Installation Check List - Furuno 821 Operator's Manual

Remove JP3.
CR14
R90
R93
R91
R94
Q15
R95
R91
Q16
R92
5. Add jumper wire between J55 pin
#3(RXD-H) and J61 pin #1(TXD-H).
6. Add a jumper wire between J55 pin
#4(RXD-C) and J61 pin #5(SHIELD).
Add the jumper wire between J61#5 and J55#4.
JP3 JP4
CR14
R90
R93
R91
R94
Q15
R95
R91
Q16
R92
Add the jumper wire between J61#1 and J55#3.
7. Connect the NMEA cable to the con-
nector assy (03-1796/5P, supplied with
radar) as shown in the figure below.
8. Connect the 5P connector to J51 on SPU
Board.
40
SPU-9180
Parts side
JP3 JP4
Remove R91 and R92.
J55
R69
C27
3
4
R70
9. Replace the covers removed in step 1.
10.Connect navaid and other equipment to
radar.
11.Turn on the radar and confirm that NAV
data in properly received at the radar and
external equipment.

5.3 Installation Check List

After completing the installation it is a good
idea to check for proper installation. Follow
the checklist below and tick boxes to show
proper completion.
Is the vent tube on the antenna housing
on the stern side?
Are the four bolts for fixing the radome
tightened?
Is the signal cable waterproofed at the
radome base?
Is the signal cable secured against a mast
or bulkhead?
Is the cable gland or cable entry on the
deck fully waterproofed?
Are the connections to the battery of
correct polarity?
Are all the antenna and display units
grounded?
Solder
NMEA cable
NMEA cable
Echosounder
Other Equipment
(Telesounder data not be mixed.)