Icom IC-M506 Service Manual

9-3
X3
2NDIF
AMP
BPF
XTAL
BPF
CERAMIC
BPF
2ND LO
BUFF
FM
DET
BPF
XTAL
BPF
CERAMIC
FM
DET
2NDIF
AMP
2ND LO
BUFF
EEPROM
AMP
AMP
X2AMP
BRF
AMP
X2
JTBM450CX70
X4
JTBM450CX70
X3
CR-968
AIS8V
J1
1 2
3 4
5 6
Ext.Program
41.0583 MHz
123.175 MHz
SAW
450 kHz
RSSI
450 kHz
RSSI
38.850 MHz
38.800 MHz
MUX
GMSK
decode
NRZI
decode
HDLC
decode
Buffer
NMEA
FormterUART
GMSK
decode
NRZI
decode
Buffer
HDLC
decode
EEPROM
SPI
Port
38.400 MHz
Main
clock
PLL
19.200 MHz
AVDD
DVDD
RFVDD
REG
3.5V
REG
VDE
TRESET
FI1 LBT16201
Q1 3SK293
Q2 2SC4215
X1 CR-963
TCXO
X5 CR-869
TCXO
IC6 TC7S08IC7 TC7S86
FI2,3 FL-470
FI4 LTWC450
IC1 NJM2591V
FI7 LTWC450
IC2 NJM2591V
FI5,6 FL-473
IC3 EN25F10IC5 BU4331IC4 XC6202
IC8 CMX7032
38.350 MHz
Q3 2SC4081
RF in
V8SIAODSIA
J2
LEVEL
CONV
PHOTO
COUPLE
PHOTO
COUPLE
RESET
+5
REG
CI-V
I/F
12
34
5
J1
1
2
3
4
5
X1
CR-984
(IC-M506)
LOGIC UNIT
CONNECT UNIT
MAIN UNIT
MAIN UNIT
IC1:STM32F103RCT6
+3
CTRL
L3V
ENOLC3FCI
BUFF
CAN TX
BUFF
CAN RX
BUFF
5V
IC3:TC7WH14FKQ3:L2SA1576
Q4:L2SC4081
D1:L1SS400
NM2K DATA
Q1:KTA2015
Q2:LDTC144EE
IC2:NJU7704
IC6:
SN74AHCT1G04
IC3:
SN74LVC1G04
IC4:
PC410L0NIP0F
PC410L0NIP0F
IC5:
IC1:TA78M05F
IC2:HA13721FPKEL
D1:RR264M
• NMEA2000 UNIT (UX-232)
• AIS UNIT (UX-231)

Icom IC-M506 Specifications

General

Brand	Icom
Model	IC-M506
Category	Transceiver
Language	English