03
C684
C686
Q6001
R677
C674
C682 Q604
R684
R6
80
C
687
U610
J602
R657
C650
C690
C691
C
1011
D6
04
D6
05
U613
R693
R694
R665
C6
95
R6
2
R6
1
R664
R6
87
U611
R6
67
J604
J603
R668
C6
59
R663
XM301
R655
U609
R686
Q603
C657
R650
R666
R669 U612
R1001
R670
P601
U2
10
C207
R200 0
R2
33
R2
32
R2
29
C2
18
C2
14
C
220
R2
08
U2
08
C204
R203
C2
03
R2001
R200 2
Q204
C227
R2
50
R215
R
248
R2
13
R2
12
R2
11
R2
10
R2
34
R2
19 C2
19
R227
C210
C221
R207
R214 R209
R235
C2
09
R204 C206
R221 R228
D201
R205
U2
05
R222
U2
06
C205
U203
R243
C223
U212
R237
K204
U209
U211
D2
00
2
C222
C224
C208
R2
36
C2
26
R2
01
D2
02
Q2
01
C202
C225
U201
R2
02
C2
01
C
229
C2
30
R2
60
C2
28
Q206
D205
C2
32
Q205
R261
R265
R
267
C
243
D2
09
R266
T201
K206
R2
40
Q207
C2
45
R253
Q202
Q203
R252
R245
R244
R251
D2
08
C244
R268
Q210
R280
R281
R282
R262
R241
D207
C2
42
C2
41
C2
40
D206
C231
K203
R242
R2
63
R2
64
K202
R256
R257
D7
17
C921
C668
C922
R
141
J605
C
1000
R
1000
R
143
D1
19
C655
C653
C654
C6
56
R64
P602
C907
P902
D904
L901
CY901
+
+
D901
+
D902
C932
T901
CY90 3
D903
U902
C903
C906
Q901
C918
C927
C908
L904
C926
U908
S903
D911
C920
C919
U904
S902
T902
CX902
CY902
C904
TH90 1 CY904
TH90 2
K901
C917
D909
+
R914
C931
D906
L903
CX90 1
L902
ZV90 1
U905
+
C925 C923
S901
J901
FUSE 901
C405
C400
C2
34
R2
54
R250 8
C2
37
R2
59
R2
55
C2
35
R2
58
C2
36
V201
USB
R238
K201
R239
K205
5