Read Sony SAL70200G Service Manual online
1-5
SAL70200G (2.8/70-200 G) (70-200mm F2.8 G)
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 focus driving
tube block.
Check the lens unit assy.
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 DV encoder
flexible PC board.
Perform the
focus brush position
check/adjustment and
pattern check.
(See page 5-35.)
1-5-3. Focus Trouble
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