Read LG 42PA450C-CM (CHASSIS:PA23A) Service Manual online
LG Electronics Inc. Display Division
Establish : 2012/01/02
Reform : 2012/01/02
Reform : 2012/01/02
PD23A/B
Adjust specification
LG(55)C2-0661-00
13/ 25
LG electronics
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After You finish 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.
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Push The “IN STOP KEY” after completing the function inspection. And Mechanical Power Switch
must be set “ON”.
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To check the coordinates of White Balance, you have to measure at the below conditions.
Picture mode : Vivid, Energy Saving : Off, Below the Advanced control, Dynamic Contrast : Off, Dynamic
Colour : Off
Colour Temp.
Cool Medium Warm
30 0 30
Î Picture Mode change : Vivid Î Vivid(User)
4.3 DDC EDID Write (RGB 128Byte ) Æ Not used any more, Use Auto D/L
■ 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.
* For SVC main Ass’y, EDID have to be downloaded to Insert Process in advance.
4.4 DDC EDID Write (HDMI 256Byte) Æ Not used any more, Use Auto D/L
■ 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.
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