Icom ID-4100A Service Manual page 35

Dual band transceiver
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Q226
Q229~Q231
D223,D224
D231
D227,D229
Q235
RIPPLE
VCO
8V
Q227,Q232
FIL
SW
BUFF
UHF
VVCOC
TX:400~470 MHz
UVCOC
RX:336.35~503.65 MHz
D225,D226
IC207,Q222
D228,D230
Q236
Q221
Q228,Q233
LV
LOOP
BUFF
BUFF
FIL
VHF
TX:137~174 MHz
VCOSHIFT
RX:164.35~243.645 MHz
VCO
PLLSW
X201
IC206
Q234
PLL
15.3 MHz
BUFF
Q220
IC
X3
IC13
DDET
AMP
LPF
WXALT
WXALT
FIL
DAF
Q125
DTCSIN
DASEL RMUTE
CTCSS
FIL
IC109
Q112,Q139
DIGI/AN
AFMUTE
AF
FIL
DTMF
AMC
UT8
D47,D48
D232,D233
D50,D52
Q37
Q38
TX
LO
AMP
HPF
ATT
SW
SW
DRIVE
VTX_C
UTX_C
VT8
Q36
LPF
ATT
DRIVE
D234,D235
Q238
RX
AMP
SW
VVCO8
UVCO8
LPF
LPF
IC102
IC122
D/A
SQL
SQL
AMP
RSSI
45.9 MHz
IC119
IC120
AM
DET OUT
IF IC
LIMITER
FM
SELECT
D113
X101
Q129
JTB450C24
MODE
WIDE/NARROW
AMC
SW
SELECTOR
Q121,Q123
Q127,Q141,Q148
Q131,Q133
D105,D106,D109,D110
AGC
AGC
AMP
FI100
FI101
CERAMIC
CERAMIC
BPF
BPF
Q117,Q119
5VS
R5
CTRL
R5
R5C1
D55
Q41
HPF
AMP
LPF
PRE
LIMITER
DRIVE
D53
Q40
PRE
LIMITER
AMP
DRIVE
D343,D344
RX
SW
D18
D19,D86
VVCO8
UVCO8
RX
BPF
SW
BPF4
AGC
D36
Q143
D127~D129
RX
SW
Q23,D178
R5
FI104
D10
D11,D15,D89,D90
IF
XTAL
RX
LIMITER
BPF
BPF
AMP
SW
Q137,D115
D117
46.35 MHz
BPF4
IF
Q1,Q5,Q9,Q10
Q21
Q14,Q33
5VS
8V
ATT
R8
CTRL
CTRL
ATT
UR8
ATTC
UR5C1
VR8
VR5C1
260_R8
260_R5C1
FANC
5VS
TXMUTE
ATTC
BPF1-4
DA_DATA
IC1
PCON_V
DA_CK
PCON_U
DA_STB
D/A
HV
IC4
D62,D67
PWR
400~470 MHz
PWR
ATT
LPF
DET
AMP
HV
IC3
D59,D63
PWR
137~174 MHz
PWR
ATT
LPF
DET
AMP
D66,D69~D71
D77
8V
PCON(V/U)
APC
TX_MUTE
CTRL
IC2,Q46,Q48
AGC
VR8
VR8
Q19,D14
D27,D85
118~174 MHz
RF
RF
BPF
AMP
AMP
Q510,D1
BPF3
BPF2
BPF1
260_R8
D45,D51
D57,D58
D56
RX
RF
RF
BPF
BPF
SW
AMP
AMP
Q22
BPF1
BPF3
BPF2
BPF1
AGC
UR8
UR8
D21,D23,D25,D29
D32
RX
RF
RF
BPF
SW
AMP
AMP
Q17
Q500,D2
BPF3
BPF2
BPF1
FANHV
FANC
FAN
CTRL
Q29~Q31,D49
CHASSIS UNIT
9-2
ANTENNA
D84
230~550 MHz
118~550 MHz
D68,D73,D75
TX/RX
HPF
LPF
SW
118~174 MHz
TX/RX
LPF
SW
D33
D31
ATT
ATT
ATT
ATT
D81
D79
LIMITER
LIMITER
230~375 MHz
375~550 MHz
MF1
MOTOR2

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