At Fixya.com, our trusted experts are meticulously vetted and possess extensive experience in their respective fields. Backed by a community of knowledgeable professionals, our platform ensures that the solutions provided are thoroughly researched and validated.
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
yes maybe you may fined that some of the power to the led is being blocked by causing a larger resistant to the led which will cause it not to light up as bright.
What adapters have you tried? The P85 REQUIRES a 12 VAC adapter, NOT the common DC type and it needs a 1.5 amp (1500 ma) type adapter. If you connected a DC adapter it will NOT do damage, the unit just won't work. You can find adpaters on Ebay or Google search.
Test the adapter with a meter... Most probable cause is a bad power connector. Often the solder at the input power connector breaks loose is only problem. If you are not electronically adept, best to take it to a shop.
Make sure you have the CORRECT adapter for the unit. It should say Yamaha on it and match the voltage and polarity. Thest the output with a meter. Common problems that happen to the piano itself causing the symptoms is a broken power connector or broken solder at the connector. Use a meter and verify the adapter is producing output. Expect the output to be a bot higher than listed when not plugged into the piano as there is no load on the adapter.
I woulld not even venture a guess as to what brand/model/ etc you have. How do you expect us to have any idea to help you?
I will say that a very common problem is if the unit, whatever type it is, has a power adapter, it is COMMON for the plug to work loose... If your unit has a regular cord, then there are likely fuse(s) inside, but if they blow, there is another problem that must be repaired before fuses are replaced.
Does the unit have any lights or displays that show power is on? If nothing is lit, then VERIFY that the cord is plugged in at both ends... ANOTHER problem is that SOME wall receptacles are switched... intended for floor lamps and if one has the switch off the receptacles is dead...
Again, you haven't given us enough info to really help you...
Verify the power adapter is the exact one specified. If you run on batteries, replace them with name brand ones. Just because the display lights does NOT mean the electronics are happy with the power.
×