LG M2250D Service Manual page 46

Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom
16
17
B. Power error_No power
18
19
B. Power error_Off when on, off while
20
viewing
B. Power error_Off when on, off while
21
viewing
22
C. Audio error_No audio/Normal video
23
C. Audio error_Wrecked
24
audio/discontinuation
D. Function error_ No response in remote
25
controller, key error
Content
Check front display LED
Check power input Voltage & ST-BY 5V
Checking method when power is ON
POWER BOARD voltage measuring method
POWER OFF MODE checking method
POWER BOARD PIN voltage checking method
Checking method in menu when there is no audio
Voltage and speaker checking method when there
is no audio
Voltage and speaker checking method in case of
audio error
Remote controller operation checking method
Continued from previous page
Page Remarks
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A4
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A27
ⓒ LG Electronics. Inc.2011