SoundSticks II - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 22

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Page 15 of 91 
ST-05368 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
 
TRF No.: IECEN60950_1A 
 
 
 
2.10.5.4 
Wound components 
(see Annex U) 
 
Number of layers (pcs)........................................ : 3 
 
Two wires in contact inside wound component; 
angle between 45
° and 90° ................................:
The teflon tubing and insulating 
tape are provided to protect 
against mechanical stress 
2.10.6 
Coated printed boards 
 
N/A 
2.10.6.1 General 
 
N/A 
2.10.6.2 
Sample preparation and preliminary inspection 
 
N/A 
2.10.6.3 Thermal 
cycling 
 
N/A 
2.10.6.4 
Thermal ageing (
°C)............................................:  N/A 
2.10.6.5 
Electric strength test 
 
 
2.10.6.6 
Abrasion resistance test 
 
N/A 
 
Electric strength test 
 
 
2.10.7 Enclosed 
and 
sealed parts..................................: No such parts 
N/A 
 
Temperature T
1
=T
2
 = T
ma
 – T
amb
 +10K (
°C)........:  N/A 
2.10.8 
Spacings filled by insulating compound..............: Approved optocoupler (U2) 
 
Electric strength test  
 
 
2.10.9 
Component external terminations 
 
N/A 
2.10.10 
Insulation with varying dimensions 
 
N/A 
Note: 
The measured working voltages are detailed as the following: 
Tested voltage: 240 Vac, 60 Hz 
Transformer (T1) 
Vrms  Vpeak Vrms Vpeak Vrms Vpeak Vrms Vpeak
Pri. pins 
Sec. pins 
1 12 3 10 
A 202 
378 
247 
520 
221 391 217 359 
B 203 
381 
249 
518 221 423 219 362 
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