DSLR-A100, DSLR-A100H, DSLR-A100K, DSLR-A100W (serv.man3) - Sony Digital Camera Service Manual (repair manual). Page 16

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DSLR-A100_ADJ

1. Use a copy stand, or place a mirror on the wall and adjust the accuracy so that the camera is opposed to its mirror image.
2. Use the AE master lens for inspection.
3. Obtain the tilt angle with the Photoshop, and perform as follows according to the angle:

For the angle above +/–1.0 degree, be sure to repair.
For the angle above +/–0.5 degree and less than +/–1.0 degree, repair according to the user's required level.
For the angle below +/–0.5 degree, re-check and it is within the specification.

1. Remove the eccentric pin stopper. (Fig. 1)
2. Check, and adjust the hexagonal eccentric pin. (Fig. 2)

*The eccentric pin can be rotated 60 degree (CCD tilt 0.42 degree) in clockwise and counterclockwise directions respectively from the
neutral position.
Adjustment exceeding 60 degree is impossible. (Eccentric pin stopper cannot be installed)
If an image tilts toward the lower right, rotate the eccentric pin 60 degree clockwise.
If an image tilts toward the lower left, rotate the eccentric pin 60 degree counterclockwise.

Eccentric Pin Stopper

Eccentric Pin

Eccentric Pin

(Neutral Position)