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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, IC1 and flash light.
D. Other Defect:
01. No sound when press the key.
I. Make sure the setting is correct. ( enable )
II. Make sure the function of speaker and MB U1 with good soldering.
III. Make sure the peripheral components of MB U1 are in good condition.
02. Can’t record
I. Check the MIC function.
II. Check the MB U1 with good soldering.
03. Cannot read / write from SD card.
I. Check function of SD card.
II. Check the SD slot socket with good soldering.
Check the soldering of SD slot socket circuit.
IC1
U1
TR1
T1
Flash light
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