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ILCA-77M2/77M2M/77M2Q_L2

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Make sure to confirm below after replacing the AS Slider B Assy T or the AS Holder Actuator Assy.

(1)  Remove the CV Rear Cover Assy (880), temporally mount the AS Slider Unit (863) mounted with the Imager Sensor, and then set up the camera body 

and hold the AS Slider Unit (863) as shown in figure.

 

(2)  Select “Slider Unit Check” of the adjustment software, and then confirm if the result is OK.
(3)  Select “Tebure Revise Adj.” of the adjustment software, and then confirm if the result is OK.
(4)  Mount the AS Slider Unit (863) to the camera.

 

Make sure to confirm below before replacing the AS Slider B Assy T or the AS Holder Actuator Assy.

(1)  Remove the CV Rear Cover Assy (880), and temporally mount the AS Slider Unit (863).
(2)  Set the AS Slider Unit (863) upwards as shown in figure, and put it on a stable place.

 

(3)  Select “Slider Unit Check” of the adjustment software, and then confirm the movement to the directions of Pitch and Yaw, and if an error occurs, 

replace it with the component part corresponding to the movement.

 

ILCA-77M2/77M2M/77M2Q_L2

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Removal Procedure

(1)  Remove the spring.

 

Spring

(2)  Remove the solder on the enamel wires at two places.

 

Solder

Solder

(3)  Remove the flexible board from the AS Slider B Assy T.

 

Flexible Board

(4)  Remove the two screws.

 

(5)  Remove the AS Unit Holder Ball.

 

AS Unit Holder Ball

(6)  Remove the two Ball Bearings.

 

Ball Bearing

Ball Bearing

(7)  Remove the Cap SPs (for Pitch and Yaw).

 

Cap SP

(8)  Remove the Caps (for Pitch and Yaw).

 

Cap

(9)  Remove the AS Slider A.
 

It can be done easily if A is removed beforehand.

 

AS Slider A 

A

(10)  Remove the AS Slider B Assy T.
 

It can be done easily if B is removed beforehand.

 

AS Slider B Assy T

B

(11)  Remove the three Ball Bearings.

 

Ball Bearing

Assembly Procedure

Note: Make sure to perform the assembly procedures after assembling the AS Holder Actuator Assy.

The assembly procedure is the reverse of the removal procedure.
Apply grease to the portions indicated below.

 

* After applying grease, attach the Ball Bearings.

 

Ball Bearing

G G-15

 

AS Slider B Assy T

G G-15 and G G-116

 

* After applying grease, attach the Ball Bearings.

 

Ball Bearing

G G-15

Ball Bearing

G G-15

ILCA-77M2/77M2M/77M2Q_L2

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Removal Procedure

Note: Make sure to perform the removal procedures after removing the 
 

 AS Slider B Assy T.

(1)  Remove the solder on the enamel wires at two places.

 

Solder

(2)  Remove the flexible board from the hook on the AS Holder Actuator 
 Assy.

 

Hook

(3)  Remove the four screws to remove the AS Holder Actuator Assy.

 

AS Holder Actuator Assy

Assembly Procedure

Note: Make sure to perform the assembly procedures before assembling  
 

 the AS Slider B Assy T.

The assembly procedure is the reverse of the removal procedure.
Apply grease to the portions indicated below.

 

AS Holder Actuator Assy

G G-15 and G G-116

If the AP Iris Ring is removed, the aperture charge cannot be retained. Therefore, after removing the AP Iris Ring, retain the charge in the procedure 
below.

(4) While keeping the pin inserted, remove the Ring Roller B and AP 

Ring Roller (C).

 

Pin

AP Ring Roller (C)

Ring Roller B 

(5)  While keeping the pin inserted, remove the AP Iris Ring.

 

Pin

AP Iris Ring

(1)  Rotate clockwise the AP Iris Ring as far as it goes.

 

AP Iris Ring

(2)  Remove the MB A Mount and MB Ring SP COM, unscrewing six 

screws.

 

MB Ring SP COM

MB A Mount

(3)  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

Hole of front
frame

ILCA-77M2/77M2M/77M2Q_L2

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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).

 

AP Torque Limiter Assy (T)

Cut portion of
AP Sensor Gear

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).

 

Cut portion of
AP Sensor Gear

Turn the AP Sensor Gear 3 rotations

Hole of front
frame

AP Torque Limiter Assy (T)

(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.

 

Pin

The gap exists.

This line is parallel
and contacts the
right side of projection.

This line orients toward the
center of front frame.

The mark of AP Iris Ring should
be in between two parallel lines.

AP Iris Ring

(1)  Rotate the AP Iris Ring as far as it goes by rotating clockwise the AP 

Torque Limiter Assy (T).

 

AP Iris Ring

AP Torque Limiter Assy (T)

(2)  Measure the resistance between LN8201 and LN8202 on the AFP-

007 Flexible Board and confirm that the resistance is 100 to 450 Ω.

 

LN8202

AFP-007 Flexible Board

LN8201

 

After installing the AP Iris Ring, confirm the phases of AP Iris Ring and AP Sensor Gear in the following procedure.