Repair man
Enthusiast
Jan 26, 2016, 3:48 AM
Post #2 of 3
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Re: [Scottie7275] LG 50ps3000 half screen
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Double check to see if you have the ribbon cable connected properly that goes between the upper & lower buffer board. Maybe while you're at it check the ribbons that lead out to the panel as well to make sure they are seated deep enough into the new buffer board. Lift the clip on the back edge of the sockets to a 90 degree position & seat the ribbons as deep as they'll go the snap the clip back down (compare them to the lower buffer board connections)
Also check & clean the ribbon cable that leads between the logic board & the Ysus board (right edge of the Ysus board near the bottom). It too has a clip you'll need to lift (it's a tinier version of clip to the clips on the buffer board)
Check for open fuses on the Ysus board & the Zsus board.
If you had any connections off on the Zsus board (the board to the right of the TV when looking in from thr back) be sure they are seated properly again.
There is also a chance you purchased a bad upper buffer board.
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(This post was edited by Repair man on Jan 26, 2016, 3:49 AM)
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