26LH200C, 26LH210C (CHASSIS:LP91Z) - LG TV Service Manual (repair manual). Page 19

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11. Not operate Front clock
- Direct user setting
- Setting that use TTX information
- 19 -
Check the  Clock Display
item on SVC Menu
Is the clock
cable normal?
Check  I2C line & output
of IC904
Check the LED clock
Re-solder or replace the defect part.
Replace the LED clock
Check the clock cable
Replace the  Clock display  item 
from No to Yes .
Change the Clock ass y
Check the  Time  item
on user Menu
Check the current time establishment
 on  Time  item of user menu.
Check the  Clock Display
item on SVC Menu
. Change  the  Clock display  item 
from No to Yes .
. Change the  PR. for TTX Clock  item
 from  NO  to  YES
YES
NO
Is the clock
cable normal?
Check  I2C line & output
of IC904
Check the LED clock
Re-solder or replace the defect part.
Replace the LED clock
Check the clock cable
Change the Clock ass y.
YES
YES
YES
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