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Pentax Super Program Front Lens Board Removal

O que você precisa

  1. Pentax Super Program Front Lens Board Removal, Remove film advance lever: passo 1, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove film advance lever: passo 1, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Remove film advance lever: passo 1, imagem 3 %32
    • Remove the rubber decorative cap. It is attached with contact cement underneath. Isopropyl Alcohol may be used to soften the adhesive.

    • Unscrew the lock nut using a spanner wrench. The lock nut is reverse threaded.

    • Lift off the advance lever.

    • Remove the spring washer.

    • Remove one shim washer.

  2. Pentax Super Program Front Lens Board Removal, Remove mode dial: passo 2, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove mode dial: passo 2, imagem 2 %32
    • Set the mode dial to the 'L' position.

    • Use a spanner wrench to unscrew the dial lock nut.

    • Lift off the mode dial.

  3. Pentax Super Program Front Lens Board Removal, Remove exposure compensation dial: passo 3, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove exposure compensation dial: passo 3, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Remove exposure compensation dial: passo 3, imagem 3 %32
    • Place a rigid object in the fork.

    • Unscrew the rewind lever.

    • Use a spanner wrench to remove the lock nut.

    • Lift off the exposure compensation dial.

  4. Pentax Super Program Front Lens Board Removal, Remove top cover screws: passo 4, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove top cover screws: passo 4, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Remove top cover screws: passo 4, imagem 3 %32
    • Remove two screws on either side of the eye piece.

    • Remove two screws on either side of the lens mount.

  5. Pentax Super Program Front Lens Board Removal, Remove top cover: passo 5, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove top cover: passo 5, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Remove top cover: passo 5, imagem 3 %32
    • Remove one screw by the exposure compensation dial.

    • Use a spanner wrench to remove the lock nut under the advance lever.

    • Lift off the top cover slowly. It is still attached by one wire.

    • Unsolder one gray flash sync wire.

  6. Pentax Super Program Front Lens Board Removal, Remove bottom cover: passo 6, imagem 1 %32
    • Remove three M1.7 x 3 mm screws.

    • Remove bottom cover.

  7. Pentax Super Program Front Lens Board Removal, Remove front leatherette panels: passo 7, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove front leatherette panels: passo 7, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Remove front leatherette panels: passo 7, imagem 3 %32
    • Use a nickel or other large coin to remove the hand grip.

    • Drip isopropyl alcohol along the edge of the leatherette to soften the adhesive.

    • Use a dull scraper to lift one corner and pull off the panel.

    • Repeat on the rewind side of the camera.

    • Installation Notes: Use contact cement to reattach the leatherette after the camera has been fully reassembled and tested.

  8. Pentax Super Program Front Lens Board Removal, Detach flex PCB with adjustment pots: passo 8, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Detach flex PCB with adjustment pots: passo 8, imagem 2 %32
    • Remove one M1.7 x 4.5 mm screw.

    • Remove one slotted screw.

    • Use isopropyl alcohol to soften the adhesive under the flex PCB.

    • Gently lift the PCB until it is free from the camera body.

  9. Pentax Super Program Front Lens Board Removal, Unsolder wires under bottom plate: passo 9, imagem 1 %32
    • Unsolder one red wire.

    • Unsolder one light blue wire.

    • Unsolder one orange wire.

    • Unsolder one purple wire.

  10. Pentax Super Program Front Lens Board Removal, Remove tripod mount: passo 10, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove tripod mount: passo 10, imagem 2 %32
    • Remove one M1.7 x 4.5 mm screw.

    • Remove one M1.7 x 5 mm screw.

    • Remove one countersunk M1.7 x 5.5 mm screw.

    • Lift the contact terminal free from its seat.

    • Remove the tripod mount.

  11. Pentax Super Program Front Lens Board Removal, Detach ISO resistor assembly: passo 11, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Detach ISO resistor assembly: passo 11, imagem 2 %32
    • Remove one slotted screw.

    • Remove one M1.7 x 4 mm screw.

    • Loosen one slotted screw (this will remain connected to the assembly).

    • Lift the ISO resistor assembly off the rewind post. It is still attached by a flex PCB.

  12. Pentax Super Program Front Lens Board Removal, Detach mode dial unit: passo 12, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Detach mode dial unit: passo 12, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Detach mode dial unit: passo 12, imagem 3 %32
    • Remove one M1.7 x 2.5 mm screw. It is only accessible when the mode dial is in the 'L' position.

    • Remove one crosshead screw.

    • Lift the LCD out of the way. It is still attached by a flex PCB.

    • Remove one M1.7 x 2.5 mm screw.

    • Remove one slotted screw.

  13. Pentax Super Program Front Lens Board Removal, Unsolder flash sync and shutter wires: passo 13, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Unsolder flash sync and shutter wires: passo 13, imagem 2 %32
    • Unsolder one gray wire.

    • Unsolder one red wire.

    • Unsolder one brown wire.

    • Unsolder one white wire.

  14. Pentax Super Program Front Lens Board Removal, Unscrew front board: passo 14, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Unscrew front board: passo 14, imagem 2 %32
    • Remove four M1.9 x 5 mm screws.

  15. Pentax Super Program Front Lens Board Removal, Unscrew mirror box: passo 15, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Unscrew mirror box: passo 15, imagem 2 %32
    • Remove two M1.7 x 2.5 mm screws.

    • Remove one M1.7 x 3.5 mm screw under the bottom plate.

    • Some versions of the camera may have an additional screw under the tripod mount that needs to be removed.

  16. Pentax Super Program Front Lens Board Removal, Remove mirror box and front board: passo 16, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove mirror box and front board: passo 16, imagem 2 %32
    • Wind the shutter

    • Make sure the mode dial unit and ISO selector unit are free from their mounting points.

    • Wiggle the mirror box and front board free.

    • Watch for wire snags as you pull it free.

    • Check for loose shim washers on the front board and note their position.

  17. Pentax Super Program Front Lens Board Removal, Installation Notes: Front Block: passo 17, imagem 1 %32
    • Shutter should be in the charged state.

    • Mirror box should be in released state.

    • Pay close attention to wire routing during install.

    • To test the actuation of the mirror and shutter, wind the camera, then insert a tool into this slot and push the release lever to the left.

  18. Pentax Super Program Front Lens Board Removal, Unsolder Main PCB: passo 18, imagem 1 %32
    • Unsolder one orange wire.

    • Unsolder one blue wire.

    • Unsolder one pink wire.

    • Unsolder two purple wires.

    • Unsolder one green wire.

  19. Pentax Super Program Front Lens Board Removal, Unsolder Main PCB: passo 19, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Unsolder Main PCB: passo 19, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Unsolder Main PCB: passo 19, imagem 3 %32
    • Unsolder two yellow wires for the aperture resistor.

    • Unsolder one gray wire for flash sync.

    • Unsolder one red wire for metering cell power.

    • Unsolder one black wire for metering cell power.

    • Unsolder one gray wire for flash sync.

    • Unsolder one pink wire for flash sync.

  20. Pentax Super Program Front Lens Board Removal, Detach flex PCB connection: passo 20, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Detach flex PCB connection: passo 20, imagem 2 %32
    • Remove two M1.4 x 2 mm screws.

    • Use a spudger to gently pry off the connector plate.

    • Remove the silicone insulating pad.

  21. Pentax Super Program Front Lens Board Removal, Detach viewfinder LCD: passo 21, imagem 1 %32
    • Remove two M1.4 x 1.6 mm screws.

    • Look for shim washers when removing and note their position.

  22. Pentax Super Program Front Lens Board Removal, Remove mirror governor: passo 22, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Remove mirror governor: passo 22, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Remove mirror governor: passo 22, imagem 3 %32
    • Remove one M1.7 x 4.5 mm screw.

    • Loosen one M1.7 x 4.5 mm screw but leave it in place.

    • Remove two M1.7 x 1.6 mm screws.

    • Remove the mirror governor.

    • Remove one plastic bushing.

  23. Pentax Super Program Front Lens Board Removal, Remove main PCB: passo 23, imagem 1 %32
    • Gently lift away the PCB from the mirror box.

    • The TTL flash metering needs to be unseated from the housing to free the PCB for removal.

  24. Pentax Super Program Front Lens Board Removal, Detach front flex PCB: passo 24, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Detach front flex PCB: passo 24, imagem 2 %32
    • Lift flex PCB off of mounting posts.

    • Remove silicone insulator pad.

  25. Pentax Super Program Front Lens Board Removal, Unscrew mirror box: passo 25, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Unscrew mirror box: passo 25, imagem 2 %32 Pentax Super Program Front Lens Board Removal, Unscrew mirror box: passo 25, imagem 3 %32
    • Remove two M2 x 3 mm screws.

    • Remove one M1.7 x 3 mm screw.

    • Charge and release the mirror so it is in the taking position (up against the focusing screen).

    • Remove one M1.7 x 3 mm screw.

  26. Pentax Super Program Front Lens Board Removal, Remove mirror box: passo 26, imagem 1 %32
    • Lift mirror box away from front lens board.

  27. Pentax Super Program Front Lens Board Removal, Installation Notes: Mirror Box: passo 27, imagem 1 %32 Pentax Super Program Front Lens Board Removal, Installation Notes: Mirror Box: passo 27, imagem 2 %32
    • Check the coupling points for the aperture control, depth of field preview and self-time when reassembling the mirror box.

Conclusão

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

Sam Gustafson

Membro desde: 09/01/22

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