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» 8mm Forum   » 16mm Forum   » Siemens 2000 ( 7.5 w.trans. / optic.)- sound scratc !!!

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Author Topic: Siemens 2000 ( 7.5 w.trans. / optic.)- sound scratc !!!
Niels Peter Buch
Film Handler

Posts: 76
From: Hvidovre, Copenhagen, Denmark
Registered: Jun 2013


 - posted January 14, 2017 08:52 AM      Profile for Niels Peter Buch   Email Niels Peter Buch   Send New Private Message       Edit/Delete Post 
My new investment ( 7.5 watt transistor / optical sound ) looks good, although it runs at bit to slow ( aprox. 22 fps ).

My main concern is scrathing sound with or without film engaged.
Shortly after I have pressed the start button for amplifier and optical sound.

No scrathing at volume 0 but scratcing sound increases up til 10 at the volume scale.

Any help is much appreciated.
Kind regards !

--------------------
Niels Peter Buch

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Josef Grassmann
Expert Film Handler

Posts: 190
From: Hennef-Sieg, Germany
Registered: Apr 2005


 - posted January 21, 2017 09:37 AM      Profile for Josef Grassmann   Author's Homepage   Email Josef Grassmann   Send New Private Message       Edit/Delete Post 
Hello,
replace all electrolytic caps, about 30 pieces.
Some are hidden underneath sliding switches, has to be removed first. We do it in that way, as all componets more than 50 years old.
After replacement you will enjoy good sound for many years.
regards
Josef

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