Having problems with your Standard (CRT) Televisions ?

Have a lg tv, mod #21fj4rb,came in for repairs.found HOT shorted out,replaced it & HV started to come out at top of FBT ,replaced it & then tv starts up for about four seconds &then shuts down.cheeks where made & found that the screen resistor&diode were blown,also found a transistor&30 volt zener diode& ABL diode defective,replace all components & still tv shuts down, i'm at my wits as to know what is the problem?can anyone help?thanking you in advance! vic

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Repair Help & Product Troubleshooting for Standard (CRT) Televisions
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Have a lg tv, mod #21fj4rb,came in for repairs.found HOT shorted out,replaced it & HV started to come out at top of FBT ,replaced it & then tv starts up for about four seconds &then shuts down.cheeks where made & found that the screen resistor&diode were blown,also found a transistor&30 volt zener diode& ABL diode defective,replace all components & still tv shuts down, i'm at my wits as to know what is the problem?can anyone help?thanking you in advance! vic

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