![background image](http://html.mh-extra.com/html/haier/hl15white/hl15white_service-manual_136717033.webp)
Trouble shooting
1.Power Supply Trouble
Check F1 for 12V
Check F1 and CN10
Check E33(470
μ
F/25V)for 5v
Check F1 for shortcut
Check power output for LDO
OK
Turn on or not
Check the power
supply net follow F1
Turn on
the set
Change LDO
Or The load is
OK
Check Pin3 U13
For 350Khz
switch signal
U1/AP1501-50&
D17/IN5822
Check L9/47
μ
H
Higt Voltage
Low voltage
U1/MAP1501-50
4thPIn & U1
Check C111/0.01F
Y
N
Y
N
N Y
Y
N
Y
N
Y
N
N
Y
OK
Check Mcu
1,power supply
2,Reset
3,Crystal
N
Y
Содержание HL15WHITE
Страница 1: ...HL15WHITE ...
Страница 7: ...Images of Module and Circuit Boards 1 images of Main Board 2 images of Power Supply ...
Страница 43: ......
Страница 44: ...Sincere forever ...