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VS AND -VY ADJUSTMENT
When the Power Supply and PDP units are replaced, Vs and -Vy must be adjusted.
Preparation
: Heat-run for 5 minutes with a white pattern in the wide mode.
Adjustment
: Adjust Vs and -Vy in the no-signal state (Black picture).
Test and
adjustment points : Refer to the drawing below.
Adjustment value : Within ±0.1V of the voltage indicated on the label on the PDP unit.
Power Supply Unit
-Vy adjustment VR
(RV210)
Vs adjustment VR
(RV203)
Vs test point
-Vy test point
(CN42, pin 1)
(PFW-422)
C331
Vs
Vs
RV210
CN41
RV203
T 6