Panasonic PT-53TW53G Service Manual page 164

Hdtv monitor
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focus of overall picture of each CRT.
5. To change DAF DATA, enter to service mode, then press POWER on
remote to display DACs menu, then select DAC by pressing CH (RIGHT/
LEFT) and VOL (UP/DOWN), then press ACTION to enter to DAC, then
adjust by pressing VOL (RIGHT/LEFT);press ACTION, to save press
ACTION again or OTHER to exit without saving.
Procedure:
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonic's TU-DST51 set top box DTV decoder.
1. Enter to service mode and set the following default DATA
NTSC
H-PARA
+170
V-SAW
0
V-PARA
+14
NOTE:
The signal (NTSC, 1080i and NTSC in ZOOM option), should be applied and displayed to enter values
for specific format adjustment.
2. For 1080i set the default values.
3. For NTSC and NTSC ZOOM apply a white pattern and perform the
following steps.
4. Connect the scope probe to D33, GND to Q551 heat sink.
5. Confirm that level of A is 640 ± 50_V, adjust / "H-PAR" DAC to set to
specification level.
6. Confirm that the voltage level in D33 is similar between point E and F,
if not, adjust V-SAW DAC.
7. Confirm that level of B is 280 ± 40_V, adjust / "V-PAR" DAC to set to
D. focus adjustment waveform
NTSC
1080i
ZOOM
+170
+170
0
0
+14
+16
40

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