Fig.
4-2.
Locntion
of
powor
stipply
test
poirila.
A
diode can be che~ked for an opori or a short circuit by
rneasuri~lg tho resistar?cc betweon tert~iinafs i~sirig ail
ohmr.r~oter on itlo
I?
x
1
k scale. The diode resistarico
st~otild be very
high
in
one direction and very low with ttw
meter leads revcrsod.
8,
Repair
and
Readjust
fhe
Circuif,
If
any defecfive
parts arc locatccl, fotlow tho replaccntcnt prococfttros
given
in
this sectiot?. Check the perforrllarlceof any circuit
that has been repaired or has had any electrical corn-
porients repiaced.
Check resistors with at1 ohtnrrmtor Scc thc Electrical
Parts i.ist for resistanco tolerances. f<osistors norniaily
need not be replaced unless the t~ieasured value varies
widely from the spccifiod value.
A
leaky or sitortecf capacitor can ttsitally bedetectod by
cfiecking resistance with an otln.trnetcr on tho highest
ratigo. (30 rmt oxcccrf tho voltago rating of tho capacitor
with tho internal ol~tnniotor battery. 'l'ho rosistanco
r0adii-t~ st~ould be
high
after initial chargeof thocapacitor
At1
open
capacitor
caii
bcst be detected wrth a
capacitarlco rrwtor.
Special tcctiriic~ires rrtcjitirocl to roptacc cornporiortts
in
tho ii~strtrtnont are given t~oro.
Obtaining
Roglacon~ent
Parts
All electrical and
mechanical
parts
replacement
for tho
314
can be obtained tiirough your 'Yektr'onix Field Office
or roprcscntativc, itowcvor, inst?y of the statidard oloc-
tricczl cort?pot~et~tsca~~ be otstained focally
in
loss timo than
is required to order from Tektronix, lnc. Before pirrckias-
ing an ordlriary part, check ttic parts llst for value,
toloratice, rating, and doscription.
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