Read Sony SAL1118 Service Manual online
1-5
SAL1118 (4.5-5.6/11-18) (DT 11-18mm F4.5-5.6)
1-5-3. 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 and
gear shaft of the rear
lens barrel assy.
Check the focus gear
barrel and
focus coupling barrel.
NG
NG
NG
NG
NG
END
OK
Check the position
and deformation
at the tip of
the focus brush.
Check the position, or
replace the focus brush.
Check board pattern
of the focus flex pattern.
Clean the board pattern.
Replace the main pcb
assy.
Perform the
focus brush position
check/pattern check.
check/pattern check.
(See page 4-19.)
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