Furuno FS-1570 - Page 41

2.4 Boards in Transceiver Unit
2-16
Fig.2.4.5 PA (05P0739) board, FS-2570
Fig.2.4.6. DRV (05P0738) board, FS-2570
R33: PA IC ADJ.
R26: VC ADJ.
R16: PA BIAS ADJ. (200 mA)
J2: PA IN
J3: PA OUT
L4: To adjust BAIS, cut L4 and connect
an ammeter.
R25: DRV PA
BIAS ADJ. (100mA)