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Pentax PZ-1p Sprocket Counter PCB Replacement

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  1. Pentax PZ-1p Sprocket Counter PCB Replacement, Remove bottom cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Pentax PZ-1p Sprocket Counter PCB Replacement, Remove bottom cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Pentax PZ-1p Sprocket Counter PCB Replacement, Remove bottom cover: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Unlatch battery compartment door.

    • Remove one 1.7 x 4.0 mm screw.

    • Remove six 1.7 x 2.5 mm shoulder screws.

    • Remove one 1.7 x 2.5 mm long shoulder screw.

    • The bottom cover may be adhered with double sided tape in some locations. Use a spudger to gently work it loose.

  2. Pentax PZ-1p Sprocket Counter PCB Replacement, Installation Notes: Bottom cover: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Check that the physical panorama switch on the bottom cover and the electrical switch mate properly.

  3. Pentax PZ-1p Sprocket Counter PCB Replacement, Remove sprocket counter cover: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove one screw. This screw is unusual because it has a very steep thread pitch and will want to back out with very little rotation.

    • Use tweezers or a pick to unhook two snaps.

    • Work the cover free. It's a tight fit and will require some wiggling.

    • Installation Notes: Make sure that the sprocket shaft in the film chamber is in the correct position. When the sprocket shaft spins, the sprocket counter should turn as well.

  4. Pentax PZ-1p Sprocket Counter PCB Replacement, Remove gears: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove two gears.

    • The clear gear has delicate contacts on the underside. Be careful not to deform them.

    • Installation Notes: Align the dots on each gear when reinstalling.

  5. Pentax PZ-1p Sprocket Counter PCB Replacement, Remove sprocket counter PCB: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Unsolder three flex connections.

    • Remove the sprocket counter PCB.

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

Sam Gustafson

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