DOWNLOAD Harman Kardon HK 3390 Service Manual ↓ Size: 1.81 MB | Pages: 57 in PDF or view online for FREE

Model
HK 3390
Pages
57
Size
1.81 MB
Type
PDF
Document
EMC - CB Certificate
Brand
Device
Audio
File
hk-3390.pdf
Date

Harman Kardon HK 3390 EMC - CB Certificate ▷ View online

 
 
- Page 23 of 43 - 
 
 
 
 
 Report 
No. 
98502 
 
 
 
15.3 
Terminals for external flexible cords and for 
permanent connection to the mains supply 
 
15.3.1 
Adequate terminals for connection of permanent 
wiring 
Apparatus is not for  
permanent connection.
 
N/A 
15.3.2 
Reliable connection of non-detachable cords: 
.
 
 
Not soldered to conductors of a printed circuit 
board 
Not soldered
 
 
Adequate clearances and creepage distances 
between connections should a wire break away 
Wires are clamped two  
times to the contact  
terminal and provided with 
a two-pole connector
 
 
Wire secured by additional means to the 
conductor 
Adequately anchored.  
Tested with 5 N.
 
15.3.3 
Screws and nuts clamping conductors have 
adequate threads: ISO 261, ISO 262 or similar 
No screws and nuts  
clamping
 
N/A 
15.3.4 
Soldered conductors wrapped around terminal 
prior to soldering or held in place by additional 
means 
No soldered conductors.
 
N/A 
 
Clamping of conductor and insulation if not 
soldered or held by screws 
Clamped insulators and  
conductors
 
15.3.5 
Terminals allow connection of appropriate cross-
sectional area of conductors, for the rated current 
of the equipment 
Terminals have adequate  
connection capacity.
 
15.3.6 
Terminals to 15.3.3 have sizes required by table 16  
N/A 
15.3.7 
Terminals clamp conductors between metal and 
have adequate pressure 
No clamps.
 
N/A 
 
Terminals designed to avoid conductor slipping 
out when tightened or loosened 
 
N/A 
 
Terminals adequately fixed to avoid loosening 
when the clamping is tightened or loosened and 
stress on internal wiring is avoided 
 
N/A 
15.3.8 
Terminals carrying a current more than 0,2 A: 
contact pressure not transmitted by insulating 
material except ceramic 
No contact pressure trans
mitted through insulating
 
 
 
- Page 24 of 43 - 
 
 
 
 
 Report 
No. 
98502 
 
 
 
15.3.9 
Termination of non-detachable cords: wires 
terminated near to each other 
The termination of the 
contacts are in adequate  
proximity to each other.
 
 
Terminals located and shielded: test with 8 mm 
strand 
Clamped contacts within  
connector
 
N/A 
15.4 
Devices forming a part of the mains plug 
 
N/A 
15.4.1 
No undue strain on mains socket-outlets 
The apparatus is not a  
device forming a part of 
the mains plug.
 
N/A 
15.4.2 
Device complies with standard for dimensions of 
mains plugs 
 
N/A 
15.4.3 
Device has adequate mechanical strength (tests 
a,b,c) 
 
N/A 
 
 
 
 
16 
EXTERNAL FLEXIBLE CORDS 
 
16.1 
Mains cords sheathed type, complying with 
IEC 60227 for PVC or IEC 60245 for synthetic 
rubber cords  ......................................................... : 
Sheathed PVC cord 
complying with IEC 60227 
 
Non-detachable cords for Class I have 
green/yellow core for protective earth 
Class II apparatus
 
N/A 
16.2 
Mains cords conductors have adequate cross-
sectional area for rated current consumption of 
the equipment 
The cord is min. 0,75mm², 
within the current rating 
16.3 
a) Flexible cords not complying with 16.1, used for 
interconnections between separate units of 
equipment used in combination and carrying 
hazardous live voltages, have adequate dielectric 
strength 
 
No interconnecting cables 
comprising hazardous live 
conductors.
 
N/A 
 
b) Flexible cords not complying with 16.1, 
withstand bending and mechanical stress (3.2 of 
IEC 60227-2) 
Cord complying with 16.1.
 
N/A 
16.4 
Flexible cords used for connection between 
equipment have adequate cross-sectional areas to 
avoid temperature rise under normal and fault 
conditions 
Cords have adequate 
cross-sectional areas to  
avoid temperature rise under 
normal and fault conditions. 
 
 
- Page 25 of 43 - 
 
 
 
 
 Report 
No. 
98502 
 
 
 
16.5 
Adequate strain relief on external flexible cords 
Cord clip wedged in the 
enclosure 
 
Not possible to push cord back into equipment 
Checked by inspection
 
 
Strain relief device unlikely to damage flexible 
cord 
No sharp edges
 
 
For mains cords of Class I equipment, hazardous 
live conductors become taut before earth 
conductor 
Class II apparatus.
 
N/A 
16.6 
Apertures for external flexible cord: no risk of 
damage to the cord during assembly or movement 
in use 
No sharp edges
 
N/A 
16.7 
Transportable musical instruments and amplifiers 
fitted with detachable cord set with appliance inlet 
to IEC 60320-1 
The apparatus is not a  
transportable musical 
instrument and amplifier
 
N/A 
 
Transportable musical instruments and amplifiers 
fitted with detachable cord sets or with means of 
stowage to protect the cord 
The apparatus is not a 
transportable musical 
instrument and amplifier
 
N/A 
 
17 
ELECTRICAL CONNECTIONS AND MECHANICAL FIXINGS 
 
17.1 
Torque test to table 20: 
Screws fixing chassis to the
 main enclosure tested.
 
 
- screws into metal: 5 times 
See attachment, Table to 
EN/IEC 60065 7
th
 edition. 
 
- screws into non-metallic material: 10 times 
 
N/A 
17.2 
Correct introduction into female threads in non-
metallic material 
No female threads in  
non-metallic materials 
N/A 
17.3 
Cover fixing screws: captive 
Captivity not necessary
 
 
Non-captive fixing screws: no hazard when 
replaced by a screw whose length is 10 times its 
diameter 
Tested with screw with  
10 times diameter.
 
17.4 
No loosening of conductive parts carrying a 
current > 0,2 A 
Loosening is sufficiently 
prevented 
17.5 
Contact pressure not transmitted through plastic 
other than ceramic for connections carrying a 
current > 0,2 A 
No contact pressure  
transmitted through  
insulating material. 
 
 
 
- Page 26 of 43 - 
 
 
 
 
 Report 
No. 
98502 
 
 
 
17.6 
Stranded conductors of flexible supply cords 
carrying a current > 0,2 A with screw terminals not 
consolidated by solder 
No screw terminals.
 
N/A 
17.7 
Cover fixing devices other than screws have 
adequate strength and their positioning is 
unambiguous 
No cover fixing devices  
other than screws
 
N/A 
17.8 
Fixing devices for detachable legs or stands 
provided 
No detachable provided
 
N/A 
17.9 
Internal pluggable connections, affecting safety, 
unlikely to become disconnected 
Connections complies, 
checked by inspection
 
 
 
 
 
18 
MECHANICAL STRENGTH OF PICTURE TUBES AND PROTECTION AGAINST 
THE EFFECTS OF IMPLOSION 
 
 
Picture tube separately approved to IEC 61965: 
No picture tube.
 
N/A 
 
Picture tube separately approved to 18.1  ..........  
 
N/A 
18.1 
Picture tubes > 16 cm intrinsically protected 
 
N/A 
 
Non-intrinsically protected tubes > 16 cm used 
with protective screen 
 
N/A 
 
Protective film as part of implosion protection: 
edges covered by enclosure 
 
N/A 
18.2 
Intrinsically protected tubes: tests on 12 samples
 
N/A 
18.2.1 
Samples subject to ageing: 6 
 
N/A 
18.2.2 
Samples subject to implosion test: 6 
 
N/A 
18.2.3 
Samples subject to mechanical strength test 
(steel ball): 6 
 
N/A 
18.3 
Non-intrinsically protected tubes tested to 18.3 
 
N/A 
 
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