Focus Trouble - Sony SAL1870 Service Manual

1-5-3. Focus Trouble

Replace the defective part
or apply the grease.
SAL1870 (3.5-5.6/18-70) (DT 18-70mm F3.5-5.6)
Function NG
Check the
NG
AF coupler and
coupler gear.
OK
Check the
gear barrel.
NG
Replace the defective part
or apply the grease.
NG
Check the operation
again.
OK
Focus trouble
Adjust the position, or
replace the focus brush.
OK
Clean the pattern of the
focus flexible.
1-5
Position NG
Check the position
NG
and deformation
at the tip of
the focus brush.
OK
NG
Check pattern
of the focus flexible.
OK
Replace the main
flexible block.
Perform the
focus brush position
check/adjustment.
(See page 4-20.)
OK
END
NG