Furuno FAR-2107 Series Service Manual page 12

3.4 Jumper to magnetron and MD board GND
Add jumper wire between the chassis of magnetron and the ground of MD board.
Use original screws to fix the jumper.
3.5 Soldering of magnetron heater cable to the pulse transformer
1. Disconnect the magnetron heater cable from the terminal board and pulse transformer.
2. Remove the terminal board.
3. Cut and shorten the heater cable and solder it to the pulse transformer.
Before modification
Fig. 3.4
After modification
Fig. 3.5
8
3. 30 kW TR Down modification