Read LG 26LU50FD-AC (CHASSIS:LB91A) Service Manual online
3.2. USB DOWNLOAD(*.epk file download)
1) Put the USB Stick to the USB socket
2) Automatically detecting update file in USB Stick
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
automatically detecting
3) Show the message “Copying files from memory”
4) Updating is staring.
5) Updating Completed, The TV will restart automatically.
6) If your TV is turned on, check your updated version and
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.
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.)
2) Select "Tool Option 1" and Push “OK” button.
3) Punch in the number. (Each model has their number.)
4) Completed selecting Tool option.
3.3. ADC Process
3.3.1. ADC
• Input signal : Component
• Signal equipment displays.
• Signal equipment displays.
- Component 480I
MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator( MSPG-925 Series)
PATTERN : 65 in Pattern Generator( MSPG-925 Series)
• Input Signal : RGB (You don’t need to connect RGB Cable)
Because We use TV internal pattern
G
” key at “5. ADC
Calibration”
* Caution
Using ‘power on’ key of the Adjustment R/C, power on TV.
3.3.2. ADC Calibration Protocol (RS232)
* Adjustment can be done using only external ADC
* Required equipment : Adjustment R/C.
* Required equipment : Adjustment R/C.
3.4. Function Check
3.4.1. Check display and sound
• Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI
6) PC Audio In
2) AV (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 controller.
- 11 -
i
TV Software Upgrade
Copying files from memory
Do not remove the memory card from the pc
Do not plug off!
i
TV Software Upgrade
Upgrading...
Do not plug off!
63%
i
TV Software Upgrade
Upgrading COMPLETED
The TV will restart after seconds.
100%
Tool Option
1
2
3
4
26LU50FD
9280
2600
416
4352
EZ ADJUT
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
ADC Calibration
ADC Comp 480i
ADC Comp 1080p
ADC RGB
NG
NG
NG
Reset
Start
NO
Item
CMD1 CMD2
Data0
Data1
1
Main total mode
A
A
0
0
0
0
2
Change to Component
X
B
0
0
4
0
3 Adjust
Component
A
D
0
0
1
0
4 Change to RGB
X
B
0
0
6
0
5 Adjust
RGB
A
D
0
0
1
0
<Adjustment pattern>
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