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 !

Friday 8 March 2019

SAMSUNG LE32S81BX SERVICE MODE SOFTWARE UPDATE AND POWER SUPPLY CIRCUIT

SAMSUNG LE32S81BX SERVICE MODE SOFTWARE UPDATE AND POWER SUPPLY CIRCUIT

SAMSUNG LE32S81BX

 SERVICE MODE SOFTWARE UPDATE  AND POWER SUPPLY CIRCUIT 

How to Access Service Mode
Entering Factory Mode
To enter to service mode press the following buttons on the remote in sequence
Power OFF  >INFO > MENU > MUTE > Power ON
#If you have Factory remote - control
PICTURE ON > DISPLAY > FACTORY
#The buttons are active in the service mode.
1. Remote - Control Key : Power, Arrow Up, Arrow Down, Arrow Left Arrow Right, Menu, Enter, Number Key(0~9)
2. Function - Control Key : Power, CH +, CH -, VOL +, VOL -, Menu, TV/VIDEO(Enter)
Panel Check
Specially for LE26,32R7**, You have to check Panel Maker Because of different adjustments as follows.
First of all, Check the label rating.
If Panel Mark is "A", Set the factory mode indicating as follows.
Panel BOM(Bill of material) : BN07-00289A
Connector between Panel and Power Unit : BN39-00603M (300mm)
# Option Byte
1. Gamma "AUO"
2. Panel Option "AUO"
If Panel Mark is "S" or not printed.
Set the factory mode indicating as follows.
Panel BOM(Bill of material) : BN07-00247A
Connector between Panel and Power Unit : BN39-00603M (300mm)
# Option Byte
1. Gamma "AMLCD"
2. Panel Option "AMLCD_INT"
If Panel Mark is "C" , Set the Factory mode indicating as follows.
Panel BOM(Bill of Material) : BN07-00207A
Connecotor between Panel and Powe Unit : BN39-00659A(200mm)
# Option Byte
1. Gamma " CMO "
2. Panel Option " CMO "
Service Adjustment
White Balance - Calibration
If picture color is wrong, do calibration first.
Equipment : CA210, Patten : chess pattern
Execute calibration in Factory Mode
Source AV : PAL composite, Component : 1280-720/60Hz
PC : 1024-768/60Hz
White Balance - Adjustment
If picture color is wrong, check White Balance condition.
Equipment : CA210, Patten : Toshiba
Adjust W/B in Factory Mode
Sub brightness and R/G/B Offset controls low light region
Sub contrast and R/G/B Gain controls high light region
Source AV : PAL composite, Component : 1280*720/60Hz
HDMI[DVI] : 1280*720/60Hz
[ Test Pattern : MSPG-945 Series Pattern #16 ]
#Color temperature
1500K +/-500, -6 ~-20 MPCD
#Color coordinate
H/L : 267/263 +/- 2 35.0 Ft +/- 2.0Ft
L/L : 270/260 +/- 3 1.5 Ft +/- 0.2Ft
Conditions for Measurement
1. On the basis of toshiba ABL pattern : High Light level (57 IRE)
- INPUT SIGNAL GENERATOR : MSPG-925LTH
# Mode NO 2 : 744X484@60 Hz
NO 6 : 1280X720@60 Hz
NO 21 : 1024X768@60 Hz
# Pattern NO 36 : 16 Color Pattern
NO 16 : Toshiba ABL Pattern
2. Optical measuring device : CA210 (FL)
Method of Adjustment
1. Adjust the white balance of AV, Component and DVI Modes. (AV Component)
a) Set the input to the mode in which the adjustment will be made (RF DTV PC DVI).
# Input signal - VIDEO Mode : Model #2 (744-484 Mode), Pattern #16
# DTV,DVI Mode : Model #6 (1280-720 Mode), Pattern #16
# HDMI Mode: Model #6(1280-720 Mode), Pattern #16
b) Enter factory color control, confirm the data.
c) Adjust the low light. (Refer to table 1, 2 in adjustment position by mode)
# Adjust sub - Brightness to set the 'Y' value.
# Adjust red offset ('x') and blue offset ('y') to the color coordinates
d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
* Do not adjust the green gain and sub-contrast (Y) data.
3 Alignments and Adjustments
d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
# Do not adjust the green gain and sub-contrast (Y) data.
Software Upgrade
How to Update Flash ROM
1. Installthe Flash Downloader
ConnectSet(Service Jack)and Jig Cable to execute Program Update.
2. Flash Downloader program update
#Before Turning on the set,Click "connect"which is under of OSD Screen!
#Turn on the Set.
POWER SUPPLY 

CLICK ON THE IMAGE TO ZOOM IN