OKIFAX 5700/5900 7 - 37.2 No LCD OperationReconnect the ACpower cord.TIME on LCD?AC power cord ON?Solved?YesSolved?StartReturn to section 7.1No+5V SUB at Pin A8of CN1 (R76)NoCheck MPW2420/2520,MCNT (R76) boards andtheir connectors.NoReplace MCNT (R76)YesReplace OPE UNIT (P76).Check MCNT (R76) boardand the cable between MCNT(R76) and OPE boards.+5V SUB at Pin 6 and 7of CN1 (OPE UNIT)?YesYesNoYesYesNoNoReturn to section 7.1
