NOVA - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 77

 

TRF No. IEC
 

2.3.1 

2.3.2.1 

2.6.3.4 

4.2.8.1 

4.3.2 

5.1.8.3 

5.3.7 

 

6.4 

Annex EE 

M.2 

Annex 
NAD 

C60950_1C 

For TNV-2
signals an
Vd.c., the 
ohm resis
source wi
or 30 mA 
In the eve
circuits, th
accessible
Protective
protective
traces) ma
circuit tes
Enclosure
mm or mo
implosion
Equipmen
tests. 
Equipmen
ringing sig
measurem
Internal (e
printed wi
the opera
During ab
interrupte
shall be re
componen
Equipmen
telecomm
protected 
in accorda
Articulated
assessing
instead of
Continuou
permitted 
installatio
Equipmen
cable dist
earphone
comply w

2 and TNV-3

nd with voltag

 maximum a

stor (or great

th other load

d.c. under n

ent of a single

he limits of 2

e conductive

e bonding co

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ay be subjec

t conditions s

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ore reduce th

 of the CRT.

nt with handl

nt intended to

gnals comply

ment tests. 

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ring board co

tor and that d

bnormal oper

d by the ope

epeated twic

nts as neces

nt intended fo

munication ne

against ove

ance with 6.4

d accessibilit

g accessibility

f the Figure 2

us ringing sig

if the equipm

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nt connected
tribution netw

 intended to 

ith special ac

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acceptable cu

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ds disconnec

ormal operat

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e parts. 

nductors of n

nstructions (e

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specified. 

RTs with a fa

he risk of inju

es complies 

o receive tele

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onnectors th
deliver powe

rating testing

ening of a com
ce (three test

ssary 

or connection

etwork outsid

rvoltage from

4 and Annex

ty probe (Fig
y to docume

2A test finge

gnals up to 1
ment is subje

mance restri

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works and su

be held aga

coustic press

h other than 

ng 42.4 Vpea

urrent throug

ed across the
cted is 7.1 mA

ting conditio

een TNV and

o SELV Circu

non-standard

e.g., printed 

dditional limit

ace diameter
ury due to the

with special 

ecommunica

cial touch cur

rcuit connect

hat are acces

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g, if a circuit i

mponent, the

ts total) using

n to 

de plant cable

m power line 

x NAC. 

g EE.3) is use

ent/media shr

r. 

6 mA only a

ected to spec

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mmunication 

upplied with a

inst, or in the

sure requirem

ringing 

ak or 60 

gh a 2000 

e voltage 

A peak 

ns 

d SELV 

uits and 

d 

circuit 

ted short 

r of 160 

e 

loading 

ation 

rrent 

tors and 

ssible to 

aded. 

s 

e test 

g new 

e is 

crosses 

ed for 

redders 

re 

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and 

an 

e ear 
ments 

60486E-1