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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to ED42D Chassis applied
OLED TV all models manufactured in TV factory.
2. Designation
(1) Because this is not a hot chassis, it is not necessary to
use an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep AC 100-240
V~, 50/60 Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15 °C.
In case of keeping module is in the circumstance of 0 °C, it
should be placed in the circumstance of above 15 °C for 2
hours.
In case of keeping module is in the circumstance of below
-20 °C, it should be placed in the circumstance of above 15
°C for 3 hours.
[Caution]
When still image is displayed for a period of 20 minutes or
longer (Especially where W/B scale is strong. Digital pattern
13ch and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
3. MAIN PCBA Adjustments
3.1. ADC Calibration
- An ADC calibration is not necessary because MAIN SoC
(LGE1311) is already calibrated from IC Maker.
3.2. MAC Address, ESN, Widevine, HDCP2.0
key download
* CI+ key : only for ED42D(55EC930V-ZA)
(1) Equipment & Condition
1) Play file: keydownload.exe
(2) Communication Port connection
1) Key Write: Com 1,2,3,4 and 115200 (Baudrate)
2) Barcode: Com 1,2,3,4 and 9600 (Baudrate)
3) Connect
: PCBA Jig → RS-232C Port == PC → RS-232C Port
(3) Download process
1) Select the download items.
2) Mode check: Online Only
3) Check the test process
: DETECT → MAC_WRITE → ESN → WIDEVINE_
WRITE → CI+ → HDCP14 → HDCP20
4) Play: START
5) Check of result: Ready, Test, OK or NG
(4) Inspection
- In INSTART menu, check these keys.
3.3. LAN port Inspection
3.3.1. Equipment and Condition
Each other connection to LAN Port of IP Hub and Jig.
3.3.2. LAN inspection solution
▪ LAN Port connection with PCB
▪ Setting automatic IP
▪ If you want manual connection, enter Network connection at
MENU Mode of TV. Press Start connection key, then
Network will be connected.
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