16
The
recordi
ng
is very weak.
Ct>ed<
ltIal the
lape
is
not
""'
....
sod
The bacl<ground ooise
(lithe
tape
is higher
lIlan
""
"a
l.
The noise is irregular s
imiw
to a jet
ot
Sl"",,"
from a boiler and accompanied by droplets of
water.
~
may be thaI the recording
head
is
magnetIzed and should
be
demag
l1<lliz
ed by
appl
icatiOfl
of an alternating magnetic field. For
suc
h an
""",atioo
we rnanutaetu
l"9
a device called
MA
G.
Record
ing
defe
ct
with
a
microphon
e
The racorda. works with a dynamic
mic<'oprtooa
but
oot
w;
th a capacitor microphono.
oj if microphone ""'oteh 33 is in a
cor
r
ect
pos
lion
bl if !he
cspac
ito<
microphona is
(litho
type
"T"
oj il the mlerophon9
cab'"
is
of
the right type.
TI>9'" may be some eonfusion about t
hese
cabl9$. In
1957
we
chose
a wiring
standard
arbH,arily and since then have manufactUfad
Ihousaru:ts of
cabl911
.
I..ate<
. lEe standard 268 was
951ab1is
hod, different from
our
OIKW
e
flt
KlII
.
Th
us
two l)'pes of cables are no
..
in
USa.
K tile
cab'"
is
at the inoorrecl
type
the
powe,
supp
ly
polar
ity
to
the microflllO"" is
......
ersed.
Ttle sensitivity is . " ry low with a
dynamic
rrOcrop
hone.
Ch9d<
the
micf<Jpho
nll 8
&1ect
or.
The
mictophone
does not work during playback.
ct1eck that the " Play
ba&
k" switch is not on
"
lo
ud
spe
al<
e<
" as
in
lIl
is
ccsecn
the microp
hOO
9
pream
plit
.....
i, crscoorectec.
The headphone level Is 100
low
or too
loud
.
Adjust
with.
the trimmer "Headphone IllIIel adjust"
located on the main ci,cuil board.