Furuno FS-1503, Service Manual

Page: 9 / 136

2-2
1. Interconnections
PA/FIL
(05P0667)
COUP (05P0669)
DUMMY
·
DUMMY CONT (05P0670)
·
DUMMY (10
Ω
+ 250 pF)
CPU (05P0665)
(CPU/LCD/KEY)
TX/RX (05P0666)
CONT (05P0459)
REMOTE-A/B (05P0457/8)
SW.REG (05P0668)
(option)
RF CONT
FREQ/CH
SP
BK
REMOTE
TX
RX
PA IN
RX OUT
PA ON
TEMP
ALC
RF
BK ON
CLK, ST, DATA
12 V
ANT
13.6 V
13.0 V
13.6 V
30 A
12 V
TUNE, BUSY, THROU
DUMMY, 12 V
CHK EXC, DDS DATA/CLK, RX, MUTE,
TX KEY, TXD, RXD, TX KEYED
PTT, T/R, MUTE, SQ SIG, S, TONE, EXC ON,
PA ON, BK ON, RF, ST FIL, ST TX/RX, CLK,
DATA, PLL1 ENB, PLL3 ENB, DDS LOAD,
ST SYN, UNLOCK, TEMP, ALC REF, FAN
TD/RD, LINE IN/OUT,
TX KEY, RX MUTE
TX KEYED, RX
MUTE, BK+/-
MIC
(option)
AT-1503
FS-1503
ANT
GND
13.6 V
Figure 2-1 Interconnection Diagram