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I was skeptical at first but later found the manual to be good quality for the price. It took a couple hours to receive the email with the download link, well worth the wait. Thanks.
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very helpful, I could not have cleaned motherboard and replaced the main fan without it
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Good manual, schematics nice and clear with good quality scanning. Woul dhave been nice to have immediate access after purchasing though.
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I was very glad recieving the service manal from You. Manuals were delivered promptly and were correct as advertised. A complete and very usefull service manual with all details. Thank you!
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Very clear copy. No pages missing. Big bonus is that it includes supplement. Price is affordable compared to what others ask for.
3.3.21 Control Board
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When exchanging the control board, remove the EEPROM off the existing board and install it on the new one. The control board is different for each model. OL400e and OL4OOex: OLCW-PCB OL4lOex: OLCW-3 PC9 Remove the upper cover (see 3.3.1).
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(1)
(2) Remove the lower base unit (see 3.3.8).
(3)
Remove two screws 0.
(4) Move the control board Q in the direction of the arrow to disconnect it from the power supply board Q. (5) Remove the control board 8 together with the PC9 guide plate @ (remove the fan motor Q at the same time). (6) Remove three screws 8 and two posts 0, and remove the PCB guide plate @ from the control board @. (7) Disconnect the connector from CNl of the control board 8, and remove the fan motor Bt. Note: Install the EEPROM @I on the new control board.
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