ADJUSTMENT
1. Application
1.1 This document is applied to LM55B chassis LCD Monitor which is manufactured in Monitor Factory or is
produced on the basis of this data.
1.2 Manufacturing Type : Set
2. Designation
2.1 The adjustment is according to the order which is designated and which must be followed, according to the
plan which can be changed only on agreeing.
2.2. Power Adjustment: Free Voltage ( 100 ~ 240Vac)
2.3. Magnetic Field Condition: Nil.
2.4. Input signal Unit: Product Specification Standard
2.5. Reserve after operation: Above 5 Minutes (Heat Run)
Temperature: at 25°C±5°C
Relative humidity : 65 ±10%
Input voltage : 100 ~ 240V, 50/60Hz
2.6. Adjustment equipments: Color Analyzer (CA-210 or CA-110), DDC Adjustment Jig equipment,
3. Main PCB check process
* APC -After Manual-Insult, executing APC
3.1 ADC Process
1) 34UM67 doesn’t need ADC process because it has only digital input like DisplayPort, Dual-link DVI and HDMI.
3.2 EDID Process
3.2.1 EDID Download
F/W includes default EDID for All input ports, aging on Mode If AC ON, default EDID is automatically loaded to
EEPROM.
Use HDMI 1 port to update serial number in EDID and gamma adjust WB adjust .
Caution: Never connect HDMI Cable when execute NVRAM Init and AC On at first for downloading
HDMI EDID and AC On at first for downloading HDMI EDID automatically
3.3 Function Check
3.3.1 Check Screen
■ Check input and signal items. (cf. work instructions)
1. DisplayPort1.2 (2560 x 1080 @60Hz)
2. Dual-link DVI (2560 x 1080 @60Hz)
3. HDMI1/2 (2560 x 1080 @60Hz)
Copyright©2010 LG Electronics. Inc. All right reserved.
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LGE Internal Use Only
Only for training and service purposes
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