LG 60LM6450 Service Manual page 10

* USB DOWNLOAD(*.epk file download)
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
- If your downloaded program version in USB Stick is Low,
it didn't work. But your downloaded version is High, USB
data is automatically detecting.
(3) Show the message "Copying files from memory".
(4) Updating is starting.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have, TV
can lost all channel data. In this case, you have to channel
recover. if all channel data is cleared, you didn't have a DTV/
ATV test on production line.
* After downloading, have to adjust Tool Option again.
(1) Push "IN-START" key in service remote control.
(2) Select "Tool Option 1" and push "OK" key.
(3) Punch in the number. (Each model has their number)
3.1. ADC Process
- Enter Service Mode by pushing "ADJ" key,
- Enter ADC mode by pushing "►" key at "8. ADC Calibration".
- There are 2 ways for ADC Calibration.(OTP, External)
OTP mode: Automatic ADC Calibration.(Internal ADC Calibration)
On the manufacture line, OTP is used for ADC
Calibration automatically.
Externl mode: Manual ADC Calibration. When OTP mode is
failed, ADC calibration should be "OK" by using
External mode.
3.1.1. OTP mode
(1) Press "ADJ" key on the Adjustment Remote Control, then
select "8. ADC Calibration". By pressing Enter key, enter
ADC Calibration menu.
(2) Set up the ADC Type to OTP, then Select [Start] button by
pressing Enter key, Component and RGB are Written and
display Success or NG.
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
3.1.2. External mode
* Equipment: MSPG-925 series Pattern Generator , RS-232C Jig
(1) Input the signal for TV SET by using Pattern Generator
(Model : 225, Pattern No : 65)_1080P
(2) Change the ADC type "External" by using "►"key.
(3) Enter "Start" key.
(4) Check the sign "OK" all of comp/RGB.
- Pattern : Horizontal 100% Color Bar Pattern
- Pattern level : 0.7±0.1 Vp-p
- Image
<Caution> Using "P-ONLY" key of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
NO Item
Enter Adjust
Adjust MODE 'Mode In'
ADC adjust ADC Adjust
Adjust Sequence
▪ aa 00 00 [Enter Adjust Mode]
▪ xb 00 40 [Component1 Input (480i)]
▪ ad 00 10 [Adjust 480i Comp1]
▪ xb 00 60 [RGB Input (1024*768)]
▪ ad 00 10 [Adjust 1024*768 RGB]
▪ aa 00 90 End Adjust mode
* Required equipment : Adjustment remote control.
3.2 Function Check
3.2.1. Check display and sound
■ Check Input and Signal items.
(1) TV
(2) AV (SCART1/SCART2/ CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In
* Display and Sound check is executed by Remote control.
<Caution>
Not to push the "INSTOP" key after completion if the function
inspection.
- 10 -
CMD 1 CMD 2 Data 0
When transfer the 'Mode In',
A A 0 0
Carry the command.
Automatically adjustment
A D 1 0
(The use of a internal pattern)
LGE Internal Use Only