DOWNLOAD Harman Kardon HK 3770 (serv.man2) Service Manual ↓ Size: 8.42 MB | Pages: 93 in PDF or view online for FREE

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HK 3770 (serv.man2)
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EMC - CB Certificate
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Harman Kardon HK 3770 (serv.man2) EMC - CB Certificate ▷ View online

  
Page 13 of 51
Report No 248607.
 
  
 
 
 
 
 
IEC 60065 
Clause 
Requirement + Test 
Result - Remark 
Verdict
 
TRF No. IEC60065K 
 
Electric shock hazard under normal operating conditions 
 
9.1 
Testing on the outside 
P 
9.1.1 
For voltages >1000 V ac or >1500 V dc complies 
with clause 13.3.1 for basic insulation  
No voltage >1000 V ac or 
>1500 V dc 
N/A 
9.1.1.1 
a) Open circuit voltages  
Mains input voltage 
>35 V ac, see below. 
 
 
b) Touch current measured from terminal devices 
using the network in annex D  ................................ : 
U1: Max. 0.68 V (peak) 
U2: Max. 0.31 V (peak) 
(Tested at 264 V/ 60 Hz) 
P 
 
c) Discharge not exceeding 45 μC  
No part or contact of a 
terminal with stored voltages 
between 60 V – 150 kV. 
N/A 
 
d) Energy of discharge not exceeding 350 mJ  
No part or contact of a terminal 
with stored voltages exceeding 
15 kV. 
N/A 
9.1.1.2 
Test with test finger and test probe  
No access to hazardous 
live parts. 
P 
9.1.2 
No hazardous live shafts of knobs, handles or levers  No live shafts of knobs, 
handles or levers. 
N/A 
9.1.3 
Ventilation holes and other holes tested by means of 
4 mm x 100 mm test pin  
No access for the test pin. 
P 
9.1.4 
Terminal devices tested with 1 mm x 20 mm test pin 
(10 N); test probe D of IEC 61032  
Does not reach hazardous 
live parts. 
P 
 
Terminal devices tested with 1 mm x 100 mm 
straight wire (1 N); test probe D of IEC 61032  
Does not reach hazardous 
live parts. 
P 
9.1.5 
Pre-set controls tested with 2.5 mm x 100 mm test 
pin (10 N); test probe C of IEC 61032  
No pre-set controls. 
N/A 
9.1.6 
No shock hazard due to stored charge on withdrawal 
of the mains plug; voltage (V) after 2 s  .................. : 
32 V dc after 2 s, 
Bleeder resistor provided. 
See clause 14.1 b), and 
appended table, list of critical 
components. 
P 
 
If C is not greater than 0,1 μF no test needed  
>0,1 μF 
N/A 
9.1.7 
Resistance to external forces 
 
P 
 
a) Test probe 11 of IEC 61032 for 10 s (50 N)  
Test with test finger results 
in no hazard. 
P 
 
b) Test hook of fig. 4 for 10 s (20 N)  
Test with test hook results 
in no hazard. 
P 
 
c) 30 mm diameter test tool for 5 s (100 or 250 N)  
Tested 100 N result in no 
hazard. 
P 
9.2 
No hazard after removing a cover by hand  
No cover removable by hand 
N/A 
 
  
Page 14 of 51
Report No 248607.
 
  
 
 
 
 
 
IEC 60065 
Clause 
Requirement + Test 
Result - Remark 
Verdict
 
TRF No. IEC60065K 
 
10 Insulation 
requirements 
 
10.1 
Insulation resistance (MΩ) at least 2 MΩ min. after 
surge test for basic and 4 MΩ min. for reinforced 
insulation  ................................................................. : 
Basic: >2.6 MΩ, 
Reinforced: >5.2 MΩ after 
surge test. 
P 
10.2 
Humidity treatment 48 h or 120 h  .......................... : 
Performed for 120 h at temp. 
40 ºC and humidity 93 %. 
P 
10.3 
Insulation resistance and dielectric strength between 
mains terminals  
(see appended table 10.3) 
P 
 
Insulation Resistance and dielectric strength across 
BASIC or SUPPLEMENTARY insulation (Class I)  
Class II apparatus 
N/A 
 
Insulation resistance and dielectric strength across 
REINFORCED insulation (Class II)  
(see appended table 10.3) 
P 
 
11 Fault 
conditions 
 
11.1 
No shock hazard under fault condition  
No electric shock hazard 
under fault conditions. 
P 
11.2 
Heating under fault condition  
(see appended table 11.2) 
P 
 
Flames extinguish within 10 seconds  
No flames. 
P 
 
No hazard from softening solder  
No softening solder. 
P 
 
Soldered terminations not used  as protective 
mechanism  
No soldered terminations. 
P 
11.2.1 
Measurement of temperature rises  
(see appended table 11.2) 
P 
11.2.2 
Temperature rise of accessible parts  
(see appended table 11.2) 
P 
11.2.3 
Temperature rise of parts, other than windings and 
printed boards, providing electrical insulation 
(see appended table 11.2) 
P 
11.2.4 
Temperature rise of parts acting as a support or  
mechanical barrier  
(see appended table 11.2) 
P 
11.2.5 
Temperature rise of windings  
(see appended table 11.2) 
P 
11.2.6 
Temperature rise of printed boards shall not exceed 
the limits of table 3 by max. 100 K for max. 5 min 
No exceeding the limits of 
Table 3. 
N/A 
 
Printed circuit boards (PCB) classified as V-0 
according to 60695-11-10 or Clause G.1 may 
exceed the limit in table 3 in case a) and b): 
 
N/A 
 
a) Temperature rise of printed circuit boards 
exceeding the limits of table 3 by not more than 
100 K for an area not greater than 2 cm²  ................ :
No area where temperature 
exceeds 100 K above limits. 
N/A 
 
b) Temperature rise of printed circuit boards 
exceeding the limits of table 3 up to 300 K for an 
area not greater than 2 cm² for a maximum of 5 min 
No area where temperature 
exceeds 300 K above limits. 
N/A 
 
Meets all the special conditions if conductors on 
printed circuit boards are interrupted  
No conductors are 
interrupted/peeled/loosened 
during fault conditions. 
N/A 
  
Page 15 of 51
Report No 248607.
 
  
 
 
 
 
 
IEC 60065 
Clause 
Requirement + Test 
Result - Remark 
Verdict
 
TRF No. IEC60065K 
 
 
Class I protective earthing maintained  
Class II apparatus 
N/A 
11.2.7 
Temperature rise of parts not subject to the limits of 
11.2.1 to 11.2.6 shall not exceed the limits in table 3, 
item e), "Fault conditions". 
(see appended table 11.2) 
P 
 
12 Mechanical 
strength 
 
12.1.1 
Bump test where mass >7 kg  
Mass: 5.0 kg 
N/A 
12.1.2 
Vibration test  
Assessed to be 
satisfactory constructed. 
P 
12.1.3 
Impact hammer test  
No damage in the sense of 
this standard. 
P 
 
Steel ball test  
No damage in the sense of 
this standard. 
P 
12.1.4 
Drop test for portable apparatus where mass ≤ 7 kg  No portable apparatus. 
N/A 
12.1.5 
Thermoplastic enclosures stress relief test  
No risk of shrinkage or 
distortion on enclosure. 
P 
12.2 
Fixing of knobs, push buttons, keys and levers  
Normal use will not impair 
the protection against 
electric shock. 
P 
12.3 
Remote controls with hazardous live parts  
No remote control containing 
hazardous live parts. 
N/A 
12.4 
Drawers (pull test 50 N, 10 s)  
No drawers 
N/A 
12.5 
Antenna coaxial sockets providing isolation  
No such antenna coaxial 
sockets. 
N/A 
12.6 
Telescoping or rod antennas construction  
No telescoping or rod 
antennas. 
N/A 
12.6.1 
Telescoping or rod antennas securement  
 
N/A 
 
13 
Clearances and creepage distances 
 
13.1 
Clearances in accordance with 13.3  
See 13.3 
P 
 
Creepage distances in accordance with 13.4  
See 13.4 
P 
13.2 
Determination of working voltage  
Conventional transformer 
used. Upper rated supply 
voltage. (240 V) applied in 
determining the working 
voltage 
P 
13.3 
Clearances  
2 N for internal parts and 30 N 
for enclosure are considered 
when determining clearances. 
P 
13.3.1 General 
 
Considered. 
P 
13.3.2 
Circuits conductively connected to the mains comply 
with table 8 and, where applicable, table 9 ............ : 
(see appended table 13) 
P 
13.3.3 
Circuits not conductively connected to the mains 
comply with table 10  
No hazardous secondary 
voltages. 
N/A 
  
Page 16 of 51
Report No 248607.
 
  
 
 
 
 
 
IEC 60065 
Clause 
Requirement + Test 
Result - Remark 
Verdict
 
TRF No. IEC60065K 
 
13.3.4 
Measurement of transient voltages  
No measurement of transient 
voltages. 
N/A 
13.4 
Creepage distances  
CTI > 100 
(see appended table 13) 
P 
 
Creepage distances greater than table 11 minimum 
values  
Not applicable. 
N/A 
13.5 
Printed boards  
Refer to below 
N/A 
13.5.1 
Clearances and creepage distances between 
conductors on printed circuit boards, one of which 
may be conductively connected to the mains, as in 
fig. 10  
No such PCB used 
N/A 
13.5.2 
Type B coated printed circuit boards complying with 
IEC 60664-3 (basic insulation only)  
No type B coated printed  
circuit boards. 
N/A 
13.6 
Conductive parts along uncemented joints 
clearances and creepage distances comply with 
13.3 and 13.4  
Jointed insulation not applied. 
N/A 
 
Conductive parts along reliably cemented joints 
comply with 8.8  
 
N/A 
 
Temperature cycle test and dielectric strength test  
 
N/A 
 
500V test for transformers, magnetic coupler and 
similar devices, if insulation is relied upon for safety 
 
N/A 
13.7 
Enclosed, enveloped or hermetically sealed parts 
not conductively connected to the mains, clearances 
and creepage distances as in table 12  
No such part used. 
N/A 
13.8 
Parts filled with insulating compound, meeting the 
requirements of 8.8  
Approved optocouplers. 
See appended table, list of 
critical components. 
P 
 
14 Components 
 
14.1 Resistors 
 
 
P 
 
a) Resistors between hazardous live parts and 
accessible metal parts  
No such resistors. 
N/A 
 
b) Resistors, other than between hazardous live 
parts and accessible parts  
Bleeder resistor, RX93. 
(Connected between Live and 
Neutral after mains fuse, 
certified component by VDE) 
See appended table, list of 
critical components. 
P 
 Resistors 
separately approved  .............................. : 
RX93. 
See appended table, list of 
critical components. 
P 
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