HP 245 ROLAND DIGITAL PIANO. FOUR KEYS broke and do not return to its original position KEYS they settle down and. I need a service manual for Roland FP8 piano. Roland HP-230 Digital Piano Key removal for contact repair HP-3700 HP-800 HP-2700 KR-4700 KR-5000 How to remove and replace keys on a Roland HP-230 Digital Piano. Technique should also apparently work with Roland.

Sounds like what happens with mine -- the key weights broke. I have solved this by opening it up and stealing the weights from similar keys at the lowest or highest end of the keyboard.

download free Caterpillar 3208 Engine Service Manual. The keys pop off by messing with the back ends, and the weights just come right out. Not bad really. Opening the unit is just a matter of finding the right screws, there are 4 larger ones on the left and right undersides and 4 more small ones in the back. Intelligent hunting will find them. Posted on Jan 21, 2013. • 18 Answers SOURCE: It's not really for the faint of heart, but generally this is caused by gunk getting into the key circutry. Underlying the 3000's keyboard is a silicone pad with 2 contacts on it, the measurement between each being hit is the issue usually but yours just sounds like there's something in there causing a physical or contact obstruction.

What you really want to do is to remove the keys and clean everything but this isn't easy. You could try using 99% alcohol (from a pharmacy) to clean inside it which may well help you.

There's a good thread on a similar issue at: Which may help you work out how to do the disassembly if you are brave, but I would start with pouring some alcohol in and poking it and hoping for the best 1st. It sounds crude, but it works amazingly well with some things. Posted on Jul 12, 2009. 2015 Gmc C3500 Service Repair Manual download. download Hatz 1d41s Engine Repair Manual torrent on this page. • 2 Answers SOURCE: Roland FP is a nice keyboard but has a known problem on cracking key weights.