Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION
1. Application
This spec. sheet applies to EA62C Chassis applied OLED TV
all models manufactured in TV factory
2. Specification
(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 ± 5
ºC
of temperature and 65±10% of relative humidity if
there is no specific designation
(4) The input voltage of the receiver must keep 100~240V,
50/60Hz
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15
ºC
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. Adjustment items
3.1. Main PCBA Adjustments
▪ MAC Address Download
▪ ADC adjustment : 480i Comp1, 1920*1080 Comp1
▪ EDID/DDC download
- Above adjustment items can be also performed in Final
Assembly if needed. Adjustment items in both PCBA and
final assembly tages can be checked by using the INSTART
Menu -> 1.ADJUST CHECK
3.2. Final assembly adjustment
▪White Balance adjustment
▪ RS-232C functionality check
▪ PING Test
▪ Factory Option setting per destination
▪ Ship-out mode setting (In-Stop)
▪ GND and HI-POT test
3.3. Etc
▪ Ship-out mode
▪ Service Option Default
▪ USB Download(S/W Update, Option, Service only)
▪ ISP Download(Option)
4. Automatic Adjustment
4.1. ADC Calibration
(1) Enter the ADC Calibration in ADJ Menu
(2) Check the ‘Internal’ at ADC Type and push Start button.
(3) Check ‘ OK ‘
4.2. MAC address D/L , CI+ key D/L , Widevine
key D/L, ESN D/L, HDCP20 D/L
Connect: USB port
Communication Prot connection
▪ Com 1,2,3,4 and 115200(Baudrate)
Mode check: Online Only
▪ check the test process
DETECT -> MAC -> ESN -> Widevine -> CI -> HDCP20
▪ Play : Press Enter key
▪ Result: Ready, Test, OK or NG
▪ Printer Out (MAC Address Label)
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