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5-5 Trouble shooting Chart
BT does not work
no
yes
no
yes
no
yes
no
yes
Check the DUT whether
open the BT function
Open BT function
Check voltage STB_3Y3
at U19 on FE Board
whether normal or not
Check the FFC connector from
Main PCB to FE PCB
Check the BT Module U19
output whether normal or
not
Change the BT Module
Check BT output after OP
U20 whether normal or not
Change the U20
Change the Main PCB
Power line of Audio PCB is short
yes
Содержание HTL4111B/12
Страница 43: ...USB MP3 board Print Layout bottom and top side 7 14 7 14 ...
Страница 44: ...Front Control and Key board Print Layout bottom side 7 15 7 15 ...
Страница 45: ...Front Control and Key board Print Layout Top side 7 16 7 16 ...
Страница 46: ...Power board Print Layout Bottom side 7 17 7 17 ...
Страница 47: ...Main board Print Layout Bottom side 7 18 7 18 ...
Страница 48: ...Main board Print Layout Top side 7 19 7 19 ...
Страница 49: ...8 1 8 1 Exploded View for HTL4111 ...