Mulja tv repair portal
Equipment Repairs => LCD TV forum => Topic started by: Turnip on August 31, 2018,12:19:59
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Hi folks,
Have one where the four backlight feeds show - 31.5/31.5/31.5/40.7 volts on the tester.
Bit odd, as suspect 40.7 dubious, but can't imagine what might cause it - Chris.
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hi turnip
may be led strip not taking current ie o/c on 40volt strip?
regards
astracat
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Hi Cat,
With an O/C strip my meter reads around 220v so 40.7v looks a bit odd - Gained 9.5v somewhere, guess take it apart and have a look. Would have done already but waiting for glue to set those big lenses on an LG so's I don't get 'bright patches'
Was a bit of an issue as the LG Leds had the cathode pad bigger than the anode, and I only have 6v LGs' with big anodes, so had to scrape the track away a bit as otherwise they short out - Nothing on Ebay at the moment - Chris.
In the event the Pana had just one duff Led. Bit of a problem as they're 4mm x 2mm and the cathode has the larger pad.
Nothing on Ebay so used a standard square LG Led soldered in the other way around. Guess have to improvise.