105
Plasma Display Panel Troubleshooting - 2007
▣
Y-DRV defects
Pic. 1.
▣
Scan IC defects
1. To fixed up (-) Probe like Pic.2
2. To sweep (+) Probe on the connector like Pic. 3.
3. If there are short between GND and a pin, it is failure of
the scan ic
Î
To replace Y-DRV
Pic 2.
Pic. 3.
Pic. 4.
1) Diode value comes 0.4~0.6
Î
Y-DRV OK
2) Less than 0.4,
Î
to replace Y-DRV board
Checking method of Y-DRV
Ex>50X3
<Phenomenon>
GND
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