Sim2 SVD800 HD Millennium, Руководство по обслуживанию

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SVD800HD
SERVICE GUIDE
page - 14 -
4. Waveform PC339.0
VGA input signal 32K 50Hz
Install the board on t the extension card and power on the unit.
If DL1 on Convergence amplifier board PC324 lights, power off the unit, remove CN102 and CN103 on convergence
board and power on the unit.
Adjust H size and V size to maximum value.
Using a scope with 1/10 probe verify the following wave forms.
NOTE: All wave forms H have a time base of 32 us
All wave forms V have a time base of 20 ms
TP110 N1 from 2.2 to 2.5 Vpp Ramp HS+
TP110 N2 fro m 5.5 to 6.2 Vpp Ramp H-saw
TP103 N3 from 2.2 to 2.5 Vpp Ramp HS-
TP103 N4 from 2.2 to 2.5 Vpp Ramp VS+