DSC 1000 - JBL Audio EMC - CB Certificate (repair manual). Page 7

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Page 6 of 53 
  Report No: JSH0406745-001.  
IEC 60065 
Clause 
Requirement - Test 
Result - Remark 
Verdict 
 
 
Reinforced or double insulation being bridged with 
2 capacitors in series complying with 14.2.1 a) 
 
 
Reinforced or double insulation being bridged with 
a single capacitor complying with 14.2.1 b) 
CY1, CY2, CY3, CY4, CY5, 
CY6 
 
Basic insulation bridged by components complying 
with 14.3.4.3 
 
8.7 
Basic insulation between parts at 35 V to 71 V 
(peak) a.c. or 60 V to 120 V d.c. and accessible 
parts 
No such voltage 
 
Reinforced or double insulation between circuits 
operating at voltages between 35 V and 71 V 
(peak) a.c. or between 60 V and 120 V d.c. and 
hazardous live parts at higher voltage 
 
 
Separation by Class II isolating transformer 
 
 
Separation by Class I transformer 
 
 
Separation by earthed conductive part 
 
8.8 
Basic or supplementary insulation > 0,4 mm (mm) :   
 
Reinforced insulation > 0,4 mm (mm) ................. :  TR1, TR2 bobbin: 0.8mm 
Optocoupler PH1, PH2: 
0.45mm 
Separation sheet on internal 
enclosure under power board: 
0.5mm. 
 
Thin sheet insulation 
Inside TR1, TR2 
 
Basic or supplementary insulation, at least two 
layers, each meeting 10.3 
 
 
Basic or supplementary insulation, three layers 
any two of which meet 10.3 
 
 
Reinforced insulation, two layers each of which 
meet 10.3 
 
 
Reinforced insulation, three layers any two which 
meet 10.3 
Withstand 4240Vp test. 
8.9 
Adequate insulation between internal hazardous 
live conductors and accessible parts 
 
 
Adequate insulation between internal hazardous 
live parts and conductors connected to accessible 
parts 
 
8.10 
Double insulation between conductors connected 
to the mains and accessible parts 
Live wires are double 
insulated, no secondary wire 
can come closer to live parts 
8.11 
Detaching of wires 
 
 
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