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Tuner FM does not work
Tuner FM does not work
Go
Check
voltage
PIN6&9:+3.3V
whether normal or not
Yes
Check voltage +3.3V
module (TUN1 pin5) whether right or
not
Yes
Check U6 pin5,pin14 input whether
normal or not
Yes
Check the U6 PIN3, PIN13 output on
Main Board whether normal or not
Yes
Replace Amplifer Board
at
U183
on
Main
Board
at Tuner
5-7
No
Check Main Board tuner power supply
circuit.
No
Check Main Board tuner power supply
circuit.
No
Change the Tuner module
Check
Main
No
supply circuit
Trouble shooting Chart
Board
U6
power
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