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TC Polytune has packed up :-(


KiOgon
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Recently I've been using my Polytune battery powered & making sure it's unplugged when not in use. Today I connected it up, brief flash of lights as normal, then just 4 red dots in a square. Then nothing! Checked the battery - flat 4.6 Volts! New battery fitted, same lights & square - nothing. New battery tested at 9.6V & reinserted - nothing.

First thoughts were the battery clip wires, the clip looks good but the red & black disappear under the black internal cover. Looking at taking the cover off to investigate I find 1 of the 2 screws holding the cover on has not been fitted or tightened correctly, is left sticking up about 2 mm & must be cross threaded - too tight to do up or undo without risking snapping the screw off!

I've no idea where the box & any paperwork is, does anybody know if there's a repair centre - any chance of getting it fixed under warranty?!

Cheerz, John

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[quote name='stingrayPete1977' timestamp='1478276415' post='3168132']
Have you tried unplugging the instrument lead a few times? Mine does funny things when used on the battery, I find they eat batteries anyway so I almost always have it on mains.
[/quote]
[quote name='tonyquipment' timestamp='1478282860' post='3168219']
Have u tried with a PSU instead of battery?

If PSU route is returning the same then it could be the unit is buggered
[/quote]

Yes! I found the box - July 2010 I bought it :o so not much hope of warranty :unsure:

The good news - yes rummaged around, found a PSU & hey presto it's as good as gold on mains adapter! Problem solved , sort of :rolleyes:

Cheerz, John

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Would seem a bit odd that you are getting lights on with the battery connected but just not working. Can't see it being a bad battery cable connection and sounds like its more to do with the circuit board. Some units the power socket disconnects the battery supply and might be a bit of dirt on the power socket internal connections.

Out of curiousity have you tried it with the battery again since using the power supply ?

Dave

Edited by dmccombe7
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[quote name='dmccombe7' timestamp='1478419119' post='3168887']
Would seem a bit odd that you are getting lights on with the battery connected but just not working. Can't see it being a bad battery cable connection and sounds like its more to do with the circuit board. Some units the power socket disconnects the battery supply and might be a bit of dirt on the power socket internal connections.

Out of curiousity have you tried it with the battery again since using the power supply ?

Dave
[/quote]When I was changing the battery IIRC the last time I tried it there were no lights, nothing, which made me feel that the more I moved the battery connector/lead the worse it became.

No I haven't gone back to trying battery again, it's working now, I think I'll leave it alone!

Cheerz.

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