Epson GT-9000 Service Manual page 76

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5.5 REPAIR OF THE MAIN CONTROL BOARD

This section provides instructions for repairing a defective main board. It describes various

problems, likely causes, checkpoints, and solutions. The checkpoint column provides proper

waveforms, resistance values, and other values to checked to evaluate the operation of any

component that might be bad. Check these values and take the appropriate action.

Table 5-15. Repair of the Main Control Board

Rev. A

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