Panasonic PT-47X54J Service Manual page 218

4. In service mode set VIDEO "C_OFF" DAC from 00 to 01 (to project
only green).
5. Set DAC MUTE from 00 to 01 (disabling digital convergence).
6. Turn green deflection yoke until line is perfectly horizontal.
7. Adjust "H POS" DAC data so that pattern is in the center of screen.
8. Enable digital convergence by changing DAC MUTE from 01 to 00.
9. Set VIDEO "C_OFF" DAC from 01 to 00.
17.2. Centering magnets adjustment
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonic's TU-DST51 set-top box DTV decoder.
Procedures:
1. Apply a crosshatch pattern with dots.
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. Loose the deflection coil screw on the green CRT.
5. Confirm that the horizontal center line is perfectly horizontal to
screen frame. If not turn deflection yoke.
6. Adjust green deflection coil until the horizontal center line is
horizontal.
7. Adjust centering magnets until the green pattern is equal on left
and right. Adjust also for horizontal and vertical tilt.
NOTE:
Push deflection coil to top of CRT neck, then tighten deflection screw after adjusting each CRT
centering and tilt.
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