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Trouble shooting Guide
1.Power Supply Trouble
N
Check F1 and CN10
Check F1 for shortcut
N
Y
Check the power
OK
supply net follow F1
N
Check Mcu
1,power supply
2,Reset
3,Crystal
All manuals and user guides at all-guides.com
Check F1 for 12V
Turn on or not
N
Turn on
the set
N
Y
OK
U13/MP1410ES &
D17/IN5822
U13/MP1410ES
5thPIn & U13
Y
Check E33(470μF/25V)for 5v
N
Check power output for LDO
Y
Check Pin3 U13
For 350Khz
Or The load is
switch signal
Check L9/47μH
N
Higt Voltage
Y
Y
N
Change LDO
OK
Y
Y
Low voltage
Check C111/0.01F
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