Block Diagram - Icom IC-F14 Service Manual

SECTION 10

BLOCK DIAGRAM

LVIN
X2:
IC7: CR-783 Q39: 2SC4081
NJM12902 15.3 MHz Q40: 2SA1576
BAL
CHARGE
TCXO
BUFF
PUMP
REF
Q19: IC4:
2SC4116
MB15A02
PLL
X3
IC
FM IF IC
45.9 MHz
BPF
RSSI
SQIN
DET
LVA, T1, T2
MOD
D/A
DET
OPTION
IC8:
M62363FP
CTCSS/DTCS DEC
IC7:
NJM12902
DET
LPF
IC5:
NJM12902
LPF
IC5:
NJM12902
OPTION
CENC0-2
LPF
Q27: S4:
UNR9213J TP70TF5163
SIGO BEEPO DUSE FIL CH
SW SELECT
BUSY MMUTE
IC15:
BR24L16FV
EEPROM
RMUTE
D28:
MA2S077
AFONO CSFT SHIFT
SW
S5V
Q18:
Q17:
2SK880 2SC4116
Q14: 2SC4226
D19, 20: HVC376B
RIPPLE
BUFF
FIL
D22:
HVC375B RX VCO
LV
ADJ
LV
LOOP
FIL
Q20: D21:
2SK3019 HVC375B TX VCO
FAST LV
SW
ADJ
D16, 17: HVC376B
LPF
IC7:
NJM12902
FM D18:
BUFF
MOD
1SV239
IC1: TA31136FN
FI2
Q26:
UNR9213J
X1
CERAMIC
W/N
BPF
NOIS SW
CDBC450CX24
ALFYM450F=K
450 kHz
IC6: Q34:
NJM13403 2SK3019
RX
HPF
MUTE
DISC
CONNECTOR
IC6:
NJM13403
CTCSS/DTCS
LPF
TONE
IC5:
NJM12902
SENC0-3
LPF
IC7:
NJM12902
R131
TEMP
AMP
CDEC
SDEC
CPU
F1
IC13:HD6433687
F2
IC14:
BD5242
RES
RESET
CPU5
X3
Q32: XP4216
CR-764
19. 6608 MHz
LED
CTRL
10 - 1
Q15: XP1214
Q16: UNR9213J
VCO R5V
SW
Q12: Q10: D14, D15:
2SC5107 2SC5107 MA2S077
TX/RX
BUFF BUFF
SW
Q11:
Q13: 2SC5107
2SC4226
ATT
BUFF
182. 35 MHz-220. 35 MHz
Q4: FI1: D10:
2SC5107 FL-335 HVC350B
Q3:
46. 35 MHz 3SK299
IF XTAL
BPF
AMP BPF
MIXER
T2
IC10:
CD4066
IC6:
RMUT NJM13403
HPF
IC6:
NJM13403
MMUT
ANALOG
AMP
SW
RMUT
TMUT
Q21:
2SA1577
T5C
T5 T5V
R5C REG
Q23: 2SB1132
Q24: XP6501 Q22:
2SA1577
Q25: UNR9113J
S5C
R5 R5V
S5
VCC REG REG
S5V
+5V
+5
REG
IC9:
NJM2870
G
R
DS1:
CL-165HR
Q9: Q8: Q7: D1:
RD07MVS1
2SC5110 RD01MUS1 RB876W
PRE DRIVE PWR PWR
DRIVE AMP AMP
DET
Q1:
IC2:
2SK1829
TA75S01F
RSSI
GATE APC
CTRL AMP T2
D9: D4: D8:
HVC350B HVC375B HVC375B
RF
BPF BPF BPF
AMP
Q2:
3SK293
T1
OPTION CONNECTOR
MCOT MCIN
Q35:
2SK3019
MIC
MUTE
Q28: UNR911HJ
PTT
DET
PTT PTTI
OPTION CONNECTOR
IC12:
TA7368F
AF VOL
AF
AMP
Q30: 2SA2048
Q31: XP6501
AFON
PWR
CTRL
AFONO
Q29: UNR9210J
D26: PB876W
CLONE
BUFF
F1 2
VCC 1 2
136-174 MHz
D2: 1SV307
D5: 1SV307
ANT
LPF
SW
Q6:
UNR9113J
MUTE
SW
TMUT
J2
HSJ1122-010010
MC1
PTT
HSJ1456-010320
J3
J1
SP1
1
2
BM02B-ASRS-TF
NOTES :
Voltage line
Contorol line
Common line
TX line
RX line
DATA lime