Question about Sharp 25R-S100 25" TV

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Hyundai 14" colored tv no power

I repaired a hyundai 14" color TV. only the standby power will lights up. i check the 5volts supply in the system IC. no problem. i check the 110volts supply at the flyback transformer. still no problem. but theres no deflection in the horizontal output. is the flyback transformer is busted?

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If the final flyback is ok ,then check the driver transistor and the voltage in his collector .Probably the flyback transformer is ok.please reply.

Posted on Nov 13, 2008

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Tv is stuck on standby. The standby light (red) is steady and when I press the STANDBY button, nothing happens. no response or flashing light.


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
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https://www.youtube.com/watch?v=TR2iWN6b-LY
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check the b+ supply of your flyback if they have check the horisontal transistor. check also if they have 5v supply in the system and 9v in the chroma ic or replace the memory ic.please reply.

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1 Answer

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the problem is in your color circuit and power supply make checks in those areas check the power supply regulator, diodes, cap ,and resistors.in the color circuit replace your color ic.then you can do resoldering of the components in the those same circuit,this will contain your problem good luck.

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Hi iducher the tv power supply is faulty have a tech repair your tv.good luck

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