Trapezoid Adjustment (Trap) - Panasonic PT-53X54J Service Manual

http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1704000000.html

17.4 Trapezoid adjustment (TRAP)

TOP PREVIOUS NEXT
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonics TU-DST51 set-top box DTV decoder.
Procedure:
1. Apply a 1080i HD crosshatch pattern.
2. Set VIDEO C_OFF DAC from 00 to 01 and project only green.
3. Set DAC MUTE from 00 to 01 (disabling digital convergence).
4. Enter service mode, select TRAP and adjust DATA with VOLUME keys in remote so that lines at right and left are
vertical like a solid line.
5. Enable digital convergence by changing DAC MUTE from 01 to 00.
6. Set VIDEO C_OFF DAC from 01 to 00.
TOP PREVIOUS NEXT
http://tsn.pstc.panasonic.com/viewing/NA/PT-53X54J/SVC/s1704000000.html [23/04/2012 12:16:27 p.m.]