SLT-A99, SLT-A99V - Sony Digital Camera Service Manual (repair manual). Page 8

SLT-A99/A99V_L2

1-5

After a part of set was replaced or after the set was assembled, check the reception of GPS signal.

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)  Insert the pin (approx. 1mm in diameter) through the hole of front 

frame. And confirm by touch that the pin has been inserted, and then 
confirm that the AP Sensor Gear is not turned by trying to turn it 
manually.

 

 

Pin

Pin

AP Sensor Gear

Cut portion of
AP Sensor Gear

(5)  While keeping the pin inserted, remove the Ring Roller B (SV) and 

AP Ring Roller C.

 

Pin

AP Ring Roller C

Ring Roller B (SV)

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

 

Pin

AP Iris Ring

(1)  Rotate clockwise the  AP Iris Ring at projection of the AP Iris Ring 

is at the center.

 

AP Iris Ring

The projection of the AP Iris Ring
is at the center.

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

screws.

 

MB Ring SP COM

MB A Mount

(3)  Turn the AP Iris Ring with the MB A Mount detached.

Note: Slowly turn the AP Iris Ring while holding the Ring Roller B (SV) 

and Ring Roller C so that two Ring Roller A (SV) do not come off.

 

AP Iris Ring

Mark A of the 
AP Iris Ring

Mark B of the 
AP Iris Ring

Cut portion of
the front frame