NAD M25 C Service Manual page 16

SCHEMATICS DIAGRAM
Primary leads are terminated with
Molex 43375-0001 and with Molex
housing 44441-2004
BLU UL1672 16AWG 150mm
P1A P1A
117V between Pin1 to Pin2
1
WHI UL1672 16AWG 150mm
2
BLK UL1672 16AWG 150mm
3
117V between Pin3 to Pin4
4
BWN UL1672 16AWG 150mm
MOLEX_44441-2004 MOLEX_44441-2004
WHI UL1015 22AWG 150mm
P2A P2A
120deg Thermal Autoreset switch
1
2
WHI UL1015 22AWG 150mm
MOLEX_51144-0200 MOLEX_51144-0200
Thermal protector leads are
terminated with Molex 50539-8000
and with Molex housing 51144-0200
Secondary high and low Alternative loads
Secondary current at normal load
Thermal protector mounted on secondary
side but leads close to primary leads
Diameter <162mm Center filled and 10mm hole
Height <106mm
Weight <10.8Kg
Comments:
1)Primary resistance:2x0.36ohm
2)Secondary resistance:2x(0.065+0.03) and 2x(1.1+0.44)ohm
3)Calculated temperature rise at 1350VA
continuous load:77 deg C
4)CUL recognized to UL6500 and Can/CSA E60065-00
44441-2004 44441-2005
TR1 TR1
GRY UL1015 14AWG 300mm
1 7
RED UL1015 14AWG 300mm
8
BLK UL1015 14AWG 300mm
2 9
ORA UL1015 14AWG 300mm
3 10
WHI UL1015 14AWG 300mm
11
VIO UL1015 22AWG 300mm
4 13
GRN UL1015 22AWG 300mm
5 14
BLK UL1015 22AWG 300mm
15
GRY UL1015 22AWG 300mm
16
t t
YEL UL1015 22AWG 300mm
6 17
M25 MAIN TRANSFORMER M25 MAIN TRANSFORMER
43375-0001 50539-8000
42.9V No load 41.1V/17.4A(Voltage between Pin9 to Pin10)
42.9V No load 41.1V/17.4A(Voltage between Pin8 to Pin9)
0V
57.4V No load 55.2V/13.5A(Voltage between Pin7 to Pin9)
57.4V No load 55.2V/13.5A(Voltage between Pin9 to Pin11)
18.9V No load 18.3V/0.6A(Voltage between Pin15 to Pin16)
18.9V No load 18.3V/0.6A(Voltage between Pin14 to Pin15)
0V
66.9V No load 65V/0.2A(Voltage between Pin13 to Pin15)
66.9V No load 65V/0.2A(Voltage between Pin15 to Pin17)
Label: ┌
Toroid Audio Ltd
P/N: TI-043810 AU Iss 2
NAD: M25
Thermal Autoreset 120Deg
Class B insulation system (E202144/Z125)
cULus logo + E115159 CE Logo
└
51144 series
- 16 -
Secondary leads are terminated with
Molex 43375-0001 and with Molex
housing 44441-2005
P3A P3A
5
4
3
2
1
MOLEX 44441-2005 MOLEX 44441-2005
P4A P4A
1
2
3
4
5
MOLEX_51144-0500 MOLEX_51144-0500
Secondary leads are terminated
with Molex 50539-8000 and with
Molex housing 51144-0500
┐
┘