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

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17.8 Horizontal size adjustment (H WID)

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This adjustment is intended to adjust horizontal width of the picture.
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonics TU-DST51 set-top box DTV decoder.
1. Apply a pattern that lets adjust the horizontal size.
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. In service mode, adjust H WID DAC until the picture horizontal size is balanced at left and right side of screen.
5. Set DAC MUTE from 01 to 00 (disabling digital convergence).
6. Set VIDEO C_OFF DAC from 01 to 00.
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http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1708000000.html [23/04/2012 12:16:28 p.m.]