HK 3490 (serv.man3) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 17

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- Page 10 of 13 - 
 
 
 
 Report 
No. 
132230 
 
 
14.3.3 Transformer/motor, 
constructional 
requirements 
Transformer 
Part No. 
Insulation 
between 
Insulation  
Res. M Ohms
Test Volt 
V (60 sec.)
Clearances / Creepage distances
Measured 
Required 
CLT5I002ZE          #) 
Pr - sec 
> 100 
3KV (rms) 
5.3 / 5.3 mm 
4.0 / 5.0 mm 
Pr - ic 
> 100 
3KV (rms) 
5.3 / 5.3 mm 
4.0 / 5.0 mm 
 
 
 
 
 
 
#) 
Iron core – Sec. = 1.0 mm, therefore iron core to secondary distance is considered to 0 mm. 
Components / construction 
CLT5I002ZE 
Windings on single bobbin.   
The center flange provided between primary and 
secondary windings. Satisfactory constructed. 
Bobbin thickness: > 0.4mm. 
 
Max. Operating voltage: 343Vp / 242Vrms 
Transformer 
Part No 
Insulation 
Between 
Thick (mm) 
X Number 
Material 
Dielectric strength 
test / 60 sec. 
CLT5I002ZE 
Pr - sec 
0.40 mm min. x 2
0.40 mm min. x 1
PET center flange 
66 Nylon bobbin cap. 
Pass   *) 
Pr - ic 
0.60 mm min. x 1
PET bobbin 
Pass      *) 
Pr - ic 
0.60 mm min. x 1
66 Nylon bobbin cap.  Pass      *) 
 
 
 
 
 
*) Test voltage: 3000 Vrms. 
 
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