Thursday, April 30, 2015

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

SAMSUNG  SYNCMASTER 732N - 932

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