Audio Error_No Audio/Normal Video; Voltage And Speaker Checking Method When There Is No Audio - LG 32LF550B Service Manual

Contents of Standard Repair Process Detail Technical Manual
No.
19
20
B. Power error_No power
21
22
B. Power error_Off when on, off while
23
viewing
24
C. Audio error_No audio/Normal video
25
C. Audio error_Wrecked
26
audio/discontinuation
D. Function error_ No response in remote
27
controller, key error
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Only for training and service purposes
Error symptom Content
Check front display LED
Check power input Voltage & ST-BY 3.5V
Checking method when power is ON
POWER BOARD voltage measuring method
POWER OFF MODE 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
A14
A15
A16
A16
A17
LGE Internal Use Only