LG 50PC1DR - - 50" Plasma TV Troubleshooting Manual page 24

How to check IPM
(Resistance 'Diode Check', board removed from set)
Forward Test : 1. GND (＋), Sus-out ( - )
2. Sus-out (＋), Vs ( - )
3. ER-DN ( - ), GRND (＋)
4. GRND ( + ), ER-UP ( - )
5. 18v ( - ), ER GRND ( + )
6. 5v ( - ), ER GRND ( + )
Reverse Test : 1. GND ( - ), Sus-out (＋)
2. Sus-out ( - ), Vs (＋)
3. ER-DN (＋), GRND ( - ) 1.4
4. GRND ( - ), ER-UP ( + ) 1.4
5. 18v ( + ), GRND ( - ) 1.9
6. 5v ( + ), GRND ( - ) .9
Note: ER_HIGH ER_LOW, to ER_lO OPEN in Diode Check
Plasma Display Panel Troubleshooting - 2007
24
Troubleshooting