Thursday, January 17, 2013

PANASONIC TH-50PX80U _ SERVICE MODE _ HOTEL MODE _ LED BLINKING CODES & OTHER DETAILS




TO ENTER SERVICE MODE

  • While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.
KEY COMMANDS
  • 1. button...Main items Selection in forward direction
  • 2. button...Main items Selection in reverse direction
  • 3. button...Sub items Selection in forward direction
  • 4. button...Sub items Selection in reverse direction
  1. Value is shown as a hexadecimal number.
  2. Preset value differs depending on models.
  3. After entering the adjustment mode, take note of the value in each item before starting adjustment.
TO EXIT SERVICE MODE
  • Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
SERVICE TOOL MODE
  • Select “SRV-TOOL” in Service Mode.
  • Press [OK] button on the remote control.
DISPLAY OF SOS HISTORY

Note : To display TIME/COUNT menu, highlight position, then press MUTE for (3sec).
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of ON times by decimal
Note : This indication will not be cleared by either of the self-check or any other command.

TO EXIT: Disconnect the AC cord from wall outlet.

HOTEL MODE
  1. In order to display the Hotel mode setup menu, enter the following command (within 2 second).
  2. [TV] : Vol. “Down” + [REMOTE] : TV/VIDEO (3 times)
  3. Then, the Hotel mode setup menu is displayed.
  4. To exit the Hotel mode setup menu Disconnect AC power cord from wall outlet.
TROUBLESHOOTING

Use the self-check function to test the unit.
Checking the IIC bus lines
Power LED Blinking timing

CHECK OF IIC BUS LINE
  • Self-check indication only:

Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.
  • Self-check indication and forced to factory shipment setting:

Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
  • TO EXIT: Disconnect the AC cord from wall outlet.
POWER LED BLINKING TIMING CHART
  • When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
BLINKING TIMES
CONTENTS
CHECK POINT

1
No particular check point
Panel status.
STB 5V Sense Time Out


A-Board

2
15V SOS
A-Board

3
3.3V SOS
A-Board

4
Power SOS
P-Board

5
5V SOS
A_Board

6
Driver SOS-1 [SC energy recovery unit]
SU-Board
SD-Board
SC-Board

7
Driver SOS-2 [SC floating voltage area]
SU-Board
SD-Board
SC-Board

8
Driver SOS-3 [SS energy recovery unit]
SS-Board
SS2-Board
SS-3 Board

9
Panel Config SOS
  =====



10
Sub 5V SOS

Main 3.3V SOS
DTV 9V SOS
Tuner Power SOS



A-Board
11
Won’t occur


12
Sound SOS
A-Board

13
Communication error with IC8001 [Pesks Lite 2]

A-Board