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November 2003 © TOSHIBA TEC 5 - 53 e-STUDIO3511/4511 TROUBLESHOOTING
[C960] Connection error between the LGC board and the DRV board, ID abnormality
(1) Check if the connectors CN360 and CN331 on the LGC board are completely inserted or not
disconnected.
(2) Check if the connector J434 on the DRV board is completely inserted or not disconnected.
(3) Check if the harness connecting the DRV board (J434) and the LGC board (CN360) is open
circuited.
(4) Check if the harness connecting the LGC board (CN331) and the high-voltage transformer (J480)
is open circuited.
(5) Check if the conductor pattern on each board is short circuited or open circuited.
(6) Replace the DRV board.
(7) Replace the LGC board.
(8) Ask a specialist for a repair (Abnormal ID).
[C9E0] Connection error between the SLG board and the SYS board
(1) Check if the connector CN18 of the SLG board is completely inserted or not disconnected.
(2) Check if the connector CN102 of the SYS board is completely inserted or not disconnected.
(3) Check if the harness connecting the SLG board (CN18) and the SYS board (CN102) is open
circuited.
(4) Check if the conductor pattern on each board is short circuited or open circuited.
(5) Replace the SLG board.
(6) Replace the SYS board.
[F090] SRAM abnormality on the SYS board
(1) Turn the power OFF and start up the Setting Mode (08).
(2) When the message “SRAM ERROR DOES IT INITIALIZE?” is displayed on the LCD, press the
[INITIALIZE] button. (SRAM is cleared.)
(3) Turn the power OFF and then back ON. If the error is not recovered, replace the SYS board.