LED blinks 5 times (Quick Troubleshooting)
<Trouble Mode and Defective Board>
Trouble Mode
5V SOS
Defective Board
P, C, SC, SS board or Panel (DDIC)*1
<How to find the defective boards>
Disconnect CN P12 of the power supply board.
Measure the resistance of pin 1 of the lead
cable to ground.
Yes
12
Proceed to more extensive troubleshooting
of the slides that follow.
No
Note: CN = Connector
Warning: Disconnect AC Power prior to making any
disconnection or connection
(*1) = The reference number of the sustain data
connector is different in some of the models:
TH-42PX80U = SS23
TH-50PX80U = SS23
(*2) CAUTION: Before connecting P2/SC2 or
P11/SS11, discharge is necessary to prevent
potential shock caused by VSUS.
Is there a
short to
ground?
Panel
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