Panasonic PT-53X54J Service Manual page 45

H-PAR +390
V-SAW +2
V-PAR +20
2. Connect the scope probe to R1522 (D30 side), GND to Q551 heat
sink.
3. Confirm that level of A is 640 ± 50V, adjust / "H-PAR" DAC to set
to specification level.
4. Confirm that voltage level in D30 is similar between point E and F,
if not, adjust V-SAW DAC.
5. Confirm that level of B is 280 ± 40 V, adjust / "V-PAR" DAC to set
to specification level.
6. 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
1. Apply a crosshatch with dots pattern.
Dynamic focus adjustment waveform
Lens focus adjustment
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