Adjustment; Specifications - LG Flatron 27UD68P Service Manual

1. Application
1.1 This document is applied to LM55H chassis 27" 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
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
- 27UD68 doesn't need ADC process because it has only digital input like DisplayPort and HDMI.
3.2 Main PCB Function test
- Check display/audio according to interface
4. Total Assembly line process
4.1 Write HDCP 1.4 / 2.2Key
-. HDCP 1.4 KEY
a. HDCP 1.4 KEY is included in Scaler. So, do not need write HDCP 1.4 key.
-. HDCP 2.2 KEY (New, Refer to 27MU67 Writing process)
a. Write HDCP Key into EEPROM by using DDC2AB protocol & HDCP Adjustment Jig equipment.
If error is occurred, try to write again.
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes

ADJUSTMENT

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