Specifications

F
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MINOR
REPAIRS
OF
PROJECTOR
TROU-Bln
The rootor
w111
not
rurt,
f l,ro clrnhnoann6 dnac
nn+ l i ml"t
Lttu -utvuu-uuvg uvgD tfvu
1I<i]
u.
no
current
is reaching the
projector.
The
motor
stops as soon
as the
switch
i s set to
rr
I
anntr
q11
.
Tha I
qmn
dnoq nn*
'l-i
ohi rrn
v 416rr u
uP.
The motor nlr1s, but the
lamp 6e""
rtoa
-1
i -1.r* rrn
-+=69_9__-t4.H.l-
The mninr :ni nrnioniinn lqmn lrnfh
",, oDe-
rate,
but
the control
panel
does
not
I iqht rrn r"rhon the
VQLLTlvlE
control
iS
sr^ritched on.
The
control
panel-
d.oes
not tisht
uo.
afthough
the anpLifier works,
The
screen
is
r.msufficientfv
lighted.
The
pointer
of
the ammeter
does
not reach
the red dot
(1000
or
IJA
.,r
depending
on
the type of lamp),
when
the rheostat
knob is
tr.rned fullv
in
a
clockwise
d irection.
The
screen
is
ulevenlv
itluminated.
PROBABIE
CAUSES
-
The
house
fuses
have
burnt out.
-
The
connection
cord
is faulty.
-
fhe
transformer
cord ls
faulty.
-
The
transformer
fuse
has
burnt out.
o:r.
the sefector
plug
is r_utscrewed.
The
horrse fuses
have
burnt
out,
they are
not strong
enough
to
take
the current
drawn
by
the
projector (see
page
5).
Faulty
projection
lamp
(filament
burnt out).
To
change
the -Lamp,
see
page
2!.
The
amplifier
fuse
has
burnt
out. Check
the
voltage
with a
voltmeter
(see
page
29)
and
change
the
fuse.
The
control
panel
light
is faulty.
To
change
it, see
page
30.
-
The
projection
is
din
(glass
bulo
blackened).
Change
the
lamp.
-
The
supply
voltage
is
too
lorr. Check
it
with a voltmeter.
-
The
projection
lamp
filament
is
not
centered
(see
page
2g).
-
The
lamp
is
not turned
in
the
proper
dj-rection
on its
stand
(see
page
29).
-
There
is ilirt
on
the
projection
lens,
the
conclenser
or the
reffector
(see
p.
27-28),
-
The
screen is
of
poor
quality,
-
The
room
is
not
dark
enough.
-
Th^
rear
len:
element
of
the
projection
lens
is
moist
from
condensation. Keep
the
n
rn
i
6af
nr nrnn-i
no f nn
qnmo
mi nrrf
pr \/JUUUUj
tWulr-^b
,--
---- .-r,,*-es,
rrrhi_ler
the lanp
is lit. If
necessary,
clean
the lens gently
with
a cfean
cl-oth
or
the
special
paper
sold
in
the
photo
st
ores
.
-
The
film
is of
poor
quality.
-
?he
film is
d.irty. Clean
il with
a
special
cleanser,
obtainable
in
photo
stores.
-
Ihe
film
ls
damaged
or its
quality
is
poor.
-
The
gate
is
gu,mmed
up with emu1sion
deposits
(see
page
2J).
-
Tho film ic noJ- dnirran nrnnor'lrr
f
v vrf
yr
vyvL LJ
,
owing to;faulty
loadi-ng
(see
page
10).
-
One
of the film
sprockets is not
properly
cfosed.
-
The
film
perforations
are
danoaged,
-
The
film
has
been badly spliced.
-
The
fl1m
has
been tightenecl too much
during load
ing
between the
sormd
drum
and
the fower
sprocket,
(see
page
12).
The
pictures
on
the
screen lack
f,
The nicfrrros tro nnnqcinnqllrr
rr-n:,* -^n--
lA1u
usau
y
.
The ttnnon nr fha
lnr^ror lnnn
-4!v
4Vpv!
vt
urlg
rvwgf
lvuu
di-sappears.
tq