Dpm Operation Confirmation; Ddc Edid Write; Serial Number - LG M227WDP Service Manual

* After done all adjustments, Press "In-start" button and compare
Tool option and Area option value with its BOM, if it is correctly
same then unplug the AC cable.
If it is not same, then correct it same with BOM and unplug AC
cable.
For correct it to the model's module from factory JIG model.
* Don't push The "IN STOP KEY" after completing the function
inspection.
* When doing Adjustment, Please make circumstance as below.
4.2 DPM operation confirmation (Only Apply for MNT Model)
• Check if Power LED Color and Power Consumption operate as
standard.
- Set Input to RGB and connect D-sub cable to set
- Measurement Condition: (100~240V@ 50/60Hz)
- Confirm DPM operation at the state of screen without Signal
4.3 DDC EDID Write (RGB 128Byte)
- Connect D-sub Signal Cable to D-Sub Jack.
- Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not.
4.4. DDC EDID Write (DVI 128Byte)
- Connect DVI-D Signal Cable to DVI Jack.
- Write EDID DATA to EEPROM (240C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not.
4.5. DDC EDID Write (HDMI 256Byte)
- Connect HDMI Signal Cable to HDMI Jack.
- Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.6. Serial number (RS-232C)
- Press "Power on" key of service remocon.(Baud rate :
115200 bps)
- Connect RS232 Signal Cable to RS-232 Jack.
- Write Serial number by use RS-232.
- Must check the serial number at the Diagnostics of SET UP
menu. (Refer to below).
- 21 - LGE Internal Use Only