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Trouble Shooting Guide
Preparation:
1. The necessary tools such as screwdriver, tweezers, iron solder, power supply, discharger and so on.
2. To wear anti-static wristband to prevent from components short.
3. Discharge the capacitor of strobe board firstly to avoid short.
A. Cannot Power On :
1. Cosmetic check.
I.
Check any deformation / dirty / poor soldering of the spring of battery.
II.
Check the soldering of battery’s spring of M/B.
2. Check the connection of each PCB.
01.
Check the connection between M/B and ST/B.
02.
Check the connection between M/B and LCD
03.
Check the connection between M/B and LENS
3. Current = 0mA when power on.
01.
Check U12 voltage output, if it is abnormal, please analyze its circuit..
02.
Check the fuse is open or not. ( F1 & F2 )
4. Others
01.
Check the S1 of Strobe board if it is OK or not.
02.
Check the lens.
U3
J2
U8
U2
J3
J5
U1
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Summary of Contents for DC C850
Page 11: ...1 b Remove the back cover 1 c Remove the front cover ...
Page 14: ...2 c Disassemble Strobe flash board Remove mylar Unscrew the screws ...
Page 16: ...2 e Disassemble the Lens assembly and battery cover Unscrew the screws ...
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Page 27: ... FW version Fig 5 Fig 6 Fig 7 Fig 8 Fig 9 Fig 10 ...