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 signal input
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 V
No
Summary of Contents for HTS3520/98
Page 4: ...1 4 HTS3520 51 ...
Page 5: ...1 5 ...
Page 6: ...1 6 HTS3520 94 ...
Page 8: ...Product Specification 1 8 HTS3520 98 ...
Page 9: ...1 9 ...
Page 15: ...1 1 2 2 ...
Page 16: ...SUBWOOFER REAR LEFT REAR RIGHT FRONT RIGHT FRONT LEFT FRONT CENTER 2 3 FM Cable 2 3 ...
Page 17: ...5 1 6 4 AAA x 2 2 HDMI Cable Audio Cable 2 4 ...
Page 19: ...3 1 2 3 4 3 1 2 2 6 ...
Page 54: ...Front Board Print layout Top and Bottom side 7 12 7 12 ...
Page 55: ...Amplifier Board Print layout Top and Bottom side 7 13 7 13 ...
Page 56: ...Power Board Print layout Bottom side 7 14 7 14 ...
Page 57: ...Main Board Print layout Top side 7 15 7 15 ...
Page 58: ...Main Board Print layout Bottom side 7 16 7 16 ...