17
Board/Unit : MAIN board (02P6236)
Signal In/Out Measuring Points Measured by Rating/Remarks
Vcc Power Line J4, #3 and GND Multimeter +5±0.02V
+12 V Power Line J4, #11 and GND Multimeter +12.0±0.5V
+9 V Power Line J4, #13 and GND Multimeter +9.0±0.3V
-15 V Power Line J4, #15 and GND Multimeter -15.0± 0.5V
ASIG Output J4, #25 and GND Oscilloscope
Primary
Power
Power Line Q6 Collector and J4,
#6 (P.GND)
Multimeter About 9V
TX-H
TX-C
Output Across R14 Oscilloscope Connect XDR and put into
water.
Shift : 0m Range : 200m
50kHz : 400~600Vpp
200kHz : 400~600Vpp
5V
Oscillation
Line
Fish
Seabed
0.1mS
3.4 INSPECTION OF EACH BOARD
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