Kongsberg Simrad RA83 Instruction Manual page 138

RA83/84/85/93/94/95 Series
Operation Manual
7. Operation Unit
Does the radar turn on?
Y
Press and hold the MODE
key and turn the radar on. Is
the radar started?
Y
Press the MENU key 5
times. Is the panel check
display shown?
Y
Any faulty control or key
switch detected?
93142105-02
Are the following connections
in Main Logic PCB correct?
N
1) J701 and Power Supply
PCB
2) J704 and Operation Unit
Is the
N
between the display
and
supply correct?
N
Y
Trouble Shooting And On Board Servicing
N
Y
connection
N
ship's main
Y
Chapter 8
Correct faulty connections.
Operation Unit is faulty.
Correct faulty connections.
Operation Unit or Main
Logic PCB is faulty.
The MENU key is faulty.
Detected control or
switch needs to be replaced.
8-11
key