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Scratchy video after composite mod
Macc
June 2012
edited June 2012
in
Hardware
Ive re done the mod several times on this Issue 4B with the exact same results, anyone know whats up? Caps maybe?
Post edited by Macc on
June 2012
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pmsr
June 2012
edited June 2012
It says the video is private.
/Pedro
Macc
June 2012
edited June 2012
oops! should work now sorry
Zorn
June 2012
edited June 2012
As always, there could be all sorts of causes, but I'd suspect first noise on a power supply line (possibly caused by a failed filter capacitor) or perhaps a problem like one I found a while ago:
http://www.worldofspectrum.org/forums/showthread.php?t=38041&page=2#12
Macc
June 2012
edited June 2012
I replaced C25 and C65, one of those must have been faulty because now the display is steady and clear
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/Pedro
http://www.worldofspectrum.org/forums/showthread.php?t=38041&page=2#12