Read Sony DSLR-A450 / DSLR-A450L / DSLR-A450Y Service Manual online
DSLR-A450/A450L/A450Y_L2
3-2
If the edge of spring is located downward,
rotate the gear in the arrow direction to
search a free position.
∗ In a free position, the edge of spring is
rotate the gear in the arrow direction to
search a free position.
∗ In a free position, the edge of spring is
located upward.
#93: M1.7 X 3.5 (Tapping)
(Silver)
3-254-082-01
3-254-082-01
3.5
1.7
#93: M1.7 X 3.5 (Tapping)
(Silver)
3-254-082-01
3-254-082-01
3.5
1.7
#23: M1.7 X 4.0 (Tapping)
(Black)
3-080-204-11
3-080-204-11
4.0
1.7
#23: M1.7 X 4.0 (Tapping)
(Black)
3-080-204-11
3-080-204-11
4.0
1.7
3.9
2.0
#164: M2.0 X 3.9
(Black)
3-268-954-11
3-268-954-11
#64: M1.7 X 5.0 (Tapping)
(Silver)
2-666-551-21
2-666-551-21
5.0
1.7
Boss
Claw
A Mount Lug Plate (Lower)
Boss
1-5. Charge Base Plate B Assy
1-10. BL Contact Holder Unit, BL Dust Protect Sheet
1-13. Iris Joint Gear, Aperture Unit
1-15. Aperture Unit Free Position Setting
1-11. AF Driving Unit
1-12. A Mount Lug Plate (Lower)
1-6. Mirror Driving Spring
1-7. Mirror Driving (SP) Retainer
1-8. Shutter Charge Lever Spring
1-9. Adjustment Plate Retainer
Mirror Driving (SP) Retainer
Charge Base Plate B Assy
Mirror Charge Lever Assy
Mirror Driving Spring
∗ The Aperture Unit is supplied by being set in the charge position
(initial position), but if this position is disordered when the Aperture
Unit is removed, or if the charge position is to be set again, perform
as follows.
Unit is removed, or if the charge position is to be set again, perform
as follows.
∗ Set the Aperture Unit to a free position once, if the gear was rotated
accidentally and the charge position is disordered, or if the charge
position was shifted during disassembly.
position was shifted during disassembly.
∗ Refer to "1-14. Aperture Unit Charge Position Setting" for the confirm
method at the charge position.
Hole
BL Dust Protect Sheet
Screw
- Right View -
- Back View -
- Front View -
- Left View -
- Front View -
- Front View -
- Right View -
- Right View -
- Right View -
Screw
Boss
Shutter Charge Lever Spring
∗ Note the direction.
Screw
Adjustment Plate Retainer
Boss
Screw
Screw
AF Driving Unit
3
Screw
1
Iris Joint Gear
2
Aperture Unit
Boss
Soldering
Gear rotating
direction to set
the charge position
direction to set
the charge position
In a free state, a hole in the gear almost
coincides with a hole in the Aperture Unit.
coincides with a hole in the Aperture Unit.
First, check the
spring edge position.
spring edge position.
In a free state, the edge of this spring
will move up and down about 1 mm if
the gear is moved a little.
will move up and down about 1 mm if
the gear is moved a little.
Gear rotating
direction to make
the unit free
direction to make
the unit free
AF Driving Unit Flexible
Board Arrangement
Board Arrangement
1. Check that the Aperture Unit is in a free state.
2. After confirming that the Aperture Unit is in a free state, rotate the
2. After confirming that the Aperture Unit is in a free state, rotate the
gear by 3 turns.
3. After rotating the gear by 3 turns, set the Aperture Unit where the
holes in the gear and the Aperture Unit coincide. This position is the
charge position.
∗ Refer to "1-15. Aperture Unit Free Position Setting" for the setting
charge position.
∗ Refer to "1-15. Aperture Unit Free Position Setting" for the setting
and the confirm method at the free position.
1-14. Aperture Unit Charge Position Setting
Note: The spring is deformed and cannot
be used if the gear is rotated too
much from a free state.
much from a free state.
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