Read LG 42LD320H (CHASSIS:LD91X) Service Manual online
Making
전자 - 6-2
Revision
LCD TV
Symptom
Buzzer Problem
Check the IC 1405 & BU1400
Check the “Time” item
on user Menu
YES
NO
Replace it
Check the “Time” item
on user Menu
YES
NO
Check the current time establishment
on “Time” item of user menu
NO
Set to “Alarm Time”
2010. 07 .27
22~42LD320H
Click on the first or last page to see other 42LD320H (CHASSIS:LD91X) service manuals if exist.