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Denon RCD-M35DAB has tuner drift on AM, tap side of unit on rear righht hand side then ok for a while.

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Loose connection or cold solder and cleaning problem this is the main caused of no sound..Cold solder issues - each component is soldered into small holes on the printed circuit board which in turn connects said component to the other components. Due to time, heat, use, some solder joints would be cracked or loose. It is possible that the cold solder is still minimally connected (hanging by a thread). When the receiver turns on heat would be generated which would be sufficient to further loosen up the solder joint to the point it no longer provides electrical contact. Jarring the unit creates movement inside enough to re establish the contact, sometime good enough sometimes not enough.

Again, since the unit still operates (sometimes) then it is highly probable that there are no defective components. As you have surmised, it is possibly a loose connection, solder joints are "connections" except that molten soldering lead is used to attach/connect the component to the board, "loose connection" in this sense is equal to "cold solder".

Again on the assumption of no defective parts, then seeking a more experienced buddy for the soldering might be to your advantage. This is of course in addition to the possible electrical hazards when repairing....

Good luck:

Regards,
VOTIT

DON'T FORGET TO RATE

Posted on Jul 30, 2008

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OK,this is a fairly common problem with digital tuners, I get them from time to time in my shop, you see, what is happening is the voltage that's used to tune the set, usual;y stays rock solid, your device however is drifting off station due to this voltage changing, usually it is in the powers supply or the actual tuner itself. It can be bad capacitors, bad IC's, bad transistors, bad tuner module. Sometimes it maybe a "Dry Joint" too.
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Free or you can tempt us with $$. Your choice.

Register and download the manual for free at audio.manualsonline.com

http://audio.manualsonline.com/manuals/mfg/denon/rcdm37.html

Self-powered would work but it would have to run on full-range amplifier (from the speaker posts) or Line Level signal (from the OUT RCA jacks) because this unit has no Sub-specific output. It's no bigge as the sub would naturally discard the higher frequencies via its own amp's and speaker

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The denon is only able to switch raw video and audio signals.

What do I mean by that ?....IF you are running your co-ax cable from your cable company directly into the back of the denon, it won't work. The Denon has an AM-FM tuner, but not a video tuner ( channels 1-121)....If this is what you are doing, then you want to run it to your samsung first ( as long as the samsung has a tuner so you can change channels ).

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You would then use the Denon for the sound, and hook up your TV to the Monitor out jack on the back of the Denon.

The Denon is like a big switchbox. You plug your DVD, VCR, Satellite, video game, or what-have-you into the Denon. Then you use the denon to route the signal to your TV for the picture, and the denon takes care of the sound.

Hope this helps, and remember to always follow your owners manual.......Rob

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