LG M227WD Service Manual page 18

* 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 2008 LG Electronics. Inc. All right reserved.
C
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).
4.7. HDCP (High-Bandwidth Digital Contents Protection)
SETTING (Scaler : Mstar)
- Connect D-sub Signal Cable to D-Sub Jack
- Input HDCP key with HDCP-key- in-program
- HDCP Key value is stored on EEPROM (AT24C512) which
is 0x80 addresses of 0xA0 page
- AC off/ on and on HDCP button of MSPG925 and confirm
whether picture is displayed or not of using MSPG925
- HDCP Key value is different among the sets.
4.8. Outgoing condition Configuration
- After all function test., press IN-STOP Key by SVC Remote
controller. And make Outgoing Condition.
- When pressing IN-STOP key by SVC remocon, Blue and
Amber LED are blinked alternatively. And then
Automatically turn off.
(Must not AC power OFF during blinking)
4.9. Internal pressure
- Confirm whether is normal or not when between power
board's ac block and GND is impacted on 1.5kV(dc) or
2.2kV(dc) for one second
- 18 - LGE Internal Use Only