e-STUDIO182/212/242 © 2009 TOSHIBA TEC CORPORATION All rights reservedOUTLINE OF THE MACHINE2 - 222.6 Disassembly and Replacement of PC boardsNotes:• When the PC board/HDD is replaced, refer to each CAUTIONS of TROUBLESHOOTHING inthe SERVICE HANDBOOK.• If the PC board has to be replaced due to an operational defect, this may have been causedby a contact failure of the connector. Before replacing the board, disconnect and thenreconnect the connector to check if this action eliminates the operational defect.2.6.1 MAIN board (MAIN)(1) Take off the rear cover.P.2-21 "2.5.10 Rear cover"(2) Disconnect 16 connectors.Note:Connect the flat harness to the MAIN boardwith its electrode side down. An error “CA2”will be displayed if the connection isincorrect.Fig. 2-23(3) Remove 6 screws and take off the MAINboard.Notes:1. When replacing the MAIN board, alsoattach the SRAM board to the new MAINboard from the old MAIN board.2. Be sure to perform “08-389” after theSRAM board has been replaced.3. Be sure to perform "05-310" with theplaten cover or the ADF/RADF closedafter replacing the MAIN board.Fig. 2-24MAIN board