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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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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