Troubleshoothing The Cof Ics - LG 60PX4DR Training Manual

TROUBLESHOOTHING THE COF ICS

COF is Chip On Film. If any of the tests indicate the junction is shorted or leaking, the adjacent COF
IC is defective. As a result the PDP panel will have to be replaced. Each resistor is a 10.2 - 10.8 ohm
resistor.
DIAGRAM OF THE COF IC
Plasma Training
DVM set to Diode test
DVM set to Resistance test
across the surface mount resistor.
VSSP
OUT1
OUT96
VPP
55
TROUBLESHOOTING
BLK POC STB A6 A5 A4 A3 A2 A1
CLK
F/R
BS
STV7620
Troubleshooting