NAD C 546BEE, Service Manual

Page: 23 / 60

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MAIN BOARD - bottom side
8V
JG
ND
JG
ND
JG
ND
JG
ND
JG
ND
R2
6
IC
20
6
C3
17
C3
18
R3
00
C3
08
Q
21
5
C3
20
C3
19
R281
R282
R2
99
R2
95
R298
R2
97
R296
R279
R280
C3
15
C2
74
IC
20
9
R2
44
R2
45
R2
46
R2
57
C2
24
C2
25
C227
C2
28
R3
44
R248
R2
49
R2
50
R2
51
R252
R2
53
R254
R25 5
R2
56
R24 7
R2
58
R2
59
C27 8
R2
60
C3
01
R2
61
C2
83
C2
84
C2
86
C2
87
C2
90
C2
88
C2
91
C2
92
C2
93
C2
94
C2
95
C296
C2
97
C2
98
C299
C2
79
C3
02
R3
15
R3
18
R3
19
R3
21
R322
R323
R324
R325
C3
03
C304
C3
05
C3
06
C307
R328
R329
R330
R331
R3
36
R3
37
R3
38 R3
39
R3
40
R3
41
R3
42
R3
43
R3
45
R3
46
R34 7
R3
50
R351
R3
52
R3
53
R3
17
R3
16
R2
73
R275
R276
R2
77
R2
78
R3
14
R212
R2
13
R2
14
R2
15
R2
16
R217
R21 8
R21 9
C21 2
C21 3
R2
20
C2
15
R221
C204
C2
17
C21 8
C2
21
C2
22
C3
09
C3
11
C3
13
C2
09
IC
20
8
R326
R3
49
R332
R333
R3
48
R327
R2
88
R266
R265
R272
R286
R291
R292
R2
93
R2
94
R2
85
R2
84
R2
83
R204
C2
89
R3
20
R4
R1
R205
R206
R207
R209
R303
R304
R305
R307
R308
R310
R311
R356
R2
R267
R3
R210
R208
R7
R5
R6
C32 1
C6 C7 C8 C9
R2
22
R2
5
C2
80
R2
71
R2
70
C2
75
C2
76
R2
68
R13 9
R138
R28
R3
1
R3
2
R2
9
R3
5
R5
1
IC207
L2
04
L2
05
R274
U2
09
IC
20
4
P2
16
-2
8V
1V
5
8V
AC
1
BC
LK
CL
-S
W
CP
U-
5V
DA
TA
DG
ND
GN
D
JG
ND
KEY1
KEY2
KG
ND
LCD-CE
LCD-CLK
LCD-DATA
LCD-INH
LE
D
LM
-C
L
LM
-O
P
LR
CL
K
M
CL
K
O
P-S
W
RE
M
OT
E
SP
DIF
U2
01
C2
50
C24 2
C2
32
C2
29
C2
52
C2
31
C2
36
C234
C2
39
C2
41
C256
C24 8
C2
44
C2
46
R263
Q
1
Q
2
U1
D3
D2
12
R3
57
R1
5
R16
R1
7
C2
05
U3
Q
6
C2
81
D2
07
U1
02
R3
4
V_R2
V_
R1