Toshiba e-studio281c - Connection Error between the SLG Board and the SYS Board; SRAM Abnormality on the SYS Board; NVRAM Abnormality on the SYS Board; SRAM;NVRAM Abnormality on the SYS Board

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TROUBLESHOOTING

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[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 cir-

cuited.

(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.

[F091] NVRAM abnormality on the SYS board

(1) Turn the power OFF and start up the Setting Mode (08).

(2) When the message “NVRAM ERROR DOES IT INITIALIZE?” is displayed on the LCD, press the

[INTERRUPT] or [INITIALIZE] button. (NVRAM is initialized.)

(3) Perform the panel calibration (08-692).

Note: Note:

When the NVRAM is initialized, the scanner and image processing related adjustments are also

initialized. Readjust them after the NVRAM initialization.

(4) Turn the power OFF and then back ON. If the error is not recovered, replace the NVRAM on the

SYS board.

[F092] SRAM/NVRAM abnormality on the SYS board

(1) Turn the power OFF and start up the Setting Mode (08).

(2) When the message “NVRAM/SRAM ERROR DOES IT INITIALIZE?” is displayed on the LCD,

press the [INTERRUPT] or [INITIALIZE] button. (SRAM is cleared and NVRAM is initialized.)

(3) Perform the panel calibration (08-692).

Note: Note:

When the NVRAM is initialized, the scanner and image processing related adjustments are also

initialized. Readjust them after the NVRAM initialization.

(4) Turn the power OFF and then back ON. If the error is not recovered, replace the NVRAM on the

SYS board.

[F350] SLG board abnormality

(1) Check if the conductor pattern on the SLG board is short circuited or open circuited.

(2) Replace the SLG board.

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