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Yamaha RX-V775, DSP chip broken

Nutik

Mar 3, 2021
1
Joined
Mar 3, 2021
Messages
1
Hello.

I have old recciver Yamaha RX-V775 where now is no sound ~1-2 minutes after switching on(Pure direct working always).

I dissasemblied it and found, what this is problem in DSP chip D80YK113CPTP4. If i try to heat it with hair dryer - sound on and icons on display is too, if i tried to cold it with air, no sound and no icons. At work we a resolder this chip, but without success. I think what i need to replace this chip to a new. At Ali i found my chip with price ~30 eur and newer version D80YK113DPTP4.
Now i trying to find information - can i just to replace broken chip to new, or i need flash to new chip some firmware?
 

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jammaslide

Nov 21, 2021
1
Joined
Nov 21, 2021
Messages
1
I have a similar problem. Did you replace the chip, and did you have to do anything other than plug it in?
 
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