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Slide #44
Troubleshooting a 5 Blinks Error Code
When troubleshooting a PDP TV that is shutting down and the power LED
blinks 5 times:
Find out if pins 1 or 2 of connector P35 are shorted to ground. If shorted,
possibly the panel is bad. If there is no short circuit, proceed to check the
P5V line.
Find out if 5V is output at pin 5 of connector P25 of the P board.
If no voltage is output, measure resistance between pin 5 of connector
P25 and ground (Chassis). If P5V is shorted, find out if it’s created on the
P board or if it’s created on any of the other boards that the 5V volt is
connected to.
If the P board is OK, disconnect the connectors providing the P5V to all
these boards while measuring resistance between pin 5 of connector P25
and ground.
The defective board is found when the connector that provides the P15V
to that board is removed and the short circuit is no-longer present.