No LNB 18V supply

bbg001

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13
Hello,

I have Mutant 200S.

I found out that only vertical channel can be received.

By checking the LNB supply, I found that only the 13V is coming out of the box.

What could be the reason? Which component is in charge for the power to the LNB?

Is it possible to have the schematic for the main board.

Thanks.
 
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