Alloy Maxhub C75CA-BO9D72D-M, Service Manual

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2. Maintenance Description
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To replace the circuit boards you need to remove first the rear covers and wires.
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To replace the TV main board, you need to remove the lower terminal block, the
side terminal block.
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Cut off the power before performing replacement, so as to prevent any short
circuit resulting from contact of wires.
Please note whether the ports of the cables are properly connected in order to
prevent the component from being burnt due to inserting in the wrong ports.