Read Sony SAL70200G (serv.man2) Service Manual online
5-44
SAL70200G (2.8/70-200 G) (70-200mm F2.8 G)
5-9-2. Half Completion Adjustment
In case of error in the finished inspection, confirm the cause based on the content of the display.
1. Focus Adj Point adjustment, Focus pattern inspection
The following pop-up window is one example.
Fig.5-9-16
Fig.5-9-17
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Re-confirm the [5-7. Focus Brush (A Encoder Brush) Position Adjustment].
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Cleaning of flexible pattern and brush
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Replacement of brush
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Defect of rotational operation of focus ring (It does not meet the specified speed.)
2. MR Waveform Inspection
In case of abnormal MR waveform, the collapsed waveform is displayed.
The menu below shows an example.
Fig.5-9-18
Fig.5-9-19
Fig.5-9-20
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Deformation, damage or defective position of MR sensor base plate block.
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Defect of rotational operation of focus ring (It does not meet the specified speed.)
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