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Yamaha TX492-RDS amnesia

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eddie303

New Member
Hi guys!

This is my first post here, thanks in advance for the eventual help! :)

I have a Yamaha TX492RDS radio tuner which suddenly started to forget station presets. Does anybody know the model and give me a hint on which capacitor may be the troublesome? I don't see any kind of battery nor a bigger capacitor (what I thought it'd be)...
 
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Downloaded manual for free from hifiengine. Block diagram says C502 is your memory backup. However parts lists it as only a 47uF cap. Whereas C503 is a 47000uf 5.5 cap, which sounds more like it.
 
Punker X said:
Downloaded manual for free from hifiengine. Block diagram says C502 is your memory backup. However parts lists it as only a 47uF cap. Whereas C503 is a 47000uf 5.5 cap, which sounds more like it.
Click to expand...
Thanks for pointing out, will look out for it and get a spare capacitor. Did not even think about searching for it on the display board...
 
Hello, I have the same problem but cannot register to hifiengine because not opened.
Can anyone send me the manual to find the component to change ?
Regards
 
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