Toshiba e-STUDIO 5540C Service Manual page 890

[C5A1] SRAM board data abnormality (LGC board)
Classification
Optional communication related
service call
Check item
SRAM board
LGC board
Replace parts
SRAM board
LGC board
[C900] Connection error between the SYS board and the LGC board
Classification
Circuit related service call
Check item
IMG board
SYS board
LGC board
Replace parts
LGC board
SYS board
IMG board
[C901] System format error for scanner
Classification
Circuit related service call
Check item
Main power switch
SLG board
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
SRAM board data abnormality (LGC board)
• Connector check
• Board check
• Battery check
• Connector check
• Board check
Connection error between the SYS board and the LGC board
• Connector check (CN422, CN423, CN424)
• Board check
• Connector check (CN135)
• Board check
• Connector check (CN319, CN320)
• Board check
If the problem is not corrected with the replacement of the
LGC board, reinstall the removed LGC board and replace the
IMG board.
If the problem is still not corrected with the replacement of the
SYS board, reinstall the removed SYS board and replace the
IMG board.
System format error for scanner
Does service call still occur even after turning OFF the main
power switch then back ON?
• Connector check (CN12)
• Board check
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Error item
Measures
Remarks
Error item
Measures
Remarks
Error item
Measures