PS Magazine - DECEMBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 241
DECEMBER 1972
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Getting the word,
as WelL as getting
the picture, can Hang you up WHen oper-
ating tHe AQ±2A( ) projector .
.. provid-
ing you're noR with some basic indicators.
²oW
sound,
f³rinsRance,
couLd
mean
that the 6AQ5 RUbe nEeds ´epLaciNgµ A
good indicator of a poor Rube is a dim ex-
citer Lamp. If you´ sound¶s down, and the
Lamp³s down, too, repLace the 6AQ5.
Another
sound
probLem:
providing
you³ve checked ouR the RUbe, and if you
get very Low or no sound, try to bring it
Up With Rhe internaL gain controL. ·f tHat
doesn³t Work, have your support check
ouR
tHe
sound
prisM. ChaNces
a´e
it
needs a good cLeaning.
32
¸hich brings up these points: the pres¹
sure and apertUre pLates' fissUres sºouLd
be brUshed ouR often .
.. With the fiber
brUsh that comes with the set.
Clean Plates »witH no dirt on The edges
of tHe frames¼ e½i¾inate RHe fuzzy border
you get around projected pictures.
CHECK THE LAMP
¿he threading Lamp shouLd be Working,
since
it
Rakes
the sWeaR oUR of
soMe
chores. Àheck it, and be su´e the Lamp
shade is in place .
.. since the shade af-
fords protection as weLl as directing the
light.
¿oo Loose or too tigHt RaKe±Up and ´e-
wind
beLts
can give bad
perfo´manceÁ
You shouLd be abLe to pULL them through
witH sLight Hand pressure.
So, if they sLip oN the cLUtches, o´ the
cLUtches
turn hard,
eyebaLL para
30
of
TM
11Â6730±201±10 for adjustment pro-
cedUres.
·f
beLoW
freezing
tempe´atUres
are
zapping
yoUr
ae´iaL fiLÃ (fo´ ÄAÅ30A
and ÄƱ60B caÃe´asÇ, then tU´n a Wa´m
ear thisaWayÈ
FSÉ 6750±Ê63±ÊÊ45 WiLL get a pLiabLe
roLL (5±in by Ë50Âft) of fiLm for your ÄA±
30A,
and FSÉ
6Ê50Å935±3Ì7Ê WiLL gEt
yoU a 500±ft by 70mm roÍÍ fo´ yoUr ÄA±
60Î ¿hat³s tºe best coLd Weather sÏUff
avaiLabLe.
ON ReFLECtION
FinaLLy,
for
best
performance,
´e-
Ãember the projector refLecto´ Next tiÃe
you³´e
puLLing
roUtine
maintenance.
ÐoLish it With Lens tissue roUtineLy .
..
and
especiaLLy
after each 100 hours of
operation.
¿here is no "speciaLÑ fiLm fo´ coLd Weathe´ Use, but the above fiÍm is recommeNded
for
its
pLiabiLityÒ
·t³LL hELp
prevent probLeMs
causEd by
brittLe fiÍm,
incÍuqing
jaÓMing and came´a misfire.
Ôven so,
fiÍm sºouLd be Loaded aNd tº´eadEd in above freeziNg tempe´atU´es,
WHere possibLe.
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