26LS3500, 26LS350S, 26LS350T, 26LS3510, 26LS3590, 26LS359S, 26LS359T, 26LS3700 (CHASSIS:LD21A) - LG TV Service Manual (repair manual). Page 10

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ADJUSTMENT INSTRUCTION
1. Application Range
This  specification  sheet  is  applied  to  all  of  the  LCD TV  with 
LD21A 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.
(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)
 
(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 first.
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.
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