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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet applies to EA61G Chassis applied LED 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 ±5ºC 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
15ºC
▪ 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 PCB check process
▪ 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. Both Board-level and Final assembly
adjustment items can be check using In-Start 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 Adjustment
(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, ESN, Widevine, HDCP2.0
key D/L
4.2.1. Equipment & Condition
(1) Play file: keydownload.exe
4.2.2. Communication Port connection
(1) Key Write: Com 1,2,3,4 and 115200 (Baudrate)
(2) Barcode: Com 1,2,3,4 and 9600 (Baudrate)
4.2.3. Download process
(1) Select the download items.
(2) Mode check: Online Only
(3) Check the test process : DETECT -> MAC -> Widevine
(4) Play: START
(5) Check of result: Ready, Test, OK or NG
4.2.4. Communication Port connection
(1) Connect: PCBA Jig -> RS-232C Port == PC -> RS-232C
Port
4.2.5. Download
(1) Models(MAC + Wi ESN): Korea model(K2Lp)
Summary of Contents for OLED77G6P
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