Emax

I just to check the diodes with tester and all 5 give right .

Where's the scanner cpu? ID number?


--- In emax@yahoogroups.com, "jammie" <jammie.emma@...> wrote:
>
> bad signal diode can take out all keys in that octave
> 
> as seeing your getting midi to trigger 
> 
> the scanner cpu deals with the keyboard and  the buttons
> 
> youcould have a bad scanner chip
> 
> but check the contact board starting at the c#5 key trace the diode
> 
> for that key and test if its working
>  
>   ----- Original Message ----- 
>   From: jaumemod 
>   To: emax@yahoogroups.com 
>   Sent: Sunday, July 08, 2012 10:14 PM
>   Subject: [emax] Five top keys fault
> 
> 
>     
>   Dear folks,
> 
>   My Emax II top 5 range keys faults (from G#5 to C6) no sounds.
> 
>   Playing on MIDI master keyboard there's no problem, all seems to be ok, all sounds.
> 
>   I checked contact springs and seems to be ok. Only when I use a plastic stick to move spring over contact with a key previously played all sounds...until I back to turn sampler in upright position.
> 
>   I cleaned all contact springs and contact base. I checked keyrange board and all contact ways on board. All seemed to de ok for me.
> 
>   I checked all keyrange connectors to mother board: Ok
> 
>   Maybe I need to know what parts of sampler are involved in keyrange operation to checked something else....I don't know....
> 
> 
> 
>   
> 
> [Non-text portions of this message have been removed]
>