Introduction

If the Sony Cyber-shot DSC-HX300 is failing to power, while it has a full battery and the LCD screen works, then it is possible that the motherboard has gone out and needs to be replaced.

Make sure the camera is powered off
  • Make sure the camera is powered off

  • Turn the camera upside down. This is a view of the bottom of the camera.

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Push battery cover away from the camera.
  • Push battery cover away from the camera.

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Push the blue tab that secures the battery. The battery will then spring out.
  • Push the blue tab that secures the battery. The battery will then spring out.

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Black Friday
Broken doesn't stand a chance.
Remove the battery. Remove the battery.
  • Remove the battery.

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Make sure to remove the battery before disassembly to prevent electrocution. Remove the 3 (4 cm) Phillips head screws located on the back of the camera. Remove the 2 (4 cm) Phillips head screws on the right side of the camera.
  • Make sure to remove the battery before disassembly to prevent electrocution.

  • Remove the 3 (4 cm) Phillips head screws located on the back of the camera.

  • Remove the 2 (4 cm) Phillips head screws on the right side of the camera.

  • Turn the camera upside down to remove the remaining the 3 (4 cm) Phillips head screws holding the plastic camera housing together.

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Using a plastic opening tool, separate the plastic camera housing. Using a plastic opening tool, separate the plastic camera housing.
  • Using a plastic opening tool, separate the plastic camera housing.

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Disconnect the ribbon wire attaching the screen to the camera.
  • Disconnect the ribbon wire attaching the screen to the camera.

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Carefully remove the 7 ribbon wires connected to the mother board. Remove the 2 (5 cm) Phillips head screws on the speaker mounting bracket. Remove the 3 (4 cm) Phillips head screws that secure the motherboard to the camera.
  • Carefully remove the 7 ribbon wires connected to the mother board.

  • Remove the 2 (5 cm) Phillips head screws on the speaker mounting bracket.

  • Remove the 3 (4 cm) Phillips head screws that secure the motherboard to the camera.

  • Lift up on the speaker mounting bracket to remove it.

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Carefully disconnect the ribbon wire connecting the HDMI port to the Motherboard. Once the Motherboard is removed the replacement can be installed.
  • Carefully disconnect the ribbon wire connecting the HDMI port to the Motherboard.

  • Once the Motherboard is removed the replacement can be installed.

Would you know how do I remove the lens parts? My zoom is broken and I can find new parts on ebay, but I don't know how to remove and replace it. Thanks!

flaviowolff - Reply

Conclusion

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

Elizabeth Surface

Member since: 08/26/2015

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USF Tampa, Team 4-6, Meier Fall 2015 Member of USF Tampa, Team 4-6, Meier Fall 2015

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One Comment

During my vacation two capicators on the motherboard failed and 'exploded'.

I've ordered the motherboard and replaced it exactly as described here. Thanks for the explanation!

But since I've replaced it, I have autofocus problems, the camera isn't capable to focus, especially in wide zoom.

Is this something that needs to be calibrated or something?

Erik Mourik - Reply

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