LG 52LG5000-ZA (CHASSIS:LD84D) Service Manual ▷ View online
C
2008
- 21 -
11. USB S/W Download (option)
11.1 Overview
The USB download is for the quick service response via
the S/W upgrade and for applying the S/W upgrade
necessary for the board adjustment
the S/W upgrade and for applying the S/W upgrade
necessary for the board adjustment
11.2 How to dowunload
1) After turning on the set, make sure that the display screen
is turned on.
2) When the USB Memory Stick with the upgrade file applied
is inserted into the USB jack on the main board, the
following screen (example) is displayed after several
seconds
following screen (example) is displayed after several
seconds
3) Check the current version at [Current TV Software Version
Information], check the S/W version to upgrade at [New
Found TV Software Version Information], and press the
Enter button of the TV remote controller.
Found TV Software Version Information], and press the
Enter button of the TV remote controller.
4) Downloading is proceeded as shown at the below screen,
and when it is ended, turning on/off is automatically done.
(When the automatic proceeding is not smoothly done,
manually perform the power On/Off).
manually perform the power On/Off).
5) When downloading is ended, remove the USB Memory
Stick from the USB jack.
6) Press the IN-START button of the remote controller to
check the upgraded S/W version.
TV Software Upgrade
[ Current TV Software Version Information ]
HOMEFS(RELEASE): 00.01.01
[ New Found TV Software Version Information ]
MODEL : 42PX3D-UE
FILE : homefs-42PX3D-UE-RELEASE-0x0102.pak
HOMEFS(RELEASE) : 00.01.02
Press ENTER to start downloading the new software.
Until the whole process if completed, please
- Do not remove the memory card from the slot.
- Do not plug off.
Press EXIT to cancel the upgrade.
HOMEFS(RELEASE): 00.01.01
[ New Found TV Software Version Information ]
MODEL : 42PX3D-UE
FILE : homefs-42PX3D-UE-RELEASE-0x0102.pak
HOMEFS(RELEASE) : 00.01.02
Press ENTER to start downloading the new software.
Until the whole process if completed, please
- Do not remove the memory card from the slot.
- Do not plug off.
Press EXIT to cancel the upgrade.
TV Software Upgrade
The software upgrade is now in progress.
Until the whole process if completed, please
- Do not remove the memory card from the slot.
- Do not plug off.
Reading the file°¶Done
Upgrading°¶Done
The TV will restart automatically in 0 seconds.
C
2008
- 22 -
TROUBLESHOOTING
TV/CATV doesn t display
Check TU500 Pin15(Video output),
Pin16(Sound output)
Can you see the normal signal?
Check the output of TR(Q503).
Can you see the normal waveform?
Check the output of Main IC(IC100).
Especially you should check
The H,V sync and clock.
Can you see the normal waveform?
YES
YES
NO
Could you measure voltage of
TU800 & IIC lines?
Are they all normal?
YES
NO
You should check power line
& IIC lines.
YES
You should replace TUNER.
NO
You should decide to replace TR(Q503)
or not.
NO
After checking the Power of Main
IC(IC100) you should decide to replace
Main IC or not.
This board has big problem because
Main IC(IC100) have some troubles.
After checking thoroughly all path once
again, You should decide to replace
Main Board or not.
C
2008
- 23 -
DTV doesn t display
Check the output data of TU800
Pin 24~34
Can you see the normal signal?
NO
Could you measure voltage of
TU800 & IIC lines?
Are they all normal?
NO
You should check power line
& IIC lines.
YES
You should replace TUNER.
YES
Check the output of Main IC(IC100).
Especially you should check
The H,V sync and clock.
Can you see the normal waveform?
YES
NO
After checking the Power of Main
IC(IC100) you should decide to replace
Main IC or not.
This board has big problem because
Main IC(IC100) have some troubles.
After checking thoroughly all path once
again, You should decide to replace
Main Board or not.
C
2008
- 24 -
AV1/2/3 doesn t display
Check J600,J600,JK607,JK618
Can you see the normal
waveform?
Check the input of Video
switch(IC700).
Can you see the normal waveform?
YES
NO
J600,J601 or SIDE AV may have
problem. Replace this Jack or SIDE
AV.
NO
After checking the Power of AV switch
you should decide to replace AV switch
or not.
Check the output of Main IC(IC100).
Especially you should check
The H,V sync and clock.
Can you see the normal waveform?
YES
NO
After checking the Power of Main
IC(IC100) you should decide to replace
Main IC or not.
This board has big problem because
Main IC(IC100) have some troubles.
After checking thoroughly all path once
again, You should decide to replace
Main Board or not.
YES
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