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Bit of a long shot on this but here goes...
I bought a Yaesu FT726R as a non-runner/unknown quantity a year or two ago at an SK sale from a friend's brother. He had no personal knowledge of it at all and all it came with was a photocopied operating manual.
Yesterday I dug it out and thought I would have a play with it. First thing was to make a blanking plug for the 12V loop-through and then I powered it up. No variable transformer I'm afraid so it was just straight mains. It lit up but only had an 'E' on the display. The operating manual helpfully says this means error.
Just in case the internal PSU was faulty, today I used an external 12V supply set at 13.8V. No change, still the 'E' on the display. The external PSU meter says it's taking about 1.5A, which is correct by the manual.
So... has anyone come across this before? Any idea of how I should approach investigation?
All the repair shops (none of which are close to me any way) are closed at the moment but it may not be an economic repair if push came to shove.
I bought a Yaesu FT726R as a non-runner/unknown quantity a year or two ago at an SK sale from a friend's brother. He had no personal knowledge of it at all and all it came with was a photocopied operating manual.
Yesterday I dug it out and thought I would have a play with it. First thing was to make a blanking plug for the 12V loop-through and then I powered it up. No variable transformer I'm afraid so it was just straight mains. It lit up but only had an 'E' on the display. The operating manual helpfully says this means error.
Just in case the internal PSU was faulty, today I used an external 12V supply set at 13.8V. No change, still the 'E' on the display. The external PSU meter says it's taking about 1.5A, which is correct by the manual.
So... has anyone come across this before? Any idea of how I should approach investigation?
All the repair shops (none of which are close to me any way) are closed at the moment but it may not be an economic repair if push came to shove.