Horizontal Size Adjustment (H_Pos) - Panasonic PT-53X54J Service Manual

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17.7 Horizontal size adjustment
(H_POS)
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This adjustment is intended to correct the horizontal position of the picture.
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonics TU-DST51 set-top box DTV decoder.
1. Apply a 1080i HD pattern that lets adjust the image to correct horizontal position (see above note).
2. Set VIDEO C_OFF DAC from 00 to 01 to project only green.
3. Set DAC MUTE from 00 to 01 (disabling digital convergence).
4. Turn green deflection yoke until line is perfectly horizontal.
5. Adjust H WID DAC data so that pattern has the correct horizontal size.
6. Set DAC MUTE from 00 to 01 (disabling digital convergence).
7. Set VIDEO C_OFF DAC from 01 to 00.
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http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1707000000.html [23/04/2012 12:16:28 p.m.]