Adc Process; Pc Input Adc - LG M227WDP Service Manual

• USB DOWNLOAD
1. Put the USB Stick to the USB socket
2. Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is
Low, it didn't work. But your downloaded version is High,
USB data is automatically detecting
3. Show the message "Copying files from memory"
i TV Software Upgrade
Copying files from memory
Do not remove the memory card from the pc
Do not plug off!
4. Updating is staring.
i TV Software Upgrade
Upgrading...
Do not plug off!
i TV Software Upgrade
Upgrading COMPLETED
The TV will restart after seconds.
5. Updating Completed, The TV will restart automatically.
6. If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have, TV
can lost all channel data. In this case, you have to channel
recover. if all channel data is cleared, you didn't have a
DTV/ATV test on production line.
• After downloading, have to adjust TOOL OPTION again.
1. Push "ADJ " key in service remote controller
2. Select "Tool Option 1" and Push "OK" button
3. Punch in the number. (Each model has their number.)
4. Completed selecting Tool option
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Only for training and service purposes
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3.1 ADC Process

3.1.1 PC input ADC

3.1.1.1 Auto RGB Gain/Offset Adjustment
- Convert to PC in Input-source
- Signal equipment displays
Output Voltage: 700 m Vp-p
Impress Resolution XGA (1024 x 768 @ 60Hz)
Model : 60 in Pattern Generator
Pattern : 29 in Pattern Generator (MSPG-925 SERIES)
Adjustment pattern (PC )
- Adjust by commanding AUTO_COLOR_ADJUST.
3.1.1.2 Confirmation
- We confirm whether "0xAA (RGB)" address of EEPROM
"0xA2" is "0xAA" or not.
- If "0xAA (RGB)" address of EEPROM "0xA2" isn't "0xAA",
we adjust once more
- We can confirm the ADC values from "0xA4~0XA9 (RGB)"
addresses in a page "0xA2"
*Manual ADC process using Service Remocon. After enter
Service Mode by pushing "ADJ" key,
execute "ADC Adjust" by pushing "
CALIBRATION: RGB".
- 19 -
" key at "ADC
LGE Internal Use Only