ON TOUR XTB (serv.man8) - JBL Audio EMC - CB Certificate (repair manual). Page 78

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IEC 60950 3rd Ed., 1999. 
- Page 6 of 6 - 
 
 
www.nemko.com
 
Report No.  111547 
 
 
Clause 
Requirement - Test 
Result - Remark 
Ver-dict 
U.2.4 
Replacement:
 
Replace the third paragraph describing the test voltage 
with the following. 
The test voltage shall not be less than the appropriate 
voltage in table 5B (see 5.2.2) of this standard. 
However, the minimum values shall be as follows: 
 
- for BASIC INSULATION or SUPPLEMENTARY 
INSULATION, 1500 V, or; 
 
- for REINFORCED INSULATION, 3000 V. 
It is applied between the shot and the conductor. 
 
 
N/A 
U.3.1 
Replacement:
 
Replace with the following. 
The test voltage for ROUTINE TESTING shall be the 
appropriate voltage in table 5B (see 5.2.2) of this 
standard. Howeve, the minimum values shall be as 
follows: 
 
- for BASIC INSULATION or SUPPLEMENTARY 
INSULATION, 1500 V r.m.s. or 2100 V peak, or; 
 
- for REINFORCED INSULATION, 3000 V r.m.s. or 
4200 V peak. 
 
 
N/A 
U.3.2 
Replacement:
 
Replace with the following. 
Twisted pair samples shall be tested in accordance 
with IEC 60851-5:1996, 4.4.1. The minimum 
breakdown voltage shall not be less than twice the 
appropriate voltage in table 5B (see 5.2.2) of this 
standard. However, the minimum values shallbe as 
follows: 
 
- for BASIC INSULATION or SUPPLEMENTARY 
INSULATION, 3000 V r.m.s. or 4200 V peak, or; 
 
- for REINFORCED INSULATION, 6000 V r.m.s. or 
8400 V peak. 
 
 
N/A 
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