PS Magazine - JULY 1982
PS, The Preventative Maintenance Monthly
ISSUE 356
JULY 1982
PRC Pointers .±.
On your back or in your vehicle, RT-
841 and ±t²505 receiver³´ransmi´´er
(RT) audio connec´ors need your pro³
can damage a connec´or. A loose RT
connec´or Le´s yoU ´wis´ and ´Urn
inside wiring. A cracked connec´or le´s
in mois´ure.
take care when you've already go´ a
handse´ or headse´ hooked up. Drop
µ
¶
ping ·em when you're ´hrough ´aLkiNg
can do in yoUr RT·s connec´ors, ´oo.
Audio accessories a´´ached ´o Your
backpack radio have panel guards for
pro´ec´ion.
Bu´ connec´ors s´ick Up over ´he
guards. If ´he se´ is slUng carelessly ´o
ground, a knock on ´he connec´or can
break ´he radio's Face¸
¹inaLLy, when you're ready ´o go
again, never hois´ ´he ºadio by an
an´enna or»cable.
. T)
s
¼½L ¾one? ±ep¿ace ´he se´Às carÁ ceL¿
cover or re´aining bar if i´ has onE.
Wi´hou´ ´heM, cards cÂn jigg¿e LooSe.
I ?-W.±>/
;!±²³´iµ¶·¸¹º»¼½1¾
this gives you poor con´ac´ or none a´
I
aLL. ô a¿so Le´s in dir´ and dÄs´ ´o shor´
HandLing Prin´ed circuiÅ cards, Like
´hose in yÆur tD³660 muL´ipLexer and
CV³1548 ´eLephone signa¿ conver´er,
you ou´.
´akes a p´ hand.
Wai´ one, ´ho. Before you Lay a gLove
on ·em, ´urn your gear off. ÇLugging
L²³´
in´o an opera´ing se´ can bLow your
cardÀS circui´s righ´ now.
Èow inser´ Éhose cards gen´Ly. Çins
are si´´ing ducks when sLamMed
home. Çush un´il yoÄ FeeL ´he pins
mee
Ê
´he recep´acles. Then sea´ ´he
card FirmLy.
INsErt
ca²ds
-,³´µ¶ca²efully
.±²³
´
Èever sLam or hi´ ´hem wi´h ´he
heeL of your hand ´o "be sureË.
Ãf you should bend a pin, ´ry
s´raigh´ening i´ wi´h a needlenose
pLiers before ge´´ing a new card.
A Ligh´ ´ouch is aÌso needeÁ on ´Íe
´es´ ring bu´´on of your CV-1548.
HoLding i´ for 10³15 seconds can
s´ar´ a chain reac´ion of ´roubLe.
·:¸_® ¹
;·± .
-
·.±i²³´
µ
¶l
L¸
HoLding i´ ´oo Long can burn ou´ ´he
18A3's R5 resis´or. tha´ can lead ´o a
burnedÎou´ ´ransis´or in your 18A2
paneL, which can lead ´o a bLown fuse
in your 18AÏ power suppLy.
±esis´ ´he ´emp´a´ion ´o overfuse,
sÂy wi´h a penny, paper cLip, or ´in Foil.
th´ couLd Lead ´o ÁaMage of cards,
Ð1548 or worse.
the simpLe way ´o head ofF ´his
ac´ion and reac´ion chain is ´o hoLd ´he
´es´
Ñ
bU´´Æn for 2 seconds, reLease for 5,
hoLd for 2, and so on un´i¿ you ge´ an
answer.
53
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