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Pentax Super Program Shutter Timing Adjustment

    1. Pentax Super Program Shutter Timing Adjustment, Prepare the shutter: adım 1, 2 resimden 1. Pentax Super Program Shutter Timing Adjustment, Prepare the shutter: adım 1, 2 resimden 2.
      • The shutter should be installed in the camera chassis.

      • Solder jumper wires to the red, brown and white shutter controls signals.

      • Solder a jumper wire to the positive battery terminal.

      • Solder a jumper wire to the ground connection.

      • Install the bottom cover and batteries.

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    2. Pentax Super Program Shutter Timing Adjustment, Prepare the front block: adım 2, 3 resimden 1. Pentax Super Program Shutter Timing Adjustment, Prepare the front block: adım 2, 3 resimden 2. Pentax Super Program Shutter Timing Adjustment, Prepare the front block: adım 2, 3 resimden 3.
      • Solder the jumper wires from the shutter control wires.

      • Red wire connection.

      • White wire connection.

      • Brown wire connection.

      • Solder the jumper wire from positive battery.

      • Connect the ground wire to the camera chassis.

      • Connect the shutter release plate to the camera chassis (ground).

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    3. Pentax Super Program Shutter Timing Adjustment, Select the shutter speed: adım 3, 2 resimden 1. Pentax Super Program Shutter Timing Adjustment, Select the shutter speed: adım 3, 2 resimden 2.
      • Turn the mode dial to the 'M' position.

      • Be careful not to let the ball bearing escape when passing through 'Auto' mode (the larger hole).

      • Adjust the shutter speed by grounding the contact posts for the shutter speed selector buttons.

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      • The camera has the necessary electrical connections to operate the shutter, but some of the mechanical actions have to be done manually.

      • Charge the mirror mechanism.

      • Charge the shutter.

      • Press the shutter release.

      • Push the opening curtain latch on the shutter.

      • Push the mirror return latch.

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    4. Pentax Super Program Shutter Timing Adjustment, Adjust curtain travel times: adım 5, 1 resimden 1.
      • Measure curtain travel times with a shutter tester. If the shutter is far out of spec, it may be necessary to select a slower shutter speed to get a reading.

      • Adjust the lower gear for the opening curtain. Turn clockwise to decrease travel time and counter-clockwise to increase.

      • Adjust the upper gear for the closing curtain.

      • Both curtains should have a travel time of 5.6 ms over 22 mm. Incrementing the gears by one tooth changes the travel time by ~0.05 ms.

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    5. Pentax Super Program Shutter Timing Adjustment, Adjust curtain delay: adım 6, 2 resimden 1. Pentax Super Program Shutter Timing Adjustment, Adjust curtain delay: adım 6, 2 resimden 2.
      • Set the shutter speed to 2000.

      • Adjust the eccentric post until the exposure time measures 0.5 ms.

      • The service manual gives an acceptable range of 0.45 to 0.6 ms for the 1/2000 setting. Other speeds should be accurate at this point.

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Sonuç

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

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Sam Gustafson

Üyelik tarihi: 09/01/22

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