40
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.
Summary of Contents for CH-270
Page 1: ...COLOR SEARCHLIGHT SONAR CH 270...
Page 13: ...10 58 59 6 6 DRV 06P0154 Hull Unit XDR Slip ring Figure 2 1 Signal Flow in Transmitter...
Page 14: ...11 Hull unit XDR Slip ring 6 6 59 58 Figure 2 2 Signal Flow in Receiver...
Page 19: ...16 Figure 2 5 TRANSCEIVER UNIT CPU J2 3 4 3 4 5 6 J10 5 6 7 8 CR16 U17 U34 191 R104 R105...
Page 23: ...20 DRV Board 06P0154...
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