5 block diagram, Fig. 4-1 ra y48 bloc k dia gram – Raymarine Ray48 User Manual
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PO
WER
MODULE
DRIVE
ANT
SW
AF
AMP
PWR
DET
DC
CONT
B
UFF
AMP
BAND
SW
VCO
DC
FIL
SW
SW
SW
SW
PLL
FIL
SW
RESET
IC201 M34520 M6
+5V
REG
E
2
PR
OM
KEY
BO
ARD
LCD
DISPLA
Y
PRE
⋅ENPH
& LIMITER
LPE
SW
SW
ISOLA
TER
SW
SW
SW
PRE
DRIVE
B
UFF
AMP
T
ONE
DET
MUTE
1
SP AMP
LPF
RF AMP
1st MIX
1st IF AMP
2nd MIX IF AMP
SW
D1 MI402
D4 MI308
D12 1SS226 BPF
BPF
BPF
Q17 2SC4226
Q19 2SK506
Q20 2SC3123
21.6MHz
21.145MHz
IC4 T
A31136F
-SdB/dct
Q12
2SC4116
1P
ole
Xtal FIL
BPF
445KHz
"SQ"
TX ON1
IC1 S-A
V6
Q1 2SC3357
Q2 2SC4226
13.6V
13.6V
Y
Z
13.6V
13.6V
DC13.6V
Y
Z
Q23 DTC114EK
25W
ADJ
1W
ADT
Q2 1SS345
Q7 2SB1135
Q10 2SC4116
Q24 2SC4116
Q11 DTC114EK
TXON2
IC2 2902M
"DEV"
MIC/PTT
UP/ON
UP/ON
Q201 2SA1292
PWR LO
PTT DET
IC202 93LC46X
XT
AL201
1.2MHE
D
ATA
CK
CE
DEEP T
ONE
B
UST
Q202
DTC114EKT
T
ONE DET
UN LOCK
MUTE1
MUTE2
TX ON
SV
IC203
RHSV
A45AA1
XT
AL202
32.768KHE
+SV
Q5
2SC4116
Q3 2SC4226
Q6 DTC114KE
Q4
2SK508
TX-B
PO
V
MOD
D6
ISV214
D7
KV1832C
D8 ISS226
UN LOCK
IC3
LC7153M
Q7
2SA211A
Q2 DTC114EK
RX-B
TX-B
Q15 DTC114EK
12.8MHz
D10 D
AN202K
Q3 D
AN202K
Q12 2SA1298
TX ON2
TX ON1
SV
SV
Q14 DT
A124EK
TX-B
SV
D7 D
AN202K
RX-B
SV
Q13 2SA1298
D11
FMBG24
TC6 BA1604F
Q22 2SC4116
"V
OL"
ICS LA4425
INT SP
EXT SP
DEEP T
ONE
Q21
DTC343
Fig.
4-1 Ra
y48 Bloc
k Dia
gram
4.5 BLOCK DIAGRAM