Hey all, I have a LG 26LC7D tv that has a power cycle issue. When plugged in the Tv will cycle on and off repeatedly. Screen will flicker and then shut off and on again. Its not responsive to anything. Just plug it in and it does this. I removed the back panel and there is a green led on the main board that blinks on and off with the power cycle. Then a red light that blinks on the other end of the main board. Any suggestions or info would be greatly appreciated. Thanks guys.
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Re: LG plasma 26LC7D Power on cycle loop. Power light blinks green to red
"LC" is not plasma, it's LCD. LG don't make 26" Plasmas... they did announce a 32" a while a go but the majority are 42" upwards.
Anyway, post a picture of the power supply board. This is the board that has a power connector on it, or where the leads from the power connector go. LG TVs of this generation have had huge problems with bad caps causing power cycling and stuck in standby problems.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search. -
Re: LG plasma 26LC7D Power on cycle loop. Power light blinks green to red
None of the caps are swollen but I will gladly post a pic.Attached FilesComment
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Re: LG plasma 26LC7D Power on cycle loop. Power light blinks green to red
Have you got a digital multimeter?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: LG plasma 26LC7D Power on cycle loop. Power light blinks green to red
Yes I do.Comment
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Re: LG plasma 26LC7D Power on cycle loop. Power light blinks green to red
So the TV will turn ON and OFF the minute you have it plugged into the outlet without activating to power switch?Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: LG plasma 26LC7D Power on cycle loop. Power light blinks green to red
That is correct.Comment
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