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how adjust 25 inch Sony CRT TV(155watt) with normal China TV kit(75 watt) Answered

Assalamu alaikum hi brothers, iam an TV mechanic and I get an very older Sony Trinitron 25 inch TV with dead mainboard I will adjust in it universal China kit but problems have 1- horizontal output transistor too mush heat and short 2- supply transistor is over heat and short 3- I can't get big ore wide size picture on this Sony screen any solution I components changing to get better results I will adjust an Sony flyback in TV china kit but this flyback creat more problem I get black lines on screen I don't understand how I solv these problems I have two month search and gone some other mechanic's but he will not help me this is my wish i manually make an simple TV board for sony 25_ inch screen are any help me here please

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ImAtech

3 months ago

Is the kit rated for a 25 inch tube. If not then it would take much redesign of the circuitry. Not practical.

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manzarHOSSAINImAtech

Reply 3 months ago

And sir can u solve this problem I have some flyback lg and Sony I adjust into in China kit but I get black wide lines on screen with display like vertical lines but display okay only problem how solve these black lines problem

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manzarHOSSAINImAtech

Reply 3 months ago

Thanks to reply can u gave me diagram or tell me what's components I changing or redesigne circuit to use for an 25 inch screen
I have some older Sony and Lg TV mainboard including some components are fine like supply part horizontal part
etc
okay PLEASE CAN U GAVE ME AN DIAGRAM TO DESIGN NEW ORE REDESIGN THIS UNIVERSAL CHINA KIT
I replaced some components like flyback output transistor but there's no success original Sony horizontal output transistor are going to heat