TROUBLESHOOTING
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
56
BLK
POC
STB
A6
A5
A4
A3
A2
A1
CLK
F/R
BS
STV7620
Troubleshooting