Sony SAL70200G (serv.man2) Service Manual ▷ View online
5-43
SAL70200G (2.8/70-200 G) (70-200mm F2.8 G)
10) Input the numerals (uppermost 3 digits) written on the flexible PWB of ultrasonic motor (stator).
Fig.5-9-12
Fig.5-9-13
11) When the Motor Build-in Check finishes normally, the DMF Ring Rotation Detect SW check is started, set the focus to near position
and press down the ENTER.
Fig.5-9-14
12) When the DMF Ring Rotation Detect SW Check finishes normally, “OK” is displayed on the pop-up window, and press the ENTER
key to return to the initial window.
Fig.5-9-15
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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
•
Re-confirm the [5-7. Focus Brush (A Encoder Brush) Position Adjustment].
•
Cleaning of flexible pattern and brush
•
Replacement of brush
•
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
•
Deformation, damage or defective position of MR sensor base plate block.
•
Defect of rotational operation of focus ring (It does not meet the specified speed.)
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SAL70200G (2.8/70-200 G) (70-200mm F2.8 G)
If not adjusted, perform the steps below.
1)
Remove the MR sensor holding plate, correct the position of MR sensor holding plate block as shown in Fig. 5-9-21.
2)
Install the MR sensor holding plate, perform the MR waveform inspection again.
3)
Repeat steps 1) and 2) until the inspection OK.
4)
After completing the adjustment, apply the adhesive bond (B-10) to the tip of two screws.
Fig.5-9-21
3. Motor Assembly Inspection
The following pop-up window is one example.
Fig.5-9-22
If the NG judgment continues three times in the motor assembly inspection, perform the MR waveform inspection.
When the MR waveform inspection is OK, perform the adjustment of MR sensor.
When the MR waveform inspection is NG, replace the ultrasonic motor unit.
4. DMF Ring Rotation Detector SW Inspection
The following pop-up window is one example.
Fig.5-9-23
•
Deformation or damage of MF rotation detector switch plate block.
•
Installation position of MF rotation detector switch plate block.
Apply the adhesive bond (B-10).
MR Sensor Holding Plate
A
B
MR Sensor Holding Plate
MR Sensor Holding Plate
tweezers
Bend about 3
°.
Be careful not to bend this part.
If the ellipse of MR sensor waveform drops
to the lower right side, bend the part B
by 1, 2
to the lower right side, bend the part B
by 1, 2
° than the part A.
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SAL70200G (2.8/70-200 G) (70-200mm F2.8 G)
5-10. FINISHED INSPECTION (ActuatorChecker)
5-10-1.
Finished inspection (ActuatorChecker)
Equipment
•
Personal Computer
•
Finished Inspection JIG (AC100 V only)
•
Lens Adjustment Program (ActuatorChecker)
1. Preparations
1)
Connected to equipment with checking lens. (Refer to Fig. 5-1-25 of Section 5-1-3.)
2)
Start up of “ActuatorChecker”.
3)
Click [Set up], and perform the initial setting. (Refer to Section 5-1-4.)
2. Checking Method
1)
Click [START].
Fig.5-10-1
2)
The Serial window appears. Input the lens serial number.
Note:
When [OK] is clicked without inputting the serial number, the date executed is displayed on the completion window of each item.
Fig.5-10-2
3)
The following window appears, press down the ENTER key.
Fig.5-10-3
4)
It starts from the ROM Data inspection, and it advances to the CPU Mode Standby Current check by the automatic operation.
5)
When the CPU Mode Standby Current Check finishes normally, the Lens Stating Circuit Check is started, change AF-MF switch to
MF.
Fig.5-10-4
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