Icom IC-F5012 Service Manual page 35

• MAIN-A UNIT (1/2)
8.1V
HV Q17
HV
2SC4116
T8V 8V
T8V
R8V
R8V
8V
8V
5V
C127 L26
5V
18P C6342A
CPU5V
CPU5V
REF
REF
L28
BAL
BAL ELJNC
R348
150K
NWC
NWC
T1
T1
T2
T2
L39
TMUT RLVA 0.35-1.6-7TL
TMUT
L25
TXC
TXC 0.25-1.9-7TL
RXC
C124
RXC
220P
MOD
MOD
L27
F
F NLV25T
*R95
SQIN
SQIN
SCK
SCK
SO
L38
SO
0.25-1.9-7TL
TLVA
TLVA
R101
RLVA
RLVA 1K
PLST
R92
PLST
R90
100K
82K
UNLK
UNLK
Q18
TEMP
2SK880
TEMP
LVIN
CP1
LVIN
RSSI
RSSI
Q19
NOIS
LDTC144EE
NOIS
DISC
DISC
SQL
SQL
R97
EP8
UNLK 0.5V
MMZ1005Y102CT
5V
LK 4.6V
D37
N 5.1V
L1SS400
UNLK R93 IC4
C337 W
1K MB15A02PFV1-G-BND-ERE1
0.001
SCK
CLOCK FI N
9 8
SO
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
PLL
5V 5V
3.4V
C306 C308
6P 3P
FI2
C384
C385
LTM450FW
0.1 0.1
O I
C323
100P
Q34
2SC4116
FI6
D64 C394
*3 MULTI LTM450HW
HVD144A 0.1
I O
D65
HVD144A
5.1V
5V
N 0V
Q40
W 4.9V
LDTA114EE
C399
0.01
NWC L:NARROW H:WIDE
7.2V
MP 1 RX VCO
R79
1.8K
R85
3.9K R33R339
0
C126
18P
Q14
2SC4226
L46 C113
NLV25T 0.75P
Q11
TX VCO
2SC5006
R83
R84
1.8K
3.9K
R328
C123 0
47P
Q13
2SC4226
C118
0.5P
Q15
XP1214
4 3
EP9
MMZ1005Y102CT
2
Q12
5 1
2SC5006
TX 4.2V
RX 0V
R77 Q16
R291
C350
2.2K LDTC144EE
0.068 100K
R209
ERTJ0EP473J
TX 0V
RX 4.5V
L44 C297
L32
ELJRF 8P
ELJRF
C161
4P
R342
15K
R341
15K
EP7
MMZ1005Y102CT
0V
15.3 MHz
380 mVp-p
X2
CR-794
R221
4 1
VCC VCON
0
C165 3 2
OUT GND
0.01
R39
47
IF IC
IC1
NJM2591V
1 16
OSCIN MIXIN
2 15
C61
OSCOUT GND
3 14
100P
M IXOUT NOISEREC
4 13
CC396 V+ N OISEDET
5 12
IFIN R SSI
0.1
6 11
DEC IFOUT
7 10 Q4
C62
FILOUT QUAD
8 9 2SC5107
22P
D66 FILIN AFOUT
R44
R394 IF AMP
220K
2.2K
D67 5.0V
Q5
LDTC144EE
C64
0.01
C69
C488
100P
22P
Q43
R396
2SK3019
180K
IC21
5
3 TA75S01F
C347 C68 R45
4
0.001 100P 120K
1
R400 2
0
R397 R399
270K 100K
C490
1
11 - 3
TX 2.4V TX 3.1V
RX 2.3V RX 0V TX 6.7V
RX
L4*L43
C460
18P
*C456
C93 Q9
18P 2SC3357
DRIVER
Q10 C100
2SC5006 10P
C302
10P
TX 0V
RX 3.0V
R235
10K
R106
82K
R110
270K
REF
C166
47P
R105
180K
5
3
R220
4
10K
1
BAL
IC19
TA75S01F 2
TX 0V
RX 8.1V
R35
R8V
10
C58
0.001 TX 0V
RX 7.5V
C41 C392
C41 C392
*FI1
18P 18P
18P 18P
4 1 R32
GND IN
Q3
2 3 10
OUT GND
3SK293
MIX
N 0V
TX 0V
W 4.9V RX 0.5V
0V
L16 C14
AS080547-47N 0.001
D3
RN752
R333
18
R332
0
FI3
NFM60R20T152
FI4 *FI5
3
3 3
*R212
T8V
R58
470
TX 5.3V
RX 0V
TX 5.3V
RX 0V
R319
10K
L3 6
R28
AS080547-47N
12 Q1
C363
2SK1829
C49
0.015
8P
C40 C343
4P 0.001
Q2
3SK293
C30
10P
*D9
D4
RF AMP
HVC375B-E
R22
10K
TX 0V
RX 5.9V
TX 0V
RX 4.3V
*: Refer to the PARTS LIST for the value and name of component.
W1
LPF
L2 L1 RDS2T0R0
L3 AS080547-47N AS080547-47N
*R10 *R6
*R5
TX 3.5V
RX 1.8V
TX 8.2V
13.6V
RX 0V
HV
T8V
TX 0V
C79 R57 RX 4.9V
0.22 10K
R56
150K
D28
5 MA2S7280G
3 R55 TMUT
4 IC2 4.7K
1
TA75S01F
APC
2
T1
*Q20
L6
C2520C
C442
4P
R8V
TX 0V
RX 1.0V
RSSI
D62
DA221
AGC
R320
470K
C22
C25 C440 C19
1.5P
12P 12P 0.001
R14
10K