Block Diagram - Icom IC-F2000 Service Manual

SECTION 9

BLOCK DIAGRAM

IC14
LVIN
TC4S66F
CR-794
NJM12902
15.3MHz
IC7 X3
BAL
LOOP
VCON
BUFF
TCXO
REF FIL
AK1542
2SC4116
Q26 IC15
PLL
X3
IC
45.9MHz IF IC
BPF
D/A
SQIN
REF
DISC
R132
NJM12902
VOL1 IC11
LPF
/SUM
LVA
T1
CTCSS/DTCS
T2
IC5
LM2902
IC10
LPF
CTCSS/DTCS DEC
DMG504010
Q5
DISC
LPF
IC7
LM2902
CENC1 (PWM)
LPF
IC24
+3V
REG
Q19 S4
DUSE FIL CH
SW SELECT
IC22 IC23
SENSOR CONV
D6
SHIFT
SW
S5V
2SC4116
Q23
RIPPLE
FIL
D10 RX VCO
Q25
LV D9,D10
ADJ
LV
D11 TX VCO
LVA LV
ADJ Q27
D11,D12
1SV309
D13 Q28
FM VCO
R5C
MOD SW
IC16
RSSI NOIS
SPLT
IC2
MSK
FM/PM
NJM12902
IC11
AMP
DTMF/5TONE
LPF
MOD
AFO
IC13
EEPROM
NDIS Q41
LIGHT LED
RSSI CTRL
BEEP
SENC
R155
TEMP
SDEC
AF VOL
LVIN
CPU AFVI
CDEC EPTT
VOXV
PTT
IC9
IPTT
PUSH1
F1
P1
KEY1
P2
PUSH1
KEY2
PUSH1
F2
IC8
RES
RESET
CSFT CPU5
Q21:Q22
CR-864
X2
LED
CTRL
12.288MHz
DS1
CL-165HR
9 - 1
Q29:LDTC144EE
VCO R5V
SW
D17
2SC5107 2SC5107
D16
Q30 Q31
BUFF TX/RX
BUFF
SW
2SC5107
Q32 228.65MHz-353.65MHz
BUFF 353.65MHz-423.65MHz
LPF
×2 403.65MHz-473.65MHz
HVB350B
FL-442
2SC4215 FI1 Q37 D18
Q33 3SK293
46.35MHz
IF XTAL
BPF
AMP BPF
MIXER
IC4
LIMIT
EMPH
HPF COMP AMP
AMP
MSK MSK
BPF
SCRM
Mod De-Mod
EXP EMPH
HPF LPF AMP
X1
D5
14.7456MHz VOXV
DET
SDEC
IC21 DS2
IC21 DS2
IC21 LCD
LCD
DRIVER
DS3,DS4
DS3
+5V
DS4
KEYMATRIX
DS5,DS6
DS3
KEY DS7,DS8
MATRIX
DS4
DS9,DS10
S6-S21
Q17
T5C
T5 T5V
REG
Q16
IC20 R5C
PWON R5 R5V
+5V REG
VCC REG
Q15
S5 S5V
S5C REG
+5V
IC6
CPU5 CPU5
REG
S5 F1
YG VCC 1 2
SW12
ERBSE3R00U
HR
MAIN UNIT
RD01MUS1 RD07MUS2B
2SC3356
2SC5107
Q34 Q35 Q38
Q36
PRE PWR
PRE DRIVE
DRIVE AMP
AMP AMP
TA75S01F
IC17
* APC
AMP
HVB350B
HVB350B
HVB350B
D18 D21 D25
Q39
RF
BPF BPF BPF
AMP
T2 T1
Q3
EPTT PTT
DET
IC2
Q1
MIC ATX AUTO_TX
GAIN
IC3
MGC0
NLM12902 MGC1
IC1 TPA0211DGN
AMP
AF
AFO
AMP
IC12
TA7368F
AF
AMP
AFON
Q9
Q10
S5V
PWR
VCC CTRL
D7
Q20
CLONE
BUFF
Explanatory notes
*:For [EUR] and [UK] versions.
335-400MHz
400-470MHz
450-520MHz
D19
D27
ANT
LPF LPF
SW
D22
D23
PWR
T1 DET
Q40
MUTE TMUT
SW
J1
MC1
EM9745P
CTRL
J2
J3
SP1
1
2
CONTROL LINE
COMMON LINE
TX LINE
RX LINE
DATA LINE