Yamaha HE-4 Support Question
Find answers below for this question about Yamaha HE-4.Need a Yamaha HE-4 manual? We have 1 online manual for this item!
Question posted by ewgoh77 on December 27th, 2015
No Light At All
there are no light showed on totally
Current Answers
Answer #1: Posted by TechSupport101 on December 27th, 2015 6:49 AM
Hi. There is a paid Service Manual here http://www.ecrater.com/p/14341900/yamaha-he4-he-4-electone-keyboard for the HE-4 and a free one here http://elektrotanya.com/yamaha_he-5_sm.pdf/download.html for the HE-5 - One of which should be able to offer you a worthy troubleshooting guide.
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