crwdns2933423:0crwdne2933423:0

Pentax ZX-5n Sprocket Counter PCB Replacement

crwdns2942213:0crwdne2942213:0

  1. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove back cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Push down on the screw to depress the spring loaded hinge and release the door.

  2. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove bottom cover: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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.

  3. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove left front cover: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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.

  4. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove front cover: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Remove front cover: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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.

  5. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove right front cover: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove two 3.9 mm #00 screws.

  6. Pentax ZX-5n Sprocket Counter PCB Replacement, Prepare bottom plate: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Prepare bottom plate: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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.

  7. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove bottom plate: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Remove bottom plate: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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.

  8. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove transport gears: crwdns2935265:08crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Remove transport gears: crwdns2935265:08crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • It's best to remove these parts now so they don't fall out later on in the repair.

  9. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove transport gear carrier: crwdns2935265:09crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Remove transport gear carrier: crwdns2935265:09crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Remove transport gear carrier: crwdns2935265:09crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • 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.

  10. Pentax ZX-5n Sprocket Counter PCB Replacement, Remove sprocket counter PCB: crwdns2935265:010crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Pentax ZX-5n Sprocket Counter PCB Replacement, Remove sprocket counter PCB: crwdns2935265:010crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove one X mm screw.

    • Unsolder one purple wire.

    • Unsolder one yellow wire.

crwdns2915888:0crwdne2915888:0

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

Sam Gustafson

crwdns2935283:009/01/22crwdne2935283:0

7,712 crwdns2915208:0crwdne2915208:0

crwdns2935297:042crwdne2935297:0

crwdns2947412:00crwdne2947412:0

crwdns2917038:0crwdne2917038:0

crwdns2936625:0crwdne2936625:0:

crwdns2936751:024crwdne2936751:0 2

crwdns2936753:07crwdne2936753:0 8

crwdns2936753:030crwdne2936753:0 8

crwdns2942667:0crwdne2942667:0 25