Question about Samsung CW29M64NS 29" TV

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Str x6750 why the o/p voltages are more than 150 volts?

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  • Sita Kansra
    Sita Kansra May 28, 2014

    After replacing STR x6750 and optocopler the problem was soved Thanx a lot



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More than 150V is how many volts precisely? Put a bulb of 220V 60W across the capacitor and test again. If voltage does not drop to normal, check power supply components or replace the STRX6750. Don't forget to replace the optocoupler too.

Posted on May 12, 2014

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Check all the other components, at related SMPS circuit, for any loose solder terminals. Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts.
It will be best to replace the power supply regulator board as card basis.

Posted on May 10, 2014


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