Icom ic-m506 Service Manual page 38

WXDEC
(ATISDEC)
NOISEV SQL
AMP
MRSSI IC514A:LMV324IPW
MIC-IN DSCDEC
LPF
IC514C:LMV324IPW
AF
HMICO
MUTE IC506B/C:
LMV324IPW
HMICINS
BPF
CH70DS
MDETS
IC503B:
TC74VHC4066AFK
AF
MUTE
AFINM RINTMO
REXTMO
PASTBY IC503C:
TC74VHC4066AFK
AF INCOM
MUTE
ICINTS
ICEXTS
IC504D:
TC74VHC4066AFK TC74VHC4066AFK
AF
MUTE
WXDEC
(ATISDEC) ICPAS
RXSPMO
DSCDEC
IC882A: IC882B:
TC74VHC4066AFK TC74VHC4066AFK
AF
MUTE
RVSOUTS
RVSPASS
MVSPASS
Voice Scrambler(UT-112)
FX214LG
CPU
SCRMOPT
X901
1/4
5V OSC
４MHｚ
MVSOUTS
IC504B:
TC74VHC4066AFK
AF
MUTE
IC801,802:
MC74HC4094A
EXPANDER
LPF
IC514D:LMV324IPW
IC505C: TC74VHC4066AFK
AF
MUTE
IC505D: TC74VHC4066AFK
De- AF
emphasys MUTE
IC503A:
TC74VHC4066AFK
FILO AF
MUTE
IC503D:
TC74VHC4066AFK
AF
MUTE
IC504C:
AF
MUTE
IC19:
R2A20178
TC74VHC4066AFK
IC882C:
AF AF
MUTE MUTE
MICSEN
Pre-
emphasys
IC882D:
TC74VHC4066AFK
NoizeCanceler
De- AF
emphasys MUTE
DETin
MICin
IC502 IC513A: IC513D:
TC74VHC4066AFK LMV324IPW LMV324IPW
AF MIC
LPF
MUTE AMP
LE25U40CMC x 2
IC506D: IC513B:
LMV324IPW LMV324IPW
MIC
Pre-
IDC
AMP emphasys
DSCENC
IC702B
EVOL
1B
M61545AFP
9-2
JTBM450CX70 FI204:LTWC450E1
X201
CERAMIC
BPF
IC201:NJM2591V
MAINDET FM 2ND IF
DET AMP
RSSI
NOISE
NOIZV NOISE 2ND LO
DET AMP BUFF
JTBM450CX70 FI304:LTWC450E1
X301
CERAMIC
BPF
IC301:AA32416A
CH70DET FM 2ND IF
DET AMP
NOISE 2ND LO
NOISE
DET AMP BUFF
RVSHIFT R8V
LOOP RXVCO
BUFF
FIL
SHIFT
Q32:2SK880Y
Q72:PMBFJ310
D51,52:1SV305
21.25MHz
X101:CR-766
3.3V IC101:GP214D
PLL
D21:1SV323
SQL Q3,Q4:2SC5065
LVRX D3:1SV305
RVSHIF Q31:2SK880Y D4:1SV311
LVTX
FCON LOOP
BUFF VCO
FIL
MODC
MOD
SHIFT
Q2:LDTC144EE
PCON PCON Q8:LDTA144EE
D1:RN142G D2:1SS390
IC906B
IC906C IC901
LC703200AW AF
AF NOISE MUTE
MUTE CANCELER IC906A
Rec_Play
TC74VHC4066AFK
(2CH)
TC74VHC4066AFK AF
X901 MUTE
IC505D
TC74VHC4066AFK
AF
CSTCE8M19G55
MUTE
IC904,905 IC902 IC903 IC505D TC74VHC4066AFK
EEPROM REG REG AF
MUTE
XC6221A332 XC6221A152 TC74VHC4066AFK
IC513C:
LMV324IPW
LPF
IC705:LMV321DCK
AF
AMP
IC707:LMV321IDCK IC701B:LA4628
Relay
AF AF AF
AMP MUTE AMP
IC703:TC7S66FU
R8V R8V
FI202:FL-472 DBM
FI203:FL-472 D202:
HSMS2829
IF XTAL IF
BPF ATT
AMP BPF AMP
Q205:KTC4080 30.15MHz Q202,Q203: FI201:
R3V PMBFJ310x2 HDF160F
29.700MHz
1st Lo frequency range
USA, AUS
X202
1/3
125.900-133.125 MHz
CR-967
UK, EUR, HOL, FRG, CHN
125.850-133.275 MHz
R8V R8V
Q302:
FI302:FL-450 3SK293
FI303:FL-451 FET FI301:HDF160F
IF XTAL
BPF
AMP BPF
Q305:KTC4080 21.7MHz
R3V
DSC 1st Lo frequency
134.825 MHz
Q71:KTC4075
Q70:KRC404
D53:RN142G
D7,D8:
Q21 IC1:
RN142G 2SC4226 RA33H1516M1-325
BUFF BUFF
TX/RX YGR PWR
Q74:2SC4226 Q76:2SC4226 SW AMP
AMP
BUFF
Q7:KTC4080
Q75:KTC4080 T5V T5V
BUFF BUFF
Q6:KTC4080
Q5:KTC4080
VCC 5V
Q11:KTA2015
BUFF
Q12:LDTC144EE
+5 T5 T5V
REG CTRL
5V IC512:
INV
RVSO KIA7805API
Q14:KTA2015
3V Q13,Q15:LDTC144EE
Q9:LDTC144EE R3V
+3 R3
REG CTRL
IC511:NJU7772F33
Q511:LDTC144EE
Q512:TPC6111
HV PWR VCC 8V
CTRL REG
IC102:NJM2835DL
REVERSE
CONNECT
PROTECT
D601:DSA3A1
IC506A: IC502C: VCC
LMV324IPW TC74VHC4066AFK
SAFO AF 3V
BUFF
MUTE EXTMIC
REG
Q501:2SB1143
Q502:KTC811U
AF
ATT
MUTE
IC502B:
TC74VHC4066AFK
RL1:AGQ200S12
Q702:LDTC114EE
D702:L1SS400
HL/ATT
D201:RN142G
(USA, AUS)
MAIN UNIT
R8V
RF Impedance
AMP Conversion
Q101:2SC3357
Option
AIS RFGND
AIS_RFin
RFGND
ANT
D16:BAT68
D14,D15:
JDP2S12CR
ANT
LPF
SW
Frequency range
USA, AUS
Tx: 156.025-162.000 MHz
Rx: 156.050-163.275 MHz
UK, EUR, HOL, FRG, CHN
Tx: 156.000-162.000 MHz
Rx: 156.000-163.425 MHz
DSC frequency
CH70: 156.525 MHz
LPF
D12,D13:
HV BAT68
RF OUT TDETV
DET
D11:DB2S31400
IC2:NJM2730F Q23:LDTC114EE
APC PWR HL/ATT
CTRL CTRL
T5
TX MUTE TXMSO
CTRL
Q22:LDTC114EE
R8 R8V
SW
Q16:KTA2015
Q17:LDTC144EE Option
Option AIS
8V AIS8V AIS8V
SW
AISVDM
Q391:KTA2015
Q392:LDTC144EE GND
HM-195
OPTIONAL
COMMANDMIC
PTTC
AFMIC
ICF3
PA SP (BTL AMP)
EXT SP(BTL AMP)
NMEAI+
NMEAI+_0183
NMEAI-
NMEAI-_0183
NMEAO+
NMEAO+_0183
NMEAO-_0183
NMEA2K NMEA2000
Conector