LG 50PS80 Series, Руководство по обучению

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August 2009 Plasma 50PS80
ADJUSTMENT ORDER “IMPORTANT”
DC VOLTAGE ADJUSTMENTS
1)
SMPS PWB: Va Vs (Always do SMPS first)
2) Y-SUS PWB: Adjust –Vy, Vscan,
3) Z-SUS PWB: Adjust ZBias
WAVEFORM ADJUSTMENTS
1)
Y-SUS PWB: Set-Up, Set-Down
Adjustment Order Adjustment Order
It is critical that the DC Voltage adjustments be checked when;
1)
SMPS, Y-SUS or Z-SUS PWB is replaced.
2) Panel is replaced, Check Va/Vs since the SMPS does not come with new panel
3) A Picture issue is encountered
4) As a general rule of thumb when ever the back is removed
Remember, the Voltage Label MUST
be followed, it is specific to the
panel’s needs.
All label references are from a specific panel.
They are not the same for every panel
encountered.
The Waveform adjustment is only necessary
1) When the Y-SUS PWB is replaced
2) When a “Mal-Discharge” problem is encountered
3) When an abnormal picture issues is encountered
All Adjustments MUST be done in White Wash