Document: After-sales Maintenance Service Manual No.: L32R63*VKE/L40R63*VKE/L43R63*VKE/L49R63*VKE Version: 1.0 Effective from: APRIL 4th, 2016
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3. Protection or without light (refers to the disappearance of image
several seconds after the emergence of image)
The image disappeared immediately after the emergence; check the plug of high-voltage switch board
for striking sparks and poor contact
No problems identified, replace high-voltage
board; if the fault remains, check the contact
line of back light of LCD for any damage, and
replace LCD board.
NO
YES
If there is spark striking,
replace high-voltage board
4. White panel
White panel refers to the back light works without visible signal and just show white screen.
Check the voltage of socket for flat cable connecting the main board to screen for abnormality
Check the interface between main board
and connect line for any looseness,
shedding, if no abnormity existed,
replace LCD screen
YES
NO
Check the power supply chip of
control screen or replace main
board
L32R63_VKE,L40R63_VKE,L43R63_VKE,L49R63_VKE_CIS_Russia.indd 5
2016-04-05 오전 11:00:48
