LED blinks 4 times
Trouble Mode
Power Supply SOS
Defective Board
Primarily P board followed by D board
Yes
No
13
D Board
P Board
Turn the TV on.
Is pin
12 of CN P25
on the P
board high
before the TV
shuts down?
Warning:
Disconnect AC Power prior to
making any disconnection or connection
An abnormal increase in any of the voltages generated
by the power supply (Vsus, Vda, P15V, P5V, STB5V)
4 blinks condition can be caused by:
