Antenna cable

Position of R135

length

 

 

 

10 to 40 m

Marked position (default position)

 

 

More than 40 m

Fully clockwise (max. output power)

 

 

4.Remove the CPU2 Board from the communication unit. See Figure 19 for location.

5.Replace the ROMs (I/O CPU and SYS CPU) on the CPU2 Board. See Figure 17 for location. Mount the CPU2 Board.

 

 

 

 

CPU2 BOARD 16P0133

 

 

 

 

 

U65

 

 

 

 

 

 

U5

 

SYS CPU

 

 

 

 

 

I/O CPU

 

 

U67

 

16501-05-110

 

 

DIP SW S1

 

 

16501-06-106

 

 

 

 

 

 

 

U37 U8

U55

JP2

BT1

U56

C75

Figure 17 CPU2 Board

22

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Image 32
Furuno IB-681 manual Antenna cable Position of R135 Length, CPU2 Board 16P0133