ViewSonic VX715 - Troubleshooting; No Power Issues; No Screen Image; Color and Button Issues

ViewSonic Corporation
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4.3 Description of Main Chips
MCU: main function is power control, OSD control, frequency calculation, RS232 communication and so on.
RTD2523: integrate ADC, OSD, SCALER, TCON, RSDS, LVDS, convert analog RGB into digital and room and shrink
scaling output to LCD panel.
AP1084: DC power convert, used to 5v convert 3.3v.
RT9164: DC power convert, used to 3.3v convert 2.5v.
24C02: EEPROM, is used to save DDC date which contains the basic parameter of facility, supplier, product name,
maximum H-frequency, support resolution and so on.
M24C16: EEPROM, is used to save Auto config data, white balance data, the state of power key and power on counting
data.