Minolta A2 Repair Manual page 38

38 (2720)A
Procedure of the adjustment
1. Set the position of the zoom ring "100."
2. Click "CCD AORI" of the adjustment menu.
3. Follow the message, "Please change a chart," set the LB adjustment chart II for 2766, and click "OK"
(Fig.2).
* When the Fig.3 is displayed, confirm whether three CCD adjustment screws (Fig.1) are loosened by 1
+ 3/4 turns.
4. Click "GO" of "CCD AORI" adjustment menu (Fig.4).
Measure the CCD perspective, and display "Condition of the CCD perspective" (Fig.4) on "CCD AORI"
adjustment menu.
5. Confirm displayed values of "C" and "dPI" are within the following standard range (Fig.4).
C = 142 ± 20 dPI = 0 ± 15
1) Adjust in the following ways if they are not within the standard range.
Confirm "Bit A, B, C" displayed on "CCD AORI" adjustment menu, and turn "A, B,C" (Fig.1) of the
CCD adjustment screw to adjust.
Displayed "Bit A" indicates the CCD adjustment screw "A."
Displayed "Bit B" indicates the CCD adjustment screw "B."
Displayed "Bit C" indicates the CCD adjustment screw "C."
The value of "Bit A, B, C" indicates the degrees of turning the CCD adjustment screw.
If the value is plus, turn it clockwise
If the value is minus, turn it counter clockwise.
2) Click "GO" of "CCD AORI" adjustment menu again (Fig.4).
Measure the CCD perspective, and display "Condition of the CCD perspective" (fig.4) on "CCD AORI"
adjustment menu.
3) Repeat the above steps, 1) and 2) until the value meets the standard.
6. When the value meets the standard, click "END" of "CCD AORI" adjustment menu to finish the adjust-
ment (Fig.4).
* When three CCD adjustment screws are not glued, glue them after the CCD perspective adjustment.
(See P.22 "Disassembly of the CCD holder assy, the outer barrel assy and the 1st lens group moving
barrel")
■ ■ ■ ■ ■ Fig. 2 Fig. 2 Fig. 2 Fig. 2 Fig. 2
Fig. 4 Fig. 4
■ ■ ■ ■ ■ Fig. 4 Fig. 4 Fig. 4
■ ■ ■ ■ ■ Fig. 3 Fig. 3 Fig. 3 Fig. 3 Fig. 3
CCD perspective adjustment menu CCD perspective adjustment menu CCD perspective adjustment menu
CCD perspective adjustment menu CCD perspective adjustment menu
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