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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-19-2014, 07:54 AM
Re: lg ps3000

first i got a new multimeter as mine was not great then found 2 buffers blown on the top buffer board so removed some buffers from another board i had this is the first time ive done this took me a while but fitted 2 buffers tested again with meter and checked fine fitted buffer back into tv and result all worked

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-17-2014, 04:28 PM
Re: lg ps8000 vertical lines

ok so update got yet another tcon still no change still get lines moving what i check next

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-17-2014, 04:26 PM
Re: lg ps3000

ok all sorted now working again

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-13-2014, 10:57 AM
Re: lg ps3000

Does anyone have a guid on how to test ysus and buffers on this model
As the guy who fixed my buffers befor said just becase my
Meter does not beep don't mean buffers r any good

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-13-2014, 10:42 AM
Re: lg ps8000 vertical lines

Ok I'll send back and try another one shop jimmy
Don't have any what's another good place ?

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-13-2014, 08:43 AM
Re: lg ps8000 vertical lines

does anyone know how i can test the t-con ?

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-12-2014, 01:14 PM
Re: lg ps8000 vertical lines

ok so ive cleaned all ribons on t-con both ends but still got these lines ?

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-12-2014, 11:08 AM
Re: lg ps8000 vertical lines

says max 68v witch is what it was on when i get lines but if i drop down the lines get better still not 100% but better...

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-12-2014, 10:33 AM
Re: lg ps8000 vertical lines

va is ment to be 68v as panel says i turned down to 55v . think you thought i ment va was 600v lol its not thats what i have meter on 600v

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 10:06 AM
Re: lg ps3000

ok so with both buffers out i get good volt readings with any buffers in i get same upto 36v ive tried 2 diffrent ysus boards and get the same thing on both ?

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 09:24 AM
Re: lg ps3000

no had picture from top to bottom but only 3/14 from right side looking at tv the left side was black

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-12-2014, 09:18 AM
Re: lg ps8000 vertical lines

va is 68v i have meter on 600v i drop it to 55v the line r nearly gone just the picture dont look great ?

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-12-2014, 09:12 AM
Re: lg ps8000 vertical lines

ok tom not sure if you saw my reply above ? anyway if i drop va down then lines go ? dont know if that helps you with anything...

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 09:10 AM
Re: lg ps3000

its was 3/14 from left to right that had pic and was good picture but now its all black the buffers do test fine on a meter ? with buffers in the volts r gone i didnt want to remove buffers from the ysus as didnt know if i would blow them . so should i remove them from ysus then check volt reading again tom

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 08:54 AM
Re: lg ps3000

dont know what happen tom i check all plugs ect like you said then tried again then got black screen ive had them out 4 times now and still cant get the picture back all buffers still test fine but with tv on im not getting vy vsc only getting upto 36v ?...

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 08:30 AM
Re: lg ps3000

ok some pics still cant get a picture just sound how would i go about testing the ysus for faults...

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 07:46 AM
Re: lg ps3000

ok took them out and put back in now i have sound no pic but buffers still test fine

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 07:02 AM
Re: lg ps3000

ok will fit them again it was 3 1/4 of the screen had good picture the rest was black

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tonyuk replied to lg ps3000

in Troubleshooting TVs and Video Sources

03-12-2014, 06:59 AM
Re: lg ps3000

i fitted new buffers and got only half picture but they tested fine ? do you think that means fault on ysus ?

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tonyuk replied to lg ps8000 vertical lines

in Troubleshooting TVs and Video Sources

03-12-2014, 06:37 AM
Re: lg ps8000 vertical lines

yer thats right tom with a 50" lg t-con i have no lines just pink patches but with the right t-con im getting the lines heres the panel number PDP60H30001

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