Posted By
MIK
on 2014-11-14
02:55:47
 |  Re: What could be blowing TED Chip
When the TED dies or is about too go it can take the CPU out with it at the same time, not always but can happen. If you saw random characters on the screen just before the Plus/4 went then that normally means the TED is about to die... If you didn't then chances are it was the CPU.
So you replaced the TED and are still looking at black...
On TED based machines the CPU works like a graphics card and displays what the TED tells it too, however a black screen normally means a dead CPU if you know the TED is ok. As I said, you normally see something on screen when a TED is about to go, but if you have replaced TED with a known working one and are still looking at a black screen it's normally the CPU that has gone.
That last TED you tried hopefully is ok as a fully dead CPU will not harm a TED. I'm sure your PSU's are fine, try a different CPU you know works be it from a C16 or Plus/4 and put that last known working TED back in.
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