5-10 Trouble shooting Chart
COAX in does not work
COAX in does
not work
Go
No
Check power supply circuit.
Yes
Check Main Board C360, L11
No
Replace U27 CS8416
Check Main Board U8
Yes
Yes
No
Check voltage at U27 PIN6/PIN23: 3.3V on
Main Board whether normal or not
Check Main Board U27 CS8416 PIN3 input
signal whether normal or not
Check U27 CS8416 whether broken
or not
Summary of Contents for HTB5540D/94
Page 13: ...3 4 5 1x 2 3 ...
Page 21: ...X AUDIO IN 2 1 1 3 5MM STEREO 3 USB 2 2 11 ...
Page 22: ...X 1 LAN LAN 1 2 3 2 12 ...
Page 46: ...7 8 7 8 Touch Board Print layout bottom side ...
Page 47: ...7 9 7 9 Touch Board Print layout top side ...
Page 48: ...7 10 7 10 Front Control Board Print layout bottom side ...
Page 49: ...7 11 7 11 Front Control Board Print layout top side ...
Page 50: ...7 12 7 12 Power Board Print layout ...
Page 51: ...7 13 7 13 Amplifier Board Print layout bottom side ...
Page 52: ...7 14 7 14 Amplifier Board Print layout top side ...
Page 57: ...10 1 10 1 Exploded View for HTB5540D 12 94 93 ...