6.Version -1 of the CPU 2 Board, solder a harness of cable assy. (supplied) to the loca- tion shown in the illustration below. Connect other side of cable assy. to J10 on the RF CONV board.

U65

U67

JP2

BT1

CPU2 BOARD 16P0133

U5

DIP SW S1

 

GND

 

HSD ON

U37

U8

7

U55

U56

 

12

Part side

C75

CPU2 Board PH5P

RF CONV Board

 

J10

U567

U5512

4

1

1

2

Cable assy.

Figure 18 CPU 2 Board Version 1

7.For version -2 and after of the CPU2 Board, connect the cable assy. (supplied) between J7 on the CPU2 Board and J10 on the RF CONV Board.

POWER

DIMMER

LOCK

J7

 

 

INMARSAT-

 

 

 

MOBILE

B

 

 

 

 

 

EARTH

STATION

 

 

 

 

 

 

 

COMPASS

 

 

 

BEARING

 

AOR-

 

ELEVATION

 

S

LEVEL

 

AOR-WEST

 

 

POR

EAST

TEL

 

 

I

 

1

 

OR

 

TEL

 

 

 

2

 

READY

TEL

3

 

TX

 

TEL

4

 

FAIL

 

TEL

5

 

 

TEL

 

 

 

6

 

 

 

TELEX

 

 

 

DATA

 

CPU2 Board

 

Cable assy.

 

RF CONV Board

CPU2 Board

J10 (PH2P)

J7 (PH5P)

1 GND

1 P20 (HSD ON)

2 HSD ON

2 P21

R135

3 P23

4 GND

J10

5

Marked

 

point

 

RF CONV Board

Figure 19 Communication unit, cover removed, right side view

8. Replace the rear panel for the communication unit manufactured before 7/98.

23

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Image 33
Furuno IB-681 manual RF Conv Board CPU2 Board, R135, J10