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Old 03-11-2017, 09:11 AM   #16
dick_barton
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Join Date: Aug 2015
City & State: Cardiff
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Line Voltage: 230V AC, 50Hz
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Default Re: LG LCD 42LD750 Backlight flashes 4 times, then tv off.

OK so placing your probes into the High Voltage socket at the back of the panel makes the set light up. If it's a connection problem then possibly by you inserting the meter probes you are helping to make a good connection.
Put your capacitors back in circuit and insert the meter probes as you have earlier but remove the leads from your meter. What happens?
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