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Troubleshooting
8-6 Cigarette Lighter Adaptor
In the case of LED-on fault
Is battery pack connected ?
Is the value of V/F correct ?
Is the voltage at
pin-5 of U1 high ?
Check the interface
8-12
N
Y
N
Y
N
Y
plug and phone
Connect battery to a phone
Battery pack fault
Check F1, U1, U3, Q8, Q7
Samsung Electronics
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