Led Blinks 10 Times Before Pressing The Power Button; Led Blinks 10 Times After Pressing The Power Button - Panasonic TH-37PX60U Technical Manual

LED blinks 10 times before pressing the power button

<Trouble Mode and Defective Board>
Trouble Mode
Tuner/ PA SOS
<How to find the defective board(s)>
Disconnect connector PA40 of the PA
board and plug the TV into the AC line.
Does the
Yes
power LED
stop blinking?
No
Remove the DT board and
plug the TV into the AC line.
Does the
Yes
power LED
stop blinking?
No
1. Disconnect connector P10 on the P board. (Make sure the TV is
unplugged).
2. Because you only have 2 to 3 seconds to measure the F_STB_
14V, place your meter's probe at pin 1 of connector P10 on the
P board before plugging the TV to the AC line.
3. Plug the TV to the AC line while still holding the probe at pin 1.

LED blinks 10 times after pressing the power button

<Trouble Mode and Defective Board>
Trouble Mode
Tuner/ PA SOS
<How to find the defective board(s)>
Disconnect connector DG3 of the DG
board and plug the TV into the AC line.
Observe the SC and SS board LEDs.
Do the AC
Relays click and remain on?
Are the SC and SS board LEDs
on?
Yes
Connect connector DG3 of the DG board.
Disconnect connector PA40 of the PA
board and plug the TV into the AC line and
turn the unit on.
Does the
Yes
power LED
stop blinking?
No
Since it may be difficult to determine
whether the PA or the DG board is
defective), it's OK to order both the
DG and PA boards together.
Defective Board
PA, P, H, DG, DT Board
H Board
Note: When the DT board is removed,
the unit will power up with all functions
disabled due to a lack of data
communication.
DT Board
25
Defective Board
PA, P, H, DG, SC, SS Board
No Disconnect CN SC2(*1),
SC23 and SC20 of the SC
board. Turn the unit on.
Does the power
LED blink 10
times?
No
H Board
SC Board
Warning: Disconnect AC Power prior to making any disconnection or connection.
(*1)To avoid potential shock from the VSUS voltage, discharge the connectors SC2 or
SS11 before reconnecting them into their respective socket .
(*2) Place a jumper across pin 8 and 10 of connector P12. The unit will not enter the
standby mode without the jumper.
26
Warning: Disconnect AC Power prior to
making any disconnection or
Does the 14V
come up?
No
P Board
(*2) = The reference number of the sustain
data connector is different in some of the
models:
TH-37PX60U = SS23
TH-42PD60U = SS23
TH-42PX60U = SS23
TH-42PX600U = SS23
TH-50PX60U = SS43
TH-50PX600U = SS44
TH-58PX60U = SS44
TH-58PX600U = SS44
TH-65PX600U = SS44
Disconnect CN SS11(*1), SS12 (*2)
and SS23 (*2) of the SS board. Turn
the unit on.
Does
Yes
the power LED
blink 10 times?
Yes
No
SS Board
connection.
PA board
Figure
Connector PA40
Since it may be
difficult to determine
whether the PA or the
Yes
DG board is
defective, it's OK to
order both the DG
and PA boards
together.
P Board