Harman Kardon AVR 170 (serv.man4) EMC - CB Certificate ▷ View online
Anam Electronics Co., Ltd. Page 9 of 61
AVR 170/230
EMC Test Report
Reference No.: NK-12-E-341
3.7 Test Set-up Drawing
Fig.1. ITE mode
Fig.2. AV mode
LCD
Monitor
EUT
HDMI 1
Headphone
USB Memory
Cable open
Termination 1
Termination (75Ω)
Switch
AUX Open
I/O Cable
Power Cable
Termination 1 : PRE-OUT, COAXIAL, COMPOSITE, REC OUT, ANALOG x 2 EA
Termination 2 : Speaker (Front –L/R, Surround-L/R, Center)
Cable open : HDMI x 6 EA, Trigger, IR IN, RS-232
LCD
Monitor
EUT
Cable open
Switch
I/O Cable
Power Cable
Termination 1 : PRE-OUT, COAXIAL, COMPOSITE, REC OUT, ANALOG
Termination 2 : Speaker (Front-L/R, Surround-L/R, Center)
Cable open : HDMI x 6 EA, Trigger, IR IN, RS-232
Termination 2
Oscilloscope
RS Oscillator
Termination 2
Termination
USB Memory
Headphone
AUX Open
HDMI 1
Termination (75Ω)
Anam Electronics Co., Ltd. Page 10 of 61
AVR 170/230
EMC Test Report
Reference No.: NK-12-E-341
4. Evaluation Of Performance
4.1 Functions Monitored During Immunity Tests
In order to verify acceptable performance by the EUT during the applied tests, the following
functions were monitored:
●Performance of EUT according to the manufacturer specifications
4.2 Function Tested After Immunity Tests
The following function tests were conducted to verify correct performance by the EUT before and
after each test:
●Performance of EUT according to the manufacturer specifications
4.3 Performance Criteria
4.3.1 Compliance criteria for EN 55024
●Criteria A
The equipment shall continue to operate as intended without operator intervention. No degradation of
performance or loss of function is allowed below a performance level specified by the manufacturer
when the equipment is used as intended. The performance level may be replaced by a permissible loss
of performance. If the minimum performance level or the permissible performance loss is not specified
by the manufacturer, then either of these may be derived from the product description and
documentation, and by what the user may reasonably expect from the equipment if used as intended.
●Criteria B
After the test, the equipment shall continue to operate as intended without operate intervention. No
degradation of performance or loss of function is allowed, after the application of the phenomena
below a performance level specified by the manufacturer, when the equipment is used as intended. The
performance level may be replaced by a permissible loss of performance.
During the test, degradation of performance is allowed. However, no change of operating state or
stored data is allowed to persist after the test.
If the minimum performance level (or the permissible performance loss) is not specified by the
manufacturer, then either of these may be derived from the product description and documentation, and
by what the user may reasonably expect from the equipment if used as intended.
●Criteria C
Loss of function is allowed, provided the function is self-recoverable, or can be restored by the
operation of the controls by the user in accordance with the manufacturer’s instructions.
Functions, and/or information stored in non-volatile memory, or protected by a battery backup, shall
not be lost.
Anam Electronics Co., Ltd. Page 11 of 61
AVR 170/230
EMC Test Report
Reference No.: NK-12-E-341
4.3.2 Compliance criteria for EN 55020
●Criteria A
The equipment shall continue to operate as intended during the test.
No change of actual operating state (for example change of channel) is allowed as a result of the
application of the test.
Multifunction equipment shall for each function meet the relevant requirements. Evaluation is carried
out for audio and video functions. The equipment is supposed to operate as intended if the criteria of
① and/or ② are fulfilled.
① Evaluation of audio quality
Unless otherwise specified in this standard, the criterion of compliance with the requirement is a
wanted to unwanted audio signal ratio of ≥40 dB at a wanted audio signal level of 50 mW, or at
another audio signal level specified by the manufacturer. If the S/N ratio is less than 43 dB, the
performance criterion for audio assessment is the actual S/N ratio minus 3 dB. In this case, at the
beginning of the audio quality evaluation the actual S/N ratio is measured and noted in the test report
as reference value. For AM sound receivers the criterion is ≥26 dB at 50 mW. For AM and FM car
radios and for broadcast receiver cards for computers the criterion is ≥26 dB at 500 mW.
No change of actual operating state (for example change of channel) is allowed as a result of the
application of the test.
Multifunction equipment shall for each function meet the relevant requirements. Evaluation is carried
out for audio and video functions. The equipment is supposed to operate as intended if the criteria of
① and/or ② are fulfilled.
① Evaluation of audio quality
Unless otherwise specified in this standard, the criterion of compliance with the requirement is a
wanted to unwanted audio signal ratio of ≥40 dB at a wanted audio signal level of 50 mW, or at
another audio signal level specified by the manufacturer. If the S/N ratio is less than 43 dB, the
performance criterion for audio assessment is the actual S/N ratio minus 3 dB. In this case, at the
beginning of the audio quality evaluation the actual S/N ratio is measured and noted in the test report
as reference value. For AM sound receivers the criterion is ≥26 dB at 50 mW. For AM and FM car
radios and for broadcast receiver cards for computers the criterion is ≥26 dB at 500 mW.
② Evaluation of picture quality
In the evaluation of picture interference the wanted test signal produces a standard picture (in the case
of video tape equipment on the screen of the test-tv-set) and the unwanted signal produces a
degradation of the picture. The degradation may be in a number of forms, such as a superposed pattern,
disturbance of synchronization, geometrical distortion, loss of picture contrast, of colour, etc. The
criterion of compliance with the requirement is just perceptible degradation by observation of the
picture. The screen shall be observed under normal viewing conditions (brightness 15 lx to 20 lx), at a
viewing distance of six times the height of the screen. The picture quality can also be evaluated by
using objective measurement methods; one such method is described in Annex K. In the case of video
tape equipment the test criteria relate to the picture, assessed on a test-tv-set, which is connected to the
video output terminal of the equipment.
In the evaluation of picture interference the wanted test signal produces a standard picture (in the case
of video tape equipment on the screen of the test-tv-set) and the unwanted signal produces a
degradation of the picture. The degradation may be in a number of forms, such as a superposed pattern,
disturbance of synchronization, geometrical distortion, loss of picture contrast, of colour, etc. The
criterion of compliance with the requirement is just perceptible degradation by observation of the
picture. The screen shall be observed under normal viewing conditions (brightness 15 lx to 20 lx), at a
viewing distance of six times the height of the screen. The picture quality can also be evaluated by
using objective measurement methods; one such method is described in Annex K. In the case of video
tape equipment the test criteria relate to the picture, assessed on a test-tv-set, which is connected to the
video output terminal of the equipment.
●Criteria B
The equipment shall continue to operate as intended after the test. No loss of function is allowed after
the test when the apparatus is used as intended, but failures which are recovered automatically but
which cause temporary delay in processing, are permissible. No change of actual operating state for
example change of channel or stored data and settings is allowed as a result of the application of the
test. During the test, degradation of performance is allowed.
the test when the apparatus is used as intended, but failures which are recovered automatically but
which cause temporary delay in processing, are permissible. No change of actual operating state for
example change of channel or stored data and settings is allowed as a result of the application of the
test. During the test, degradation of performance is allowed.
4.4 Measurement Uncertainty
The result of measurements of emissions from ITE shall reference the measurement instrumentation
uncertainty considerations contained in CISPR 16-4-2.
uncertainty considerations contained in CISPR 16-4-2.
●EMCIT document 93/30
●NAMAS Information Sheet NIS81, Ed.1 May 1994
●NAMAS Information Sheet NIS81, Ed.1 May 1994
(The treatment of uncertainties in EMC measurement).
The measurement uncertainty is not considered when deciding PASS or FAIL against the limit lines.
This means that “shared risk” (according to NAMAS publication NIS81 4.2) is used as option
Criterion. The argument for using this method, is that it is commonly accepted that the EMC limits
have already taken common good laboratory practice.
This means that “shared risk” (according to NAMAS publication NIS81 4.2) is used as option
Criterion. The argument for using this method, is that it is commonly accepted that the EMC limits
have already taken common good laboratory practice.
4.5 Final Decision
The equipment under test complies to all requirements of the applied test standards.
Anam Electronics Co., Ltd. Page 12 of 61
AVR 170/230
EMC Test Report
Reference No.: NK-12-E-341
5. Standards, Deviations and Results
5.1 Applied Test Standards
The following standards have been applied:
●EN 55022: 2006+A1: 2007 (Class B) :
Limits and methods of measurement of radio disturbance characteristics of information technology
Equipment.
Phenomena Basic
Standards
Result
Conducted Disturbance at the mains ports
EN 55022: 2006+A1: 2007
Pass
Conducted Disturbance at the
telecommunication ports
EN 55022: 2006+A1: 2007
Pass
Radiated Disturbance (Below 1 GHz)
EN 55022: 2006+A1: 2007
Pass
Radiated Disturbance (Above 1 GHz)
EN 55022: 2006+A1: 2007
Pass
●EN 55024: 1998+A1: 2001+A2: 2003:
Information technology equipment- Immunity characteristics limits and methods of measurement
Phenomena Basic
Standards
Result
Electrostatic Discharge
EN 61000-4-2: 2009
Pass
Electromagnetic Field
EN 61000-4-3: 2006+A1: 2008+A2: 2010
Pass
Electric Fast Transients/Burst
EN 61000-4-4: 2004+A1:2 010
Pass
Surge EN
61000-4-5:
2006
Pass
Immunity to Conducted Disturbances
EN 61000-4-6: 2009
Pass
50 Hz Magnetic Field
EN 61000-4-8: 2010
N/A
Dips/Interruptions EN
61000-4-11:
2004
Pass
● EN 55020: 2007:
Electromagnetic immunity of broadcast receivers and associated equipment
Phenomena Basic
Standards
Result
(S1)Input immunity to RF voltages
EN 55020: 2007
N/A
(S2a)Immunity to RF voltages
EN 55020: 2007
N/A
(S2b)Immunity to RF voltages
(in common mode)
EN 55020: 2007
N/A
(S3) Immunity from radiated fields
EN 55020: 2007
N/A
(S4)Screening effectiveness
EN 55020: 2007
N/A
(S6)Immunity to ambient
electromagnetic fields
EN 55020: 2007
N/A
Electrostatic Discharge
EN 61000-4-2: 2009
Pass
(S5)Electromagnetic Field, keyed carrier
EN 61000-4-3: 2006+A1: 2008+A2: 2010
Pass
Electric Fast Transients/Burst
EN 61000-4-4: 2004+A1: 2010
Pass
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