Servicing - LG DPDP60 Service Manual

TROUBLESHOOTING
ABNORMAL PICTURE
Doe the unit have raster?
Continued on page 10

SERVICING

NO
YES
YES
Is 25V present on CN1 pin 1of DC/DC Converter?
YES
Is 75V present on CN2 pin 1of DC/DC Converter?
YES
Is 180V present on CN2 pin 6 of DC/DC
Converter?
YES
Is 15V present on CN7 pin 7?
Unload source (CN7).
Does 15V return?
YES
Replace Z-Center Right PCB and Y-Drive Amp
PCB.
Replace DC/DC Comverter
Replace Switch Mode Power Supply.
9
NO
NO
NO
NO
NO
PDP 60" - SERVICING