C. Flash abnormal
1. Can’t charged
01. Check the soldering between ST/B and M/B.
02. Check the soldering of U1, T1 and peripheral components. .
2. Still charge when switch to strobe mode
01. Check the function and soldering of U1, R5 and R4 of ST/B.
02. Check the soldering between ST/B and M/B
3. Can’t Flash
01. Check the soldering between ST/B and M/B.
02. Check the function and soldering of U1, TR1, Q1 and flash light.
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Flash light
SW1
Q1
U1
T1
TR1
C5