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Cautionary Items for Service
Cautionary Items for Service
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LGE Internal Use Only
Copyright © 2018 - 2020 LG Electronics Inc. All rights reserved.
Only training and service purposes.
Cautionary Items for Service
!
CAUTION
If you violate the sign, it can cause slight injury or product damages.
!
WARNING
If you violate the sign, it can cause severe injury or even death.
NOTE
It represents an item or information that can be helpful in proceeding with the service.
Before disassembling the product, you have to remove the power supply first and pay attention
when the product has to use the power supply for tasks.
Important Notices
Check malfunctions after familiarizing yourself with the following.
No.
Notices
Only a skilled person authorized by LG Electronics can repair the PCs.
Before replacing any parts, you must fully familiarize yourself with the part repair procedures shown in "Part
(FRU) disassembly and replacement".
If you should replace a part, you must use a new screw that is coated with nylon.
Pay special attention when you copy, save or format it. The drive for the PC being repaired might have changes
in the drive name or the sequence of driving booting.
If you select the wrong drive, it can delete the data or program.
When replacing a part, make sure to use the correct one for the model.
When replacing a part, you have to check whether the system mode and FRU's part number is the same as the
part number in the part (FRU) list.
After it malfunctions once, if you cannot reproduce it, you should not replace the part.
Due to the radiation in nature, discharging effects, or software errors which are not deemed to be a hardware
issue, it can malfunction only once.
You are supposed to replace parts if the same problem keeps taking place.
Do not replace any part until the same malfunction occurs again.
Pay special attention to avoid replacement of parts with no defects.
Things to do before the service
•
Service personnel should prepare a "service record chart" before performing repair service.
•
Before checking the product problem, refer to the below chart and check if the damage falls under the category of free
service.
•
Even during the free repair period, if it is stored and operated in the environment of device misuse, accident, modification
or inadequacy, or if the problem is caused by repair works performed by non authorized persons, the user will be charged
the costs for repairs and parts.
•
The table below shows the list of damages caused by device misuse which does not fall under the category of free service.
Items
Inspection Details
Paid service shown in the product user manual
LCD panel that is broken by falling accident or excessive force applied to it
Summary of Contents for 15Z990 Series
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