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mikepalmer
Joined: 07 Sep 2008 Posts: 2 Location: UK
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Posted: Sun Sep 07, 2008 9:17 am Post subject: Hyundai HTP4240 - Cold start problems :o( |
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Hyundai HTP4240 - Cold start problems -
Hi all - I have a Hyundai HTP4240 42" plasma that will not start from cold -momentarily heating the DGK-420W power supply with a hairdryer solves the problem and the TV works perfectly - Any ideas???
(I have replaced the big blue 630v caps already - made no difference )
Any assistance would be much appreciated!
Mike P |
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torbjorn
Joined: 07 Jun 2007 Posts: 370 Location: Sweden
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Posted: Mon Sep 08, 2008 10:45 am Post subject: |
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Most likely, some bad electrolytic caps. When an electrolytic dries out, it may still sort of work as a capacitor when it's hot but not when it's cold.
In first instance, check for any electrolytics that are clearly faulty - leaking, bulging tops, etc. Unless you find any suspect ones by that way, you will have to check them with a LCR meter, measuring capacitance and ESR. |
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mikepalmer
Joined: 07 Sep 2008 Posts: 2 Location: UK
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Posted: Sat Sep 20, 2008 9:19 am Post subject: Hyundai HTP4240 - Cold start problems - |
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C103 was the problem - 50v 10uf - Thanks for the info Torbjorn ) |
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