DOWNLOAD Harman Kardon AVR 7500 (serv.man9) Service Manual ↓ Size: 1.98 MB | Pages: 54 in PDF or view online for FREE

Model
AVR 7500 (serv.man9)
Pages
54
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1.98 MB
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PDF
Document
EMC - CB Certificate
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Device
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avr-7500-sm9.pdf
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Harman Kardon AVR 7500 (serv.man9) EMC - CB Certificate ▷ View online

 
IEC 60065, 6th edition : 1998
 - 
- Page 17 of 43 - 
 
 
   
 
Order No. 
200211175
 
 
 
 
13 
CLEARANCES AND CREEPAGE 
DISTANCES 
 
13.1.1 
Clearances and creepage distances in 
accordance with 13.2 (fig. 9); minimum 
distance    
See 13.2 
 
Reduction applied if the 3 conditions are 
met   
No reduction applied 
 
Reduction applied for Grade 2 winding 
wire   
No 
13.1.2 
Use of cemented joints   
No cemented joints 
 
Tests to confirm cemented joints   
 
13.2 
Class I apparatus 
Class II apparatus 
 
Creepage distances and clearances 
between live parts and safety earthed 
parts (basic insulation) 
 
 
Creepage distances and clearances 
between live parts and not safety earthed 
accessible parts (reinforced or double 
insulation) 
 
 
Class II apparatus 
 
 
Creepage distances and clearances 
between live parts and not accessible 
parts (basic insulation) 
 
 
Creepage distances and clearances 
between not accessible parts and 
accessible parts (supplementary 
insulation) 
 
 
Creepage distances and clearances 
between live parts and accessible parts 
(reinforced or double insulation)   
Measured minimum distances: 
6,0 mm (pr-sec) 
6,2 mm (pr-accessible parts)   
 
Creepage distances and clearances 
measured whilst forces of 2N and 30N 
are applied   
No reduction of clearance/creepage distances when 
2N is applied on internal parts and 30N at the 
enclosure. 
 
 
Clearances and creepage distances of 
parts of different polarity directly 
connected to the mains, as in fig. 9; 
minimum distance      
Measured minimum distances: > 4,5 mm 
 
Clearances and creepage distances 
between conductors on printed circuit 
boards, one of which may be 
conductively connected to the mains, as 
in fig. 10 (overheating only) 
No overheating of conductors on PWB. 
 
 
IEC 60065, 6th edition : 1998
 - 
- Page 18 of 43 - 
 
 
   
 
Order No. 
200211175
 
 
 
 
13.3 
Enclosed, enveloped or hermetically 
sealed parts: clearances and creepage 
distances to Table 4   
No such parts in the apparatus 
13.4 
Parts filled with insulating compound, 
meeting the requirements of 8.8   
No components or subassemblies filled with 
compound. 
13.5 
Type B coated printed circuit boards 
complying with IEC 60 664-3 (basic 
insulation only)   
No type B coated PWB 
 
 
IEC 60065, 6th edition : 1998
 - 
- Page 19 of 43 - 
 
 
   
 
Order No. 
200211175
 
 
 
 
14 
COMPONENTS   
 
14.1 
Resistors
 
 
 
a) Resistors between hazardous live 
parts and accessible metal parts, or 
bridging contact gaps on mains switch.   
Bridging contact caps on mains relay RLY452. 
After standard mentioned 21 days damp heat and  
10kV discharge test, the value of resistance, not differ 
2% from the original value.           OK. 
See List of Critical Components. 
 
b) Resistors, other than between 
hazardous live parts and accessible 
parts   
No such resistors 
   
14.2 
Capacitors and RC units 
 
 
 
Capacitors separately approved   
Yes, see below 
14.2.1 
Y capacitors tested to IEC 384-14, 2nd 
edition      
 
14.2.2 
X capacitors tested to IEC 384-14, 2nd 
edition      
Capacitor C461 is X2, and 
Capacitors C451, C459, C460, C469, C470 is X1. 
Part No 
Manufacturer 
Value 
Type 
Marking 
Approved by 
C461 
Pilkor Elect. 
0.10 uF 275V 
PCX2 335M 
100nM 275V~X2 
S, VDE 
C451, C459, 
C460, C469 
C470. 
Korea Electronics.  
0.0047 uF 250V 
NU 
472M, X1/Y2 
N, S, VDE 
 
 
 
 
 
 
 
 
 
 
 
 
14.2.3 
Capacitors operating at mains 
frequency but not connected to the 
mains: tests for X2      
No such capacitors 
14.2.5 
Capacitors with volume exceeding 
1750 mm³, where short-circuit 
current exceeds 0,2 A: compliance 
with IEC 60 384-1, 4.38 category B 
or better      
No such capacitors 
 
 
Capacitors with volume exceeding 
1750 mm³, mounted closer to a 
potential ignition source than Table 5 
permits: compliance with 
IEC 60 384-1, 4.38 category B or 
better      
No such capacitors 
 
 
Shielded by a barrier to FV 0 or 
metal      
No barrier required. See above. 
 
IEC 60065, 6th edition : 1998
 - 
- Page 20 of 43 - 
 
 
   
 
Order No. 
200211175
 
 
 
 
14.3 
Inductors and windings 
 
 
14.3.1 
Transformers and inductors marked 
with manufacturer's name and type    
Type:   
“5541185A” for Main transformer, 
“55288770NR” for Sub transformer. 
 
Manufacturer’s name identification:   
“POWER TECHNICS CO.” for Main transformer, 
”POW” for Sub transformer. 
14.3.2. 
Transformer category 
Isolating transformer 
 
14.3.3-5 
Transformer construction 
See below. 
14.3.3.2 
Transformers meet the 
constructional requirements : 
See below. 
Transformer/motor 
Insulation 
Insulation 
Test 
Flashover 
Creepage distances 
Part No/markings 
between 
resistance 
voltage 
Breakdown 
and clearances 
 
 
  M Ohm 
kV(60)s 
voltage kV 
Measured 
Required   
5541185A *) 
Pr - sec 
> 100 
3KV(rms) 
> 8,0 mm 
> 6 mm 
 
 
 
 
 
 
 
55288770NR **) 
Pr - sec 
> 100 
3KV (rms) 
> 6,9 mm 
> 6 mm 
 
Pr - ic 
> 100 
3KV (rms) 
> 6,4 mm 
> 6 mm 
*) Main transformer,   **) Sub transformer 
 
Components / construction 
(Main transformer)
   
Concentric winding on an isolate iron core. At least 3 
layers of insulation between primary and secondary 
winding. 
 
Components / construction 
(Sub transformer)
   
Windings on single bobbins. A wall (2 layers) is provided 
between primary and secondary windings. Satisfactory 
constructed. Bobbin thickness : > 0,4mm. 
Transformer/mot
or 
Insulation 
Thickness (mm) 
Material 
Dielectric strength test 
Part 
No/markings 
between 
            X 
 
for each combination of 
 
 
    Number 
 
two (2) layers   
5541185A *) 
Pr - sec 
0,05 mm x 3 
Polyester film 
Pass  *) 
 
Pr - sec 
0,5 mm x 1 
P.T.F.E. Tube 
Pass  *) 
 
 
 
 
 
55288770NR **) 
Pr - sec 
0,50 mm min. x 2 
0,60 mm min. x 1 
PET bobbin wall 
66 nylon bobbin cap. 
Pass  *) 
 
Pr - ic 
0,80 mm min. x 1 
PET bobbin 
Pass  *) 
 
Pr - ic 
0,60 mm min. x 1 
66 nylon bobbin cap. 
Pass  *) 
*) Test voltage: 3000 Vrms.  
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