Read Harman Kardon DVD 39 (serv.man2) EMC - CB Certificate online
IEC 60065 7ed. (2001)
- Page 3 of 3 -
www.nemko.com
Report No. 98390
14.3.3
Transformer/motor, constructional requirements
P
Transformer
Part No.
Part No.
Insulation
between
between
Insulation Res.
M Ohms
Test Volt
V (60 sec.)
Clearances / Creepage distances
Measured
Required
TF91 / CLT9Z042ZE *)
Pri. - Sec. > 100
3000Vac
6,0 / 6,0mm
4,2 / 5,0mm
TF92 / CLT9Z043ZE **)
Pri. - Sec
> 100
3000Vac
6,0 / 6,3mm
4,4 / 6,0mm
*) Min. 6,0mm (width) barrier tapes provided in bottom side of the transformer.
Min. 3,0mm (width) barrier tapes provided in topside of the transformer.
**) Min. 6,0mm distances between primary and secondary.
Primary pins and Sec. 13 pin connected winding wires are covered to 0,25mm thick PTFE tubing.
-
Components / construction
(TF91, TF92)
Concentric windings on single bobbin. At least 3 layers of
insulation between primary and secondary winding.
Thickness of each layer: 0,025mm. Voltage test: 3 kV.
Measured Max. Operating Voltage;
-TF91 / CLT9Z042ZE: 475Vpeak / 247Vrms
-TF92 / CLT9Z043ZE: 495Vpeak / 279Vrms
Thickness of each layer: 0,025mm. Voltage test: 3 kV.
Measured Max. Operating Voltage;
-TF91 / CLT9Z042ZE: 475Vpeak / 247Vrms
-TF92 / CLT9Z043ZE: 495Vpeak / 279Vrms
P
Transformer
Part No
Part No
Insulation
Between
Between
Thick (mm)
X Number
Material
Dielectric strength test
60 sec.
TF91 / CLT9Z042ZE
Pr - sec
0,025 mm x 3
Polyester tape
Pass *)
Pr - ic
0,80 mm min. x 1
Phenol bobbin
Pass *)
TF92 / CLT9Z043ZE
Pr - sec
0,025 mm x 3
Polyester tape
Pass *)
Pr - ic
0,80 mm min. x 1
Phenol bobbin
Pass *)
*) Test voltage: 3000 Vrms
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
(rear side)
(rear side)
3,0 x -
Metal
Metal
Tested with 0,5Nm,
5 times / Pass
5 times / Pass
Click on the first or last page to see other DVD 39 (serv.man2) service manuals if exist.