ON STAGE (serv.man3) - JBL Audio EMC - CB Certificate (repair manual). Page 47

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IEC 60950 3rd Ed., 1999. 
- Page 4 of 5 - 
 
 
 
 
Order No.  23171 
 
 
Clause 
Requirement - Test 
Result - Remark  
Ver-
dict 
5.1.6 
Replacement: 
Replace Table 5A. 
 
Class III equipment. 
5.3.8.2 
Replacement: 
Replace 3rd Item as follows. 
- BASIC INSULATION between the PRIMARY 
CIRCUIT and accessible conductive parts of CLASS I 
or 0I EQUIPMENT; 
Class III equipment. 
Annex A 
Addition: 
Add the subclause A.101 with the title “Flammability 
tests for classifying materials VTM” and the following: 
Thin sheet materials shall comply with ISO 9773. 
Considered. 
— 
Annex G  
Addition: 
Add the following to the Note for Table G.1. 
2. In Japan, MAINS TRANSIENT VOLTAGE for 
equipment with a Nominal AC MAINS SUPPLY 
VOLTAGE of 100V is to be decided based on the 
column where Nominal AC MAINS SUPPLY 
VOLTAGE in Table G.1 is 150V. 
Annex G not used 
Annex P  
Addition: 
Add “IEC 61965:2000, Mechanical Safety for Cathode 
Ray Tubes”. 
No CRTs. 
Annex U  
Replacement: 
Replace 2nd paragraph. 
This annex covers to round winding wires having 
diameters between 0.05 mm and 5.00 mm. 
No TIW used. 
U.2.1 
Replacement: 
Electric strength  
The test sample is prepared according to IEC 60851-
5:1997, 4.4.1 (for a twisted pair). The sample is then 
subjected to the test of 5.2.2 of this standard, with a 
test voltage not 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, or; 
- for REINFORCED INSULATION, 6000 V. 
No TIW used. 
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