LG 43SM5KD Service Manual

B. Power error
No power
Power LED
On?
Y
N
DC Power on
by pressing Power Key
On Remote control
Y
N
Normal
operation?
Check Power
On ‘”High”
Check Power cord
was inserted properly
Check
Power LED
Replace
Power
B/D
Measure Main Power voltage of each output of Power B/D
(Voltage is different at each status – STBY : 8.8V, Power On : 13.2V
N
Y
Normal
voltage?
Replace Main B/D
Y
OK?
Replace Main B/D
N
Y
Normal?
Check ST-BY 3.5V at Main B/D
And Power output voltage
(Power output voltage to Main B/D
is 8.8V at ST-BY Status)
Replace Power B/D
N
Y
Normal
voltage?
Replace Power
B/D
Y
☞A10
☞A11
☞A4
Standard Repair Process
Established
date
Revised date
4/11
Error
symptom
Close
4
Monitor Signage
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Only training and service purposes.

LG 43SM5KD Specifications

General

Brand	LG
Model	43SM5KD
Category	Digital Signage
Language	English