Furuno CH-270, Руководство по обслуживанию

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6. TROUBLESHOOTING
6.1 Flow Chart
1) Train/Tilt Check
START
Conduct self-check.
Conduct results of train/
tilt motor is OK?
Measure the supply voltage between J1 #1(+)
and #2(-) on PWR board 06P0147.
10.8V to 15.6V for 12VDC set and
21.6V to 31.2V for 24VDC set?
No
Yes
END
No
No
Check ship’s supply.
No
Problem is cleared with
new fuse?
Yes
Yes
END
Check switch S1.
No
Yes
Yes
0V?
OK?
Measure the voltage at collector of Q5 on PWR
board 06P0147.
Check fuse F2.
+8V for 12VDC set and +20V
for 24VDC set?
Note:
Measure the voltage with the train
and tilt motors stopped.
Yes
No
Q5/U1 on 06P0147 is
faulty.