LG 27GL850 Service Manual page 17

LG ELECTRONICS INC. / MONITOR DIVISION
Establish : 2019/03/29
Revision : 1
1. Application
1.1 This document is applied to LM61C chassis 27GL850 LCD Monitor which is manufactured in Monitor Factory or is produced on
the basis of this data.
1.2 Manufacturing Type: SET
1.3 Panel name : LM270WQA‐SSA1
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
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℃±5°C / Relative humidity: 65 ±10% / Input voltage: 100 ~ 240V, 50/60Hz
2.6. Adjustment equipments: Color Analyzer (CA‐210 or CA‐110, UA‐10), DDC Adjustment Jig equipment,
3. Main PCB check process
After Manual‐Insult, executing APC
* APC ‐
3.1 ADC Process
‐ GL850 doesn't need ADC process because it has only digital input like DisplayPort, HDMI.
3.2 Main PCB Function test
‐ Check display/audio according to interface
3.3‐1 Write HDCP 1.4 Key
‐. HDCP 1.4 KEY
a. HDCP 1.4 KEY is included in Scaler. Don't need write HDCP 1.4 key
LM61C ADJUSTMENT SPECIFICATION
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LG electronics