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Pentax Super Program Mirror Box Mechanism Service

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  1. Pentax Super Program Mirror Box Mechanism Service, Remove film advance lever: adım 1, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove film advance lever: adım 1, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove film advance lever: adım 1, 3 resimden 3.
    • 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 Mirror Box Mechanism Service, Remove mode dial: adım 2, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove mode dial: adım 2, 2 resimden 2.
    • 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 Mirror Box Mechanism Service, Remove exposure compensation dial: adım 3, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove exposure compensation dial: adım 3, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove exposure compensation dial: adım 3, 3 resimden 3.
    • 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 Mirror Box Mechanism Service, Remove top cover screws: adım 4, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove top cover screws: adım 4, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove top cover screws: adım 4, 3 resimden 3.
    • Remove two screws on either side of the eye piece.

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

  5. Pentax Super Program Mirror Box Mechanism Service, Remove top cover: adım 5, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove top cover: adım 5, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove top cover: adım 5, 3 resimden 3.
    • 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 Mirror Box Mechanism Service, Remove bottom cover: adım 6, 1 resimden 1.
    • Remove three M1.7 x 3 mm screws.

    • Remove bottom cover.

  7. Pentax Super Program Mirror Box Mechanism Service, Remove front leatherette panels: adım 7, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove front leatherette panels: adım 7, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove front leatherette panels: adım 7, 3 resimden 3.
    • 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 Mirror Box Mechanism Service, Detach flex PCB with adjustment pots: adım 8, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Detach flex PCB with adjustment pots: adım 8, 2 resimden 2.
    • 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 Mirror Box Mechanism Service, Unsolder wires under bottom plate: adım 9, 1 resimden 1.
    • Unsolder one red wire.

    • Unsolder one light blue wire.

    • Unsolder one orange wire.

    • Unsolder one purple wire.

  10. Pentax Super Program Mirror Box Mechanism Service, Remove tripod mount: adım 10, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove tripod mount: adım 10, 2 resimden 2.
    • 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 Mirror Box Mechanism Service, Detach ISO resistor assembly: adım 11, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Detach ISO resistor assembly: adım 11, 2 resimden 2.
    • 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 Mirror Box Mechanism Service, Detach mode dial unit: adım 12, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Detach mode dial unit: adım 12, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Detach mode dial unit: adım 12, 3 resimden 3.
    • 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 Mirror Box Mechanism Service, Unsolder flash sync and shutter wires: adım 13, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unsolder flash sync and shutter wires: adım 13, 2 resimden 2.
    • Unsolder one gray wire.

    • Unsolder one red wire.

    • Unsolder one brown wire.

    • Unsolder one white wire.

  14. Pentax Super Program Mirror Box Mechanism Service, Unscrew front board: adım 14, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unscrew front board: adım 14, 2 resimden 2.
    • Remove four M1.9 x 5 mm screws.

  15. Pentax Super Program Mirror Box Mechanism Service, Unscrew mirror box: adım 15, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unscrew mirror box: adım 15, 2 resimden 2.
    • 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 Mirror Box Mechanism Service, Remove mirror box and front board: adım 16, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove mirror box and front board: adım 16, 2 resimden 2.
    • 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 Mirror Box Mechanism Service, Installation Notes: Front Block: adım 17, 1 resimden 1.
    • 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 Mirror Box Mechanism Service, Unsolder Main PCB: adım 18, 1 resimden 1.
    • Unsolder one orange and one blue wire for the mirror release solenoid.

    • Unsolder one pink wire for the LCD backlight.

    • Unsolder two purple wires for the TL switch.

    • Unsolder one green wire for the MD switch.

  19. Pentax Super Program Mirror Box Mechanism Service, Unsolder lens mount connections: adım 19, 1 resimden 1.
    • Unsolder six wires for the lens mount pin connections.

    • These are only present on the early production models. Later production models moved these connection points to the flex connector.

  20. Pentax Super Program Mirror Box Mechanism Service, Unsolder aperture resistor: adım 20, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unsolder aperture resistor: adım 20, 2 resimden 2.
    • Unsolder two yellow wires for the aperture resistor.

  21. Pentax Super Program Mirror Box Mechanism Service, Unsolder eye piece: adım 21, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unsolder eye piece: adım 21, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Unsolder eye piece: adım 21, 3 resimden 3.
    • Unsolder the red and black wires for the metering cells in the eye piece.

    • Unsolder pink and green wires for the flash sync connections.

  22. Pentax Super Program Mirror Box Mechanism Service, Unsolder front board connections (early production): adım 22, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unsolder front board connections (early production): adım 22, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Unsolder front board connections (early production): adım 22, 3 resimden 3.
    • Unsolder indicated wires from main flex PCB.

    • Remove one screw.

  23. Pentax Super Program Mirror Box Mechanism Service, Detach flex PCB connection (late production): adım 23, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Detach flex PCB connection (late production): adım 23, 2 resimden 2.
    • Remove two M1.4 x 2 mm screws.

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

    • Remove the silicone insulating pad.

  24. Pentax Super Program Mirror Box Mechanism Service, Detach viewfinder LCD: adım 24, 1 resimden 1.
    • Remove two M1.4 x 1.6 mm screws.

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

  25. Pentax Super Program Mirror Box Mechanism Service, Remove mirror governor: adım 25, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove mirror governor: adım 25, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove mirror governor: adım 25, 3 resimden 3.
    • 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.

  26. Pentax Super Program Mirror Box Mechanism Service, Remove main PCB: adım 26, 1 resimden 1.
    • Gently lift away the PCB from the mirror box.

    • The TTL flash metering cell needs to be unseated from the side of the mirror box to free the PCB for removal.

  27. Pentax Super Program Mirror Box Mechanism Service, Detach front flex PCB: adım 27, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Detach front flex PCB: adım 27, 2 resimden 2.
    • Lift flex PCB off of mounting posts.

    • Remove silicone insulator pad.

  28. Pentax Super Program Mirror Box Mechanism Service, Unscrew mirror box: adım 28, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Unscrew mirror box: adım 28, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Unscrew mirror box: adım 28, 3 resimden 3.
    • 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.

  29. Pentax Super Program Mirror Box Mechanism Service, Remove mirror box: adım 29, 1 resimden 1.
    • Lift mirror box away from front lens board.

  30. Pentax Super Program Mirror Box Mechanism Service, Installation Notes: Mirror Box: adım 30, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Installation Notes: Mirror Box: adım 30, 2 resimden 2.
    • Check the following coupling points between the front lens board and the mirror box.

    • Aperture control.

    • Self-timer lever is above the mirror release latch.

    • Depth of field preview lever.

  31. Pentax Super Program Mirror Box Mechanism Service, Remove beeper: adım 31, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove beeper: adım 31, 2 resimden 2.
    • Remove one screw and retainer plate.

    • Remove beeper.

    • Insert wisdom here.

  32. Pentax Super Program Mirror Box Mechanism Service, Remove mirror return latch: adım 33, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove mirror return latch: adım 33, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove mirror return latch: adım 33, 3 resimden 3.
    • Remove one M1.3 x 2.1 mm shoulder screw.

    • Remove one M1.3 x 2.4 mm screw.

    • Remove coil spring.

    • Remove one shim washer.

    • Note the rubber bumper on the pivot post. This should be removed and cleaned before reassembly.

  33. Pentax Super Program Mirror Box Mechanism Service, Remove shutter release lever: adım 34, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove shutter release lever: adım 34, 2 resimden 2.
    • Remove one M1.5 x 3.5 mm screw.

    • Remove the bias spring.

    • Remove the brass bushing.

  34. Pentax Super Program Mirror Box Mechanism Service, Remove depth of field preview lever: adım 35, 3 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove depth of field preview lever: adım 35, 3 resimden 2. Pentax Super Program Mirror Box Mechanism Service, Remove depth of field preview lever: adım 35, 3 resimden 3.
    • Unhook and remove the coil spring. It may be tacked in place with lacquer.

    • Remove one M1.3 x 4.5 mm screw.

    • Remove the depth of field preview lever.

    • Remove the bushing.

  35. Pentax Super Program Mirror Box Mechanism Service, Remove auto-aperture control lever: adım 36, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove auto-aperture control lever: adım 36, 2 resimden 2.
    • Use a spanner wrench or u-bit to remove two nuts.

    • Lift off auto-aperture control lever.

  36. Pentax Super Program Mirror Box Mechanism Service, Remove mirror flip-up lever: adım 37, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove mirror flip-up lever: adım 37, 2 resimden 2.
    • Lift off mirror flip-up lever.

    • Remove shim washer.

    • Remove plastic bushing.

  37. Pentax Super Program Mirror Box Mechanism Service, Remove aperture stop-down lever: adım 38, 2 resimden 1. Pentax Super Program Mirror Box Mechanism Service, Remove aperture stop-down lever: adım 38, 2 resimden 2.
    • Remove aperture stop-down lever.

    • Remove shim washer.

    • Installation Notes: Ensure the lever foot is placed properly between the mirror flip-up spring and the mirror return lever during reassembly.

  38. Pentax Super Program Mirror Box Mechanism Service, Clean mirror box components: adım 39, 1 resimden 1.
    • Remove two old rubber bumpers.

    • Clean all pivots with isopropyl alcohol.

    • Clean all removed components with isopropyl alcohol.

  39. Pentax Super Program Mirror Box Mechanism Service, Reassembly Notes: adım 40, 1 resimden 1.
    • The mirror mechanism does not need lubrication to operate properly. Most moving interfaces run dry.

    • High friction latching points can be lubricated with a heavy moly grease to reduce wear.

    • Replacement rubber dampers are optional. Silicone tubing cut to length is good source.

Sonuç

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

Sam Gustafson

Üyelik tarihi: 09/01/22

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