Sony STR-DH800 No sound through speakers

BurritoBoy

Novice Member
Hi everyone, hopefully I've posted this in the right place and someone can help!

I have a Sony STR-DH800 amp (approx 15 years old) and turned it on last night to find that there was no sound through the speakers. I've attempted troubleshooting this morning to no avail and my progress has been as follows:

• Confirmed speakers are "on" and have not been turned off by using the speaker button.
• Checked the system is not muted.
• Done a system reset by holding the power button when turning on and then pressed enter to clear settings.
• Removed cover and carefully vacuumed out interior as well as speaker terminals at the back (a lot of stuff had bypassed the filter I have in the chimney vent that is above my amp).
• Speaker protection can be heard clicking "off" five seconds after amp powers on.
• Replaced speakers with others that I know work - still no sound.
• Tested with HDMI input, image goes through to TV but no sound to speakers.
• Tested with CD stereo line-in, no sound to speakers.
• Confirmed sound works through headphones for both HDMI and CD inputs.
• Able to get image and sound to TV by changing HDMI audio setting to TV+AMP.

Any ideas or suggestions that people may have would be greatly appreciated, I'm at my wits' end! Is it time for me to buy a new amp?

Thanks.
 

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