Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default LCD has ghosting segments problem (in Pioneer KEXM8076ZT, P1708)


I have a Pioneer KEXM8076ZT, P1708 (Mobile Electronics: Radio/Cassette
Player) with a bad LCD (ghosting segments).

I found a couple of relevant parts...

1) Pioneer CWM4931 - LCD with PCB
2) Pioneer CAW1385 - LCD only

Even better, someone posted a YT video fixing LCD ghosting segments just
by cleaning the contacts on his Fluke 85 Multimeter...

How to bring LCD Ghost Segments back from the Dead...
https://www.youtube.com/watch?v=MTulo_SIE6E

Not sure whether I can clean the contacts on my Pioneer radio.
Anyone know what type of connector is used for the LCD and PCB ?
Is the connector standard or proprietary ?

I have photos but not sure how best to upload.

Thanks in advance for any help.
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Default LCD has ghosting segments problem (in Pioneer KEXM8076ZT, P1708)

There is no uploading here, you have to have some image hosting. there are a bunch of free ones, and I know none of them are perfect, that's why I don't have one. I used to have Dropbox but when they told me I had to update my OS I told them to go pound salt.

Most of those LCDs are connected by a zebra strip. It is not supposed to ever go bad. I would see about a replacement before even taking it apart.

I would like to assume that if you order the LCD with the PCB you get one but never assume anything.

Zebra strips are only partly standardized, and to cut them you need extreme accuracy.

You might want to see if you could maybe squeeze the whole mess together, might work might not.
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