Philips HTS3510 - Tuner FM Does Not Work

5-6 Trouble shooting Chart
Tuner FM does not work
Tuner FM does not work
Go
Check every supply
voltage on main board is
normal
Yes
Check Tuner module
pin5 supply voltage is
+5V
Refer to Power supply board part
No
Check main board tuner voltage supply
circuit.
No
Change the Tuner module
No
Check the main board
C227,C231,R416,R421,
No
Check Tuner module
pin7,pin8, L/R output
Yes
Yes
Yes
Check the main board
U18 AK5367 PIN6,PIN7
L/R si
g
nal in
p
ut
1. check the U18
AK5367
PIN30,VDD+5V,
Check the main board u23
(except 12/05 version)
No
Yes
Replace U18 AK5367
Check the main board U18
POWER SUPPLY CIRCUIT
1 check the U18
AK5367 Pin30, VDD+5V
No