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Jem ZR22


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Hi guys and girls


Just unearthed an old Jem ZR22 DMX from my warehouse which was needing a bit of attention. Everything is working fine but for some reason when it's fully heated it fires out on full power automatically. Even with the remote disconnected and all the DMX dips off it just keeps firing. I'm guessing it's possibly something on the main PCB or DMX PCB causing it to go open circuit but if any one can give me some advice or info I'd be much appreciated.





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