horizontal lines at bottom of screen

Question

Sony Television

Repair guides and support for televisions manufactured by Sony.

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Yusuf ashraf @seafury

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投稿日: 2018年12月22日

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horizontal lines at bottom of screen

Hi, i have a KD 55S8500D Sony Bravia and i have these horizontal lines that appear at the bottom of the screen, they are very disturbing

Some other info: Tried full reset, restart, changed picture mode, didnt work

The lines seem to follow the colour of the image above it, if this is the picture it may look like this

ABC

_____

The lines only appear when pictures appear

here are some photos

(hope its added i cant see the pictures at mobile)

@oldturkey03

these ribbons?

so far i only pushed these 2 ribbons, didnt had any noticable effects

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oldturkey03 @oldturkey03

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投稿日: 2018年12月23日

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@seafury

horizotal lines like this are most commonly caused by a bad panel (failed gate drivers on the LED driver board). Check to see if you have thin ribbon cables entering the side of your TV (those come from the driver board and enter the LCD screen. Those are bonded to the panel. Apply some pressure on the ribbon cables that corresponds to the area where the line is. If those lines disappear, it is possibly a failed bond. Those are hard to fix permanently without the proper tool but sometimes a tightly applied strip of clothes tape will restore it for awhile.

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ive pushed some ribbons that i found behind the tv, didnt do much help tho

Yusuf ashraf さんによる2018年12月23日

@seafury no. The ribbon cables are on the inside of your TV.

oldturkey03 さんによる2018年12月24日

Sorry for the late reply, i found those ribbon cables(thanks!) but it did not help much :c its been nearly 2 years and things has gone worst

Yusuf ashraf さんによる2020年3月8日

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ive pushed some ribbons that i found behind the tv, didnt do much help tho — Yusuf ashraf
@seafury no. The ribbon cables are on the inside of your TV. — oldturkey03
Sorry for the late reply, i found those ribbon cables(thanks!) but it did not help much :c its been nearly 2 years and things has gone worst — Yusuf ashraf