I have a Yamaha PSR e363 and when I power it up the speakers hum and the keys don't work

by Chris
(Mathis tx)

I have a Yamaha PSR e363 and when I power it up the speakers hum all distorted and the keys don't work

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Sep 20, 2023

by: YKG

If your Yamaha PSR-E363 keyboard is producing a distorted humming sound from the speakers and the keys don't work, it may be experiencing several issues. Here's a troubleshooting guide to help you address these problems:

1. Check the Power Supply: Ensure that the keyboard is receiving power from a stable power source. Make sure the power adapter is connected correctly and that it's providing the correct voltage to the keyboard.

2. Inspect the Audio Settings:

Make sure the volume knob is set to an appropriate level.
Check if any built-in effects or settings are causing the distortion. Reset the keyboard to its factory default settings if necessary.

3. Test with Headphones: Plug in a pair of headphones and check if the distorted sound persists when using headphones. If the sound is clear through headphones, the issue may be with the keyboard's internal speakers.

4. Inspect the Speaker Connections: If the sound is distorted through both the internal speakers and headphones, there may be a problem with the speaker connections. Check if any cables or connectors are loose or damaged.

5. Factory Reset: Perform a factory reset on your PSR-E363 to return it to its original settings. Refer to the user manual for instructions on how to do this. This can help eliminate any software-related issues.

6. Update the Firmware: Check if there are any firmware updates available for your keyboard. Updating the firmware can sometimes resolve software-related problems.

7. Test with a Different Power Adapter: If you have access to a compatible power adapter, try using it to power the keyboard to rule out any issues with the original power adapter.

8. Test with a Different Outlet: Plug the keyboard into a different electrical outlet to ensure the issue is not related to the power source.

9. Professional Repair: If none of the above steps resolve the issue, it's possible that there is a hardware problem with the keyboard, such as a malfunctioning amplifier or speaker. In this case, it's advisable to contact Yamaha customer support or take the keyboard to an authorized service center for professional inspection and repair.

Before attempting any repairs or opening up the keyboard, be cautious, as you could void any warranty or cause further damage if not done correctly. Always refer to the user manual for guidance on troubleshooting and maintenance.

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