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Guides and repair information for televisions from Hitachi, a Japanese electronics manufacturer.

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Hitachi tv random crashes

Hi,

I've got an hitachi tv model number l22dp04u a, and ive got an issue with that i cant seem to constantly replicate.

The TV will turn on a work as normal until a after a random period of time it will make the speakers pop then either a set of green and purple or 2 shades of grey lines will appear on the screen.

Unplugging the tv and and leaving it for a few seconds returns it to normal until it does it again after a random amount of time.

It seems to be worse once the TV gets warm but im struggling to get any ideas of what is going on, i have googled the issue but can't seem to find anything similar to the symptoms.

Anyone have any idea if its likely to be a main board or a psu board issue.

Regards

Ian

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@porkchopsachunk this "the speakers pop then either a set of green and purple or 2 shades of grey lines" would lead me to check the main board first. Of course there are still plenty of other possibilities and we would need to see what your boards look like etc. It probably overheats a component which then causes those issue. Possibly a voltage regulator or other IC on your board. Remove the back cover form your TV and look at the boards (don't touch just yet:-) see if you can find components that look discolored etc. Post some good pictures of your boards with your QUESTION. iFixitでの質問に画像を追加する方法

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ian blackburn さん、ありがとうございました！
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