Master Electronics Repair !

Welcome to Master Electronics Repair! website.Here you will find:Service Modes, Circuit Diagrams,Service manuals, Firmware Update procedure, Disassemble procedure, Universal remote control setup codes, Troubleshooting, Diagnosing, Measuring, and more.... of many of LCD/LED TV/Displays,others various electronic apparates,trough many technical notes and tips/tricks to help repairing/fixing Troubles/ faults,for electrical technicians.This site helps you to save the Earth from electronic waste!

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!

Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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Note that if you don't find what you searched for, try it after a period of time; the site is a never ending job !

..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Saturday, 9 March 2019

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