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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