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this manual make me repair my vintage radio with easily.
Thank you for your best service
sukpra
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A good manual. Had everything i needed to make the repair.
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This manual is a complete guide, including later additions. It has all the necessary information about the replacement items. The material quality is great to read.
 ;
This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
3.3.21 Control Board
.
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).
.
(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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