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C SAFETY PRECAUTIONS lfnis "safety precaution"
is applied only in U.S.A.)
1. BeÍore servicing, unplug the power cord to prevent an electric shock.
2. When replacing parls, use only manuÍacturer's recommended components íor saÍety.
3. Check the condition oÍ the power cord. Replace if wear or damage is evident.
4. AÍter servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5. BeÍore returning the serviced equipment to the customer, be sure to make the Íollowing insulation resistance
test to prevent the customer Írom being exposed to a shock hazard.
O INSULATION RESISTANCE TEST
1. Unplug the power cord and short the two prongs oÍ the plug with a jumper wire.
2. Turn on the power switch.
3. Measure the resistance value with ohmmeter between the jumpered AC plug and each exposed metal cabinet
part, such as screwheads antenna, control shaÍts, handle brackets, etc. Equipment with antenna terminals
should read between 3MO and 5.2MO to all exposed parts. (Fig. A) Equipment without antenna terminals
should read approximately inÍinity to all exposed parts. (Fig. B)
N o t e : S o m e ex po s ed p ar t s ma y
th e c ha ssi s by des i gn . T he se w i l l re ad
(F rg A )
Re sr s tanc e = 3 Me -5
2 MA
A nl cnn l
tcrmi nl l
E rg o scd
mcta l
g a Íl
1F rg B)
R esr stance = Appror
@
Er gosed
mol al
par l
4 . l Í t h e m ea s ur em e nt is
sh o ul d be r ep air ed a nd
s hock ha zard . T he equ i p m en t
b e is o la te d fr o m
i nÍ i n i t y.
@
w A R NT NG
Rtt t Cs an cl ma n y o th e r se mt -co n d uc t o í S a r e
s us ce p tr ble t o e le ct ro s ta t rc d rs ch a r g e s ( E S D1 .
C arel es s hand l in g d u rr n g í e p a rr c a n r e d u ce híe
c lra st rc all y .
Wh e n repair rng . ma ke su re t h a t y ou a r e
c onnec t ed wrt h th e s a m e p o t e n tt a l a s t h e m ass
O í t h e S el v ra ê w n st w rS g w rt h r e Sist a n c e .
K e e p c om ponen ts a n d t o o l s a l so a t t h r s
pote n tral
@
ArrENnoN
To u s l es lC et be a u co u p d 'a u t re s
S e ml - C OnduCt e u rs S O n t S e n S rb le s a u x
deëharges s t at rq u es (E S D ).
Leur l o ngevr te p o u Íra t t é t re c o n srd é r a b le m e n t
ec ourt ee par l e í a rt q u a u cu n e p re ca u t t o n n est
pÍr s e a leur ma nr pu l a t i o n .
L o rs de r eparat to n s . s' a s su re r d e b r e n è t re r elie
au m eme pot ent re l q u e l a m a ss e d e l' a p p a r erl e t
eníi ler fe brac et e t se rt t ct ' u n e ré srs t a n c e cle
s ecu r tte.
V e rll e r a c e que le s c o mp o s a n t s a r n si g u e t es
out rl s que l' on u tt l tse s o re n t e g a l e m e n t a ce
pc te n t rel
o uts id e th e s p e c ifi ed
r e ch e c k ed be for e it is
f imi ts, th e re i s a po ssi b i l t y of a
re tur ne d to th e cust o me r.
CAUTION :
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME ryPE 8OOmA,125V FUSE.
RE F E R R EP L AC E M E NT TO QU ALIFI ED SE R VI CE P E R S ON N E L.
@
wA R N UN G
A lle lCs un d vie le an dere H atbterter sr nd
e m p Íind lich ge g en etek tr ostatr sc he Enttadungen
(E S D).
Un so rg Ía lt ig e B e h andtung bei der Reparatur
ka nn d re Le b en sd au er dras tr sc h ver m rndern.
S o rg e n sre d a írir. d ass Sie im R epar aturíatl
u be r e ln P ulsar m b an d rnrt Wi der stand ml t dem
M a ssep o te n tr al de s Ger ates ver bunden sr nd.
h alte n Sie E au te r le u nd Hi lÍsm r ttel ebenÍal l s auí
dr ese m Po t en tr a l.
@
wAARscHUwrNG
Al le lC 's en vele ander e hatígetei der s z ij n
gevoelig yoor electrostatrsche onttadingen
( ESD) .
Onzor gvul dig behandelen ti jdens r epaíatre ka n
de lev ensduur dr astrs ch cl oen ver r nrnder en.
Zorg ervooÍ dat u tr;dens repaÍatie via een
pol sband m et weer stand ver bonden bent me t
hetz elÍde potentr aal als cte m assa v an het
a9par aat.
H oud componenten en hul pm rddel en ook op
di tzel íde potentr aal .
O
AV'E RnMEN To
Tuttr tC e parec cht sem t- condunon sono
sens rbr l i al le scanc he statac he ( ESD) .
La l oro l ongevita potr ebbe esseÍe íortemen te
ndEttS In c aso dr non os seívaz ione del la pr u
gr ande cauztone al l a l or o m anrpol aztone.
D urante te r i par azr oni oc coír e qur ndi ess ere
col legato al l o stesso potenzi ale che quell o de tla
m as sa clel l 'apparec chr o tr amr te un br ac cr alett o
a r ests tenza.
Ass rc urar si c he i c om ponenti e anche gl i uten srl i
con qual i si lavoÍa stano anche a ques to
potenz ial e.
PCS 79 262
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