Wiring Diagram - NAD M25 C Service Manual

WIRING DIAGRAM

P101A P101A 1
SC NPN P101A 1 P101A SC NPN
2 SC PNP 2 SC PNP
3 +18V 3 +18V
-18V -18V
4 4
+70V +70V
5 5
-70V -70V
6 6
7 PROTECT 7 PROTECT
8 SEN 8 SEN
AC OFF AC OFF
9 9
AGND AGND
1 1
+62V +62V
2 2
+62V +62V
3 3
4 -62V 4 -62V
5 -62V 5 -62V
AGND AGND
6 6
AGND AGND
7 7
AGND AGND
8 8
9 ISC TRIG 9 ISC TRIG
P102A P102A
P102A P102A
P601B P601B
P604B 1 P604B SCN_4 P605B 1 P605B SCN_4
2 SCP_4 2 SCP_4
3 +18V 3 +18V
-18V -18V
4 4
+70V +70V
5 5
-70V -70V
6 6
7 PROT1 7 PROT2
8 SEN1 8 SEN2
ACOFF ACOFF
9 9
1 1
+62V_4 +62V_4
2 2
3 +62V_4 3 +62V_4
4 -62V_4 4 -62V_4
5 -62V_4 5 -62V_4
6 AGND4 6 AGND4
AGND4 AGND4
7 7
AGND4 AGND4
8 8
9 ISCTRIG_1 9 ISCTRIG_2
P611B P611B P612B P612B
P204B P204B
P206B P206B
+12VD
1
PROT1
2
SCLED
3
PROT2
4
PROT3
5
PROT3
6
PROT4
7
PROT4 8
PROT5
9
PROT5
10
STBYLED
11
PROT6
12
+5VD 13
PROT7
14
DGND
15
DGND
16
P207B P207B
FLEX 16PIN 1.0mm FLEX 16PIN 1.0mm
P504B P504B
P503B P503B P506B P506B
1 1
2 2
STANDBY BOARD
P505B P505B
1 1
2 2
3 3
4 4
P501B P501B P502B P502B
TO P501B TO P502B
2 1
P101A 1 P101A P101A P101A 1
SC NPN SC NPN
2 SC PNP 2 SC PNP
3 +18V 3 +18V
-18V -18V
4 4
+70V +70V
5 5
-70V -70V
6 6
7 PROTECT 7 PROTECT
8 SEN 8 SEN
AC OFF AC OFF
9 9
AGND AGND
1 1
+62V +62V
2 2
+62V +62V
3 3
4 -62V 4 -62V
5 -62V 5 -62V
AGND AGND
6 6
AGND AGND
7 7
AGND AGND
8 8
9 ISC TRIG 9 ISC TRIG
P102A P102A P102A P102A
P602B P602B
P606B P606B 1 SCN_4 P607B 1 P607B SCN_4
2 SCP_4 2 SCP_4
3 +18V 3 +18V
-18V -18V
4 4
+70V +70V
5 5
-70V -70V
6 6
7 PROT3 7 PROT4
8 SEN3 8 SEN4
ACOFF ACOFF
9 9
P619B P619B
1 1
+62V_4 +62V_4 +62V_4
2 1 2
3 +62V_4 +62V_4 2 3 +62V_4
4 -62V_4 -62V_4 3 4 -62V_4
5 -62V_4 -62V_4 4 5 -62V_4
P621B P621B
6 AGND4 AGND4 5 6 AGND4
AGND4 AGND4 AGND4
7 6 7
AGND4 AGND4 AGND4
8 7 8
9 ISCTRIG_3 AGND4 8 9 ISCTRIG_4
P613B P613B P614B P614B
P205B P205B
P202A P202A
+62V_4
1
+62V_4 2
-62V_4 3
-62V_4 4
AGND4
5
AGND4
6
AGND4
7
AGND4 8
P801A P801A
P301A P301A
1 +12VD
PROT1
2
SCLED
3
PROT2
4
PROT3
5
6 PROT3
PROT4
7
8 PROT4
PROT5
9
PROT5
10
STBYLED
11
12 PROT6
+5VD
13
PROT7
14
DGND
15
DGND
16
FLEX 16PIN 1.0mm FLEX 16PIN 1.0mm
LED DISPLAY BOARD
P101A 1 P101A SC NPN
2 SC PNP
P401B P401B
3 +18V
STBY -18V
1 4
+8V +70V
2 5
DGND -70V
3 6
4 SCLED 7 PROTECT
5 SCN_3 8 SEN
SCN_4 AC OFF
6 9
SCP_3 AGND
7 1
SCP_4 +62V
8 2
+62V_3 +62V
9 3
10 -62V_3 4 -62V
11 +62V_4 5 -62V
-62V_4 AGND
12 6
AGND
7
AGND
8
9 ISC TRIG
P102A P102A
P603B P603B
P618B P618B P608B 1 P608B SCN_3
1 STBY 2 SCP_3
2 +8V 3 +18V
DGND -18V
3 4
SCLED +70V
4 5
SCN_3 -70V
5 6
6 SCN_4 7 PROT5
7 SCP_3 8 SEN5
SCP_4 ACOFF
8 9
+62V_3 P620B P620B
9 1
-62V_3 +62V_3 +62V_3
10 1 2
11 +62V_4 +62V_3 2 3 +62V_3
12 -62V_4 -62V_3 3 4 -62V_3
-62V_3 4 5 -62V_3
P622B P622B
AGND6 5 6 AGND6
AGND6 AGND6
6 7
AGND6 AGND6
7 8
AGND6 8 9 ISCTRIG_5
P615B P615B
P203B P203B
+12V
-12V
+18V
-18V
+70V
-70V
P201A P201A
+62V_4
+62V_3
1
-62V_4
+62V_3 2
-62V_3 3
-62V_3 4
AGND6
5
AGND6
6
+62V_3
AGND6
7
-62V_3
AGND6 8
FAN1 FAN1
1
2
FAN2 FAN2
1
2
FAN3 FAN3
1
2
- 7 -
P101A P101A 1
SC NPN P101A 1 P101A SC NPN
2 SC PNP 2 SC PNP
3 +18V 3 +18V
-18V -18V
4 4
+70V +70V
5 5
-70V -70V
6 6
7 PROTECT 7 PROTECT
8 SEN 8 SEN
AC OFF AC OFF
9 9
AGND AGND
1 1
+62V +62V
2 2
+62V +62V
3 3
4 -62V 4 -62V
5 -62V 5 -62V
AGND AGND
6 6
AGND AGND
7 7
AGND AGND
8 8
9 ISC TRIG 9 ISC TRIG
P102A P102A
P102A P102A
P609B 1 P609B SCN_3 P610B P610B 1 SCN_3
2 SCP_3 2 SCP_3
3 +18V 3 +18V
-18V -18V
4 4
+70V +70V
5 5
-70V -70V
6 6
7 PROT6 7 PROT7
8 SEN6 8 SEN7
ACOFF ACOFF
9 9
1 1
+62V_3 +62V_3
2 2
3 +62V_3 3 +62V_3
4 -62V_3 4 -62V_3
5 -62V_3 5 -62V_3
P623B P623B
6 AGND6 6 AGND6
AGND6 AGND6
7 7
AGND6 AGND6
8 8
9 ISCTRIG_6 9 ISCTRIG_7
P616B P616B P617B P617B
CONNECTION BOARD
P209B P209B
+/-12V digital voltage
regulators
+/-18V analog voltage
regulators
+/-70V analog voltage
regulators
High current 4 channel
analog voltage rectify
High current 3 channel
analog voltage rectify
POWER SUPPLY BOARD
TO P209B
1 7
8
2 9
3 10
11
4 12
5 13
14
15
t t
6 16
P208B P208B
TO P208B