Kurzweil K2600R issue

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mcoolf
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Joined:Wed Jan 11, 2017 12:16 pm
Kurzweil K2600R issue

Post by mcoolf » Tue Apr 06, 2021 5:00 pm

Hi

so when I try to change MIDI channel with the upper/lower on the leftside of the panel, the screen jams but it still sounds then suddenly appears "c cram index 43 error 187" and sometime it freezes with jammed screen.

also I tested stuffs on diagnostics and Object blk and 2ndNVRAM has failed

Object blk Test

Please wait. Testing..Chkval Fail!
Expected : FD402F21
Observed: 286E6BEB

2NVRAM Test

Please wait. Testing.. Data Err
Address : 020C000
Expected: 0000
Observed: 5052

and I had similar 2ndNVRAM fail issue with K2000R so I tried 'taking out the battery trick' and seemed it's okay but it started to fail again a few minutes later.

Does anyone know how can I solve this problem? Thanks.

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