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e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
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REPLACEMENT OF PC BOARDS
9 - 4
9.2
Disassembly and Replacement of PC Boards
<23LA/23LM/28LM/23HA/28HA>
Notes:
If the PC board has to be replaced due to an operational defect, this may have been caused by a
contact failure of the connector. Before replacing the board, disconnect and then reconnect the
connector to check if this action eliminates the operational defect.
9.2.1
Main board (MAIN)
(1) Take off the rear cover.
(
P. 4-6 "4.1.10 Rear cover <23LA/23LM/
(2) Disconnect all connectors on the main board.
Fig. 9-9
(3) Remove 4 screws and take off the main
board [1].
Notes:
1. When replacing the main board, also
attach the memory
*
[2] to the new main
board from the old main board.
2. Be sure to perform "05-3219" with the
platen cover or the RADF closed after
replacing the main board.
3. When installing the memory
*
[2], be sure
that its pins are attached in the correct
direction and not misaligned.
4. Do not touch the pins of the memory
*
[2]
with your bare hands. (Be careful of static
electricity.)
* 23LA/23LM/28LM: IC10
20L/23L/25L/20H/23H/25H,
23HA/28HA: IC11
Fig. 9-10
[2]
[1]
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