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Touch keys do not work
keys do not work
Go
Check voltage 3.3V and 12V on Touch
Board:
3.3V at R676
12V at R680
Yes
Check Front Control Board signals at XP9
Pin1 SCL_MCU, Pin2 SDA_MCU
Yes
Replace U604 on Touch Board
5-2
Fix the connection CON606 to CON607
No
on Front Board
No
Replace U8 on Main Board, or
replace Main Board
Trouble shooting Chart
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