ivtech
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Jul 15, 2008, 10:21 PM
Post #32 of 32
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Re: [flatscreen] RCA 25 inch picturetube type.
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My freind things don't work like you say just by replacing components,before replacing stuff you have to make shure that the components that you are replacing are the cause off your fault,and this is done by testing components and circuit,since you seem not to know how to test and don't have testing equipment like a good Digital meter and an osciloscope,so you have to follow the advice that has been given to you by some of us, all you have to do is to reed well all our posts from the start and follow instructions, but you seem to want to do things your way,and thus you will never fix it unless you start to replace all components one by one,and have pure luck,but if your fault is most likely a cold solder (Bad joint) or one bad circuit trace broken, all what you're trying to do is to give a shot in the dark,
Beside you said you had low volts on the collector of the hot that also could be caused by U14101,U14102,and most likely CR14117 an zener diode as you see there are a few things that can make your fault,but a smart aproch for you that don't know much and don't have the proper testing equipment would be first of all test the hot like we suggested than if good resolder the Horizontal circuit, if you don't know where to resolder, just get hold of your soldering tool and resolder all the solder points and pins in site on the whole board. but make shure you don't give too much heat to the components,3 seconds is the time you have to leave your solder heating tip on some components otherwise you may over heat and distroy some components like transistors and IC's and so on. good luck my freind.
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