NAD T775, Service Manual

Page: 66 / 129

64
POWER SUPPLY(ISC)
RED
WHITE
BLACK
WHITE
RED
ISC FOR RIGHT AMP
ISC FOR LEFT AMP
AC4.8V2
AC4.8V1
AC8.8V4
AC8.8V3
AC8.8V2
AC8.8V2
AC8.8V1
AC8.8V1
AC17.6V2
AC17.6V2
AGND
AGND
AC17.6V1
AC17.6V1
BROWN
BROWN
BLUE
BLUE
ORANGE
ORANGE
VIOLET
GREY
VIOLET
AC8.8V4
AC8.8V3
AC29V
GREEN
C8211
0.1u_(M)
63V
C8212
0.1u_(M)
63V
C8214
0.1u_(M)
63V
C8213
0.1u_(M)
63V
R8241
0.22
5W
R8254
220
1/4W
Q8207
2SA1016
Q8206
2SA1016
R8239
2.2M
R8242
0.22
5W
1
2
3
4
5
J8203A
To X'former
AC
AC
+ -
4 1
3
2
D8201
400V 10A
KBK10G
E
C
B
Q8204
2SA1015
R8224
1k 1/4W
R8223
22k
R8222
100
E
C
B
Q8203
2SC1815
E
C
B
Q8202
2SA1015
K
A
G
D8203
TYN612
600V 12A
R8221
1k 1/4W
K
A
G
D8204
TYN612
600V 12A
E
C
B Q8205
2SC1815
R8232
1k 1/4W
R8234
10k
R8231
100
R8233
22k
R8203
1k
3
+
2
-
1
U8201-A
NJM5532M
D8211
1N4148
R8206
10k
R8225
4.7k
C8203
10u
16V
C8202
10u
16V
C8201
0.1u
R8201
100k
R8202
100k
R8205
2.2k
R8204
2.2k
R8213
680k
8
4
U8201-C
NJM5532M
C8209
10u
16V
C8210
10u
16V
R8214
50k
R8215
10k
D8210
12V
1/2W
D8209
12V
1/2W
R8219
4.7k
1/4W
E
C
B
Q8201
2SC1815
D8207
1N4148
C8204
10u
16V
R8243
0.22
5W
R8255
220
1/4W
Q8214
2SA1016
Q8213
2SA1016
R8240
2.2M
R8244
0.22
5W
AC
AC
+ -
4 1
3
2
D8202
400V 10A
KBK10G
E
C
B
Q8211
2SA1015
R8229
1k
1/4W
R8228
22k
R8227
100
E
C
B
Q8210
2SC1815
E
C
B
Q8209
2SA1015
K
A
G
D8205
TYN612
600V 12A
R8226
1k 1/4W
K
A
G
D8206
TYN612
600V 12A
E
C
B Q8212
2SC1815
R8236
1k 1/4W
R8238
10k
R8235
100
R8237
22k
R8209
1k
5
+
6
-
7
U8201-B
NJM5532M
D8212
1N4148
R8212
10k
R8230
4.7k
C8207
10u
16V
C8206
10u
16V
C8205
0.1u
R8207
100k
R8208
100k
R8211
2.2k
R8210
2.2k
R8216
680k
R8217
50k
R8218
10k
R8220
4.7k
1/4W
E
C
B
Q8208
2SC1815
D8208
1N4148
C8208
10u
16V
R8247
0.22 1/2W_(MO)
R8249
0.22 1/2W_(MO)
R8252
0.22 1/2W_(MO)
R8253
0.22 1/2W_(MO)
C8215
0.1u_(M)
63V
C8216
0.1u_(M)
63V
C8217
0.1u_(M)
63V
C8218
0.1u_(M)
63V
C8219
0.1u_(M)
63V
R8246
4k
3W
R8245
4k
3W
1
2
3
4
J8102B
TO SEC J8102A
1
2
3
4
J8103B
TO SEC (J8104A)
J8251A
J8251B
1
2
3
4
J8101B
TO SEC J8101A
1
2
3
4
5
6
7
8
J8201A
To Conn#2 J8201B
R8248
0.22 1/2W_(MO)
R8250
0.22 1/2W_(MO)
R8251
0.22 1/2W_(MO)
1
2
3
4
5
6
7
8
9
10
J8204A
to X'former
1
2
3
4
5
6
7
8
9
10
J8202A
To Conn#2 J8202B
1
2
3
J5803B
To AMP-L J5803A
1
2
3
J5810B
To AMP-L J5810A
R8256
0.22 1/2W_(MO)
R8257
0.22 1/2W_(MO)
AGND
AGND
DGND
DGND
+12V
-12V
-12V
V-_L
V+_L
DGND
+12V
AGND
DGND
DGND
-12V
DGND
+12V
AC_H1
AC_L1
AGND
AC_L2
AC_H2
DGND
DGND
DGND
AC_L1
AC_L2
DC+_L
DC+_R
AGND
V+_L
V-_L
V+_R
V-_R
DGND
DGND
ISC_THM_R
ISC_THM_L
ISC_SEN_L
ISC_SEN_R