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Pentax ZX-5n Flash Pivot Replacement

Introduction

One common failure of the ZX-5n is the pop up flash. The pivot holding the spring can break relieving the tension on the spring. When this happens, the flash will no longer pop up to its proper position. It may be possible to repair the existing part with epoxy but you can also replace it with a donor part from another camera or with a 3D printed part. A model for the 3D printed part can be found in the Documents section of the Pentax ZX-5n page.

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  1. Pentax ZX-5n Flash Pivot Replacement, Remove back cover: étape 1, image 1 de 1

    • Push down on the screw to depress the spring loaded hinge and release the door.

    Modifier

  2. Pentax ZX-5n Flash Pivot Replacement, Remove bottom cover: étape 2, image 1 de 1

    • Remove six 5.3 mm #00 screws.

    • Remove one 3.4 mm #00 screw.

    • The short screw has a machine thread and screws into the plate underneath. The rest screw into the plastic body.

    Modifier

  3. Pentax ZX-5n Flash Pivot Replacement, Remove left front cover: étape 3, image 1 de 1

    • Remove three 5.3 mm #00 screws (the bottom-most screw is not always present).

    • Remove one 7.3 mm #00 screw.

    • Remove the remote trigger cover.

    Modifier

  4. Pentax ZX-5n Flash Pivot Replacement, Remove front cover: étape 4, image 1 de 2 Pentax ZX-5n Flash Pivot Replacement, Remove front cover: étape 4, image 2 de 2

    • Remove one 3.4 mm #00 screw.

    • Remove two 5.3 mm #00 screw.

    • Gently lift up on the flash housing to help remove the cover if necessary.

    Modifier

  5. Pentax ZX-5n Flash Pivot Replacement, Remove right front cover: étape 5, image 1 de 1

    • Remove two 3.9 mm #00 screws.

    Modifier

  6. Pentax ZX-5n Flash Pivot Replacement, Remove eye cup: étape 6, image 1 de 1

    • Slide the eye cup up and off to access the screws underneath.

    Modifier

  8. Pentax ZX-5n Flash Pivot Replacement, Unscrew top cover: étape 7, image 1 de 3 Pentax ZX-5n Flash Pivot Replacement, Unscrew top cover: étape 7, image 2 de 3 Pentax ZX-5n Flash Pivot Replacement, Unscrew top cover: étape 7, image 3 de 3

    • Remove two 5.3 mm #00 screws by the eyepiece.

    • Remove one 6.8 mm #00 screw in the battery compartment.

    • Remove one 7.0 mm #00 screw near the take up spool.

    Modifier

  9. Pentax ZX-5n Flash Pivot Replacement, Lift top cover: étape 8, image 1 de 1

    • Lift the cover so it is just free of the body. It is still attached by several wires.

    Modifier

  10. Pentax ZX-5n Flash Pivot Replacement, Discharge flash capacitors: étape 9, image 1 de 1

    • Use a 1kΩ-10kΩ resistor to discharge the capacitor. Place the resistor between the blue wire, exposed in the previous step, and ground.

    • The flash capacitors store energy at a very high voltage. Failing to discharge the capacitors properly could result in personal injury and/or damage to the camera.

    Modifier

  11. Pentax ZX-5n Flash Pivot Replacement, Release top cover: étape 10, image 1 de 3 Pentax ZX-5n Flash Pivot Replacement, Release top cover: étape 10, image 2 de 3 Pentax ZX-5n Flash Pivot Replacement, Release top cover: étape 10, image 3 de 3

    • De-solder the green, blue, brown and black wires from the flash PCB.

    • De-solder the black wire.

    • Pull the black wire out until it is completely free from the body of the camera.

    Modifier

  12. Pentax ZX-5n Flash Pivot Replacement, Desolder flex cable: étape 11, image 1 de 1

    • Desolder the flex cable connecting the top plate to the camera body.

    • Be careful not to overheat the flex circuit. Work in short durations. Allow for cool downs in between if necessary.

    Modifier

  13. Pentax ZX-5n Flash Pivot Replacement, Pop up the flash: étape 12, image 1 de 1

    • Push the release button to pop up the flash.

    Modifier

  14. Pentax ZX-5n Flash Pivot Replacement, Remove flash cover: étape 13, image 1 de 3 Pentax ZX-5n Flash Pivot Replacement, Remove flash cover: étape 13, image 2 de 3 Pentax ZX-5n Flash Pivot Replacement, Remove flash cover: étape 13, image 3 de 3

    • Remove two 2.9mm #000 screws.

    • Remove two 4.4 mm #00 screws.

    • Close the flash and lift off the top cover.

    Modifier

  15. Pentax ZX-5n Flash Pivot Replacement, Remove flash latch: étape 14, image 1 de 3 Pentax ZX-5n Flash Pivot Replacement, Remove flash latch: étape 14, image 2 de 3 Pentax ZX-5n Flash Pivot Replacement, Remove flash latch: étape 14, image 3 de 3

    • Remove one 3.4 mm #00 screw.

    • Remove the latch spring.

    • Remove the latch plate. The flash will try to pop up when it is removed.

    Modifier

  16. Pentax ZX-5n Flash Pivot Replacement, Remove pop up spring: étape 15, image 1 de 1

    • Release the spring arm from the post.

    • Remove the pop up spring.

    Modifier

  17. Pentax ZX-5n Flash Pivot Replacement, Remove the flash pivot: étape 16, image 1 de 2 Pentax ZX-5n Flash Pivot Replacement, Remove the flash pivot: étape 16, image 2 de 2

    • Remove one 3.3 mm #00 screw.

    • Hold the pivot in place while unscrewing.

    Modifier

  18. Pentax ZX-5n Flash Pivot Replacement, Install screw: étape 17, image 1 de 1

    • When using the 3D printed part supplied on the device page, install a 4mm #00 screw in the end of the pivot to hold it together.

    Modifier
Conclusion

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

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