DUET 200 (serv.man3) - JBL Audio EMC - CB Certificate (repair manual). Page 18

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- Page 18 of 62 - 
 
 
 Report 
No. 111798 
 
 
IEC 60950-1:2005 / EN 60950-1:2006 
Clause 
Requirement + Test 
Result - Remark 
Verdict
 
 
TRF No. IECEN60950_1C 
 
 
 
Electric strength test 
 
⎯ 
2.10.5.11  Insulation in wound components 
Not used. 
2.10.5.12  Wire in wound components 
No TIW 
 Working 
voltage ....................................................:  N 
 
a) Basic insulation not under stress  ......................:  
 
b) Basic, supplemetary, reinforced insulation  .......:  
 
c) Compliance with Annex U .................................:  
 
Two wires in contact inside wound component; 
angle between 45
° and 90° ...................................:
 N 
2.10.5.13  Wire with solvent-based enamel in wound 
components 
No wire with solvent-based 
enamel in wound components.
 
Electric strength test 
(see appended table 2.10.5)  
⎯ 
 
Routine test  
 
2.10.5.14  Additional insulation in wound components 
No additional insulation used 
 Working 
voltage ....................................................:  
 
- Basic insulation not under stress ........................:  
 
- Supplemetary, reinforced insulation ...................:  
2.10.6 
Construction of printed boards 
No special construction on 
printed boards. 
⎯ 
2.10.6.1 
Uncoated printed boards 
 
2.10.6.2 
Coated printed boards 
 
2.10.6.3 
Insulation between conductors on the same inner 
surface of a printed board 
 N 
2.10.6.4 
Insulation between conductors on different layers of 
a printed board 
 N 
 
Distance through insulation 
 
 
Number of insulation layers (pcs) ..........................:  
2.10.7 
Component external terminations 
Coatings not used over 
terminations to increase 
effective creepage and 
clearance distances. 
2.10.8 
Tests on coated printed boards and coated 
components 
No special coating in order to 
reduce distance. 
2.10.8.1 
Sample preparation and preliminary inspection 
 
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