How To Access The Service Menu On A Panasonic Tv

Category: LED Television Repair and Service

Contents of this article

Service manner Access
Led blinking lawmaking
LCD Panel test

PANASONIC Th- 42 LRU thirty

LCD Panel Test Manner
Purpose
To find the possible failure bespeak where in LCD Panel or Printed Excursion Board when the abnormal flick is displayed.
How to Enter
While pressing [VOLUME ( - )] push button of the primary unit, press [Yellowish] button of the remote command three times.
How to Exit
Switch off the power with the [POWER] button on the main unit or the [POWER] push on the remote control.
How to confirm
If the abnormal film is displayed, get into LCD Console test mode to display the several test patterns.
And so, judge by the following method.
All the same abnormal motion-picture show is displayed: The cause must exist in LCD Console.
Normal picture is displayed: The cause must be in A lath.
Remarks
The test pattern is created by the circuit in LCD Panel.
In LCD Console test mode, this test pattern is displayed unaffected past signal processing for RF or input signal.
If the normal picture is displayed, LCD Panel must be okay and the crusade of failure must exist in A board.
Service Mode Role
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment tin can
be adjusted by remote control in Service Menu
How to enter into Service Mode
While pressing [VOLUME ( - )] button on the main unit, press the [Ruby-red] push button on the remote control for iii times within two seconds.
How to exit
Switch off the power with the [Power] button on the main unit or the [POWER] button on the remote control.

Key Command
# Press the3/4button to change the adjustment values or office.
# Printing theone/2button to step up/down through the functions and adjustments
# Press the numerical pushVolume (+/-)to change of each option detail.
# Press theOKbutton after each adjustment has been made to store the required values.

Service Tool Way
How to access
1. Select [SRV-TOOL] in Service Mode.
2. 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, 2d occurrence after shipment, 1st occurrence after shipment.
This indication volition be cleared by [Self/check indication and forced to factory shipment setting].
Power ON Time, On/Off
Note: To brandish TIME/COUNT menu, highlight position, then press MUTE for 3sec.
Time: Cumulative ability on fourth dimension, indicated hour: infinitesimal by decimal.
On/Off: Number of On/Off switching past decimal.
Note: This indication will not exist cleared past either of the self-checks or any other command.
Exit
Disconnect the Air conditioning cord from wall outlet or switch off the ability with [Power] button on the main unit.

Hotel Way
Access command to the Hotel way setup menu. In order to display the Hotel mode setup carte, delight enter the following command (within two second). [Television] : Vol.[Downwardly] + [REMOTE] : AV (3 times)

To get out the "Hotel mode": Switch off the power with the [POWER] push button on the primary unit or the [POWER] button on the remote control.

Data Copy by USB Retentivity

Grooming
Make pwd file equally startup file for (a) or (b) in an empty USB Retention.
ane. Insert an empty USB Memory to your PC.
2. Right-click a blank area in a USB Memory window, indicate to New, and then click text document. A new file is created
past default (New Text Certificate.txt).
3. Right-click the new text certificate that yous just created and select rename, and then change the name and
extension of the file to the following file proper noun (a) or (b) and press ENTER.
File name:
(a) For Board replacement: boardreplace.pwd
(b) For Hotel: hotel.pwd
Note:
Please brand only one file to forbid the operation error.
No any other file should be in USB Retentiveness.

Data Copy from Telly set to USB Retention
1. Turn on the Boob tube gear up.
2. Insert USB Memory with a startup file (pwd file) to USB Terminal.
On-screen Display will be appeared according to the startup file automatically.
3. Input a following password for (a) or (b) by using remote command.
(a) For Board replacement: 2770
(b) For Hotel: 4850
Data volition be copied from Television set to USB Retention.
It takes effectually 2 to 6 minutes maximum for copying.
4. After the completion of copying to USB Retentiveness, remove USB Retentivity from Telly prepare.
5. Plow off the Telly set.
Annotation:
Following new binder will exist created in USB Retention for data from TV set.
(a) For Lath replacement: user_setup
(b) For Hotel: hotel

Data Copy from USB Memory to Television gear up
1. Turn on the Boob tube prepare.
two. Insert USB Memory with Data to USB Terminal.
On-screen Display will be appeared according to the Data folder automatically.
3. Input a following countersign for (a) or (b) past using remote command.
(a) For Board replacement: 2771
(b) For Hotel: 4851
Data will be copied from USB Memory to Goggle box.
4. After the completion of copying to USB Memory, remove USB Memory from Tv prepare.
(a) For Board replacement: Data volition be deleted afterward copying (Express 1 re-create).
(b) For Hotel: Information will not be deleted and tin can exist used for other TVs.
5. Plough off the Television set.
Note:
1. Depending on the failure of boards, function of Data for lath replacement does not work.
2. This office can be effective among the same model numbers.

Self Cheque
How to access
Self-check indication merely:
While pressing [VOLUME ( - )] button on the main unit of measurement, press [OK] push on the remote command.
Cocky-check indication and forced to manufacturing plant shipment setting:
While pressing [Volume ( - )] button on the primary unit, printing [Carte du jour] push button on the remote command for more than than three seconds.
How to exit
Switch off the ability with the [Ability] push button on the primary unit of measurement.

Power LED blinking codes
When abnormality has occurred the unit of measurement, the protection excursion operates and reset to the stand up by mode. At this time, the defective block can be identified by number of blinking of the Power LED on the forepart console of the unit.