5-7 Trouble shooting Chart
Tuner FM does not work
Tuner FM does not work
Go
Yes
Check Main Board tuner power supply
circuit.
No
Check Main Board tuner power supply
circuit.
No
Change the Tuner module
No
Yes
Yes
No
Yes
Replace Amplifer Board
Check
Main Board U6 power
supply circuit
Check v3.3V at Tuner
module (TUN1 pin5) whether right or
not
Check U6 pin5,pin14 input whether
normal or not
Check voltage at U183
PIN6&9:+3.3V on Main Board
whether normal or not
Check the U6 PIN3, PIN13 output on
Main Board whether normal or not
Summary of Contents for HTS2512/94
Page 12: ...AUDIO L R R L AUDIO IN L R AUDIO OUT VIDEO AUDIO L R VIDEO OUT VIDEO IN 2 4 ...
Page 16: ...2 1 2 8 ...
Page 43: ...7 11 7 11 Front Control Board Print layout Bottom Side ...
Page 44: ...7 12 7 12 Power Supply Print layout Bottom Side ...
Page 45: ...7 13 7 13 Main Board Print layout Top Side ...
Page 46: ...7 14 7 14 Main Board Print layout Bottom Side ...
Page 47: ...8 1 Exploded View for HTS2512 94 ...
Page 48: ...REVISION LIST Version 1 0 9 1 Initial release for HTS2512 94 ...
