LG 60PC1D - - 60" Plasma TV, Тренировочная презентация

Страница: 59 / 130

59
Plasma Display Panel Troubleshooting - 2007
Forward Diode 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 Diode Test : 1. GND ( - ), Sus-out (
＋
)
2. Sus-out ( - ), Vs (
＋
)
3. ER-DN (
＋
), GRND ( - ) 0.99
4. GRND ( - ), ER-UP ( + ) 0.99
5. 18v ( + ), GRND ( - ) 1.3
6. 5v ( + ), GRND ( - ) 0.9
Note: ER_HIGH ER_LOW, to ER_lO OPEN in Diode Check
How to check IPM
(Resistance ‘Diode Check’, board removed from set)
Troubleshooting
60PC1D Y SUS Board
Test Points referenced from the silk screen
found on the bottom of the PC Board.