Did you follow the recent discussions re lights and UV LEDs ?

John K.

  ----- Original Message ----- 
  From: bob harper 
  To: neonixie-l@googlegroups.com 
  Sent: Saturday, April 19, 2014 11:46 PM
  Subject: [neonixie-l] light effecting GR43's?????


  hi all, GR43's effected by light???  this jukebox pcb is now finally working, 
had to alter some resister values away from spec, in order for it to 
work....but all is now working as it should...in the daylight! i wondered why 
some times its now behaving as it should, but other times its not....it then 
dawned on me its only at night it plays up with the workshop lights on. i have 
now proved this...if i cover the pcb with a towel in daylight  the timer tube 
ignites when it should not, if i take the towel off, all is well....is there a 
solution to this?  bob

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