Sony SAL1680Z Service Manual page 8

Ver. 1.3 2008.05
The changed portions from
Ver. 1.2 are shown in blue.
1-6-3. Focus Trouble
Replace the defective part
or apply the grease.
SAL1680Z (Vario-Sonnar DT 3.5-4.5/16-80 ZA) (Vario-Sonnar T
Function NG
Check the AF coupler
NG
and gear shaft of the
gear C, D block
OK
Check the focus
operation ring and
focus lens holder.
NG
Replace the defective part
or apply the grease.
NG
Check the operation
again.
OK
Focus trouble
Check the position, or
replace the focus brush.
OK
Clean the board pattern.
DT 16-80mm F3.5-4.5 ZA)
*
1-5
Position NG
Check the position
NG
and deformation
at the tip of
the focus brush.
OK
NG
Check board pattern
of the focus flex pattern.
OK
Replace the main
flexible unit.
Perform the
focus brush position
check/adjustment and
pattern check.
(See page 4-42.)
OK
END
NG