Monday, November 09, 2015

PANASONIC TC-L37X2 - TC-L32X2 - TC-L22X2 - TC-L37C22 - TC-L32C22 LCD PANEL PROBLEMS DEFECTIVE PART AND DATA COPY

PANASONIC TC-L37X2 - TC-L32X2 - TC-L22X2 - TC-L37C22 - TC-L32C22 

DISPLAY PROBLEMS AND DATA COPY 

DATA COPY PREPARATION
The SD card requires a startup text file with a “.pwd” extension for copying to the SD card when replacing the A board or installing a number of units in a hotel.
1. Insert an empty SD card to your PC.
2. Right-click a blank area in the SD card window, point to New, and then click text document. A new file is created by default (New Text Document.txt).
3. Right-click the new text document that you’ve just created and select “Rename”.
4. Change the name and extension of the file to the following file name for copying to the SD card and press ENTER.
File name:
(a) For Board replacement : boardreplace.pwd
(b) For Hotel : hotel.pwd
Note:
Please make only one file to prevent operational error. Do not have any other file on the SD card.
TV TO SD CARD DATA COPY
1. Turn on the TV set.
2. Insert the SD card that contains the startup file (pwd file) in the SD card slot.
An On-screen display associated with the startup file will appear automatically.
3. Input the following password for (a) or (b) by using the remote control.
(a) For Board replacement : 2770
(b) For Hotel : 4850
Data will be copied from the TV set to the SD card. It takes around 2 to 6 minutes maximum for copying.
4. After the completion of copying to the SD card, remove the SD card from the TV.
5. Turn off the TV.
Note:
The following new folder will be created in the SD card from the TV.
(a) For Board replacement : user_setup
(b) For Hotel : hotel
SD CARD TO TV DATA COPY
1. Turn on the TV.
2. Insert the SD card with Data in the SD card slot. An On-screen display associated with the startup file will appear automatically.
3. Input the following password for (a) or (b) by using the remote control.
(a) For Board replacement : 2771
(b) For Hotel : 4851
Data will be copied from the SD card to the TV.
4. After the completion of copying to SD card, remove SD card from the TV set.
(a) For Board replacement : The data will be deleted after copying (Limited one copy).
(b) For Hotel : The data will not be deleted and can be used for other TVs.
5. Turn off the TV.
Note:
1. Depending on the failure of the A board, the data copy function for board replacement may not work.
2. This function can be effective among the same model numbers.
 DISPLAY PROBLEMS 
UPPER OR LOWER DEFECT
Abnormality means
No Picture, Picture noise, abnormal picture,
Full Horizontal line etc.

Defective parts
Panel (Panel drive)
Relation to panel drive location,
1/3 or 2/3 area will be troubled.
LEFT OR RIGHT HALF DEFECT
No Picture, Picture noise, Full Horizontal line, etc.

Defective parts
Panel (Panel drive) or A board
HORIZONTAL LINE


Defective parts
Panel
VERTICAL LINE



Defective parts
Panel
in this case , small vertical line problem is LCD panel defect.
If TCON is defective, there would be many vertical lines all over screen.
VERTICAL LINE NOISE

Defective parts
Panel or A board
SUB PICTURE NG

Defective parts
A board
NON UNIFORM COLOR


Defective parts
Panel
VERTICAL LINE ALL OVER SCREEN

Defective parts
Mainly A board, in some cases panel
OSD TROUBLE

Defective parts
A board