Sony SAL75300 Service Manual ▷ View online
4-20
SAL75300 (4.5-5.6/75-300) (75-300mm F4.5-5.6)
4-7-2. Zoom Brush Position Adjustment and Pattern Check
Equipment
• Personal Computer (PC)
• Camera DSLR-A100
• USB Cord With Connector
• Adhesive Bond (B-10)
• Lens Adjustment Program
Note: Lens Adjustment Program is downloadable from the ESI homepage.
1. Preparations
1)
Perform the following steps (1) to (3) and set the checking lens into the state of Fig. 4-7-5.
(1) Remove the front barrel and focus barrel.
(2) Unsolder the focus flexible from the main flexible set.
(3) Remove the four screws fixing the fixed mount, and set the checking lens into the state of Fig. 4-7-5.
Fig.4-7-5
2)
Reattach the bayonet mount set, light interception tube set and lens contact board.
A
B
A
B
Light Shield Barrel
Assembly
Assembly
Bayonet Mount Set
Lens Contact Board
Focus Flexible
Encoder Brush
Fixed Mount
4-21
SAL75300 (4.5-5.6/75-300) (75-300mm F4.5-5.6)
2. Zoom Brush Position Adjustment
1)
Set the zoom position to Wide end.
2)
Loosen the two screws fixing the encoder brush.
Fig. 4-7-6
3)
Perform the “4-7-1. Zoom Brush Position Check”, and adjust the encoder brush position until the OK (Green) indicator of “Position” lights.
Fig. 4-7-7
4)
Tighten the two screws loosened in step 2).
3. Pattern Check
Note: When the NG (Red) indicator of “Position” lights during checking, does not care about it (It is normal performance).
1)
Turn the zoom ring slowly from the Tele end “Zoom Pattern : 1” to Wide end “Zoom Pattern : 23” and check that the value of “Zoom
Pattern” change from 1 to 23 continuously.
2)
Turn the zoom ring slowly from Wide end (Zoom Pattern : 23) to the Tele end (Zoom Pattern : 1) and check that the value of “Zoom
Pattern” change from 23 to 1 continuously.
Fig. 4-7-8
3)
Click the
[Exit]
button.
4)
Click the
[End]
button to terminate the lens adjustment program.
5)
Turn the POWER switch of the camera to OFF.
6)
After the pattern check is completed, apply the adhesive bond (B-10) as shown in Fig. 4-7-9.
Fig. 4-7-9
Two screws
Reference position
of brush
of brush
h
h
h
h
h
Apply the adhesive bond (B-10)
4-22
SAL75300 (4.5-5.6/75-300) (75-300mm F4.5-5.6)
4-8.
FOCUS BRUSH POSITION CHECK/ADJUSTMENT AND PATTERN CHECK
Note:
If dialog box of error code appears during the checking or adjustment, check the reason of error referring to page 4-25.
4-8-1. Focus Brush Position Check
Equipment
• Personal Computer (PC)
• Camera DSLR-A100
• USB Cord With Connector
• Lens Adjustment Program
Note: Lens Adjustment Program is downloadable from the ESI homepage.
1. Preparations
1)
Connect the checking lens to the camera.
2)
Start the lens adjustment program “LensAdjustment.exe” referring to “4-1-2. Lens Adjustment Program”.
Fig. 4-8-1
2. Checking Method
1)
Click the
[Connect]
button on the lens adjustment program.
Note:
Click the
[End]
button to disconnect the USB connection, then lens adjustment program will terminate.
Fig. 4-8-2
2)
Click the
[Focus]
button on the lens adjustment program.
3)
Set the zoom position to Wide end and the focus position to infinity end, then check that the OK (Green) indicator of “Position”
lights as shown in Fig. 4-8-3.
Fig. 4-8-3
If the NG (Red) indicator of “Position” lights, perform the “4-8-2. Focus Brush Position Adjustment and Pattern Check”.
Fig. 4-8-4
4)
Click the
[Exit]
button.
5)
Click the
[End]
button to terminate the lens adjustment program.
6)
Turn the POWER switch of the camera to OFF.
4-23
SAL75300 (4.5-5.6/75-300) (75-300mm F4.5-5.6)
4-8-2. Focus Brush Position Adjustment and Pattern Check
Equipment
• Personal Computer (PC)
• Camera DSLR-A100
• USB Cord With Connector
• Adhesive bond (B-10)
• Lens Adjustment Program
Note:
Lens Adjustment Program is downloadable from the ESI homepage.
1. Preparations
1)
Set the checking lens into the state of Fig.4-8-5 (zoom barrel was removed).
Note:
Check that the focus FPC is soldered to the main FPC assembly.
Fig. 4-8-5
2)
Reattach the bayonet mount set, light interception tube set and contact board.
A
B
A
B
Light Interception
Tube Set
Tube Set
Bayonet Mount Set
Contact Board
Check that the
focus FPC is soldered
to the main FPC assembly.
focus FPC is soldered
to the main FPC assembly.
Click on the first or last page to see other SAL75300 service manuals if exist.