NAD T955 AH, Руководство по обслуживанию

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120deg Thermal Autoreset switch
YEL UL1015 20AWG 230mm
BLK UL1015 20AWG 230mm
RED UL1015 20AWG 230mm
0V
33.8V No load 31.3V/5.1A(Voltage between Pin9 to Pin10)
33.8V No load 31.3V/5.1A(Voltage between Pin10 to Pin11)
43.3V No load 40.6V/3.6A(Voltage between Pin8 to Pin10)
43.3V No load 40.6V/3.6A(Voltage between Pin10 to Pin12)
RED UL1672 18AWG 180mm
BLUE UL1672 18AWG 180mm
0V
33.8V No load 31.3V/5.1A(Voltage between Pin14 to Pin15)
33.8V No load 31.3V/5.1A(Voltage between Pin15 to Pin16)
43.3V No load 40.6V/3.6A(Voltage between Pin13 to Pin15)
43.3V No load 40.6V/3.6A(Voltage between Pin15 to Pin17)
0V
33.8V No load 31.3V/5.1A(Voltage between Pin19 to Pin20)
33.8V No load 31.3V/5.1A(Voltage between Pin20 to Pin21)
43.3V No load 40.6V/3.6A(Voltage between Pin18 to Pin20)
43.3V No load 40.6V/3.6A(Voltage between Pin20 to Pin22)
0V
33.8V No load 31.3V/5.1A(Voltage between Pin24 to Pin25)
33.8V No load 31.3V/5.1A(Voltage between Pin25 to Pin26)
43.3V No load 40.6V/3.6A(Voltage between Pin23 to Pin25)
43.3V No load 40.6V/3.6A(Voltage between Pin25 to Pin27)
0V
33.8V No load 31.3V/5.1A(Voltage between Pin29 to Pin30)
33.8V No load 31.3V/5.1A(Voltage between Pin30 to Pin31)
43.3V No load 40.6V/3.6A/3.5A(Voltage between Pin28 to Pin30)
43.3V No load 40.6V/3.6A(Voltage between Pin30 to Pin32)
VIO UL1015 20AWG 180mm
BLUE UL1672 18AWG 180mm
RED UL1672 18AWG 180mm
VIO UL1015 20AWG 180mm
YEL UL1015 20AWG 230mm
RED UL1015 20AWG 230mm
YEL UL1015 20AWG 200mm
RED UL1015 20AWG 200mm
BLK UL1015 20AWG 200mm
YEL UL1015 20AWG 200mm
RED UL1015 20AWG 200mm
YEL UL1015 20AWG 230mm
RED UL1015 20AWG 230mm
BLK UL1015 20AWG 230mm
YEL UL1015 20AWG 230mm
RED UL1015 20AWG 230mm
YEL UL1015 20AWG 200mm
RED UL1015 20AWG 200mm
BLK UL1015 20AWG 200mm
YEL UL1015 20AWG 200mm
RED UL1015 20AWG 200mm
YEL UL1015 20AWG 180mm
RED UL1015 20AWG 180mm
BLK UL1015 20AWG 180mm
YEL UL1015 20AWG 180mm
RED UL1015 20AWG 180mm
Thermal protector leads
are terminated with
JST SVH-21T-P1.1 and with
JST housing VHR-5N**
Primary leads are
terminated with
Molex 50539-8000
and with Molex
housing 51144-0200
Each group of secondary
leads are terminated with
JST SVH-21T-P1.1 and with
JST housing VHR-5N**
Secondary Red and Yel Alternative loads
Secondary current at maximum load
At 1/8th power condition, secondary output
is 42.5V/1.53A at the high-voltage windings
and 32.8V/2A at the low-voltage windings.
Thermal protector mounted on secondary
side but leads close to primary leads
Diameter <130mm Center filled and 10mm hole
Height <88mm
Weight <5.6Kg
Label: ┌ ┐
Toroid Audio Ltd
P/N: TI-053035 AU Iss 2
NAD: T955
└cULus logo + E115159 CE Logo ┘
Comments:
1)Primary resistance:2x1.2ohm
2)Secondary resistance:2x(0.20+0.35+0.35+0.2)ohm
3)Calculated temperature rise at 650VA
continuous load:65 deg C
4)CUL recognized to UL6500 and Can/CSA E60065-00
PIN1 to PIN3=117V
PIN4 to PIN5=117V
S4
S5
S2
S3
S1
S6
S7
All Secondary voltage are measure at 230V mains while Primary connection at 234V
t
TR901
T955 MAIN TRANSFORMER
t
TR901
T955 MAIN TRANSFORMER
1
14
3
4
5
6
7
8
9
10
11
13
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
12
P907A
MOLEX_51144-0500
P907A
MOLEX_51144-0500
1
2
3
4
5
P906A
MOLEX_51144-0500
P906A
MOLEX_51144-0500
1
2
3
4
5
P905A
MOLEX_51144-0500
P905A
MOLEX_51144-0500
1
2
3
4
5
P904A
MOLEX_51144-0500
P904A
MOLEX_51144-0500
1
2
3
4
5
P902A
MOLEX_51144-0200
P902A
MOLEX_51144-0200
1
2
P901A
MOLEX 44441-2004
P901A
MOLEX 44441-2004
1
2
3
4
P903A
MOLEX_51144-0500
P903A
MOLEX_51144-0500
1
2
3
4
5
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SCHEMATICS DIAGRAM