Zoom Brush Position Check/Adjustment - Sony SAL55200-2 Service Manual

4-8.

ZOOM BRUSH POSITION CHECK/ADJUSTMENT

Equipment (Only the specific equipment is listed)
• Adhesive bond (B-10)
4-8-1. Zoom Brush Position Check
Use the Finished Inspection JIG II and confirm with "Search Zoom-Adj" in the Lens Adjustment Program.
4-8-2. Zoom Brush Position Adjustment
1. Preparations
1) Set the lens to be checked to the condition as shown in Fig. 4-8-1 by disassembling or assembling.
2) Set the zoom to the TELE end.
Fig.4-8-1
2. Adjusting method
1) Loosen the screw securing the brush.
2) Adjust the zoom brush as shown in the figure and secure with the screw.
Note:
Adjust to match the conducting points B on zoom brush to the cutting luck A of pattern on Z.ECD board.
3) Check the conduction between third pattern and fourth pattern from top with a digital multimeter as shown in figure.
• In case of the brush comes to the area circled where no pattern exists, no conduction occurs. (Adjusted)
• In case of the brush comes to the area circled where the pattern exists, the conduction occurs. (Not adjusted)
Zoom Brush
4) Confirm the brush position by turning the zoom WIDE to TELE again.
5) After adjustment, apply the adhesive bond (B-10).
SAL55200-2 (DT 4-5.6/55-200 SAM) (DT 55-200mm F4-5.6 SAM)
Match the position A to the position B
Zoom Brush
Screw
B
Confirm the
conduction
A
Fig.4-8-2
4-18
Apply the adhesive
bond (B-10)
4-1-2. Adjustment Flow Chart