Which pin powers the monitor?

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qicflair
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Which pin powers the monitor?

Post by qicflair » Thu Aug 02, 2018 11:56 am

Can anyone tell me which pin here on the 18 pin connects to the LED? I'm having issues getting the screen to work. All the continuity pads are showing a connection in my tests, so the only thing I could find was that I couldn't get a connection between the LED on either continuity pad and the 18pin connector.

Thanks.

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Helder
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Re: Which pin powers the monitor?

Post by Helder » Thu Aug 02, 2018 12:04 pm

The ribbon is fine on the LCD itself, check the points here:
Image

also check that the white ribbon has continuity on both sides of the same pin in case that ribbon is bad.
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Re: Which pin powers the monitor?

Post by qicflair » Thu Aug 02, 2018 1:13 pm

Thanks. I'm getting a connection on all those test points in your image. Are you suggesting that I reflow the pins anyway?

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Re: Which pin powers the monitor?

Post by qicflair » Thu Aug 02, 2018 8:38 pm

Shouldn't have doubted. Turned out I needed to reflow one of the connections between the PCB and the pi. screen works, as advertised. Carry on.

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