Icom IC-F4001 Service Manual page 30

MAIN-A UNIT (2/2)
HV
T5V
S5V
HV
HV
+5V
+5V
S5V
S5V
R5V
R5V
T5V
R78 R76
T5V
R5C
R5C 1k 1k
SO
SO
SCK
SCK
0.47 SVA
PLST
PLST
NWC
NWC
TMUT
TMUT
R72
MOD +5V
MOD
Q17
100
VCON
VCON
SQIN
SQIN
2SK880
LVA
LVA R70 R68
LVIN
T1
T1 120k 470k
T2
T2
R66
LVIN
LVIN
150k
TEMP
TEMP
LDTC144EE
RSSI Q19
RSSI
DISC
DISC
NOIS
NOIS
UNLK
UNLK
EP4 MMZ1005Y102CT
S5V
PLL
L1SS400 D18
UNLK MB15A02PFV1
SCK
CLOCK FIN
SO 9 8
DATA LD
PLST 10 7
LE GND
11 6
FC DO
12 5
NC VCC
13 4
FOUT VP
14 3
P OSCOUT
15 2
B OSCIN
16 1
IC2
MMZ1005Y102C T
EP5
+5V
X2
1 4
VCON
VCON VCC
2 3
GND OUT
D33
CR-794
1SS390
D34
1SS390
S5V
R88
R158
TEMP
1k
ERTJ0EP473J Q27
LDTA144EE
HV
T5V
S5V
VCOV
Q15
MMZ1005Y102C T
2SC4116
L35
RX VCO
R54 R53
1U
D11 6 .8k 6.8k
C89
Q13
33P
HVD376B
L37 C92 C88
1U 24P 18P
2SC4226
MMZ1005A152ET
C83
0.75P
L41
TX VCO
0.47U
D14
R56
C107 R55
33P HVD376B 6.8k 6.8k
L42 C111 C106
2SC4226
R57
Q14
1U 15P
20P
4.7
C101
R87 MMZ1005A152ET 0.5P
Q12 LDTC144EE
100k R52
MP 3 2775
560
L47
18N
R63
22k
C149
0.001
X3 MULTI
C253 C251
IF IC
6P 3P
Q26
C256
IC3
1
10P
OSCIN MIXIN
2
2SC4116
OSCOUT GND
3
LTM450GW MIXOUT NOISEREC
4
C261 V+ NOISEDET
FI2 5
C263 C262 IFIN RSSI
6
O I 0.1 DEC IFOUT
7
0.01 0.01 FILOUT QUAD
8
FILIN AFOUT
R139
D31
NJM2591V
FI3
1SS390 100k
LTM450HW
D32
C265 C264
I O R141
0.01 0.01
1SS390
C243 47k
180P
HV
T5V
HVD142A
C71 D5 C63
Q8
10P 5P
C74
Q10 5P
Q4
2SC5107
2SC5107
2SC5107
Q11
R5V
LDTC144EE
R5C
Q9
2SC5107
C141
6P
C206
47P
R5C
R5V
C231
16
15
100P
14
13
FI1
12
C232
11 4 1
GND IN
C227 R125
10 Q24 2 3
22P OUT GND
9
R136 0.01
560
FL-442
2.2k 2SC4215
IF AMP
Q25
LDTC144EE
C234
0.01
M PZ2012S331A
PAV
L6 L5 0.001
2.8N 2.8N
C59 C55 RD01MUS 1
Q2 Q1
5P 10P
C45
47P
Q3
RD07MUS2B
2SC3356
D35
L1SS400
APCV
APC
C24 Q6
0.22
R15
470k
IC1
5
3
R17
4
1
270
2
TA75S01F
L18 C210
39N 5P
R5V
C186
0.1
R118 R107
L19
120k 56N 10k
3SK293
Q22
Q23 C200 C197
15P 0.5P
3SK293
D28
HVB350BYPT L
MIX RF AMP
*: Refer to the PARTS LIST for the value and name of component.
10 - 2
T5V
LPF
ANT_BOARD
10.3N
D3 0.001 L3 L2 L1
C11 C10 13.6N 13.6N
HVD142A C8
C4
2.5P
1.5P
R3
R4
1k
1k
T5V
TMUT
LDTA144EE
R12
10k
R13
100k
T1
AGC
2SK1829
220k
Q21 R SSI
R101
L11
C181 C178 C175 C173
7P 2P 47P 0.001 22N
R105 R104
10k 10k
D26 D24
HVB350BYPTL
H VB350BYPTL