Icom IC-F410 Service Manual page 37

• MAIN UNIT
Q14
W6
2SJ377
EP3
VCC HV
EP3
GND
7.9 V
DC
CABLE
Q15
DTC114EU
W8
R112
330k VIN
13.6 V
3.4 V
13.6 V
6.7 V
C195 5
470 1
J1 4
2
SP JACK
3
IC9
1.1 V
LA4425A
SP1
P1 J2
+
-
CHASSIS
H
CPU5V
MIC
8V
BEEPOUT
COMPLETE VIEW
Q8
TX:7.9 V R8V
13.6 V
2SD1664
RX:0 V
T8V 5V
IC2 TA7808F
TX:8.5 V
8V
O I RX:0 V
G
D14
1SS302
1.8 V
Q9 D13
Q12 2SB1132
5.1 V DTC114EU
DAN202U
D31
DAN202U
TX:0 V
Q10 2SD1664
Q13 RX:7.9 V
W5
XP6501
TX:0 V
R53 15k
R58
RX:8.5 V
4.7k
D15
5.0 V 1SS302
IC3 AN78L05M
4.5 V
CPU5 V
I O
G
Q7
C72 1
DTA144EU
Q11
R110
DTC114EU
NTCCF20124AH (47k)
5.0 V
R107 100
2.4 V 4
2
- 1 TX:4.7 V
3
+ RX:0 V
11
2.4 V
2.4 V
2.4 V
IC6a
NJM2902M
VCC
5V
8V
CPU5V
C193
0.1
C190
0.1
3.9 V
7.8 V
3.9 V
C291 R169 8
0.1 1k 3
1 + 3.9 V
2
-
IC4a
4
NJM2904M
R168 100k
Q41
C191 0.012
DTC363EK
C322
C186
D29
0.22
0.1
DAN202U
G
Q32
DTC144EU
EXST
SO
SCK
TXC
TMUT
J3
8V 1 2 5V
CPU5V 3 4 AFO
GND 5 6 SI
OPINT 7 8 OPT3 EXEN
OPCS 9 10 OPT2
BUSY 11 12 OPT1
13 14 OPV3
TONE 15 16 OPV2
BEEP 17 18 OPV1
DTCSIN 19 20 PTT
RFATT 21 22 PTTIN
NOIS 23 24 DET
UNLK 25 26 PWON
EXEN 27 28 EXPTT
EXST 29 30 DIMIN
DAST 31 32 SO
PLST 33 34 SCK
VIN 35 36 SD
TEMP 37 38 LVIN
MIC 39 40 GND
to Front unit
J2
Through
W3 of front unit
C
11 - 2
FI2 CFWM450E
X1
O I
5.0 V
CDBCA450CX24
IC1
R40
TA31136FN
1.8 V 2.2k
FI3 CFWM450G 1 16
D12
OSCIN MIXIN
DAN202U 2 15
I O OSCOUT GND C51
3 14
100p
MIXOUT N-REC
4 13
C64 Q4
VCC N-DET
0.1 5 12 2SC4215
IFIN RSSI
C52 100p
6 11
DEC IFOUT
7 10
W4
FILOUT QUAD
R46
8 9
FILIN AFOUT
100k
Wide:5.1 V
Narrow:0 V
C62
C59
270p
0.001
R44 820
C66 0.01
C60 0.01
WIDE:0 V
NAR:4.9 V
AFHPF
R45 330k Q22
C307 4.7
2SC4081
C131 470p
Q42
DTC144EU
R270 1M
R104 22k
C130 C129
B
0.047 0.047
2.4 V R99
6 2.2k
C128
- R102
7
2.4V
5 1 0.047 10
+
2.4 V 8
+
9
-
IC6c C127 C126
0.047 0.047
NJM2902M
AFREF
IC7b
NJM2904M
Q46 TX:2.0 V
RX:5.0 V
DTA144EU
R161
470k
IC8b
2.0 V NJM2904M
2.0 V
5 TX:2.0 V
+ 7
6 R265 8 RX:3.8 V
-
A
8.2k
DTCS
3
+
1
R157 270k C319 0.85 V
R162
2
-
0.1 p-p
470k
4
C184 15p
CTCSS
IC8a
2.0 V
0.7 V
NJM2904M
p-p
DTMF
R151
3.5 V
1.5M
p-p
C185
5 TONE
0.1
3.2 V
p-p
5.1 V
R204 10k
D25 MA111
MM
RM
IC13 D24
RX MUTE:
BU4094BCF DAN202U
5.1 V C232
0.01
1 16
STRB VDD
2 15
DATA
OENA
3 14 NWC
CLK
Q5
4 13 AFHPF
Q1 Q6
Q37
5 12
AFATT
Q2 Q7 DTC144EU
6 11 HORNO
T1
Q3 Q8
7 10
T2
Q4 Q,S
8 9
VSS QS
DAST
SCK
SO
T3
T4
TO OPTION
J4
OPV1 15 16 SCK
OPV2 14 17 SI
OPV3 13 18 SO
GND 12 19 OPINT
OPT3 11 20 OPCS
OPT2 10 21
OPT1 9 22 AF OUT
SIG OUT 8 23 DET
7 24 RXMUT
BUSY 6 25 BEEPO
5 26 AF ON
MIC IN 4 27 MIMUT
MIC OUT 3 28 HV
PTT OUT 2 29 5V
PTT IN 1 30 GND
0 V TX:0 V
TX:0 V
TX:0 V
RX:APPROX. RX:7.9 V
RX:7.3 V
RX:6.6 V
+3 VdBm
C33
2.5 (L-band)
47p
1.5p (ML/MH-band)
0.5p (H-band) C37
L11 15nH 1p ( L-band )
0.3p (Other)
0 V
C38
C41 1p
R31
R35 22
C36
120K
Q3
0.5p
TX:0 V 3SK241
RX:0.7 V TX:0 V
RX:2.2 V
RX:0.7 V
R33
C46
330
Wide:0.6 V 0.001
R28
FI1 FL-287
Narrow:0 V
18
R24 R22
Q5 10k 10k
2SC4081
TX:4.7 V 5V
RX:0 V
HV
T8V
R8V
Q44
DTC144EU
TX:0 V
RX:7.8 V
2.4 V
R94 1.5k
12
+ 14
2.4 V
13
-
Q45
IC6d
DTA144EU
NJM2902M
2.1 V
C330
2.4 V
47P
7.9 V
R142
10k
IC6b
R141
NJM2902M
2.4 V
10k R139 L31
2.4 V 18 18nH
5 R144 C174
7 + 22k 0.1
6
-
R148 R145 C175
2.4 V
100k 75k 0.1
R146 C176 R269
82k 2.2 39k
(LMR only)
W16 W15 W14 W13
(PMR only)
IC11
BU4066BCF
1 14
4.9 V I/O VDD
2 13
O/I CONT A
IC12 3 12
O/I CONT D
M62363FP-650C
4 11
I/O I/O
5 10
1 24
VIN1 VIN6 CONT B O/I
6 9
2 23
VOUT1 VOUT8
CONT C O/I
7 8
3 22
VOUT2 VOUT7 VEE I/O
4 21
VIN2 VIN7
5 20
VDD GND
6 19
LD
RESET
7 18
CLK VDAREF
8 17
DI D0
9 16
VIN3 VIN6
10 15
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12 13
TX:0 V
VIN4 VIN5
Q36
RX:5.1 V
DTC144EU
TX:4.7 V
C226 RX MUTE:0 V
RX:0 V
0.01
E
5V
SIGOUT
HV
C14
R17 100k R16 47k
5p ( P -L/ML/MH)
C23 C22
C20
6p ( L-band ) 3p ( L -MH,H-band
2p (L-band )
1.5p
5p ( ML,H-band ) 4p ( L -L/ML)
1.5p (ML/MH-band)
C30
4p ( MH-band )
0.001
L7 15nH
C317
47p
TX:0 V
RX:7.7 V
TX:0 V
R19 10
RX:2.5 V
0 V RX:2.9 V
Q2
3SK272 C29
Q1
DTA144EU
C308
RX:2.3 V
1p
Y655LY-02M=P3
TX:0 V
(H-band)
RX:0.9 V Y655LY-03K=P3
(Other)
R14
10k
RX:2.3 V
2.5p (H-band)
4p (Other)
R13
220k
TX:7.4 V
RX:0 V
D17
DA221
5p (H-band)
6p (Other)
W7
Q21
C113 7p Q20
2SC5107
C109
2SC5107
C117
47p Q19
TX:7.6 V TX:1.7 V
2SC4703
TX:Approx. RX:0 V RX:0 V
+7dBm
47 ( P -L/ML)
39 ( P -MH/H)
TX:2.3 V
2p ( P -H) 33 ( L -L/ML/MH)
RX:0 V
7p (L/ML/MH-band) 27 ( L -H)
Q31 2SC4081
R128
10
6.7 V
6.8 V
L30
C162
27nH Q24
6p
DTC114EU R118
1k
C158
12p
(*)TX:2.9
2.8 V
RX:0 V
6.4 V
C159
W9
3.1 V
2p
2.5 V
0.7 V 0.7 V
Q29
Q28
2SC5107 2SC5107
Q30
2SC5110
C173 C171 C169
Q27
12p 4p C
12p
DTC144EU
0
8V
C183
0.1
C221
0.0027
5
8
R195 R194
2
X2
- 1
220k 180k 2.4 V
3 CR-601
+ 2.5 V
IC7a
1
4
VCON V
C223 12p NJM2904M
2
Q35
GND O
2.2 V
2SC4081
WIDE:0 V
NAR:0.6 V
L34
18nH
Wide:0 V
Narrow:4.8 V
D F
Q40
C238
2SJ144
0 V 0 V
10
N
R211
100k
P
P
D27
MA111 P
5.1 V
P