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Replacing a panel control board on my LG RU42PZ61...

I have the new board and have the plasma partially disassembled.  I see the panel control board underneath the boards on top.  My question is this - Do the ribbon cables on the top two boards disconnect and do I need a special tool to remove them?  They don't have clasps on them and look like they attach to the board directly.  I tried pulling them off, but they seem very snug and I'm afraid to pull to hard.
Thanks for any tips.

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Hi,

Not an expert, but managed to fix my 47" LG plasma a few months back.

You'll probably find that the ribbons will disconnect at one end or the other. I wouldn't recommend using a tool for the job, unless it's made of a soft material - I've ripped many a ribbon by trying to use a screwdriver or similar for extra leverage - fingernails are probably the best thing to use.

Try getting under the ribbon connector at one side or another. If you're pulling pretty hard and getting no movement whatsoever, then something might be wrong, but as a rule the majority of these boards are removable - they're not glued or otherwise fastened into position.

Posted on Jan 26, 2009

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If they are the flat ribbons that seem like thin plastic or cardboard, typically they are hard to pull out. The ribbons on the logic board have press snaps, but those on the top boards are just tough to pull out. The key is not to bend them, but apply pressure with your thumb and index near the connector base and pull straight up. Here are some images from my unit:

Top Board Ribbons (Tight ribbon slots)

Lower Controller Boards (All those shiny dark ribbons have pressure snaps, much easier to deal with, but make sure they're secure and tight after you put them back in place)

Posted on Sep 19, 2008

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