Bllock Diagram - Icom IC-F3GS Service Manual

SECTION 10

BlLOCK 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
10 - 1
IC1: UPD3140GS
REF
PLL IC LOOP
FIL
X1: CR-664
(15.3 MHz)
DEV
Q10: 2SC4116 GR
BUFF BPF
(30.6MHz)
IC2: TA31136FN(D)
DET
IF DET IC
BPF
FI2
SFPC450G: [Narrow]
SEPC450E: [Wide]
(450kHz)
IC10:
M62363FP-650C
D/A
IC3B: NJM2902V
IC4: BU4066BCFV
HPF
ANALOG
SWR5
IC3D: NJM2902V
IC3C: NJM2902V
PRE MIC
ENPHA AMP
COMMON LINE
RX LINE
TX LINE
VCO
D3: MA77
Q7: 2SC5085 Y D4: MA77
Q6: 2SC4215 O Q4: 2SC4215 O Q3: 2SC5085 Y
Q8: 2SC5085 Y
TX/RX
BUFF BUFF BUFF
SW
Q5: 2SC4215 O
BUFF
Q34: 2SK1069 4
BUFF
FI1
FL-311: [Narrow]
D11: HVU350
FL-312: [Wide]
Q14: 2SC4215 O
D12: HVU350
(31.05MHz)
IF
BPF
AMP
Q13: 3SK239A
SD
NOIS
VCC
IC6:
CPU5
TK11250BM
Q18: 2SB1132 R
Q19: XP6501 AB
Q20: DTA144EU +5
S5 CPU
REG
S5
S5
CONT
S5C
Q21: 2SA1577 Q
R5
REG
R5 R5C
Q22: 2SA1577 Q
LPF
T5
REG
T5 T5C
CTCSS
TONE
D1: MA77
D2: MA77
Q2: 2SK2973 Q1: 2SK2974 D8: MA77
PRE ANT
PWR
LPF
DRIVE SW
AMP
IC3A: NJM2902V D32: RB706F-40
Q37: DTA144EU D33: RB706F-40
TXC
PWR
APC
DET
D9: HVU350
Q12: 3SK293 D10:HVU350
RF
BPF BPF
AMP
IC10:
M62363FP-650C
D/A
CPU5
IC11: S-80942ANMP-DD6
RESET
IC12: NJM2904V
CPU
LPF
IC8: HD64738747H
Q35: 2SC4116 GR
CTCSS
DTCS
LPF
Q36: 2SC4116 GR
DTMF
BUFF
MTONE
EEPROM
IC7: HN58X2432TI
ANT
LPF
X2: CR-663
(9.2 MHz)
LCD
KEY
MATRIX