78
Plasma Fall 2008 42PG20
Provides the SUSTAIN PULSE and ERASE
PULSE for generating SUSTAIN discharge
in the panel by receiving Drive signals from
the Y-Z-SUS PWB.
This waveform is supplied to the panel
through FPC (Flexible Printed Circuit).
Scope Probe connect point
bottom leg of R1 to check Z
Output waveform
Z
Z
-
-
SUS Waveform
SUS Waveform
Z-Bias is a “DC” adjustment.
The effects of this adjustment can be
observed on the scope looking at the
Z-SUS output.
Z-SUS
PWB
This Waveform is just for reference to observe the effects of Zbz adjustment
Vzb voltage
+
-
1V100V
Z Drive Waveform
(Vzb) Z Bias VR905
2 mS/div
Note: The Vzb
Adjustment is a
DC level adjustment
100uS/div