How can i fix a rca tv, mod. 27v412t cuts on and off?
this kind off problem is related in power circuit board or may be the main board ,kind of electronic problem, not mechanical ,related with electrolytic capacitor,may be two or three or one,this is dried up capacitor,or devalued capacitor in rating or leaky capacitor,or broken leg capacitor,one pin break in the bottom of capacitor main causes are heated up capacitor or had power serge or getting aging old dried up electrolytic capacitor ,because these capacitor not functioning ,therefore no enough voltage for on off TV function,so TV wont come on,some times come on,some time press power button lot of time , then come on,now it wont come on at all completely,these look like symptom of intermittent power button fault,peoples think that button have only the problem and replaced the power switch only and TV should work normal ,but deep down work needed in circuit board trouble shoot and repair work needed.,to make TV operate normally again,main circuit board to be checked power supply electrolytic faulty capacitor should be sort out and be replaced with good one same value and rating.
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