Beomaster 5000 power problem

[gpv]

Hi all, I have updated my beomastrer 5000 changing the critical capacitors, the relays, cleaned the trimmers and fixed the door opening, everything went well except one defect, when I press on the right panel for ignition it doesn’t turn on , but if I open the cover and press a key like radio or tape it turns on normally. After that it works normally by turning it off or on again from the panel. If I unplug it and plug it back in, the problem returns.
The battery is charged. Can someone help me? Have you ever had this problem?

[gpv]

Up until yesterday it worked fine this way.
Today as soon as I turned it on I heard a popping sound and it smoked. Practically the integrated display MM5450N is burned, I do not understand why.
Can it be replaced? could it burn again?

[Author]

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