Toshiba e-STUDIO556 Service Manual page 647

Replace parts
Carriage
[C262] Communication error between CCD board and SYS board (only for e-STUDIO557/657/
757/857)
Procedure Check item
1 Lens unit
2 SYS board
3 Harness
Replace parts
Lens unit
SYS board
Harness
© 2011 - 2014 TOSHIBA TEC CORPORATION All rights reserved
Remarks
Measures
1. Check if the connector of the CCD board is connected
properly.
2. Check if the mounted parts on the CCD board are damaged or
abnormal.
3. Check if 5 V is supplied to the CCD board.
4. Check if +3.3 V is output from IC9.
5. Replace the Lens unit.
1. Check if the connector of the SYS board is connected
properly.
2. Check if the mounted parts on the SYS board are damaged or
abnormal.
3. Check if 5 V is supplied to the SYS board.
4. Replace the SYS board.
1. Check if the harness is caught or open circuited.
2. Check if there is any abnormality in the connector terminal or
the contacting surface of the flat harness.
3. Replace the harness between the SYS board and the CCD
board.
Remarks
8 - 95
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
8