e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C © 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE and TROUBLESHOOTING
8 - 136
[C9E0] Connection error between the SLG board and the SYS board
[F090] SRAM abnormality on the SYS board
Step Check Item Result Measure
Next
Step
1
LGC board Connector check (CN319, CN320)
2
IMG board Connector check (CN423, CN424,
CN426)
3
Harness between the IMG board
and the LGC board
Harness check
4
Harness between the IMG board
and the low-voltage power supply
Harness check
Check item Measures
Harness between the IMG board and
the LGC board
LGC board If the problem is not corrected by the replacement of the LGC
board, reinstall the removed LGC board and replace the IMG
board.
IMG board If the problem is not still corrected by the replacement of the
IMG board, reinstall it and ask a specialist to repair it.
(Abnormal ID)
Harness between the IMG board and
the low-voltage power supply
Classification Error item
Circuit related service call Connection error between the SLG board and the SYS board
Check item Measures
SLG board • Connector check (CN12)
• Board check
IMG board • Connector check (CN421, CN422)
• Board check
SYS board • Connector check (CN135)
• Board check
Replace parts Remarks
SLG board If the problem is not corrected with the replacement of the
SLG board, reinstall the removed SLG board and replace the
IMG board.
IMG board If the problem is still not corrected with the replacement of the
IMG board, reinstall the removed IMG board and replace the
SYS board.
SYS board
Classification Error item
Circuit related service call SRAM abnormality on the SYS board
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