Furuno FS-1570 - Boards in Transceiver Unit

2.4 Boards in Transceiver Unit
2-13
2.4 Boards in Transceiver Unit
PRESEL (05P0746)
TX/RX (05P0733)
REF OSC (05P0747)
18MHz ADJ.
R320: RX IF GAIN ADJ.
R214: H3E carrier ADJ.
R209: TX IF GAIN ADJ
6MHz DDS
3Lo(455 kHz)
VCO
(F+72.455 kHz)
R6: RX RF (Q3, 4) BIAS ADJ.
J1: RX IN J2: TX OUT
To PRESEL J2
J1: RX IN J2: RX OUT
Fig.2.4.1 TX/RX (05P0733) board, FS-1570/2570