
- 10 - LGE Internal Use OnlyCopyright  ©    LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION1. Application Range
This specification sheet  is applied  to all  of the  LED TV  with 
LD31B/ LD36B chassis.
2. Designation
(1)  The adjustment is according to the order which is designated 
and which must  be followed,  according to  the plan 
which 
can be changed only on agreeing.
(2) Power adjustment : Free Voltage.
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard.
(5) Reserve after operation : Above 5 Minutes (Heat Run)
  Temperature : at 25 °C ± 5 °C
  Relative humidity : 65 ± 10 %
  Input voltage : 220 V, 60 Hz
(6)  Adjustment equipments: Color Analyzer(CA-210 or CA-110), 
DDC Adjustment Jig, Service remote control.
(7) Push the "IN STOP" key - For memory initialization.
3. Main PCB check process
▪ APC - After Manual-Insert, executing APC
* Boot file Download
(1)  Execute ISP program  "Mstar ISP Utility"  and then  click 
"Config" tab.
(2)  Set as below, and then click "Auto Detect" and check "OK" 
message.
If "Error" is displayed, check connection between computer, 
jig, and set.
(3)  Click "Read" tab,  and then  load download  file(XXXX.bin) 
by clicking "Read".
(4)  Click "Connect" tab. If "Can't" is displayed, check connection 
between computer, jig, and set.
(5) Click "Auto" tab and set as below.
(6) Click "Run".
(7) After downloading, check "OK" message.
* USB 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 in 5 
seconds.
(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.
(1) 
filexxx.bin
(4) 
(5)
(6)
(7)...........OK
filexxx.bin
(2) 
(3) 
Please Check the Speed :
To use speed between
from 200KHz to 400KHz
Case1 : Software version up
1.  After downloading S/W by USB , TV set will reboot 
automatically.
2. Push “In-stop” key.
3. Push “Power on” key.
4. Function inspection
5. After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1.  When TV set is entering on the assembly line, Push 
“In-stop” key at rst.
2. Push “Power on” key for turning it on.
→  If you push “Power on” key, TV set will recover 
channel information by itself.
3. After function inspection, Push “In-stop” key.