Q7C3 LCD Monitor Service Guide
Alignment Procedure
4
Read User R-Gain data from NVRAM A3 6C XX checksum
Read User G-Gain data from NVRAM A3 6D XX checksum
Read User B-Gain data from NVRAM A3 6E XX checksum
Change Color Temperature to C1 CC 1 XX checksum
Change Color Temperature to C2 CC 2 XX checksum
Change Color Temperature to C3 CC 3 XX checksum
Change C/T to User CC 4 XX checksum
User mode to factory mode 1A 5A XX checksum
Auto Color (Offset1, Offset2, Gain) 1B 5A XX checksum
Factory mode to User mode 1E 5A XX checksum
Clear user area data 1F 5A XX checksum
Off burn in mode CE 2 XX checksum
Change Language Setting 66 0~7 XX checksum
Read EEPROM Contrast A3 92 XX checksum
Read EEPROM Brightness A3 93 XX checksum
Read EEPROM C/T Point A3 94 XX checksum
Read EEPROM OSD-Hpos A3 95 XX checksum
Read EEPROM OSD-Vpos A3 96 XX checksum
Read EEPROM Language A3 97 XX checksum
Read EEPROM OSD Timer A3 98 XX checksum
Read EEPROM Volume A3 99 XX checksum
Table 1
When PC Host sends 0x7D command to MCU, MCU must return as following (2 bytes)
Return Code R-Byte1 R-Byte2
Checksum error code FC AA
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