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5-7 Trouble shooting Chart
Tuner FM does not work
Tuner FM does not work
Go
Yes
Refer to Power Board XP701
No
Check Main Board tuner power supply
circuit.
No
Change the Tuner module
No
Yes
Yes
No
Yes
Replace U8 and CD4053
Check
Main Board U18 power
supply circuit
Check v5V at Tuner
module (TU1 pin5) whether right or
not
Check Tuner module
pin6,pin7,pin8,I2S output whether
normal or not
Check voltage at XP1 PIN9:5V on
Main Board whether normal or not
Check the U8 CD4053 PIN16,
VDD +5V, on Main Board whether
normal or not
Содержание HTS5520
Страница 17: ...3 FM Cable 4 5 1 2 Audio Cable HDMI Cable 2 3 ...
Страница 18: ...6 AAA x 2 2 4 ...
Страница 20: ...3 1 2 3 3 1 4 2 2 6 ...
Страница 58: ...7 16 7 16 Front Control Board Print layout Bottom side ...
Страница 59: ...7 17 7 17 Karaoke and USB Board Print layout Bottom side Encoder Board Print layout Bottom side ...
Страница 60: ...Touch Panel Board Print layout Top and Bottom side 7 18 7 18 ...
Страница 61: ...Amplifier Board Print layout Top and Bottom side 7 19 7 19 ...
Страница 62: ...Power Board Print layout Bottom side 7 20 7 20 ...
Страница 63: ...Main Board Print layout Top side 7 21 7 21 ...