REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

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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..............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 !

Tuesday, 12 March 2019

SAMSUNG LN26R71BD - LN-S2652D - LN26R71B - LN32R71BD - LN-S3252D - LN32R71B - LN40R71BD - LN-S4052D SERVICE MODE

SAMSUNG LN26R71BD - LN-S2652D - LN26R71B - LN32R71BD - LN-S3252D - LN32R71B - LN40R71BD - LN-S4052D SERVICE MODE 

LCD TV SERVICE MODE 

SERVICE MODE
To enter 'Service Mode' Press the remote -control keys in this sequence :
- If you do not have Factory remote – control.
Power OFF > MUTE > 1 > 8 > 2 > Power On
White Balance – Calibration
Conditions for Measurement
 Calibration DTV Calibration
PC Calibration
(Calibration Condition refer to next page)
 W/B
(low light) (hight light)
1. On the basis of toshiba ABL pattern : High Light level (57 IRE)
- INPUT SIGNAL GENERATOR : MSPG-925LTH
* Mode NO 1 : 744X484@60 Hz
NO 6 : 1280X720@60 Hz (Component 720P)
NO 21 : 1024X768@60 Hz
* Pattern NO 15 : Color bar
NO 16 : Toshiba ABL Pattern
NO 17 : 16 gray
2. Optical measuring device : CA210 (FL)
Please use the MSPG-925 LTH generator for model LN26R71BD, LN26R71B, LN32R71BD,
LN32R71, LN40R71BD
White Ratio (Balance) Adjustment
1. You can adjust the white ratio in factory mode (1:Calibration, 3:White-Balance).
2. Since the adjustment value and the data value vary depending on the input source, you have to adjust these in CVBS, Component 1 and HDMI 1 modes.
3. The optimal values for each mode are configured by default. (Refer to Table 1, 2.) It varies with Panel's size and Specification.
- Equipment : CS-1000
- Pattern: Master MSPG925 #16 "ABL Pattern" as standard - Use other equipment only after comparing the result
with that of the Master equipment.
- Set Aging time : 30min
- Calibration and Manual setting for WB adjustment.
HDMI: No Calibration Manual adjustment at #16 pattern (720p)
COMP: Calibration at #24 Chessboard Pattern >  Manual adjustment at #16 pattern (720p)
CVBS: Calibration at #24 Chessboard Pattern > Manual adjustment at #16 pattern (NTSC)
PC : Calibration at #24 Chessboard Pattern No > Manual adjustment (1024x768@60Hz)
USB Download Method
1. Downloading boot code
Change the boot code's file name into "boot.bin".
Copy the "boot.bin" into the path "/bordeaux/us" in USB flash driver.
Turn off LCD TV.
Insert the USB flash driver into the service 1 jack of LCD TV.
Turn on LCD TV.
The banner osd "Updating SW..." is displayed.
The banner osd "Completed..." is displayed when the updating is completed.
Turn off and remove the USB flash driver from LCD TV
Check the program version.
2. Downloading application code
Change the application code's file name into "appl.rom".
Copy the "appl.rom" into the path "/bordeaux/us" in USB flash driver.
Turn off LCD TV.
Insert the USB flash driver into the service 1 jack of LCD TV.
Turn on LCD TV.
The banner osd "Updating SW..." is displayed.
The banner osd "Completed..." is displayed when the updating is completed.
Turn off and remove the USB flash driver from LCD TV
Check the program version.
Posted By: FRANK at 10:50
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