Toshiba THA-1001 User manual
Tra
ns
istor
Hea
ri
ng
.A
id
DISTRIBUTED
BY
Mo
I:
THA-100l
TRANS
IS
TOR
WORLD
C
ORP
ORATION
52,
Broadway,
New
York
4,
N.Y.
Manufactured
by
TOKYO
SHIBAURA
ELECTRIC
CO.,
LTD.
Prirllllld In J
ap
an 92269
..
...
-
TOS
HIBA
T
RANS
ISTOR
Here's
good
news
for people who
are
hard
of
hearing.
Toshiba's
eleetronics
and
acoustics
experts
ha
ve now pro-
duced a
revolutionary
hearing
aid
using
4
transistors
.
- 2 -
HEARING
AID
MODEL-
THA-l00l
This
hearing
aid
is
ultraminiature
in
size,
li
ght
and
beautifu
ll
y
desig
ned.
Your
hearing
worries
are
over
with
Toshiba's
latest
transistor
hearing
aid.
- 3 -
[1111
I
A
..
IN
STRUCTIONS FOR
USE
1.
For
Conversation
( 1 )
Tu
rn
the
mik
e·
telephone
sw
::ch to
the
P
luQ
Jack
MIC side
Tili,
can
ea
sily
be
done
with
a
fmgertip.
Next.
put
"PJ
ug
the e
ar
phone
in to the
ear
and
insert
th
e p
lu
g
into
the
jack.
Th
ere
4 -
is no
need
to
tak
e
out
the
plug
thereafter
unl
ess
when
changing
earph
ones.
Always
be
gu
re to hold
th
e
plug
whe
n pul l
ing
it
out
of the
ja
c
k.
Pulling
on
the
line
weakens
it
Th
e
plug
and
jack
are
des
igned
so
as not
Power"'OOd
Vo
lu
ml:'
to be easily
detachablc
·.
Control
$w!
lch
( 2 ) Be s
ure
tha
t
the
ea
rphon
e is
securely
in-
sert
ed
into
the
ear
If
loose.
howling
s
ounds
some
times
aris
e.
le
other
CO,$e
Eor
phone/
-
5-
~
3 )
Power
and
Volume
Control
Switch
Po
wer &
Vo
lum
e
The
same
switch
is
used
for
Ca
n rol S
wdch
both
power
and
vo
lume
control.
Therefore
,
the
power
is
turned
on by
turning
the
switch
with
the
thumb
In
the
directior
;
of
the
arrow.
A
light
click is
both
felt
and
audible
at
this
tim
e.
Ther
e
are
figures
on
the
dial
,
and
the
Jarger
the
figure
the
louder
the
sound.
Choose
the
figure
best
s
uited
to
your
h
ea
r-
ing.
6 -
2.
For
Telephoning
Th
e receiv
er
can
be
placed
near
the
mil<e (ce
nter
of
the
triangle
)
but
external
noise
s
will
also
be
heard
.
Therefor
e,
turn
th
e
switch
to
the
TEL
side.
Th
en
hold
the
teleph
one
receiver
up-
side
down
and
place the
he
aring
aid
close to
the
receiver
and
speak
into
the
speaker.
Other-
wise,
everything
is
the
sa
me
as
when
using
an
ordina
ry micro-
phone
.
Conver
sat
ion c
an
also
be
readily
carried
on
by
placing
the
hearing
aid
behind
the
tele
-
phone
.
-7-
-8-
3.
Tone
Control
Th
ere
are
t
wo
st
ages,
Hand
L, in the to
ne
control.
Th
e d
es
ir-
ab
le to
ne
can
be
obtai
ned
by
turning
the
cont
rol
swi
tch
wi
th
o
ne
's
fIl1g
f'J"lip.
..-
--..
H.
.High
ton
e
amplilier.
/
High
ton
es
are
clear.
I
\"\
L
.Low
tone
amplilier
. v
Lo"
to
ne
s
are
cl
ea
r.
4.
Changing
Batteries
Push
the
b
utt
on on
th
e t
op
back
side
oi
th
e
hear
i
ng
aid.
Th
e
metal
back
co,'er
\\'jll comeoff. P
ull
tile
rib
bo
n
and
the
dry
- 9
battery
comes ou t
eas
ily. B
efo
re
inserting
a n
ew
dry
battery,
polish both ends.
Make
sur
e
which
end is
positive
and
which
end
is
the
n
ega
tiv
e.
Th
en insert
th
e
dr
y
bat
tery by placi
ng
th
e
ribbon
unde
r it
an
d m
ak
i
ng
sure
that
it is
secure
ly
connected.
Wh
en
closing
the
meta
l
cover
in
se
rt
the
in
strudi
ng
part
on
the
lo
wer
end of
the
cover
i
nt
o
the
slot on
the
h
earing
aid
and
pus
h
the cover shut. It will lock
with
a c
li
ck.
5.
Molded
Earpiece
Th
e ea
rph
one
pr
ovided
w
ith
this
H
earing
A
id
is
designed
so th
at
a
stan
d
ard
mo
ld
ed
ear
piece will s
na
p
on
readily.
M
ost
metropolitan
ar
eas
h
ave
one
or
more con
cerns
who
specia
li
ze in molding
ear-
pieces to
yo
ur
ea
r.
Cons
u.lt
yo
ur
cla
ssified
telephone
dir
ec tory
or
local h
eari
ng
aid
cente r.
6.
Specifications
Tr
ansistors
u
sed:
2SB-
47
.....
1
trans
i
stor
2SB-54
...
..3
transi
stors
-
10-
Receive
r
ImpedancE' :
Dry
Battery:
Dimens
ions
:
V\
'e
i
ght
:
~
80
Q
dOOO
C
IS)
UM
-
3A
or
UM-3
(
1.
5V
) ...1
battery
Hei
ght
2.
9"
X
Widt
h
1.
9" X
Depth
0.7"
3
02S.
CIRCUIT
DIAGRAM
?;,.; 'S A J
...
...
AlIa
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