45
9.3. Main board failure check
State: No Sound
Fail
Pass
Fail
Pass
Fail
Pass
Fail
Pass
Fail
Pass
No Sound
(All Mode)
Check the input
Source
Change Source input
Check the input/output
Of IC U13 of Main B/D
Re-soldering or change
IC U13
Check the input/output
Of IC U55 of Main B/D
Re-soldering or change
IC U55
Check the input/output
Of IC U2 of Main B/D
Re-soldering or change
IC U2
Check the Speaker
Change the Speaker
Check the Sperker
wire
Содержание HL22FEP1
Страница 13: ...13 ...
Страница 43: ...5 8 6 Backlight Backlight adjust the backlight 8 7 Function ...
Страница 45: ...7 Remark The date of the chart only is a example please don t adjust the factory mode base on it ...
Страница 53: ...48 Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...