Read LG 26LG300C (CHASSIS:LD85A) Service Manual online
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Check the RJP & Replace the RJP.
Replace the “RJP” item from
No to Yes.
No to Yes.
No
Check the supply Power.
No
Check the I2C line of IC103.
No
Yes
Check the “RJP” item
on SVC Menu.
Yes
Is the supply
12V power of RJP good.
(JK1300_Pin1)
No
Is the I2C
communication good.
(IC103)
15. Don’t operate RJP
Check the Buzzer(BU1300) &
Replace the Buzzer.
Replace the Buzzer.
Check the current time establishment
on “Time” item of user menu.
on “Time” item of user menu.
No
Set to the alarm time.
No
Re-solder or replace the defect part.
No
Yes
Check the “Time” item
on user Menu.
Yes
Push to alarm key
in user remote control.
No
Check input &
output of IC1300
16. Don’t operate Buzzer
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