Panasonic TH-42PX500U - Power LED Flashing Charts; TH-42;50 PX500 U Power LED Flashing timing chart

TH-42/50PX500U
Power LED Flashing timing chart
The unit is equipped with a self-protection circuit that places it in standby when there is
an abnormality with one or more of the Power Supply circuits. The faulty circuit may be
easily identified by counting the number of flashes emitted by the power LED located in
front of the unit.
Number
of Power
LED
blinks
Blinking Timing Suspected Board
1
D, P board
4
P, PA board (Power
SOS)
5
D, P board (5V SOS)
6
SC board (SC Energy
recovery and SC
floating voltage)
7
SS Board (SS Data
Energy recovery and
data driver)
8
SS board (SS Energy
recovery)
9
Incorrect D, DG board
10
PA Board (No power
for tuner)
11
PB board, Fan (Fan
SOS)
12
H, PB, Z Board
(Sound SOS / Speaker
shorted)
Table 4
Note: LED indicators on the SS and SC boards alert the technician when a problem
exists. The LEDs should be lit during normal operation, a dark LED indicates that a
problem exists on that board.
40