Repair Notes - Icom IC-821H Service Manual

INTRODUCTION
This ...... "' ..... ldl!:>i: : I lhelalesl seMce illoom irlllllot
the
le·821H VHflUHF ALL MODE
TRANSCEIVER.:
the
6,.. 01
pubIicaIion.
To upgrade qualit1. any
el.c~W
0<
me<:hanCal 1>'1'11
8<>d
inWnaI
~;n;I>II.
ate ,ubi"'" to change
willIout
Mlice o.
~;gat;on.
ORDERING PARTS
ee 5U'. 10 include Ihe (," low ing (OU , poinl' when o<de rinij
r~",*"" nl pa~"
I. lo-digil
O<det n"",b.n
2.
c..., ....
"."t
poan
numbe<
8<>d
name
3.
Equipment model
name
and ....
~
"""'"
4. Ouanbly
"",.qd
<SAMPLE ORDER:>
s..:: " - _
~lH ......,. .....-r
$ _
_ FHW . U K
~lH
Tq> .... 1 0 _
""d'""1
are p'oYkIeo on
tl\e
il\$ide
Mock ~,
tor
)'OU'
con.e".o"ce.
DANGER
I'IeVeR (;()n l8Cl lhe lIal'll<:eno,. 10 an AC outle1 01' 10 a DC
po_
supply thai uses /IIOfe than
1«1 V. Th, ..... 1
ruin the
Itam+ ', ...
DO I'IOT (!lipase !he tfansceMlf 10 ..... _ _
01'
any:q .....
DO NOT ' ......
u
lhe f>Ola'iliet 01 lilt POWe'
. up;>!, wilen
connecting
the tfansceiv ..
DO
I'IOT
IIPPIY an RF ....,31 01 more Ihan 20
dam
I I 00 mWl
to
tilt an:en na coone<:lo<. This could da"'age the I , a n ~ er"
1'001
end.
REPAIR NOTES
I. Make .",e a p«)blem is
inlemal belo<e
d ; salll~ mbl i ng
!he
lra n ~ .
2. DO I'IOT 0!lI'" the Uansceive' unlil (he tl an_i,e, is
disconnec\ed Irc.-n
ilS
power
soun::e.
3. 00 NOT fon::e....,.,.. 0I1he
,ariab!e
00I';"',,,_ ••
,1S.
Tum 1I>em
~ard
..
'IO<lIi~".
•. OOl'lOT shottanyC>-CUlso<elec\t(lnCl*\I. M~
1unong tool MUST
tNt.-
tor .. ...., _ _ .
S.
DO
NOT k ee:> POW" ON fo< • long time .. hen the
".,,,,, ,'", is
d,. : :r ....
6. 00 NOT
\r.ItI$fM
pOWef
inIo a
sq.aI goII'*alOl'
0<
a ... I IP
--
7. A~WA VS connec! a 50 dB 10 eo dB aHenualo< be:.. e,,,
!he tr..-..ceivet and
a
deviatioomelet
Ot
specltvm~
..
_ using
suc/11e51
equipment.
8. READ
the
instn>elioo. 01 te&1 equiprl'lenl V\C<O\9" ~ before
connecti 11\1 equipment to
lloe
transceiver.