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5-4 Trouble shooting Chart
No audio output
Check whether the +34V
power is right at the
XP703 on am board
No audio output
Go
No
Check the 22pin FFC
connection and XS702 is
fixing OK between the main
board and am board
Yes
1. Check whether the control
signal is right from the
U24’16,17,31,and the signal at
the XP11’10,11,15pin
2. Check whether the audio signal
is right from the
U11’211,213,214,223,225,226,
Yes
Yes
Replace the am board
No
Replace U22 on main board,or
replace main board
Check the
connector XP1 pin
7 on main board is
3.3V
Yes
Refer to Power
supply board part
No
Содержание HTS5530/12
Страница 8: ...1 8 ...
Страница 14: ...2 2 ...
Страница 15: ...2 3 ...
Страница 16: ...AAA x 2 6 2 4 ...
Страница 18: ...3 1 2 3 3 1 4 2 2 6 ...
Страница 54: ...Front Control Board Print layout Top and Bottom side 7 16 7 16 ...
Страница 56: ...Touch Panel Board Print layout Top and Bottom side 7 18 7 18 ...
Страница 57: ...Amplifier Board Print layout Top and Bottom side 7 19 7 19 ...
Страница 58: ...Power Board Print layout Top side 7 20 7 20 ...
Страница 59: ...Power Board Print layout Bottom side 7 21 7 21 ...
Страница 60: ...Main Board Print layout Top side 7 22 7 22 ...
Страница 61: ...Main Board Print layout Bottom side 7 23 7 23 ...