Ricoh D0C8, Service Manual

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SC8xx: Overall System
SM 6-91 D0CA/D0C9/D0C8/D0CB
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No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
replace the RAM-DIMM).
[0302] Optional Memory 0 Structural Error
Every time the main power is turned ON, the structure of the optional RAM is
checked.
If an error is detected at this point, the self-diagnostic module will not check
the optional RAM.
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[0401] Optional RAM1: Verify Error
In this machine, the standard RAM on the controller (2GB) is divided into the
resident RAM (1GB) and the optional RAM (1GB).
•
Defective memory device (on the Controller Board (PCB24)).
1.
Replace the Controller Board (PCB24).
[0402] Optional RAM1: Structure Error
Every time the main power turns on, structures of the optional RAM are
checked. If an error is detected at this time, the self-diagnostic module will
not check the optional RAM.
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No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC833-00 D
Self-diagnostic Error: Engine I/F ASIC
[XXXX]: Detailed error code
[0F30] Engine I/F ASIC Detection Error
ASIC (Mandolin) for engine control could not be detected.
ASIC (Mandolin) error
1.
Replace the Engine I/F board (mother board).
[50B1] Video Device: Clock Generator Detection Error
Could not initialize or read the bus connection.
•
Defective connection bus
•
Defective SSCG
1.
Replace the Engine I/F board (mother board).
[50B2] Video Device: Clock Generator Verify Error
Value of the SSCG register is incorrect.
•
Defective connection bus
•
Defective SSCG
1.
Replace the Engine I/F board (mother board).