Samsung C32HG70 horizontal lines

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Samsung Display

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Karl C @coys77

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发帖于: 2021年2月7日

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Samsung C32HG70 horizontal lines

I brought a Samsung C32HG70 a few days ago ( no power and when it was had the vertical lines until warmed up issue). I’ve manager to sort the power problem and also the vertical lines, however the panel has horizontal lines across the whole screen anybody have any ideas on what it might be? Included couple of pics running the Xbox Series X on it today.

I’ve had the back off the panel again and it seems to have a small 3mm split in one of the lvds that connects it on the lcd panel at the bottom, could this be causing the issue?

like circled in the picture here.

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Mr. Catalin @mrcatalin 声誉积分: 13 1 · Answer 1 · 2023-04-29T22:33:52-07:00

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Mr. Catalin @mrcatalin

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had the same problem, remove 2 smd resitor and mine was fixed.

if u have the one with 4 resistor and the rt6820a just remove the 2 ones that are vertical farther away from the controller.

like so

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What function does rt6820a perform? I can't find the datasheet. In the LCD monitor, the chip heats up to 150 degrees and turns off. I can't find the reason.

由 Дмитрий Пономарев 完成的 2023年10月26日

Removing the resistors you showed was not a solution for me, but I discovered something new. The process I have done is available in the forum here. I had to use your photo, I didn't have a clearer photo, sorry.

Link: https://www.technopat.net/sosyal/konu/ms...

由 qRazieL 完成的 2024年1月5日

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oldturkey03 @oldturkey03 声誉积分: 782.4千 1.1千 893 2.3千 · Answer 2 · 2023-06-06T14:16:31-07:00

oldturkey03 @oldturkey03

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@coys77 yes. Those are the ribbon cables coming of your driver boards. Any damage to those will manifest itself by errors on your display.

Those ribbon cables are connected via a special process (TAB) which makes it almost impossible for a DIY repair. You are most likely in need of a new panel.

Old question and this is just to clarify things.

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Albert @v3nuo 声誉积分: 3.2千 4 8 1 · Answer 3 · 2021-02-08T02:33:12-07:00

Albert @v3nuo

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Horizontal or a vertical lines on your LCD display usually indicates a bad LCD display (the panel itself has a very "partial", or "localized" failure). You can try with another screen to see if the issue insists. Or check out the post - How to Fix Vertical Lines on Monitor.

If it is the hardware problem, you’ll have to replace the screen.

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Thanks for the reply, added a quick update to the question.

由 Karl C 完成的 2021年2月8日

@coys77 You're most welcome.

由 Albert 完成的 2021年2月8日

if u have the one with 4 resistor and the rt6820a just remove the 2 ones that are vertical farther away from the controller.

由 Mr. Catalin 完成的 2023年4月29日

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József Szénási @jozsefszenasi 声誉积分: 1 · Answer 4 · 2023-06-06T10:38:20-07:00

József Szénási @jozsefszenasi

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I had the same problem, I removed 2 smd resistors and mine didn't resolve, there are still horizontal stripes at the bottom of the screen, of course until it warms up, then it's ok, maybe some idea

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@jozsefszenasi what exact model is your TV? Which Resistors did you remove? Post some pictures with your question so we can see what your TV shows you. 在已经存在的问题里加入图片

由 oldturkey03 完成的 2023年6月6日

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Samsung Display

Samsung C32HG70 horizontal lines

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Update (04/29/23)

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