Icom IC-F3001 Service Manual page 16

Feb. 2010
MAIN UNIT (2/2)
HV
T5V
S5V
HV
HV
+5V
+5V
S5V
S5V
R5V
R5V
T5V
T5V
R76
R78
R5C
R5C
220
1k
SO
SO
SCK
SCK
PLST
PLST
NWC
NWC
TMUT
TMUT R72
+5V
MOD
MOD 1k Q17
VCON
VCON L43
SQIN
SQIN 2SK880 3.3U
LVIN
LVA
LVA
L42
T1
T1 68N
T2
T2
R70 R68
S5V
100k
LVIN
LVIN
RSSI
RSSI
DISC
DISC
180k C116
NOIS
NOIS R66 1
UNLK
UNLK
EP4 MMZ1005Y102CT
S5V
PLL
R80
D18
M B15A02PFV1
UNLK L1SS400
SCK
CLOCK FIN
9 8
SO
DATA LD
10 7
PLST
LE GND
11 6
FC DO
1k 12 5
NC VCC
13 4
FOUT VP
14 3
P OSCOUT
15 2
B OSCIN
16 1
IC2
MMZ1005Y102C T
EP5
+5V
REF
X2
1 4
VCON VCC
D33
2 3
GND OUT
1SS390
CR-794
D34
1SS390
R158
S5V
1k
Q27
LDTA144EE
HV
T5V
S5V
Q15
2SC4116
R67 MMZ1005Y102C T
VCOV
RX VCO
R54 R53
3.9k 1.8k
C93 L35 C88 Q13
47P 68N
33P
2SC4226
L34
L38
3.3U
3.3U
TX VCO
R56 R55
L37
3.9k 1.8k
33N Q14
R57
220P L40 C106
C112 68P 4.7
82N
2SC4226
L39
3.3U
2775
MP 3
C108
0.1
470k
22N
L46
C169
R62
10P
22k
Q19
LDTC144EE
0.001
C149
*3 MULTI
C253 C251
6P 3P IC3
Q26
C256
IF IC
1
10P
OSCIN MIXIN
2
2SC4116 OSCOUT GND
3
MIXOUT NOISEREC
4
FI2
V+ N OISEDET
C261
LTM450FW 5
IFIN RSSI
C263 C262
6
0.1
O I DEC IFOUT
7
0.01 0.01
FILOUT QUAD
8
R139
FILIN AFOUT
D31
NJM2591V
120k
FI3
1SS390
LTM450HW
D32 R141
C265 C264
I O C243
0.01 0.01
1SS390 22k
220P
C71
10P
Q8
C74 D5 C63
Q10
7P HVD142A 27P
2SC5107
2SC5107
Q11
R5V
LDTC144EE
Q12
R52
R5C
560
LDTC144EE
Q9
2SC5107
C141
10P
C206
10P
C224
0.001
R5V
C231
16
15
100P
14 FI1
13
12 4 1
R125 GND IN 3SK293
C232 C227
11 Q24 2 3
OU T GND
10
22P 0.01
560
9
R136
FL-442
2SC5107
2.2k
IF AMP
Q25
C234 LDTC144EE
0.01
HV
T5V
MMZ1005Y102CT
5.8N
L7 L6 C20
Q1
Q3 10.3N 0.001
RD07MUS2B
C56 C46
Q2
100P 100P
RD01MUS 1
2SC5107
D35
MA2S7280G
T5V
LDTA144EEQ 6
C30
0.22
R12
220k
C31
0.1
IC1
APC
5
3
R14
4
R10
1
100
TA75S01F
68k
2
10 C210
12P
R130
R118 L19
68N
150k
C191
MIX
0.01 Q22
C200 C197
Q23
6P 1.5P
3.5P
3SK293
D28
HVB350BYPTL
RF AMP
*: Refer to the PARTS LIST for the value and name of component.
6
ANT
LPF
45.5N
L5 L1 27.2N
D1 C8 L3 L2
45.3N HVD144A 0.001 45.3N
C6 C2
C4
1.5P 10P
4P
T5V
TMUT
R9 R18
10k 100
T1
R107
AGC
18k
2SK1829
Q21 R101
C186
R SSI
0.1 330k
C181 C178 C175 C173
1.5P 6P 0.001
R105 R104
4.7k 4.7k