Pentax ZX-5n Sprocket Counter PCB Replacement

Written By: Sam Gustafson
  • Comments: 0
Pentax ZX-5n Sprocket Counter PCB Replacement

Difficulty

Easy

Steps

10

Time Required

30 minutes

Introduction

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

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    • 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.

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    • 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.

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    • 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.

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    • Remove two 3.9 mm #00 screws.

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    • Remove two 3.4 mm #00 screws. Remove the plate holding the contacts in place.

    • Peel tape from the plate. Leave the tape attached to the flex circuit.

    • Remove the flex circuits from their retaining studs.

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    • Remove one 3.3 mm #0 countersunk screw.

    • Remove one 3.9 mm #0 shoulder screw.

    • Remove four 3.3 mm #00 screws.

    • Pull a little slack through the housing on this flex cable.

    • Pop the plate off its posts, rotate slightly clockwise and pull gently through the loosened flex cable.

    • To the camera tech that left me a happy little note...I see you.

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    • It's best to remove these parts now so they don't fall out later on in the repair.

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    • Gently pull the speaker from its retention posts.

    • Remove two 5.1 mm #00 screws.

    • Installation Notes: The transport gear carrier mates with the sprocket shaft here using a squared off spindle. Make sure they mate properly when reassembled.

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    • Remove one X mm screw.

    • Unsolder one purple wire.

    • Unsolder one yellow wire.

Conclusion

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

Author

Sam Gustafson

Member since: 02/09/22

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