Image 1/1:
  • So you've got a Technics SA-DX1050 that is displaying an F70 code. That sucks. Lets fix it.

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Image 1/3: Image 2/3: Image 3/3:
  • Remove four case screws on the left and right sides, then remove two screws at the top of the back side.

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Image 1/1:
  • Lift up the device housing carefully. It helps to start at the rear bottom corners and pull out a little. Make sure that once the rear edges of the housing are free that you lift the front edge straight up to separate it from the front display assembly.

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Image 1/3: Image 2/3: Image 3/3:
  • Visually inspect each of the following five fuses. If you have a multi-meter handy go ahead and test the resistance of each fuse to ensure that they have not been consumed.

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Image 1/1:
  • If there were no issues with the fuses or after replacing them the issue persists we are going to need to take a look at the Digital Board.

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Image 1/3: Remove two flex cables and two other connectors from the Digital Board. Image 2/3: ''Note: If you're having issues removing the connector in the third picture you should be able to rotate the Digital Board after removing everything else then pull up on the white plastic latch.'' Image 3/3: ''Note: If you're having issues removing the connector in the third picture you should be able to rotate the Digital Board after removing everything else then pull up on the white plastic latch.''
  • Remove six screws securing the Digital Board to the Rear Panel.

  • Remove two flex cables and two other connectors from the Digital Board.

  • Note: If you're having issues removing the connector in the third picture you should be able to rotate the Digital Board after removing everything else then pull up on the white plastic latch.

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Image 1/1: ''Note: While you have your soldering iron out make sure to inspect pretty much every other solder joint on the board and re-flow it if necessary.''
  • The marked solder joints tend to crack when exposed to repeated heating and cooling.

  • Note: While you have your soldering iron out make sure to inspect pretty much every other solder joint on the board and re-flow it if necessary.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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