Sony SLT-A58K Service-Handbuch - Seite 9
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1-10. HOW TO CHARGE THE APERTURE
When installing the AP Aperture Unit, charge the aperture in the procedure below.
(1) Confirm that the arm of spring is free (initial position).
Spring is free
(initial position)
(2) Align the cut portion of AP Sensor Gear with the cut portion of side
charge plate by moving the AP Torque Limiter Assy (T).
Cut portion of
AP Sensor Gear
AP Torque Limiter Assy (T)
Cut portion of side
charge plate
(3) Align the hole of front frame with the cut portion of AP Sensor Gear
by turning counterclockwise the AP Torque Limiter Assy (T) to turn
the AP Sensor Gear 3 rotations (approx. 1000 degrees).
Hole of front
frame
Cut portion of
AP Sensor Gear
AP Torque Limiter Assy (T)
Turn the AP Sensor Gear 3 rotations
SLT-A58K/A58M/A58Y_L2
(4) Insert the pin (approx. 1mm in diameter) through the hole of front
frame and drop the tip of pin in the cut portion of AP Sensor Gear
to fix the AP Sensor Gear.
Pin
Pin
Cut portion of
AP Sensor Gear
(5) While keeping the pin inserted, install the AP Aperture Unit, aligning
the mark of AP Aperture Ring with the center (the position where
the mark is overlapped within the range in the figure of projection)
of limit gear assembly.
AP Iris Ring
Pin
The mark of AP Iris Ring should
This line orients toward the
be in between two parallel lines.
center of front frame.
This line is parallel
and contacts the
right side of projection.
The gap exists.
1-11. METHOD OF CONFIRMING THE PHASES OF AP IRIS RING AND AP SENSOR GEAR
After installing the AP Iris Ring, confirm the phases of AP Iris Ring and AP Sensor Gear in the following procedure.
(1) Rotate the AP Iris Ring as far as it goes by rotating clockwise the AP
Torque Limiter Assy (T).
AP Torque Limiter Assy (T)
(2) Measure the resistance between LN8201 and LN8202 on the AP-037
Flexible Board and confirm that the resistance is 100 to 450 Ω.
AP-037 Flexible Board
LN8201
LN8202
1-6E
AP Iris Ring