Sony SAL28F28 - Page 7

SAL28F28 (2.8/28) (28mm F2.8)
1-4
1-5-2. Focus Trouble
Check the operation
again.
Replace the defective part
or apply the grease.
OK
NG
OK
OK
OK
OK
Function NG Position NG
Focus trouble
Replace the defective part
or apply the grease.
Check the coupler.
Check the outer barrel
and focusing ring.
NGNG
NG
NG
NG
END
OK
Check the installation
of the main flexibl unit.
Reinstall the main flexibl unit.
Check the focusing
operation again.
Clean the pattern of the
main flexible unit.
Replace the
main flexible unit.
Check the focusing
operation again.