Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information
Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information
Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
MAGNETIC SOUND SYSTEM TROUBLES AND REMEDIES<br />
TROUBLE<br />
a* No Sound<br />
b. Inadequate<br />
Volume<br />
c. Poor Quality<br />
Sound<br />
PROBABLE CAUSE<br />
Selector switch in wrong position<br />
Head plug not making proper contact<br />
with contact block<br />
Pre-amplifier plug disconnected from<br />
amplifier or not seating properly<br />
Defective valve<br />
Dirt on film<br />
Head plug not making proper contact<br />
with contact block<br />
Skate moved out of position<br />
Selector switch in wrong position<br />
Faulty pre-amplifier<br />
Head plug mis-aligned<br />
Causes shown under the heading of<br />
"Inadequate Volume"• Noises such<br />
as humming, whistling etc., can<br />
result from defective valves.<br />
Various defects listed on page 9 of<br />
the manual may also apply.<br />
54<br />
REMEDY<br />
Adjust<br />
Adjust<br />
Adjust or<br />
re-connect<br />
Replace<br />
Clean<br />
Adjust<br />
Align<br />
Ad just<br />
Repair<br />
Adjust<br />
trackway<br />
screw
Change language