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B. Display abnormal
1. LCD display abnormal
01.
Check the connection between J2 of M/B and LCD-FPC.
02.
Check the function for LCD and U1
03.
Check the U12 output is normal or not.
2. Button abnormal
01.
Check the peripheral components of U1
3. Image abnormal
01.
Ensure the U12 output 3V1AGC .VCC13VCCD,VCCN7VCCD is within this range .
02.
Check the peripheral components and U1.
03.
Check the peripheral components and CCD board
4. TV display abnormal
01.
Check the function J6 of M/B
02.
Check the connection between U1 and other components.
5. Power LED is on, but LENS still doesn’t work.
01.
Check the connection between J3 of M/B and LENS FPC.
02.
Check the LENS is OK or not.
03.
Ensure the output voltage of U12 is VCC5V and LENS voltage
04.
Check the peripheral components of U12 in the mainboard.
J6
U12
J1
U11
U14
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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 ...