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I need schematic diagram of the printer RICOH 377SFNWX power supply board.

10 Нояб 2018 22:01 #4

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  • eletmoraes
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I need schematic diagram of the printer RICOH 377SFNWX power supply board.

The only thing I saw burned out is varistor 271. Replaces this component. I was hoping that it was only this component to be replaced because if it came to damage the RT7781A also would be a problem since this component could not find to replace. When you put the power supply card in the printer and turn it on, the machine has returned to working perfectly.

:lol: :lol: :lol: ;) ;) ;)
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10 Нояб 2018 22:07 #5

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I need schematic diagram of the printer RICOH 377SFNWX power supply board. Тема закрыта

eletmoraes пишет:
The only thing I saw burned out is varistor 271. Replaces this component. I was hoping that it was only this component to be replaced because if it came to damage the RT7781A also would be a problem since this component could not find to replace. When you put the power supply card in the printer and turn it on, the machine has returned to working perfectly.

:lol: :lol: :lol: ;) ;) ;)
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13 Нояб 2018 00:16 #6

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I need schematic diagram of the printer RICOH 377SFNWX power supply board.

Is the output voltage constant or changing?
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