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E. Noise
Circuit noise, mechanical noise
Established
date
Revised date
12/13
Error
symptom
Standard Repair Process
Check
location of
noise
Identify
nose
type
Circuit
noise
Replace 3in1 board
Mechanical
noise
Check location of
noise
ϡ
When the nose is severe, replace the module
(For models with fix information, upgrade the
S/W or provide the description)
OR
ϡ
Mechanical noise is a natural
phenomenon, and apply the 1st level
description. When the customer does not
agree apply the process by stage
ϡ
If there is a “Tak Tak” noise from the
cabinet, refer to the KMS fix information and
then proceed as shown in the solution manual
(For models without any fix information,
provide the description)
agree, apply the process by stage.
ϡ
Describe the basis of the description
in “Part related to nose
ˉ
in the Owner’s
Manual.
- 35 -
2019
Summary of Contents for 28LM4 0B-PU Series
Page 11: ... 2 5 0 11 2019 ...
Page 13: ... 13 6 66 0 8 2019 ...
Page 14: ... 14 2019 5HPRYH WKH EDFN FRYHU ...
Page 15: ... 15 2019 5HPRYH WKH SRZHU FRUG KRUQ FRQQHFWLRQ DQG UHPRYH ERWK VLGH UDLOV RI WKH PDLQ ERDUG ...
Page 17: ... 7 2019 5 Remove the tape and unplug the LVDS ...
Page 18: ... 18 2019 6 Remove the tape that holds the speaker line and remove the horn ...
Page 19: ... 19 2019 7 Remove the wall bracket ...
Page 20: ... 20 2019 8 Remove the tape thaW holds the IR plate line and remove the IR plate ...
Page 21: ... 21 2019 9 Place the removed mirror flat on the guard mat ...
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