Panasonic LED/LCD TV Service Menu Login Method

Panasonic Viera TC-65DX900U UHD LED TV

a) Login to CS Maintenance Menu method:

While pressing [VOLUME (-)] button of the main unit, press [RED] button of the remote control three times within 2 seconds.

Note:

CS Maintenance Menu cannot be entered when 3D signal input. Input 2D signal to enter CS Maintenance Menu.

Press the cursor key [Up/Down] on the remote to control to select the functions.

How to exit:

Press the [EXIT] button on the remote control.

b) How to Access Hotel Mode

In order to display the Hotel Mode setup menu, please enter the following command (within 2 seconds):

[TV]: Vol [Down] + [REMOTE]: AV (3 times)

Then the Hotel Mode setup menu is displayed.

To exit the Hotel Mode setup menu:

Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.

c) How to Access the IIC Bus Lines- Self-Check Indication and Force to Factory Shipment Setting:

Self-check indication only:

Produce TV reception screen, and while pressing [VOLUME (-)] button on the main unit, press [BLUE] 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.

Check Point:

Confirm the following parts if NG was displayed.

How to exit:

Disconnect the AC cord from the wall outlet or press the [POWER] button on the main unit for 3 seconds to turn off and then turn on automatically.

d) LCD Panel Test Mode:

Purpose:

To find the possible failure point where in LCD Panel or Printer Circuit Board when the abnormal picture is displayed.

How to enter:

While pressing [VOLUME(-)] button of the main unit, press [YELLOW] button of the remote control three times within 2 seconds.

How to exit:

Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.

How to confirm:

If the abnormal pictured is displayed, go into LCD Panel Test mode to display the several test patterns. And then, judge by the following method.

i) Still abnormal picture is displayed: The cause must be in LCD Panel.

ii) Normal picture is displayed: The cause must be in A board.

Remark:

The test pattern is created by the circuit in LCD Panel. In LCD Panel test mode, this test pattern is displayed unaffected by signal processing for RF or input signal. If the normal picture is displayed, LCD Panel must be okay and the cause of failure must be in A board.