Read Sony SAL85F14Z Service Manual online
4-28
SAL85F14Z (Planar 1.4/85) (Planar T
*
85mm F1.4 ZA)
4-7.
FOCUS BRUSH POSITION CHECK/ADJUSTMENT
4-7-1. Focus Brush Position Adjustment
Equipment
• Personal Computer
• Finished Inspection JIG (AC 100 V only)
• Lens Adjustment Program (ActuatorChecker.exe)
1. Preparations
1)
Disassemble or assemble the checking lens into the state of Fig.4-7-1.
2)
Set the focus position to infinity position.
Fig.4-7-1
2. Checking Method
1)
Loosen two screws fixing the brush base plate.
Fig.4-7-2
2)
Check the conduction between first pattern and third pattern from top as shown in figure below.
• When the brush comes to the area circled where no pattern exists, no conduction occurs. (Adjusted)
• When the brush comes to the area circled where the pattern exists, the conduction occurs. (Not adjusted)
Fig. 4-7-3
3)
If not adjusted in step 2), loosen two screws fixing the brush (For distance tube), and adjust the brush position, perform step 2) again.
4)
After adjustment, perform the “4-7-2. Focus Brush Position Check” and “4-7-3. Focus Brush Pattern Check”.
Brush Base Plate
Screws
Focus Cam Ring
Brush Base Plate
Adjustment : OK
Adjustment : NG
Check the conduction
Apply the
adhesive bond
(B-10)
adhesive bond
(B-10)
Brush
Main flexible pattern
No conduction
Conduction
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