Bell and Howell 1598, Руководство пользователя

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P a n chromatic TQIII & TQIII Specialist User Manual
Page
22
Cause
Track selector switch at wrong setting for the film. Remedy
Set switch to other position (Stage 22).
Cause
Amplifier fault.
Remedy
After making sure that there is bound on the film you are showing (if you hear a hiss from
either loudspeaker when the volume control is turned fully up, suspect the film before
suspecting the projector and try another film), ask your audiovisual dealer to test and
repair.

Problem
Low level of sound.
Cause
Volume control not sufficiently advanced Remedy
Advance.
Cause
Dirt in region of sound optical system. Remedy
Clean (Stage 66).

Problem
Unpleasant sound from a film sound track known to be good.
Cause
Unsuitable setting of tone controls.
Remedy
Return controls to "0", then try other settings.
Cause
Excessive loop at sound drum.
Remedy
Correct with system restorer (Problem f)
Cause
"Wow” caused by pinching of film as it winds on to rear spool.
Remedy
Bend spool flanges until film is winding on steadily.
Cause
Fault in projector sound system.
Remedy
Ask your audio-visual dealer to Correct.

Problem
Screen goes white.
Cause
Broken join.