LG LCD TV - 42LA62** - 42LA62**-T* - LA62** - 3D - TROUBLESHOOTING - COLOR ERROR
42LA62** - 42LA62**-T*
Europe/Africa _ Asia/Oceania_ North/Latin America.
Standard Repair Process: You
should have the “Adjust remote control” to do any change to data
settings. With user remote control, it
is not possible to do it. You can buy an
adjust remote control from the authorized service center for LG. It is
advised not to adjust any data values; without knowing about what are
you going to do. Only proceed, if you’re confident about you
can do it successfully.
1. Video error _Vertical/Horizontal bar, residual image,
Light-spot [Check the connections]
2. Video error _Video error, video lag/stop [Check the Tuner]
3. Color error _ [Adjustment Test pattern - ADJ Key]
1. Video error _Vertical/Horizontal bar, residual image, Light-spot [Check the connections]
As the part connecting to the external input, check the
screen condition by signal.
2. Video error _Video error, video lag/stop [Check the Tuner]
Checking method:
1. Check the signal strength or check whether the screen is
normal when the external device is connected.
2. After measuring each voltage from power supply, finally
replace the MAIN BOARD.
3. Color error _ [Adjustment Test pattern - ADJ Key]
You can view 6 types of patterns using the ADJ Key
Checking item: 1) Defective pixel 2) Residual image 3)
MODULE error (ADD-BAR, SCAN BAR..) 4)Video error (Classification of MODULE or
Main-B/D)
CLICK ON THE PICTURES TO MAGNIFY