Icom IC-F510 Service Manual page 35

11-2 MAIN UNIT
MAIN UNIT (1)
8V
5V
VCC
BAL
J1
SCK SCK
R138 47k
OPV1 APST
SI SI
OPV2 R139 47k AMSK
SO SO
R140 47k
OPV3 AFCL
CIRQ CIRQ
GND
CCS CCS
OPT3 OPT3
REM
OPT2 OPT2
DISC DISC
to
OPT1 OPT1
Optional
DET DET
unit
SIG SIGOUT
FSW2
RMUT RMUT
SCK
MDWN
SO
BEPO BEPO
PLST
BUSY BUSY
AFON AFONO
AUX
MMUT MMUT
MCIN MCIN
VCC
UNLK
MCOT MCOT
5V 5V
PTTO PTTO
GND
CP4
PTTI
LOCK:5.0V
UNLOCK:0V
FRONT UNIT
J2 J2
GND
8V GND
8V
PWR
5V PWR
5V
LINH
KR0 LINH
J1 KR0
LCS
8V KR1 LCS
KR1
CL0
LCK
AFO KR2 LCK
KR2
to
PTT
MIC LSO
MICE FSW LSO
JACK
FSW
MIC
AFVI
GND HORN AFVI
HORN
CLI
CLI
CLO CLI
CLO
GND
PTT GND
PTT
MIC
AFO MIC
AFO
Explanatory note
VOLTAGE LINE
TX LINE
RX LINE
J9
COMMON LINE
XTXD
5V
XRTS
XRXD
RES
to Optional
XCTS
cable OPC-822
GND
MDI
GND
VCC
J8
NTXD
8V
IGSW
NRXD
PGI2
PGI1
PGO1
PGI3
GND
PGO2
R108 C523
56k 4.7 C363
0.1
IC11
IC26
TC75S51F R107
S-812C30AMC-C2K
C522 R307 1 5 47k
4.7 4
56k
1 5 3
GND NC
2 4 2 C163
VIN NC R308
10
3
1M
VOUT
R536
4.7k
0.8Vp-p
C156
(15.3MHz)
3V
47p
R528 C518
7.4V
56 0.001
R103
1.8k
L29
R109 1.8∝
10k
19 12
FSW2 BS2
20 11
VCC-XIN
CLK
21 10
DATA TCXO
22 9
GND
STB
23 8
LD GND
24 7
R323 BS1
FSW1
1
IC4
TB31256FL
C297
22p
REM
POSW
LINH
LCS 6.9V
LSCK
KR0
KR1
KR2
FSW
3.0V
C304
10p
TX:0V
RX:5.0V
Q34
R284
2SC4116
1k
MICI
800mVrms
AFO
LSO
AFVI
HORNO
CLO TX:0V
R316
RX:3.3V
R143 CLI
100k
100k
HANG
R155
100k
Q44 R154
DTC144EU 100k
IGSW
Q42 NTXD
DTC144EU
NRXD
Q4
D63
2SC4215
PGI1
DAN202K
D67
DAN202K
PGI2
MEASUREMENT CONDITIONS
VOLTMETER
D65 Amplitude(Oscilloscope):100MHz
PGI3
DAN202K Frequency:155MHz
Transmission:25W
R158 10k PGO1
R157 10k PGO2
11 - 2
R209
NTCG20
Q18
5.0V
2SK880
R89
C161 X2 R90
10k
100p CR-664A CP1 100k
Q19
2SC4215
C147 C515 R95
1 1 6.8k
R524
Q50 1k
2SC4081
Q52
2SC4116
Q51
Q53
2SA1576
Q54 2SC4116
XP2401
R96
Q55
TX:1.2V 330
XP2501
RX:1.2V
R525
C108
1k
0.01
TX:2.2V
6.6V 6.5V RX:3.1V
TX:6.5V
RX:0V
Q10
C102 R71
2SC5107
10p 470
Q9
TX:0V
2SC5107
RX:2.9V
C100 D14 C98
Q11
2SC5107 18p MA77 15p
D15
MA77
TX:2.9V
C103
Q12
RX:0V
2SC5107 8p
R8V
5V
TX:0V
R40
4.9V
1.5k RX:5.4V
IC1
FI2
TA31136FN
ALFYM450F=K [N/W]
C306
1
4p CFWM450G [N/M] OSCIN MIXIN
2
OSCOUT GND
3
O I MIXOUT N-REC
4
VCC N-DET
5
IFIN RSSI
6
DEC IFOUT
7
FILOUT QUAD
8
FILIN AFOUT
R44
C371
56k
0.01
WIDE:0V
1.0V
R45
NAR:5.0V
15k
R42
47k
Q6
DTA144EU
R8V
TX:0V C49
R28
RX:7.7V Lo Level:1-6dBm 8p
12
C41 C40
3.5p 1.5p
Q3
3SK272
FI1
FL-335
C58 R33
0.001 150
TX:0V
RX:1.2V
R24
10k
8V
5V
VCC
Q17
2SC4116 7.0V
R84 R83
3.9k 1.8k
R292
220k
C123
C124 L25
100p
C145 22p 67n W3
47p
Q13
C118
2SC4226
0.75p
L27 R80
560 [N/W]
0.47∝
L50
820 [N/M]
44n
L26 R85 R79
67n 3.9k 1.8k
C127
C126
270p
68p W4
Q14
C113
2SC4226 0.5p
L28 L51
0.47∝ 67n
R78
1k
R86
120k
T8V
IC3
D72
TX:6.4V
RA30H1317M-21[25W]
1SV252
RX:0V
RA60H1317M-21[50W]
6 5
L18
C92 47n[25W] L16
8p 82n[50W] LA-253
C93 Q8
2SC3538
22p[25W]
6p[50W]
FI5
FI4 FI3
NFM60R-
NFM60R- NFM60R-
20T152
20T152 20T152
[50W]
NWC
C389
C61 0.001
100p [50W]
16
C348
15
0.001
C14
14
0.001 L3 L2
13
[25W] LA-253 LA-243
C62
12
82p
11
10
9
4.9V
R43
D11
470 D1
1SS375 1SS375
R6
100[25W]
10k[50W]
R5
Q5
100[25W]
2SC4116
10k[50W]
TX:3.3V
RX:1.9V
SQIN
D68
TX:0V DA204K
RX:7.9V
TX:0V
TX:3.6V
RX:7.9V
RX:0V
R206
470k
C385 TX:0V
4p RX:6.3V
Q1
2SK1829
C33
Q2
47p
C22 C25
3SK293
1.5p 6p C19 0.001
C30
R22
22p
10k
R14
10k
TX:0V
RX:4.6V
R12
10k
BUS LINE1
8V
5V
VCC
T8V
R8V
ANT
TX:4.3V
RX:0V Q16
DTC144EU
Q15
XP1214
5 1
2
4 3 TXC
TX:4.3V
RX:0V
T8V
D3
XB15A407[50W]
D2
UM9401F[25W]
HV
MAIN
UNIT
R8V
(2)
5V
R2
47
FWD
L1
LA-253
D71
DAN222
REV
R8V
T8V
TX:0V
C79 D32 R55 RX:5.0V
0.22 MA2S728 4.7k
R54
R56
TX:3.7V 10k
150k
RX:0V
C78
R57
R58
2 10k 0.001
3
1
4
1
5
IC2
TC75S50F
L6
TX:3.3V
44n
RX:0V
R547
1[25W]
18k[50W]
R529
15k[25W]
D56 R52
MA2S111 15k
Q57
DTC114TU[25W]
2SC4116[50W]
BUS LINE2