Icom IC-80AD Service Manual page 44

• BLOCK (2/2)
Q802:2SK880
LV LV DET VCOLV
MAIN UNIT
Q801:UNR911N
Q803:XP4601 Q800:XP1115
BCVCO3
+5V VCO3V VCO3V VCO3V VVCO3
REG SW UVCO3
BCVCOC
VVCOC
UVCOC
Q803:UNR9211
Q804:2SB1132
Q805:XP1501
+3V
T5 T5
TXC REG
Q104:XP6501 Q153:UNR9115 D151:MA2S111 FI200:LTM450HW D 150:MA2S111
CERAMIC
AGC W/N MODE M ODE
DET SEL SW BPF SW
W/N
Q103:XP6501
Q104:XP6501 D 104:MA2S728 FI100:LTM450EW
CERAMIC
AM IF
DET AM P BPF
D103: D102:
M A2S111 M A2S111
R3V D106: D105:
Q105 M A2S111 M A2S111
I C500A:CD4066 UNR9115
MODE MODE
AM
AM SW SW
MODE
SEL
SW
W/N
AM W-FM
IC500D:CD4066 IC100:TA31136
FM
FM
a
MODE
DET
SW
FMAF Q 159 X100
U NR9213 JTBM450
IC500C:CD4066
SQL DISCRI
WFM
SW
b MODE
SW
SQLSW Q101:UNR9213
W-FM Q102:XP1114
Q152:UNR9213
c
MODE
SW
RSSI
d
e NOISE
W/N
W-FM
f VMOD
RMOD
g
h REFC
Reference frequency oscillator
IC800:LM2904
Q800:2SA1832
Q801:UNR9213
D800:MAZ8030
VCC
IDET
VCC- I
TXC
i
UNLK
j TTEMP
k TX-V
VIN
l
BATT
m
HV
n
o CHG
VCC
p
VCO UNIT
Q1:2SC5195 D5:1SV325
Q 2:UNR9211 D6:1SV325
D1:1SV325
D2:1SV308
D3:1SV325
D4:MA2S111 Q200:2SC5006
VCO BUFF
Q201:2SC5006
Q 51:2SC5195 D54:1SV325 LO
Q 52:UNR9211 D55:1SV286 AM P
D 51:HVC376 B
D 52:MA2S077
D 53:MA2S111
VSHIFT
VCO
Q202:2SC5006
LPF
BUFF
Q101:2SC5006 D103:MA2S111
X2
D104:HVC375B
Q102:UNR9211
D100:1SV286
D101:HVC375B
Q850:2SC5006
D102:MA2S077
D851:MA2S111
VCO
IC800:MB15E03
D 800:MA2S111
IC900
LOOP PLL UPC2757
FIL IC
PLLSTB DATA
PPS CK
FI50
Q100:2SC4215
FL-429
D 100:MA2S728 D2:DAN235
D3:DAN235
D 4:MA742 XTAL
IF M ODE BPF M ODE
AM P SW SW
FM:61.65MH z
FI2
FM SFECV13.35M A FM
W-FM W-FM
CERAMIC
BPF
D450:DAN235E Q452:2SC4617
WFM:15.3MHz WFM:13.35MHz
X1
M ODE
or
SW FM:61.2MHz
X4
Q2:2SC4215
IF
BPF
AM P
FM
W-FM
BUFF
Q451:2SC4215
Q1:2SC4215
Q450:2SC4215 Q200:UNR9213
D10:HSB88A
X3 Q201:XP1114
FM
WFM
SW
FM
+3V
W-FM
WFM
Q154:UNR911H
RMOD
15.3MHz
R3V
SEL
+3V
X450
REFC
CR-875
R3C
IC1000:TC7W53
VDET
VI N
BATT
T5
D850:1SV308 D101:JDP2S04E
D100:1SV308 IC100:UPC2709 D102:JDP2S04E
TX/RX LOOUT
AM P ATT
SW
IC152:BH2220FVM
D ATA,CK PSET,ISET1
D/A
D ASTB2 ISET2
APC
PSET
CTRL
I C150B:LM2904
Q200:2SC4215
D707:1SV308 D203:1SV308 D202:MA2S728
BAND BAND RF
SW SW AM P
D 254:MA2S077 Q250:2SC5006
D256:1SV308 D255:1SV325 D253:MA2S111
RF
BAND
BPF
SW AM P
D402:HVC376B
D509:1SV308 D405:1SV308 D403:HVC376B
BAND RF
BPF
SW SW
D306:MA2S077
D307:HVC375B
Q301:2SC5006 D308:HVC375B Q300:2SC5006
D311:1SV308 D309:MA2S077 D 310:MA2S728
BAND RF
BPF
SW AM P
Q501:2SC5195
D508:1SV308
BAND
SW
D604:HVC376B Q601:2SC5006
D606:1SV308 D605:HVC376B D603:MA2S111
BAND
BPF
SW
Q701:2SC5006
D706:1SV308 D705:MA2S111
BAND
SW
IC952:LM2904
TTEMP TTEMP TEMP +3V + 5.5V TUNE
DET CTRL
PSET,ISET2
SEL
Q 50:UNR9211
VCC-I D11:1SV271
D51:1SV271
D52:1SV271
D54:1SV307
D55:1SV307
D56:1SV308
Q102:2SC3356 Q101:2SK3475 Q100:2SK3476 D58:1SV308
YGR PWR ANT
DRIVE
HPF
AM P AM P AM P SW
Tx:430.000M~450.000MHz
ISET1 GATE ISET2 GATE
CTRL CTRL
I C151:TC75S51FU I C150A:LM2904
D9:1SV308
D61:1SV308
D62:1SV308
ANT
LPF
SW
Tx:144.000M~148.000MHz
D201:MA2S077 D200:1SV308
BAND BAND
LPF LPF
SW SW
0.5M-30MHz
D251:MA2S077
D252:1SV325 D250:MA2S077
BAND
BPF
SW
30M-76MHz
Q401:2SC5006
D404:MA2S111 D401:HVC376B Q400:3SK318 D400:1SV308
RF RF BAND
BPF
AM P AM P SW
118M-174MHz
D304:MA2S077
D305:HVC375B D301:MA2S077 D300:1SV308
RF BAND BAND
BPF LPF
AM P SW SW
76M-118MHz
D303:1SV308 D302:1SV308
BAND BAND
HPF
SW SW
D504:MA2S077
D505:HVC375B
174M-260MHz
D506:HVC375B Q500:2SC5195 D 501:MA2S077
D507:MA2S077 D503:MA2S111 D502:HVC375B D500:1SV308
RF RF BAND
BPF BPF
AM P AM P SW
260M-350MHz
470M-600MHz
D601:HVC376B
D602:HVC376B Q600:3SK318 D600:1SV308
RF RF
BAND
BPF HPF
AM P AM P
SW
350M~470MHz
D703:HVC375B Q700:2SC5624 D700:1SV308
D704:HVC375B D705:MA2S111 D701:1SV308
RF RF
BPF ATT HPF
AM P AM P
600M~1000MH z
IC951:CD4094BPWR
TUNE1,TUNE2 DATA,CK,IOSTB
I/O +3V
BCC,80MC,300MC,SHIFTC
800MC,50MC,UHFC,VHFC
9 - 2
RF UNIT
HPF LPF
PWR
DET
D 50:MA742
D 53:MA742
PWR
DET D 59:MA742
D 60:MA742
LPF
Q2:XP1114
Q3:UNR9211
Q4:UNR9211
T5 T5V VT5V
SW UT5V
VHFC
UHFC
Q251:XP1115
Q303:XP1115
Q451:XP1115
Q703:UNR9115 VR3,UR3,800MR3
R3V
BCR3,50MR3,80MR3,300MR3
R3V
BCC,50MC,80MC,300MC SW
VHFC,UHFC,800MC
Q252:UNR9115
Q302:UNR9115
Q304:UNR9115
50MR3,80MR3,300MR3
SHIFT RFSHIFT
SHIFTC SW
Q1000:TPCF8104
D1000:MA2S728
D1001:RB050
HV
DC
VCC SW
J1000
CHG +
TO BATT
CP1
-
CP2