Toshiba e-studio 2555c, Руководство по обслуживанию

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e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 148
[C940] Engine-CPU abnormality
[C962] LGC board ID abnormality
[C964] LGC board boot process abnormality
Classification Contents
Circuit related service call Engine-CPU abnormality
Check item Measure
Main power switch Turn OFF the main power switch, then back ON.
Engine-CPU, FROM, and SDRAM Check if the conductor pattern between the Engine-CPU,
FROM is short circuited or open circuited.
Check if the conductor pattern between the Engine-CPU,
SDRAM is short circuited or open circuited.
LGC board Board check
Replacement part Measure
LGC board
Classification Contents
Circuit related service call LGC board ID abnormality
Check item Measure
Error code • Turn the power OFF and then back ON using the main
power switch, and then check if the error code changes to
another one.
• If it changes to another one, follow the procedure for the
changed error code
LGC board • Connector check (CN350)
• Board check
SYS board • Connector check (CN128)
• Board check
Replacement part Measure
LGC board
SYS board
Classification Contents
Circuit related service call LGC board boot process abnormality
Check item Measure
LGC board Turn the power OFF and then back ON using the main power
switch. If the same error occurs again, replace the LGC board.
Replacement part Measure
LGC board