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Schematic of Openbox Z5 satellite Receiver

Thread starter #1
I want to find out the Schematic or the service manual of Openbox Z5 satellite Receiver.
Its power on, but can not tune to satelliet signals. 12V should out from the tuner to the LNB. That 12 V does not out. I want to go thru the schematic and repair. Please help me.
Thread starter #3
Thank you so much for your reply. I will try to solve the problem with help of the diagram you sent. Or I will try to contact the manufacturer.

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