Sannsibal Posted August 3, 2017 Report Share Posted August 3, 2017 Hi all, A while ago, I entered the service mode on my Sharp DR470 (called DR7 in some regions), messed around with it and now I am only getting an Er-MD80 error when trying to turn the unit on. Somebody with a DR470 kindly agreed to check what the original settings were, so I can reset them, but I forgot how to actually get into service mode on this MD portable. I seem to remember that I had to use a remote control from a different unit (my MT831), but I tried it this morning and the DR470 just wouldn't react to anything that I press on the MT831's remote, so maybe I remember that wrong. Does anybody now how to enter the service mode on Sharp portables that don't have a 'Sync/Enter' button? Any help would be greatly appreciated! Thanks! Quote Link to comment Share on other sites More sharing options...
Stuge Posted August 3, 2017 Report Share Posted August 3, 2017 I wonder if you can find out Service manual of the same, which can help you enter service mode of this model . Quote Link to comment Share on other sites More sharing options...
Sannsibal Posted August 3, 2017 Author Report Share Posted August 3, 2017 I tried Google, but had no success. I found the service manual for the MT877, and DR420, but the way described there did not seem to work for the DR470. When I get home, I will try if the remote control works on the MT831, maybe the remote is broken? Quote Link to comment Share on other sites More sharing options...
sfbp Posted August 4, 2017 Report Share Posted August 4, 2017 Does the Sharp have a hold switch on the remote? The Sony remotes are entirely disabled if HOLD is set to on. Quote Link to comment Share on other sites More sharing options...
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