LG 50PC1DR Owners Manual - Page 29
Troubleshooting, Y SUSTAIN Board removed from PDP Assembly
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Page 29 highlights
Troubleshooting Resistance Measurements performed with board installed and no power applied (all resistance measurements are approximations) • VA 3 Meg measured from chassis ground • VS 18 Meg measured from chassis ground • 5v 2K measured from chassis ground • VSC Measure in Diode Mode at VSC TP • -VY Measure in Diode Mode at -VY TP • Floating Ground to Y Drive input measure in Diode Mode Y SUSTAIN Board removed from PDP Assembly (all resistance measurements are approximations) • VS to SUS OUT 1 Meg • SUS OUT to Chassis Ground 1 Meg • SUS_UP(+) SUS_DN(-) 450K • ER_LO to ER10 1 Meg • ER_HIGH to ER10 1 Meg • 18v to Chassis Ground 6K • 5v to Chassis Ground 2 Meg • ER_UP to Chassis Ground 10K • ER_DN to Chassis Ground 10K • SUS_UP to Chassis Ground 700K • SUS_DN to Chassis Ground 700K • Y SUS out at B1 to Floating Ground 2 Meg (infinite in Diode Mode) • VSC Test Points Measure in Diode Mode • -VY Test Points Measure in Diode Mode • ER_UP to ER_DN 20K Plasma Display Panel Troubleshooting - 2007 29
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