Read Harman Kardon AVR 355 (serv.man6) EMC - CB Certificate online
- Page 3 of 3 -
Report No. 98388
14.3.3
Transformer/motor, constructional requirements
P
Transformer
Part No.
Part No.
Insulation
between
between
Insulation Res.
M Ohms
Test Volt
kV (60 sec.)
Clearances / Creepage distances
Measured
Required
KLT (or CLT) 5W033ZE
Pri. - Sec.
> 100
3000Vac
10,4 / 10,4 mm
4,0 / 5,6 mm
Pri. - ic.
> 100
3000Vac
10,3 / 10,3 mm
4,0 / 5,0 mm
KLT ( or CLT) 5J039ZE
Pri. - Sec.
> 100
3000Vac
8,9 / 8,9 mm
4,0 / 5,0mm
Pri. - ic.
> 100
3000Vac
8,3 / 8,3 mm
4,0 / 5,0mm
-
Components / construction
KLT (or CLT) 5W033ZE
Windings on two separate bobbins. The bobbins are
placed in an insulating housing with two compartments,
one above the other. Bobbin thickness: > 0,4 mm
Measured max. working voltage: 375Vpeak/265Vrms
placed in an insulating housing with two compartments,
one above the other. Bobbin thickness: > 0,4 mm
Measured max. working voltage: 375Vpeak/265Vrms
P
-
Components / construction
KLT ( or CLT) 5J039ZE
Windings on single bobbins. Center wall (2 layers) is
provided between primary and secondary windings.
Satisfactory constructed. Bobbin thickness: > 0,4 mm
Measured max. working voltage: 354Vpeak/250Vrms
provided between primary and secondary windings.
Satisfactory constructed. Bobbin thickness: > 0,4 mm
Measured max. working voltage: 354Vpeak/250Vrms
P
Transformer
Part No
Part No
Insulation
Between
Between
Thick (mm)
X Number
Material
Dielectric strength test
60 sec.
KLT (or CLT) 5W033ZE
Pr - sec
0,9 mm min x 1
PET bobbin
Pass *)
Pr - ic
0,9 mm min x 1
PET bobbin
Pass *)
KLT ( or CLT) 5J039ZE
Pr - sec
0,7 mm min. x 2
0,5 mm min. x 1
0,5 mm min. x 1
PBT bobbin wall
PBT bobbin cap.
PBT bobbin cap.
Pass *)
Pr - ic
0,7 mm min. x 1
PBT bobbin
Pass *)
Pr - ic
0,5 mm min. x 1
PBT bobbin cap.
Pass *)
*) Test voltage: 3000Vrms
17.1
Torque test to Table 20:
P
Screw
Diameter
With
Without
Material
Torque test (Nm)
Location / function
(mm)
Head
Head
Screw
Nut
Fulfilled / Remarks
Fixing of top cover
(sides)
(sides)
4,0 x -
Metal Metal
Tested with 1,2Nm,
5 times / Pass
5 times / Pass
Fixing of top cover
(rear)
(rear)
3,0 x -
Metal Metal
Tested with 0,5Nm,
5 times / Pass
5 times / Pass
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