Oki Data CONFIDENTIAL
44043511TH Rev.2
202 /
(a)
• YES Is the DIMM of the Main PCB set properly?
NO Set the DIMM properly. If that does not solve the problem, replace the
DIMM.
• YES Are the voltages below output to the PU IF connector of the Main PCB?
Pins 9, 10, 17, 18, 25, 26, 33, 34, 41, 42, 61, 69, 77, 85, 93: +5V±5%
Pins 1, 2, 5, 6, 13, 14, 21, 22, 29, 30, 37, 38, 45, 46, 47, 48, 49, 53, 57, 65, 73,
74, 81, 82, 89, 97, 99: 0V
YES Replace the Main PCB.
• NO Is +5V output the DENGEN connector of the Engine PCB?
Pins 1 & 3: +5V, Pins 2 & 4: 0V
YES Replace the Engine PCB.
• NO Replace the Low-Tension Power Supply Unit.
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