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need help to repair sharp 21bn21

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marlimasilva

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All voltage on power supply secondary is ok. I am changed Horizontal transistor, vertical ic and video processor. But they don't work. The led dont blikd.
 

UNIMASTER

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replace horiz. oscilator, may be into the micon IC, also check Flyback, but my best advice is to check with a scope and have a better idea of what´s happening, good luck!
 

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