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Posted by Arsenio on November 06, 2004 at 06:57:17:
In Reply to: Re: Sasui 9090DB dolby switch wanted posted by Carlos Maurício Borgonovi Garcia Tejeda on November 06, 2004 at 04:06:49:
: Thank you for your advise! I'll try to do that, but the Dolby selector was disassembled twice now, and I thinkh the contacts are becoming loose, causing a hard time yo me cause i have one channel only... Do you think that's is still possible to find a Dolby selector to replace mine? I Also need a power switch to replace too!
: I[m from Brazil and is very difficult here to find those vintage parts.
: Thank you again
: : Hi Carlos
: : Have you tried to clean the switch with a good De-Oxide spray ?
: : : I have an old Sansui 9090DB and its only problem is with dolby switch selector that causes one of the channels going off, and I have to get it back to mono mode to have the two channels on ...
: : : I had tried to fix it many many times, but the eletrical contact problem always reappears. Could anybody have any idea what´s going on? Do I have to replace the DOLBY switch or it could be something else, tha cause that problem?
: : : Thank you all
:: Hi Carlos,
There is two way to fix this problematic switch if you cannot find a replacement:
1. Open the switch clean the mettallic contact points (copper/bronze?) with "metal polish" use in buckles, with soft cotton or paper to clean the inserts, this will last for years and clip back the cover.
2. If not possible to clean, Solder and connect small wires to direct connection of stereo mode under the pcb, you will have no mono but your stereo contact will be forever.
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