Panasonic PT-53WX54J Service Manual page 144

specification level.
8. Confirm that level of C is more than 20 V, adjust / "H-PAR" DAC to set
to specification level.
16.2. Focus - Electrical& optical adjustments
(use for minor adjustment or for final adjustment, for complete adjustment see following section.)
Electrical Adjustment
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonic's TU-DST51 set-top box DTV decoder.
1. Apply a NTSC crosshatch with dots pattern
RED
Electric B
focus
Optical B
Focus
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 00 to 01, and project only green.
Lens focus adjustment
GREEN BLUE
A/B A
A/B A
Focus pack
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