Established
date
Electronics 6-3
Standard Repair Process
Revised date
2008. 2 . 1
LCD TV
B. Power error
No power
6/13
Red lamp
display
Y
N
Check Power
On Key
operation
Y
N
Normal
operation?
Check Power
On ‘”H”
Check AC cord
connection and
voltage
Check ST-BY
(Lamp)
Replace
Power B/D
Measure voltage of each output of Power B/D
N
Y
Normal
voltage?
Replace Main B/D
N
Y
OK?
Replace Main B/D
N
Y
Normal
voltage?
Check ST-BY 3.5V
Check and fix outlet and power cord connected condition
Replace Power B/D
N
Y
Normal
voltage?
Replace Power
B/D
Y
☞
158
☞
159
☞
160
☞
160
☞
161
※
For Pacific 2, operation display LED can be off even with ST-BY output of 3.5V
→
In this case, replace the Digital B/D instead of the Power Board
Error
symptom
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Only for training and service purposes
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Summary of Contents for 47LV370S-ZB
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