5-4 Trouble shooting Chart
No audio output
No audio output
Go
No
Yes
Yes
Yes
Replace Amplifier Board
No
Replace U1 on Main Board,or
replace Main Board
Yes
Refer to CN502 on
Power Board
No
Check v34.5
V whether normal or not at XP702 on
Amplifier Board
Check the 24pin FFC connection XP11 on
Main Board and XP701 on Amplifier Board
whether right or not between Main Board
and Amplifier Board
Check the control signal whether right or
not at the U1 PIN59,PIN60,PIN63,on
Main Board and the signal at the XP11
PIN9 PIN10 PIN22
Check XP11 pin 14&16 3.3V on Main
Board whether normal or not
Summary of Contents for HTS3531/12
Page 21: ...HDMI IN 0 ANTENNA AC MAINS HDMI OUT 2 3 ...
Page 25: ...3 MUSIC iLINK 1 2 2 1 2 7 ...
Page 57: ...7 11 Front Control Board Print layout top side 7 11 ...
Page 58: ...Amplifier Board Print layout top side 7 12 7 12 ...
Page 59: ...Amplifier Board Print layout bottom side 7 13 7 13 ...
Page 60: ...7 14 Power Supply Print layout top side 7 14 ...
Page 61: ...Main Board Print layout top side 7 15 7 15 7 15 ...
Page 62: ...Main Board Print layout bottom side 7 16 7 16 ...