ON STAGEII (serv.man18) - JBL Audio EMC - CB Certificate (repair manual). Page 63

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IEC 60950-1 1st. Ed, 2001 
- Page 5 of 5 - 
 
 
 
Order No.  46974 
 
   
 
3.2.1.2 
Equipment connected to a centralized d.c. 
power system, and having one pole of the DC 
mains input terminal connected to the main 
protective earthing terminal in the equipment, 
is required to comply with special earthing, 
wiring, marking and installation instructions 
requirements  
Class III equipment, not for 
connection to DC mains. 
N/A 
4.2.8.1 
Enclosures around CRT’s with a face area of 
160 mm or more are required to reduce the 
risk of injury due to the implosion of the CRT. 
No CRTs in the equipment. 
N/A 
4.3.2 
Equipment with handles is required to comply 
with special loading tests. 
The equipment has no handles. 
N/A 
5.1.8.3 
Equipment intended to receive 
telecommunication ringing signals is required 
to comply with a special touch current 
measurement tests. 
No TNV circuitry. 
N/A 
6.2.1 
Enamel coating on winding wire not 
considered electrical separation unless 
subjected to special investigation. 
No TNV circuitry. 
N/A 
6.4 
Equipment intended for connection to 
telecommunication network outside plant cable 
is required to be protected against overvoltage 
from power line crosses in accordance with 6.4 
and Annex NAC. 
No TNV circuitry. 
N/A 
6.5 
Equipment connected to a telecommunications 
network and supplied with an earphone 
intended to be held against, or in the ear is 
required to comply with special acoustic 
pressure tests. 
No TNV circuitry. 
N/A 
M.2 
Continuous ringing signals up to 16mA only 
are permitted if the equipment is subject to 
special installation and performance 
restrictions. 
No TNV circuitry. 
N/A 
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