Focus - Electrical& Optical Adjustments - Panasonic PT-53X54J Service Manual

http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1602000000.html
16.2 Focus - Electrical& optical adjustments
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(use for minor adjustment or for final adjustment, for complete adjustment see following section.)
Electrical Adjustment
1. Apply a crosshatch with dots pattern.
2. Set VIDEO C_OFF DAC from 00 to 02, and project only red. Adjust red focus VR so that focus is best.
3. Adjust red lens focus (mechanical) until focus is best.
4. Adjust red focus VR again.
5. Set VIDEO C_OFF DAC from 02 to 01, and project only green.
6. Repeat steps for green only.
7. Set VIDEO C_OFF DAC from 01 to 03, and project only blue.
8. Repeat steps for blue only.
16.2.1 Focus - Optical lens adjustment
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http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1602000000.html [23/04/2012 12:16:23 p.m.]
Lens focus adjustment
RED GREEN BLUE
Electric focus B A/B A
Optical Focus B A/B A
Focus pack