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Repair and disassembly guides for electronic keyboards.

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No sound and everything shows working

I am getting no sound from my Yamaha SY85 keyboard. Everything is in working order, Battery and cord work. Just No sound!

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@imgr8tfl you did not tell us if you have power to the keyboard. You also did not tell us if you checked the output on speakers as well as headphone. Let us know. If so then it is time to disassemble it and take a look at your amplifier as well as all the ribbon cables etc. This should help with taking it apart Yamaha SY85 disassembly after that take a look at obvious damage and post plenty of good pictures with your question so we can see what you see. Use this guide 在已经存在的问题里加入图片 for that

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after checking all of these said by @imgr8tfl , change the audio (sound) IC of the keyboard

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