Sony AF 24-105 mm f/ 3.5-4.5 Lens Service Manual
SAL20F28 (2.0/28) (20mm F2.8)
1-3
1-5.
TROUBLESHOOTING
1-5-1. Aperture Trouble
NG
Check operation of
the preset ring.
Replace the defective part.
Check operation of the
preset ring, and replace
the defective part.
NG
Check operation
of the diaphragm
control block.
OK
OK
OK
Function NG
F No. NG
Aperture trouble
Replace the defective part.
NG
NG
NG
END
OK