SOUNDSTICKS III (serv.man2) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 84

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IEC 60950 (3rd)
 
 
- Page 6 of 6 - 
 
 
www.nemko.com
 
Report No.   158002 
 
 
 
U.2.3 
Replacement:
 
Replace the first paragraph with the following. 
Test 9 of IEC 60851-6:1996, followed by the 
electric strength test of 5.2.2 of this standard 
except applying the test voltage between the 
wire and the mandrel. A test voltage shall be 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. 
TIW not used. 
N/A 
U.2.4 
Replace the third paragraph of this Sub-Clause, 
which is describing the test voltage, by: 
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.
TIW not used. 
N/A 
U.3.1 
Replace the text of this Sub-Clause by: 
The test voltage for ROUTINE TESTING shall be 
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 
r.m.s. or 2100 V peak, or; 
-     for REINFORCED INSULATION, 3000 V 
r.m.s. or 4200 V peak. 
TIW not used. 
N/A 
U.3.2 
Replace the text of this Sub-Clause by: 
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 shall be 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. 
TIW not used. 
N/A 
 
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