
5-7 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 Tuner module
pin6,pin7,pin8,I2S output
Yes
Yes
Check the U8
CD4053 PIN16,
VDD+5V,
No
Yes
Replace U8 CD4053
Check the main board U18
POWER SUPPLY CIRCUIT
Summary of Contents for HTS5530/12
Page 8: ...1 8 ...
Page 14: ...2 2 ...
Page 15: ...2 3 ...
Page 16: ...AAA x 2 6 2 4 ...
Page 18: ...3 1 2 3 3 1 4 2 2 6 ...
Page 54: ...Front Control Board Print layout Top and Bottom side 7 16 7 16 ...
Page 56: ...Touch Panel Board Print layout Top and Bottom side 7 18 7 18 ...
Page 57: ...Amplifier Board Print layout Top and Bottom side 7 19 7 19 ...
Page 58: ...Power Board Print layout Top side 7 20 7 20 ...
Page 59: ...Power Board Print layout Bottom side 7 21 7 21 ...
Page 60: ...Main Board Print layout Top side 7 22 7 22 ...
Page 61: ...Main Board Print layout Bottom side 7 23 7 23 ...