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 SYNCMASTER 732N - 932B SERVICE MODE AND POWER SUPPLY CIRCUIT

SAMSUNG SYNCMASTER 732N - 932B SERVICE MODE AND POWER SUPPLY CIRCUIT


SAMSUNG  SYNCMASTER 732N - 932B 

LCD MONITOR 

SERVICE MODE AND POWER SUPPLY CIRCUIT 


How to Display Service Function OSD
1. The value for brightness and contrast should be changed to zero.
2. Within 5 seconds, press the (Enter/Source) key.
3. Service function OSD will be displayed.
-If you want to disable the service function OSD, you will have to power off.
The service function OSD is based on a grid of 29 columns x 12 rows. The service function OSD consists of panel information, software version and MICOM checksum.

SERVICE MODE 
How to Control Service Function OSD
1. With the panel selected on OSD, whenever you press the right key, the base color will change to blue from "Panel" to "Upper Lamp", "Lower Lamp".
How to Control Service Function OSD
-After changing the panel or lamp, you must reset service function OSD.
-The case of panel change
After changing the panel, press the menu key within 5 seconds,. Then, panel Ch. No increases one step and the panel time information is reset to zero. Simultaneously, other information is reset to zero (Upper/Lower lamp, Panel cycle).
How to Control Service Function OSD
-In the case of Upper Lamp or Lower Lamp change
After changing the Upper Lamp or Lower Lamp,
1. Select the Upper Lamp or Lower Lamp
2. Press the Menu key within an 5 seconds.
Then, Ch. No and time will be reset to zero (selected item only).
How to execute DDC
After exchange the Main PBA, confirm below items
1. Open file.
2. Select Port #1.
3. Select DDC file.
4. Click, "Next" Button
1. PC color status check (Auto Color)
2. EDID Input (Analog and Digital)
3. Check the MCU Code
(After change MCU Code, Do Auto color )
4. Factory Reset.
1) Run DDC Manager MTI-2050.
2) Select a DDC file name.
Progtam : WinDDC BY SAMSUNG ELEC.Co. [Ver:4.65.12V] --- Modify : 20050425
DDC : 732N.ddc or 932B.ddc
3) Insert into DDC Manager Port 1 (analog) and make the DDC input as for the old dual model.
4) Insert into DDC Manager Port 2 (Digital) and make the DDC input.
1. Open file.
2. Select Port #1.
3. Select DDC file.
4. Click, "Next" Button
5. Type in the monitor serial number and press Enter.
*Repeat this step 2 to 5 times in digital inputs after the analog input.
How to execute MCU Code
Program Setting - Config Setting
1. Click Config Setting
2. Change SCL Signal at Pin Assignments
3. Set Device to Parallel
Change Batch File Path and DownLoad Code
4. Change the Code's Path to saved Path at your PC.
5. Save the Batch file.
6. Write Batch command
"batch batch file name.txt"
7. Click "Execute" Button
8. If command is "Successful" , Hard Power On/Off until LED is Off
- If command is "Error",
1. Hard Power Off
2. Write Command "forcesa"
3. Click "Execute" Button
4. Repeat again 7 to 9.
Automatic Color Adjustment
To input video, use 16 gray or any pattern using black and white.
1. Select english for OSD language.
2. Press the " (Enter/Source)" key for 5 seconds.
OSD Adjustment When Replacing Panel
1. Adjust brightness and contrast to 0. Then, press the (Enter/Source) key for 5 seconds. Service function OSD will appear on screen.
2. Press the + key to place the cursor on the panel. Press the menu key for 5 seconds.
OSD Adjustment When Replacing Lamp Only
1. Adjust brightness and contrast to 0. Then, press the exit key for 5 seconds. Service function OSD will appear on the screen.
2. Press the + key. Select upper lamp and press the menu key for 5 seconds. Then, select lower lamp and press the menu key for 5 seconds.
-Note : Please be sure to read the following instructions for details on service function.
POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN
Posted By: FRANK at 02:36
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