Rap 01: No Lcd Display - OKIDATA OF1000 Service Manual

RAP 01: No LCD Display

START
Is the Okifax 1000 powered ON?
NO Power ON the Okifax 1000.
YES Is + 5 vdc present at CN1, pin 6 of the OPE-150 board?
Is the problem resolved?
YES End of Procedure.
NO Replace the MCNT-150.
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YES Check the cable between CN1 of the OPE-150 and CN9 of the
MCNT-150 for damage. Replace the cable if damaged.
NO Is + 5 vdc present at CN7, pin 8 of the MCNT-150 board?
YES Replace the OPE-150 board.
NO Replace the PWU-150 board.
Service Guide OF1000
Chapter 4 Failure & Repair Analysis
Page: 132