Send your faulty PORSCE PCM1 (made by Becker) to us for a 24hr turnaround REPAIR. Or Pop in for repair WHILST-U-WAIT 
All repairs are carried out by US in house, No sending on to third parties, you are dealing with the repairers for the TRADE. 
This service is for the Porsche PCM1 (tape or CD version) which has the following faults: 
1) Blank screen 2) Flickering screen 3) Dim or Dimming screen 
We will test the unit "BEFORE REPAIR" confirm fault repair and we ALWAYS test after repair (unlike many who repair blindly). If you send the unit to us we can turn around and ship out same day, or if you pop it in to us we can repair whilst you wait (call beforehand to check). 
SAME DAY by Auto Engineers : Do it once, Do it right!”
Porsche PCM1 Unit made by Becker, before and after repair: