LG 32LF550B Service Manual page 10

(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 updated version is newer than what TV has, the 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)
(4) Completed selecting Tool option.
*
RS-232C Connection Method.
Connection : PCBA (USB Port) → USB to Serial Adapter
(UC-232A) → RS-232C cable → PC(RS-232C port)
● Product name of USB to Serial Adapter is UC-232A.
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Only for training and service purposes
4. ADC Process
4.1. ADC
- Enter Service Mode by pushing "ADJ" key,
- Enter Internal ADC mode by pushing "►" key at "8. ADC
Calibration".
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option6
6. Country Group
7. Area Option
8. ADC Calibration
9. White Balance
10. 10 Point WB
11. Test Pattern
12. EDID D/L
13. Sub B/C
14. Ext. Input Adjust
15. SPK Lipsync Adjust
16. SPDIF Lipsync Adjust
<Caution> Using "P-ONLY" key of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
No. Item CMD 1 CMD 2 Data 0
Enter Adjust Adjust
MODE 'Mode In'
ADC
ADC adjust
Adjust
Adjust Sequence
▪ aa 00 00 [Enter Adjust Mode]
▪ xb 00 40 [Component1 Input (480i)]
▪ ad 00 10 [Adjust 480i Comp1]
▪ aa 00 90 End Adjust mode
* Required equipment : Adjustment remote control.
4.2. Function Check
4.2.1. Check display and sound
■ Check Input and Signal items.
(1) TV
(2) AV (CVBS)
(3) COMPONENT (480i)
(4) HDMI
* Display and Sound check is executed by Remote control.
<Caution> Not to push the "INSTOP" key after completion if
the function inspection.
- 10 -
ADC Calibration
ADC Comp 480i
NG
ADC Comp 1080p NG
OTP
ADC Type ◄ ►
Start Reset
►
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