Lorad M-Iv Power Cycles Continuously - Service les techniciens Forum

Lorad M-IV power cycles continuously.

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Ethan MacIntosh

Lorad M-IV power cycles continuously.

October 11, 2019 10:53

Lorad M-IV power cycles continuously.

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Ethan MacIntosh

re: Lorad M-IV power cycles continuously.

October 14, 2019 10:16

Turns out the RAM (U20) battery was dead. Replacing the battery did not fix the problem.

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ALLEN GODFREY

re: Lorad M-IV power cycles continuously.

October 14, 2019 10:19

I would be looking at your +5vdc power supply. check it at the CPU board it could be a bad connection. If it's close to 4.75vdc the cpu will keep shutting down and rebooting.

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Ethan MacIntosh

re: re: Lorad M-IV power cycles continuously.

October 15, 2019 10:34

The 5V supply was good. Replacing the Console Processor Board fixed the issue. I think that I have to re-load the RAM (U20) following the battery replacement, but this is not in the service manual.

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