Search found 5 matches
- 13:56, 23 January 2020
- Forum: D and U series
- Topic: D50 - Battery Change - Now NO LCD/Sound - Help!!!
- Replies: 4
- Views: 9452
Re: D50 - Battery Change - Now NO LCD/Sound - Help!!!
SOLVED (After a battery change, had a non working display and lost all sound): FIX: Tested for +/- 12 v to display (white and black wire), discovered black display power wire (from power supply) was pinched under a screw. Resoldered/fixed wire & display worked again. But due to battery change I ...
- 02:53, 23 January 2020
- Forum: D and U series
- Topic: D50 strange screen behaviour
- Replies: 6
- Views: 6696
Re: D50 strange screen behaviour
I replaced the battery in my D50 and now screen is blank and no sound. Ugh.... Was working perfectly before battery swap..perhaps eprom is lost/degraded? Display is absolutely blank and no activity at all. Keyboard red lights above a couple button light up and switch but nothing else really works. U...
- 20:10, 22 January 2020
- Forum: D and U series
- Topic: D50 - Battery Change - Now NO LCD/Sound - Help!!!
- Replies: 4
- Views: 9452
Re: D50 - Battery Change - Now NO LCD/Sound - Help!!!
Thanks very much for the suggestions - will check them out. Problem is. the display is blank so will not show anything which makes it impossible to perform recovery functions. Pretty sure it is not a bad display. I have opened the KB a few times and never had any issues - careful to never move any c...
- 22:32, 1 October 2019
- Forum: Classic Roland instruments
- Topic: D50 - Battery Change - Now NO LCD/Sound - Help!!!
- Replies: 1
- Views: 4370
D50 - Battery Change - Now NO LCD/Sound - Help!!!
My Roland D50 was working fine (other than 3 inactive keys, solved by resoldering a trace that affected those keys). Before battery change, had all sounds and functionality. While I had the D50 open, decided to change the Cr2032 battery. Closed it back up and now I get a blank LCD display & no s...
- 22:22, 1 October 2019
- Forum: D and U series
- Topic: D50 - Battery Change - Now NO LCD/Sound - Help!!!
- Replies: 4
- Views: 9452
D50 - Battery Change - Now NO LCD/Sound - Help!!!
My Roland D50 was working fine (other than 3 inactive keys, solved by resoldering a trace that affected those keys). Before battery change, had all sounds and functionality. While I had the D50 open, decided to change the Cr2032 battery. Closed it back up and now I get a blank LCD display & no s...