Furuno FAR-2107 Series Service Manual page 519

5. RFC board
Function of board is same as RFC board (03P9346A) for FRA-2xx7 series.
RFC (03P9444)
HD U30
U14
BP GEN
(03P9347)
BP
U30
U14
RF RX data
SPU
RF TX data U15
U6
CLOCK
RPU-013
JP3 -J P5 not mount
3.3V
U26
(EEPROM)
3.3V
U20
(TEMP. DET)
CR9 (CPU RUN)
HD
BP
U15
RF RX
RF TX
U17
(FPGA)
96MHz
XC2100E-6TQ144I
BVER 0-3
Vcc INT
U25
U23
PM Trig
2P5(2.5V)
U4/U5
Rer. VOL
U23
PM Enable
U24
PM LEVL
TEMP OUT
U19
(RFC CPU)
M30620FCNFP
Fig. 9.4.4 RFC board
PIN ATT CONT
PIN ATT CONT
FET ATT
U10 FET ATT
TUNE GATE
TUNE GATE
SAMPL HOLD
SAMPL HOLD
MSB ENABLE
MSB ENABLE
TEST SIG ENABL
TEST SIG ENABL
3.3V
STC-CONT
U16
Data D0-7
(D/A)
STC DETECT
3.3V
U7
U5
Data D0-7
(A/D)
U5
U21
U9/11, Q1/2
M3 - L
MAG DETECT S - M2
Data D0-7
ADD. AD1-19
U28 U27
(Flash ROM) (RAM)
CS/WR/RD
U30
U29
Reset
(Reset)
TUNE SYNC
TUNING BIAS
U18
TUNE SCLK
(D/A) 2.5V
TUNE DIN
MAG CUR LVL
U24
SHORT U3/21
2.5V
U24, 1
TUNE SYNC
TUNE
U13
TUNE SCLK
(D/A)
TUNE DIN
SDATA/CLK/DATAE
U11
VBW A/B
TUNE GAIN
TUNE AD
TUNE IND
D MONI AD
HEATER AD
HEATER VLT
U3
HEATER OFF
P12V AD
P5V AD
P32V AD
N12V AD
N12V AD
9-15
9.4 Block Description
IF
TEST SIG
(03P9335)
M1
50kW
M2
PFN1
L
(03P9431)
TX TRIG
60kW
TA HV MONI
BUF
(03P9446)
MAG-CUR-IN
U8
HEATER
IF
(03P9335)
TUNE IND
D MONI
HEATER
HEATER VLT
HEATER OFF
P12V
P5V
PWR(RF)
P32V
(03P9348E)
N12V
N12V