5-8 Trouble shooting Chart
AUX in does not work
AUX in does not
work
Go
No
Refer to Power Board CON501
Yes
Check AUX IN connector
No
Yes
Replace U18 74HC4052
Check Main Board power supply
circuit.
No
Yes
Check voltage at U18 PIN16 (6V), check
12V on Main Board whether normal or not
Check Main Board U18 Pin4, Pin11 signal
input whether right or not
Check U18 74HC4052 whether
broken
or not
Содержание HTB5540D/94
Страница 13: ...3 4 5 1x 2 3 ...
Страница 21: ...X AUDIO IN 2 1 1 3 5MM STEREO 3 USB 2 2 11 ...
Страница 22: ...X 1 LAN LAN 1 2 3 2 12 ...
Страница 46: ...7 8 7 8 Touch Board Print layout bottom side ...
Страница 47: ...7 9 7 9 Touch Board Print layout top side ...
Страница 48: ...7 10 7 10 Front Control Board Print layout bottom side ...
Страница 49: ...7 11 7 11 Front Control Board Print layout top side ...
Страница 50: ...7 12 7 12 Power Board Print layout ...
Страница 51: ...7 13 7 13 Amplifier Board Print layout bottom side ...
Страница 52: ...7 14 7 14 Amplifier Board Print layout top side ...
Страница 57: ...10 1 10 1 Exploded View for HTB5540D 12 94 93 ...
Страница 58: ...10 2 10 2 Exploded View for HTB5540D 51 98 ...