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Forum: Troubleshooting TVs and Video Sources

05-26-2022, 01:20 AM

Replies: 4

SONY KDL-40BX440 LCD TV "MAIN_POWER" problem

Views: 347

Posted By embdd

Re: SONY KDL-40BX440 LCD TV "MAIN_POWER" problem

Thanks for the suggestions.

I redid most of the solder joints and replaced the bridge rectifier.
The MOSFETs' gates are not shorted, at least currently.
R901A reads 75k which matches its color...

Forum: Troubleshooting TVs and Video Sources

05-22-2022, 05:48 PM

Replies: 4

SONY KDL-40BX440 LCD TV "MAIN_POWER" problem

Views: 347

Posted By embdd

SONY KDL-40BX440 LCD TV "MAIN_POWER" problem

Hello guys, from a couple of weeks now, I have been trying to fix my SONY KDL-40BX440, but failing miserably.

The TV have been slowly degrading for a year now, it used to turn off/lose picture and...

Forum: Announcements & Related News

05-22-2022, 02:58 PM

Replies: 30,556

Sticky: New Members - please post your introductions here

Views: 3,380,048

Posted By embdd

Re: New Members - please post your introductions here

Hello everyone, I'm a firmware guy trying to fix my TV.

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