DOWNLOAD JBL DUET III Service Manual ↓ Size: 989.81 KB | Pages: 85 in PDF or view online for FREE

Model
DUET III
Pages
85
Size
989.81 KB
Type
PDF
Document
EMC - CB Certificate
Brand
Device
Audio
File
duet-iii.pdf
Date

JBL DUET III EMC - CB Certificate ▷ View online

 
 
- Page 12 of 51 - 
 
 
www.nemko.com
 
Report No.  116366 
 
TRF No.:IECEN60950_1B 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
2.3.3 
Separation from hazardous voltages 
No TNV circuits in the 
equipment. 
N/A 
 Insulation 
employed.............................................:
 
— 
2.3.4 
Connection of TNV circuits to other circuits 
No TNV circuits in the 
equipment. 
N/A 
 Insulation 
employed.............................................:
 
— 
2.3.5 
Test for operating voltages generated externally 
No TNV circuits in the 
equipment. 
N/A 
 
 
 
 
2.4 
Limited current circuits 
 
2.4.1 
General requirements 
No limited current circuits. 
N/A 
2.4.2 Limit 
values 
 
 
 Frequency 
(Hz)....................................................:
 
— 
 Measured 
current (mA) .......................................:
 
— 
 Measured 
voltage (V) ..........................................:
 
— 
 
Measured capacitance (
μF).................................:
 
— 
2.4.3 
Connection of limited current circuits to other 
circuits 
 
 
 
2.5 
Limited power sources 
 
 
Inherently limited output 
Class III equipment powered by 
Limited Power Source adaptor 
certified by IEC 60950-1. 
Therefore all outputs are 
considered to be limited power. 
(refer to summary of testing) 
N/A 
 
Impedance limited output 
 
N/A 
 
Overcurrent protective device limited output 
 
N/A 
 
Regulating network limited output under normal 
operating and single fault condition 
 
N/A 
 
Regulating network limited output under normal 
operating conditions and overcurrent protective 
device limited output under single fault condition 
 
N/A 
 
Output voltage (V), output current (A), apparent 
power (VA)......................................................... : 
 
— 
 
Current rating of overcurrent protective device (A)
 
— 
 
2.6 
Provisions for earthing and bonding 
 
 
 
- Page 13 of 51 - 
 
 
www.nemko.com
 
Report No.  116366 
 
TRF No.:IECEN60950_1B 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
2.6.1 
Protective earthing 
Class III equipment 
N/A 
2.6.2 Functional 
earthing 
 
N/A 
2.6.3 
Protective earthing and protective bonding 
conductors 
 N/A 
2.6.3.1 General 
 
N/A 
2.6.3.2 
Size of protective earthing conductors 
 
N/A 
 
Rated current (A), cross-sectional area (mm
2
), 
AWG ....................................................................:
 
— 
2.6.3.3 
Size of protective bonding conductors 
 
N/A 
 
Rated current (A), cross-sectional area (mm
2
), 
AWG ....................................................................:
 
— 
2.6.3.4 
Resistance (
Ω) of earthing conductors and their 
terminations, test current (A) ...............................:
 
N/A 
2.6.3.5 Colour 
of 
insulation..............................................:
 N/A 
2.6.4 Terminals 
 
N/A 
2.6.4.1 General 
 
N/A 
2.6.4.2 
Protective earthing and bonding terminals 
 
N/A 
 
Rated current (A), type and nominal thread 
diameter (mm) .....................................................:
 
— 
2.6.4.3 
Separation of the protective earthing conductor 
from protective bonding conductors 
 N/A 
2.6.5 
Integrity of protective earthing 
 
N/A 
2.6.5.1 
Interconnection of equipment 
 
N/A 
2.6.5.2 
Components in protective earthing conductors 
and protective bonding conductors 
 N/A 
2.6.5.3 
Disconnection of protective earth 
 
N/A 
2.6.5.4 
Parts that can be removed by an operator 
 
N/A 
2.6.5.5 Parts 
removed 
during servicing 
 
N/A 
2.6.5.6 Corrosion 
resistance 
 
N/A 
2.6.5.7 
Screws for protective bonding 
 
N/A 
2.6.5.8 
Reliance on telecommunication network or cable 
distribution system 
 N/A 
 
2.7 
Overcurrent and earth fault protection in primary circuits 
 
2.7.1 
Basic requirements 
Class III equipment. 
N/A 
 
Instructions when protection relies on building 
installation 
 N/A 
 
 
- Page 14 of 51 - 
 
 
www.nemko.com
 
Report No.  116366 
 
TRF No.:IECEN60950_1B 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
2.7.2 
Faults not covered in 5.3 
 
N/A 
2.7.3 
Short-circuit backup protection 
 
N/A 
2.7.4 
Number and location of protective devices  ....... :
 
N/A 
2.7.5 
Protection by several devices 
 
N/A 
2.7.6 
Warning to service persons ............................... :
 
N/A 
 
2.8 Safety 
interlocks 
 
2.8.1 
General principles 
No safety interlocks. 
N/A 
2.8.2 Protection 
requirements 
 
N/A 
2.8.3 Inadvertent 
reactivation 
 
N/A 
2.8.4 Fail-safe 
operation 
 
N/A 
2.8.5 Moving 
parts 
 
N/A 
2.8.6 Overriding 
 
 
N/A 
2.8.7 
Switches and relays  
 
N/A 
2.8.7.1 Contact 
gaps (mm)  ............................................ :
 
N/A 
2.8.7.2 Overload 
test 
 
N/A 
2.8.7.3 Endurance 
test 
 
N/A 
2.8.7.4 
Electric strength test  
 
N/A 
2.8.8 Mechanical 
actuators 
 
N/A 
 
2.9 Electrical 
insulation 
 
2.9.1 
Properties of insulating materials 
Class III equipment. 
N/A 
2.9.2 Humidity 
conditioning 
 
N/A 
 Humidity (%)  .......................................................:
 
— 
 
Temperature (
°C) ................................................:
 
— 
2.9.3 
Grade of insulation 
 
N/A 
 
2.10 
Clearances, creepage distances and distances through insulation 
 
2.10.1 
General  
Class III equipment. 
N/A 
2.10.2 
Determination of working voltage 
 
N/A 
2.10.3 Clearances 
 
N/A 
2.10.3.1 General 
 
N/A 
2.10.3.2 
Clearances in primary circuits 
 
N/A 
2.10.3.3 
Clearances in secondary circuits 
 
N/A 
 
 
- Page 15 of 51 - 
 
 
www.nemko.com
 
Report No.  116366 
 
TRF No.:IECEN60950_1B 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
2.10.3.4 
Measurement of transient voltage levels 
 
N/A 
2.10.4 Creepage 
distances 
 
N/A 
 CTI 
tests ............................................................. :
 
— 
2.10.5 Solid 
insulation 
 
N/A 
2.10.5.1 
Minimum distance through insulation 
 
N/A 
2.10.5.2 
Thin sheet material 
 
N/A 
 
Number of layers (pcs) ....................................... :
 
— 
 
Electric strength test 
 
— 
2.10.5.3 Printed 
boards 
 
N/A 
 
Distance through insulation 
 
N/A 
 
Electric strength test for thin sheet insulating 
material  
 
— 
 
Number of layers (pcs) ....................................... :
 
N/A 
2.10.5.4 Wound 
components 
 
N/A 
 
Number of layers (pcs) ....................................... :
 
N/A 
 
Two wires in contact inside wound component; 
angle between 45
° and 90° ............................... : 
 
N/A 
2.10.6 
Coated printed boards 
 
N/A 
2.10.6.1 General 
 
N/A 
2.10.6.2 
Sample preparation and preliminary inspection 
 
N/A 
2.10.6.3 Thermal 
cycling 
 
N/A 
2.10.6.4 
Thermal ageing (
°C) ........................................... : 
 
N/A 
2.10.6.5 
Electric strength test 
 
— 
2.10.6.6 
Abrasion resistance test 
 
N/A 
 
Electric strength test 
 
— 
2.10.7 Enclosed 
and 
sealed parts ................................. : 
 
N/A 
 
Temperature T
1
=T
2
 = T
ma
 – T
amb
 +10K (
°C) ....... : 
 
N/A 
2.10.8 
Spacings filled by insulating compound ............. : 
 
N/A 
 
Electric strength test  
 
— 
2.10.9 
Component external terminations 
 
N/A 
2.10.10 
Insulation with varying dimensions 
 
N/A 
 
WIRING, CONNECTIONS AND SUPPLY 
 
3.1 General 
 
Page of 85
Display

Click on the first or last page to see other DUET III service manuals if exist.