Sony DSLR-A900 Service Manual page 18

2-2-9. MIRROR BOX SECTION (SUB UNIT-2)
Follow the disassembly in the numerical order given.
1 Mirror Charge Motor Unit (1-1 to 1-5)
2 Aperture Unit (2-1 to 2-4)
3 AF Driving Unit (3-1 to 3-5)
2-4
HELP 26
1-5 (#23)
1-3
HELP 23
DSLR-A900_L2
1 Mirror Charge Motor Unit
HELP 24
2-1 (#23)
3-2 (#23)
3 AF Driving Unit
EXPLODED VIEW
2 Aperture Unit
Refer to page 2-13 "2-5. APERTURE
UNIT INSTALLATION" when the
aperture unit is exchanged.
3-3
3-4 (#23)
1-1
HELP 22
3-1 (#23)
1-4 (#23)
2-11
HARDWARE LIST
2-3
HELP 25
2-2
3-5
1-2