LG Electronics 425010, 425030, 425020 service manual 更多难得资料请到江南家电维修论坛免费下载！ http//bbs.520101.com

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-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.

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

4.3DDC 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 (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

4.5.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).