Block Diagram - Icom IC-F3GT Service Manual

SECTION 11

BLOCK DIAGRAM

J5 AXN330C038
OPTION UNIT
2TONE or 5TONE
MIC, AF, PTT, MMUT
RMUT, AFONOP
SIGOUT
PTT
CONT
PTT Q17 UN911H
MIC
VCC
Q15 2SB1132 R
AF
Q16 XP6501 AB
REG
D26 DAN202K
IC5 TA7368F
AF
AMP
SP
VR 5V
OPT
EXT.MIC
MIC JACK
Q31 DTC144TU
AF OUT
D27 RB706F-40
SP
CLONE
BUFF
SP JACK
VCC
POWER SW
BATT
BDET
GND
COMMON LINE
RX LINE
TX LINE
X1
CR-664A [OTHER]
CR-671A A, D
IC1 UPD3140GS
REF
(15.3 MHz)
PLL IC LOOP
FIL
DEV
Q10 2SC4116 GR
BUFF BPF
(30.6MHz)
IC2 TA31136FN(D)
DET
IF DET IC
BPF
FI2
SFPC450G [OTHER]
SFPC450E C, G
SFPC450D E
CFWC450F A
(450kHz)
IC10
M62363FP-650C
D/A
R5
IC3B NJM2902V
IC4 BU4066BCFV
HPF
ANALOG
SW
IC3C NJM2902V
PRE MIC
ENPHA AMP
NOTE
A: W/N-type B: ETS/CEPT version
E: W-type of ETS/CEPT version F: N-type of ETS/CEPT version
11 - 1
VCO
D3 MA77
Q7 2SC5085 Y D4 MA77
Q6 2SC4215 O Q4 2SC4215 O Q403 2SC5107 O
Q8 2SC5085 Y
TX/RX
BUFF BUFF
SW
Q5 2SC4215 O
BUFF
Q34 2SK1069 4
BUFF
FI1
FL-311 [OTHER]
FL-312 C
FL-333 F, G
FL-334 E
Q14 2SC4215 O
(31.05MHz)
IF
BPF
AMP
Q13
3SK239A [OTHER]
3SK320 B
Q41 2SC4116 GR A only
NWC
W/N SWITCHING
CIRCUIT
SD
NOIS
VCC
IC6
TK11250BM [OTHER]
CPU5
NJM2870 A
Q18 2SB1132 R
Q19 XP6501 AB
Q20 DTA144EU
+5
S5 CPU
REG
S5
S5
CONT
S5C
Q21 2SA1577 Q
R5
REG
R5 R5C
IC3D NJM2902V
Q22 2SA1577 Q
LPF
T5
REG
T5 T5C
CTCSS
TONE
C: W-type of [GEN] D: EIA/TIA version
G: M (20 kHz)-type H: 100 channel version
Q3 2SC5085 Y Q2 2SK2973 Q1 2SK2974
PRE
PWR
BUFF BUFF LPF
DRIVE
AMP
IC3A NJM2902V D32 RB706F-40
Q37 DTA144EU D33 RB706F-40
TXC
PWR
APC
DET
D11 HVU350B D9 HVU350B
D12 HVU350B Q12 3SK293 D10 HVU350B
RF
BPF BPF
AMP
IC10
M62363FP-650C
D/A
CPU5
IC11 S-80942ANMP-DD6
RESET
IC12 NJM2904V
CPU
LPF
IC8 HD6433876B50H
Q35 2SC4116 GR
CTCSS
DTCS
LPF
Q36 2SC4116 GR
DTMF
BUFF
MTONE
EEPROM
IC7
HN58X2432TI [OTHER]
HN58X2464TI H
ANT
D1 MA77
D2 MA77
D8 MA77
ANT
LPF
SW
X2 CR-663
LCD
(9.2 MHz)
KEY
MATRIX