
B. Power error
Off when on, off while viewing, power auto on/off
Established
date
Revised date
7/13
Error
symptom
Standard Repair Process
E
?
N
Ch k A/C
d
Check outlet
(If Power Off mode is
not displayed)
Ch k P
B/D
Y
Replace Main B/D
Normal
ත
A18
Error?
Y
Check A/C cord
Check for all 3- phase
power out
Check P
P
ower B/D
voltage
N
Replace Main B/D
voltage?
Replace Power B/D
ϡ
Caution
Check and fix exterior
of Power B/D Part
Fix A/C cord & Outlet
and check each 3
phase out
- 30 -
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 ...
Page 22: ...7528 6 227 1 8 22 2019 ...
Page 69: ......