Question about Compaq Evo Notebook Keyboard N610C/N600c
I have a Casio LK-30 keyboard that my daughter uses to practice. Where the electrical plug into the back of the unit is I'm not getting a good connection. I opened up the unit and the circuit board connection where the plug in adapter soldered connection to the circuit board is appears to have one of theese connections slightly seperated. Can I order a new circuit board. The part number stamped on the circuit board is JCM470-MANM A.
I have the same problem. I was thinking one solution for us, but I don't like it might be to solder the power supply on and skip that female plug entirely. To do that, you cut the male end off the transformer/power supply wire (if you don't want to ruin your transformer/power supply you can buy another power supply at Best Buy for $10 - Dynex DX-C1109). Then strip the ends from each wire from the power supply so you have some bare wire showing on each wire. One goes on the spiral thing sticking up from the JCM470 board, the other goes anywhere you want on the red wire coming from the battery compartment. You should test before you solder to make sure you the proper one on the proper wire and that you therefore have power to the unit and it makes a sound. But its a sloppy fix. While it should work perfectly, the power pack then can't be changed unless you solder and unsolder it each time. Another solution is to find a broken LK-30 or LK-33 and rob the circuit board if it still works on the parts machine. Trouble is if you find one and its not near you it costs some money to ship these. At some point its just easier to buy a used one on Ebay or craigslist.com, I guess.
Posted on Feb 24, 2008
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