Suzuki S-1800H80/180, Technical Manual

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NO
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YES
-10-
Sonar Scanning stops intermittently.
Sonar Scanning stops.
DATA (-TX,-RX) NG appears on
the MENU 2 screen. Refer to "WAITING" stays more
than 2 minutes
TRAIN NG appears on the MENU 2
screen.
Does the Train Motor sound?
Check 12 Volt is present at
J8-No.2 in Main PCB for Hull
Unit.
Power Supply PCB in Hull
Unit portion
Check the waveform at J8-
No.3 output from Hall IC is
normal.
Soundome
Main PCB in Hull Unit portion
Check 15Volt is present at J2-
No.5 in Drive PCB for Hull Unit.
Check the waveforms of No.1,
No.2, No.3 and No.4 at J1 are
normal.
Check the waveforms of J1-
No.1, No.2, No.3 and No.4 are
normal.
Main PCB in Hull Unit portion
Power Supply PCB in Hull Unit
portion
Soundome
Motor Drive PCB