Tuner Fm Does Not Work - Philips HTS3531/12 Service Manual

Tuner FM does not work

Tuner FM does not work
Go
Check voltage at Q6:+3.3V on Main
Board whether normal or not
Yes
Check voltage +3.3V
module (TUN1 pin5) whether right or
not
Yes
Check Tuner
pin7,pin8,pin9,I2S output
normal or not
Yes
Check the U1 PIN53, PIN54. I2C
output on Main Board whether
normal or not
Yes
Replace Main Board
5-7
No
at Tuner
No
module
No
whether
No
Refer to Power Board CN502
Check Main Board tuner power supply
circuit.
Change the Tuner module
Check Main Board
supply circuit
Trouble shooting Chart
U1 power