PANASONIC TC-P46U1N Plasma HDTV How to enter service mode_LED blinking codes

Service Mode_LED blinking chart_Self check_Hotel Mode_Service Tool Mode _ Power Board [SMPS] Circuit Diagram_ PANASONIC TC-P46U1N 46 inch Class 1080p Plasma HDTV

HOW 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 command
[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
[VOL] button...Value of sub items change in forward direction ( + ), in reverse direction ( - )

Service tool mode
Select [SRV-TOOL] in Service Mode.
Press [OK] button on the remote control.

Display of SOS History
SOS History (Number of LED blinking) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting].

POWER ON TIME/COUNT
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-checks or any other command.

To Exit Disconnect the AC cord from wall outlet.

Hotel mode: Purpose
Restrict a function for hotels.
Access command to the Hotel mode setup menu
In order to display the Hotel mode setup menu, please
enter the following command (within 2 second).
[TV] : Vol. [Down] + [REMOTE] : INPUT (3 times)

The Hotel mode setup menu is displayed.

To exit the Hotel mode setup menu; Disconnect AC power cord from wall outlet.

Explain the Hotel mode setup menu : Use the self-check function to test the unit.
> Checking the IIC bus lines
> Power LED Blinking timing.

Check of the IIC bus lines
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.

Screen display & Check Point

Power LED Blinking timing chart [Information of LED Flashing 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.