Citizen E760 - Troubleshooting and Adjustment Method; Watch Stops Troubleshooting; Time Error Correction; Functional Error Diagnosis

17
§13. TROUBLESHOOTING AND ADJUSTMENT METHOD
1
9
End
1
Measurement of secondary battery voltage
Measurement of secondary battery voltage
Error of time setting warning feature
Error of insufficient rechargeing warning feature
Confirmation of operation of crown (Pulling out to second click position)
Measurement of time
Confirmation of output signal
Measurement of coil resistance Check of train wheel
Check of solar cell side mechanism
Measurement of secondary battery voltage
Measurement of current consumption Measurement of time Inspection of outside and functions
Check of connection parts Confirmation of using condition
Replacement of secondary battery
Replacement of secondary battery
Replacement of unit of electronic circuit
Replacement of unit of electronic circuit
Replacement of unit of electronic circuit
Inspection of solar cell
Inspection of solar cell
Measurement of current consumption
Measurement of current consumption
Measurement of secondary battery
Means to charge by applying sufficient light.
2
3
4 5 6
Normal
Abnormal
Replacement of coil complete
7 8
10
Charging
Below 1.3V
Below 1.3V
Below 1.3V 1.3V or higher
1.3V or higher
1.3V or higher
Charging
1
7 8
Charging
1
8
9
11
Charging
Charging
Watch stops
Time error
Functional error
Confirm oscillation with time rate measuring instrument.
Oscillation is made.
Below 1.3V
signal is generated.
Replacement of unit of electronic circuit
Abnormal
Abnormal
(2-second hitch movement continues.)
(2-second interval movement continues.)
Abnormal
Abnormal
Abnormal
Normal
Normal
Normal
Normal
Normal
Abnormal
Normal
Hands do not move.
Signal is not generated.
Hands start moving.
Replacement of solar cell
Replacement of solar cell
Replacement of unit of electronic circuit
Replacement of secondary battery
1.3V or
higher
Oscillation is not made.