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Need help in sharp tv

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kwavax:
hello
the tv start but the screen is black with no light in it
before this problem the tv was view black screen and return

it's 20h-sc  M CHASSIS

chrissie jones:
send me a photo of it.

kwavax:
i'm sorry  i can't upload pic now
but it's no raster sound is Irregular
i tested 140v and 300v it's ok
the lamp of crt is low light

kwavax:
thanks
the fault was in 7809 regelator and the tv works good now

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