Read LG 50PA4900-ZL (CHASSIS:PD23A) Service Manual online
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*
USB DOWNLOAD(*.epk file 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 staring.
(5) Updating Completed, The Multi-vision will restart
automatically.
(6) If your Multi-vision is turned on, check your updated
version and Tool option. (explain the Tool option, next
stage)
* 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 of models has their
number.)
4) Completed selecting Tool option.
3.1. ADC Process
3.1.1. ADC
■ Enter Service Mode by pushing “ADJ” key,
Calibration”
* Caution : Using ‘power on’ button of the Adjustment R/C ,
power on Multi-vision.
* ADC Calibration Protocol (RS232)
- Adjust Sequence
▪aa 00 00 [Enter Adjust Mode]
▪xb 00 40 [Component1 Input (480i)]
▪ad 00 10 [Adjust 480i Comp1]
▪xb 00 60 [RGB Input (1024*768)]
▪ad 00 10 [Adjust 1024*768 RGB]
▪aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
3.2. Function Check
3.2.1. Check display and sound
■ Check Input and Signal items. (cf. work instructions)
1) COMPONENT (480i)
2) RGB (PC : 1024 x 768 @ 60hz)
3) HDMI
4) DVI
5) PC Audio In
* Display and Sound check is executed by Remote control-
ler.
* Caution : Not to push the INSTOP KEY after completion if
the function inspection.
50PA4900-Z*
Tool option 1
36992
Tool option 2
38168
Tool option 3
3697
Tool option 4
54726
Tool option 5
522
NO
Enter
Adjust MODE
ADC adjust
Item
Adjust ‘Mode In’
ADC Adjust
CMD 1
A
A
CMD 2
A
D
Data 0
0
0
1
0
When transfer the
‘Mode In’,
Carry the command.
Automatically adjustment
(The use of a internal
pattern)
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