Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV 2232BW Samsung 2232BW LCD Monitor sm Samsung 2232BW LCD Monitor sm 2232BW[7]

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2232BW[7]


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                                                                                                      7. Schematic Diagram

7. Schematic Diagram
7-1. Circuit Descriptions
                                                           Panel
                                                                                              LVDS Signal


                                                                                                      Crystal
             Key input                                    SE758MRH-LF
                                                              (Scaler)
                                                          Embeded MCU
                                         Function: Receives analog/digital inputs and
                                          scales to and outputs LVDS signals which
                                                 are fit to the panel resolution.
                                                                                                            24C08
         MX25LV512                         It works the same way as an old Micom
                                                                                                          (NVRAM)
       (Flash Memory)                      because it has an embedded MCU core.
                                                                                                    Function: Stores OSD
     Function: Stores the               But it uses external memory because it has no
                                                                                                      values and timing
    MCU code (Hex) data.        ISP                       MCU memory.                 I2C
                                                                                                         information
                                        One EEPROM is embedded to store DDC data.
                                                                                                       for each mode




                                Digital Signal                        Analog Signal
            24C02
       (DDC - Digital)
     Function: Stores the             SCL/SDA
      digital EDID data




                                 Function Ass'y
     Function: Transfers the inputs entered by the user to the Micom using
                               voltage difference.



  Location                                          Function                                                Remark

   Scaler     Besides the ADC, LVDS, and scaling part, an MCU is embedded as well. All of
                                                                                                        SE758MRH-LF
   IC200      them are integrated into one chip.
   Flash
              Stores the MCU program embedded in the scaler. It is of a flash type and
  Memory                                                                                                  MX25LV512
              rewritable.
   IC201
   IC203      Stores the OSD and various timing values.                                                     24C08
   IC202      The memory to which DIGITAL DDC data is input                                                 24C02
              An IC that receives DC voltage inputs. It is used in circuits that stabilize the DC      NCP117DT18T5G
 Regulator
              voltage.                                                                                  APL1117-33VC




                                                                                                                       7-1
7. Schematic Diagram

7-2. Schematic Diagrams
7-2-1. Scaler (IC200) Block




                                  1




                              2




  1                                   2




7-2
                              7. Schematic Diagram

7-2-2. LVDS conntor (CN400)




                                              7-3
7. Schematic Diagram

7-2-3. VGA Input (CN101), DVI Input (CN102) Block



                                                        3




                                                    4




      3                                 4




7-4
                                      7. Schematic Diagram

7-2-4. Function Input (CN200) Block




                                                      7-5
7. Schematic Diagram

Memo




7-6



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