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Re: Sasui 9090DB dolby switch wanted

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Posted by Jon Jensen on November 08, 2004 at 14:23:42:

In Reply to: Re: Sasui 9090DB dolby switch wanted posted by Sten on November 03, 2004 at 04:51:46:

Carlos,There are other problems that cause channel drop out with this model.There are "throughs" where the copper traces on the PC board connect through the PC board to the other side of the board.Try soldering wires through these holes.Also there are problems with the flat wire cables that connect the Dolby PC board to the PC board above.You need to replace the flat connectors with wires such as used in computers.Also,sometimes the shaft that connects to the switch will come out the rear direction.That is fixed by glueing the shaft where it connects to the plastic piece.It's fairly easy to remove the whole tuner section on top for easier access to the top of the Dolby board.

: 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

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