Sony DSLR-A300 Service Manual page 24

2-4. SHUTTER INSTALLATION
Follow the assembly in the numerical order given.
1 Raise Main Mirror up.
Boss
DSLR-A300_L2
Mirror Charge
Lever Up
2 Rotate Idle Gear
Don't damage
Idle Gear.
Shutter Charge
Lever Down
4 Shutter Flexible Board
3 Shutter
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