Philips M32 107E4 GS 3 Service Manual page 104

M32 107E4 GS_3
100
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General Troubleshooting Guide
A buzzing sound
when powering on
This sound is caused when the auto degaussing circuit is active.
This buzzing sound is normal when the monitor is first turned on.
This sound may be louder during the winter months and during
initial power on.
17
OK
NO
YES
It is need to check and
END
repair the monitor.