55LH40, 55LH41, 55LH400С (CHASSIS:LA92B) - LG TV Service Manual (repair manual). Page 17

4. Updating is staring.

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 controller.
2. Select "Tool Option 1" and Push “OK” button.
3. Punch in the number. (Each model has their number.)
4. Completed selecting Tool option.

4.1 Board-level adjustment

• Adjust 480i Comp1 adj.(Comp1080i & RGB Adjust use internal

pattern).

• 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.

* After Board level adjustment, set volume setting value 0

4.2 Final assembly adjustment

•White Balance adjustment
•RS-232C functionality check
•Factory Option setting per destination
•Ship-out mode setting (In-Stop)

4.3 Etc.

•Ship-out mode
•Service Option Default
•USB Download(S/W Update, Option)

5.1.1 Overview

ADC  adjustment  is  needed  to  find  the  optimum  black  level
and  gain  in  Analog-to-Digital  device  and  to  compensate
RGB deviation.

5.1.2 Equipment & Condition

1) Jig (RS-232C protocol) 
2) Input : MSPG-925FS(Model  :  209  ,Pattern  :  65,  Only

component))

3) RGB Adjust use internal pattern.5.1.3 Adjustment

5.1.3 Adjustment

5.1.2.1 Method

• Using RS-232, adjust items listed in 3.1 in the order shown
in 5.1.2.3 Adj. protocol

Ref.) ADC adj. RS232C Protocol_Ver1.0

5.1.2.3 Adj. order

•ad 00 00 [Enter ADC adj. mode]
•ad 00 10 [Adjust 480i Comp1/1080i Comp1/1024*768 RGB]
•ad 00 90 End adj.

- 17-

C

2009

 

 

Model 

Tool option1  Tool option2

Tool option3 

Tool option4

47LH55-UA 

33281 

3400 

35748 

1024

55LH55-UA 

45569 

3400 

35748 

1024

55LH40-UA 

45313 

3400 

35748 

1024

Protocol 

Command 

Set ack

Enter adj.

ad 00 00 

d 00 OK00x

mode

Begin adj. 

ad 00 10

Return adj.

OKx (Success)

result

NGx (Fail)

Read adj. 

(main)

(main) 

data

ad 00 20

000000000000000000000000007c007b006dx

(sub )  

(Sub) 

ad 00 21 

000000070000000000000000007c00830077x

Confirm adj. 

ad 00 99

NG 03 00x (Fail)

NG 03 01x (Fail)

NG 03 02x (Fail)

OK 03 03x (Success)

End adj. 

ad 00 90 

d 00 OK90x