32LS5700 (CHASSIS:LB22E) - LG TV Service Manual (repair manual). Page 10

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* 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)
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.
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)
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.
 
NO
Item
CMD 1 CMD 2 Data 0
Enter
Adjust MODE
Adjust 
‘Mode In’
A
A
0
0
When transfer the  ‘Mode In’, 
Carry the command.
ADC adjust
ADC Adjust
A
D
1
0
Automatically adjustment
(The use of a internal pattern)
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