Main Unit - Icom IC-F1721/D Service Manual

11-3 MAIN UNIT

8V
5V
R3 100k
TONE
R4 68k
MICA
R8 220k C12 0.1
SIG
AFOUT
C535 C13
EP4
470p 1
IC2
EP1 AK2346
R7 R9
C10
18k
33k 0.001 C11 1 AGNDIN 24
TEST C37 180p
R10
1 2 AGND 23
RXIN
18k
3 TXIN 22
R6 RXINO
4 TXINO 21
5V 33k RXLPFO
5 LIMLV 20
RXAF
6 EXTLMIN 19
RXAFIN
7 MOD 18
EXPOUT
8 VSS 17
VDD
MTCK 9 TCLK 16
XIN
MTDT 10 TDATA 15
XOUT
MDIO 11 DI/O 14
DIR
MRDF 12 RDF/FC 13
SCLK
C14 C16 C18 C20
47p 47p 47p 47p
MSCK
MDIR
SDEC
R11
1k
R26
C15 C17 C19
470k
47p 47p 0.022 C492
39p
C22
47p
C61
0.0022
R12 C21 R27 R28
CP57
3.3k 0.1 15k 15k
DISC
C65
C39
0.1
CP59
0.0022
CP58
DET
CDEC
CP35
R29
CP8
10k
MCOT
R31 10k
MIC
PA
DASW
PMFM
MICA
R398
100k
EXOE
EXST 1 16
STR V+
SSO
2 15 CP34
D OE
SCK 3 14
CLK Q5
4 13
CP30 Q1 Q6
5 12
CP31 Q2 Q7
R399
6 11
CP32 Q3 Q8
100k 7 10
CP33 Q4 Q'S
8 9
GND QS R397
10k
IC45
C491
0.1
BU4094BCFV
CP38
5V
R20
100k MMUT
R444 CSI
33k
CIRQ
R445
100k
C25
J2
0.001
30
1 PTTI PTTI
29
2 PTTO APTT
28
3 MCOT MCOT
VCC
27
4 MCIN MIC
AMMT C24 C43
26 C45
5 AUX
47p 47p
0.001
AFONO
25 BUSY
6 BUSY
CDEC
BEPO
24
7 CP2
MOWN
OPTIONAL C7
ARMT
unit 23 0.001
8 SIG SIGO
UT-109
DISC
UT-110
22
9 OPT1 OPT1
UT-111
AFOUT
21
10 OPT2 OPT2
REM
20
11 OPT3 OPT3
CCS
19 C44
12 GND
0.001
IRQA
18
13 OPV3 R33 47k PMFM
CSO
17 R34 10k
14 OPV2 NWC
CSIA
16
15 R35 47k
OPV1 DAST IC1
CCK
NJM12902V
CP39
VCC
D51 D65 D52 D55
DAP202U MA2S111 DAP202U DAP202U
8V
C26
47p
J1
1
2
3
4
R36
1k
5
6
MFDA
from
FRONT 7
8 POSW
unit J1
FMDA
9
10 MIC
C47 C46
C28
11 47p
12 47p
AFO 47p
C27
47p CP26
EXT SP
J5
AF AMP
R322
VCC VCC
10k
C409
C1 C2
C440
5 1 0.1
47p
47p 470 4
2
C467
J6
47p
Yellow 3
1
C465 C464 R365 R348 C439
R324
2
Black 0.001 0.001 10k 10k 470
IC38 22k
C480 C479
SP1 LA4425A
47p 0.001
(IC-F1700
series only)
R55
120k
5V
R62 C92
C62 120k 180p
C60 IC1
10 0.001
CP37
NJM12902V
R42 33k
13
14
R43 82k 12
R41
R60 C93
1M
100k
0.1
C79 C80
C78
0.1 0.001
IC9
C64 0.0012
R421 1M R45
0.1 NJM12902V
33k
X1 2
R56
CR-765 1
R44
100k
3
3.6864 MHz 33k C77
0.1
CP7 C94
0.1
C38 C63
22p 22p R54
47k C96
0.1
5V
IC43
IC42
C66 C95 DET
BU4053BCFV 0.1 0.1
BU4053BCFV
1 Y1 16 1 Y1 16
VDD VDD
2 Y0 15 2 Y0 15
Y Y R435
3 Z1 14 3 Z1 14
X X 47k
4 Z 13 4 Z 13
X1 X1
5 Z0 12 5 Z0 12
X0 X0
6 INH 11 6 INH 11
A A
7 VEE 10 7 VEE 10
B B
8 VSS 9 8 VSS 9
C C
R30
DMO
R434
33k
47k
PM/FM(X)
Rx/PA(Y)
R400
De-emphasis(Z)
39k
DAFO
DET
R401
15k
C41
C42 R32
0.0022
0.001 18k CPU5
IC44
R395
33k TA75S01F
C488 R394
0.47 27k 3 5 MAIN UNIT
4
1
2 R427 C490
C489 R396 0.1
10k
0.1 4.7k Explanatory notes
VOLTAGE LINE
TX LINE
RX LINE
COMMON LINE
R402
100
CP1
DET
R13
100k
CPU5
D54
DAP202U
CP47
IC1
J4
NJM12902V
1615
R5 DRXD
5
470 7 CCK
17
6 14
DTXD
R24
CSID
470k
18
13 GND
HD7 CSO
19
12
RTSI
C35
R25
IRQD
470p 100k
20
11
DFIL
C36
CCS
4.7 21
10 MD2
RXD2
C57
22
9 C_RES
0.1 DET
DAFO
23
R39 R52 8 CTSI
10 22k 22k
TXD2
8
24
C59 7
9 R40
0.039
22k DRMT
25
6
C58 BUSY
3VA
0.01
CPU5
26
5 RSSID
DAFON
27
VCC 4 DMI
DMMT
D64 28
3 DMO
DAP202U
VCC
29
2 DPTT
5V
AF ON 5.0 V
30
1 PTTI
OFF 0 V
GND
CP22
R300
10k
R304
100
Q28
DTC144EU J3 R67–R69, R96, R117–R124,
R67
C98, C100, C119, C148–C152
AFON
100
1 [USA-02], [USA-03]
2 TRST
AFONO
TMS
3
4
D36
C98
TDI Q3
DAN202U 5 0.1
DAFON 6 TDO
2SC4215
3VAX
D53 [USA-02],
7
8 EMU0
MA2S111 [USA-03]
TCK
D34
9
10
MA2S111
R321 R68
EMU1
1
CP23 4.7k
C408 C100 R96
0.1 1.5k
0.1
R69
3.3k
C410 C386
0.1 Q29 0.47
DTC363EK
R323
33k
VCC
8V 8V
5V 5V
5V
DET
R53
47k
C90
0.1
5V C109
C76
0.1
IC8
0.001
M62364FP R90
470
1 VIN1 24
VIN8
2 VOUT1 23
VOUT8
3 VOUT2 22
VOUT7
4 VIN2 21
VIN7
5 VDD 20
GND C114
6 LD 19
RESET 0.1
C112
7 CLK 18
VDAREF
8 DI 17 R91 0.1
DO
16 R93
9 VIN3
VIN6 15k
10 VOUT3 15 27k
VOUT6
11 VOUT4 14
VOUT5
12 VIN4 13
VIN5
R92
33k
C111 C113
0.1 0.1
R95
390k
8V
IC6
LC73872M
C67
0.1
1 14
VDD
INPUT
2 13
NC NC
C68
3 PD 12
15p EST
4 OSCO 11
STD
X3 5 OSCI 10
R46 ACK
CR-563 6
9
1M NC SD
3.579545 MHz 7
8
VSS LOAD
R451
C81
C69 R47
100k
18p 0.1
10
DAFO
LINER CODEC
3VC
R113
R138 4.7k
5V 3.3 V
68k
R110 R139 22k R165 3.3k R166 1k
20k
R112 R140 C209
C210 R164
C175 5.6k 47p
R111 100
0.001 100
0.1
20k
C140
C144
IC13
10 L16 1µH
0.1
CP54
C141
NJM2115V [USA-02], [USA-03]
270p
[USA-02], [USA-03]
C142 C145
R141 C177 R142 C214 R167
R116 20k C180 C213 C215
470p 82p 100 0.1 470 10k R168
0.1 10 0.1 10
JPW
R114
C143 C179
R110–R116, C176
100 R138–R143, R164–R168,
47p
C140–C146 47p 0.0022
C175–C181, C209, C210,
1.5 V
[USA-02], [USA-03]
C212–C215 [USA-02], [USA-03]
CP12 C178
C146
R115
0.01 0.01
4.7k
3.3 V C181
0.01
3VC
C147 0.01
R143
[USA-02],
10k
5V
[USA-03]
CP48
109 A19
110 A20
111 CVSS
112 DVDD
D6 113 D6
D7 114 D7
115 D8
116 D9
117 D10
118 D11
119 D12
HD4
120 HD4
121 D13 DIGITAL DSP
122 D14
123 D15
HD5
124 HD5
125 CVDD
126 CVSS IC41
HDS1
127 HDS1
128 DVSS TMS320VC5416PGE120
HDS2
129 HDS2
[USA-02], [USA-03]
130 DVDD
131 A0
132 A1
133 A2
Rx Digi/Ana(Y)
134 A3 Tx Digi/Ana(X)
HD6
135 HD6 OPT RMUT / CPU RMUT (Z)
136 A4
137 A5
138 A6
139 A7
140 A8
141 A9
142 CVDD
143 A21
144 DVSS
C182 0.01
[USA-02],
[USA-03]
5.0 V C186
5V
0.01 1 5
R120 IC17 2
C149
3 4
100 10
TC7SH32FU
C150
5V [USA-02], [USA-03]
R118 0.1
4.7k
R117 IC16
FI3
C148
1.8k R144
CFWC450E
7p AD7476ARTZ
22
[USA-02],
[USA-02], [USA-03]
R119
[USA-03] R121 C184 C185 R145
5
1.5k
15k 4 10 0.1 8.2k 1 6
I O VDD CS
1
CP13 2
C119 R122 5
3
GND SDATA
0.1 47
3 4
R124 2 IC15 VIN SCLK
R123 C151
C152
4.7k C183
5.6k 0.1 NJM2711F R146
0.1 C187
0.1
8.2k
0.0022
[USA-02],
A/D
R144–R146,
[USA-03]
IF-FILTER C183–C187
[USA-02], [USA-03]
IC9
REF
NJM12902V
5V
BAL
4
C135
R106 V+
4.7
18k
Q7
GND
DTC144EU TEMP
11
LVIN
C136 C206
R157
C110 0.1
47k 0.001
0.1
IC9
OUT0
NJM12902V
R134 R135 R156
R107
10 47k 47k 47k R158
4.7k 8
180k
CENC0 C3
9
C170
0.001
C172 R159
C138 820p
R94 C207 56k
47p 0.1 CENC1
27k
0.015
R162
22k
CENC2
R163
1k PLST
REM
SSO
SCK
R161
UNLK
22k
C137
C171
0.0033 470p
R136 R137 R160
R108 R109 R449 68k 68k
12 68k
SENC
5 68k 68k 68k 14
7 13
6
C174 C208
C139 68p 270p
47p
IC9
C115
IC9 C116 C173
47p
47p NJM12902V
330p
NJM12902V
5V
IC1
NJM12902V
IC30 R297
470
M62334FP
1 8
AO1 VCC
2 7
AO2 SCL
3 6
AO3 SDA
4 5
R296
AO4 GND C365
C529
10k
0.1 100
CPU5
C212 0.1
IC19 NJM2711F
5V R447
1 16
VCOM AOUTR 10k
2 15 [USA-02], [USA-03]
AINR AOUTL
3 14
AINL PWDA
4 13
VSS PWAD
C254 C531
5 12 BCLKX1
VDD SCLK
R201 0.1 5p
6 11 R199
DEM0 MCLK
7 BFSX1 47
10 47
DEM1 LRCK
8 X6
9 BDX1 R221
SDT0 SDT1
CR-771
R202
2.2k
IC18 AK4550VT 12.288 MHz 47k
[USA-02], [USA-03] C251
[USA-02], [USA-03] 5
0.1 C533
BDR1 1 4 4
VCON VCC 0.1
1
C253
3
1.5VB
0.1
2
3
R446
GND OUT 2
1k
C252
L20 1µH
12.3 MHz
R169 4.7k R203 C532
[USA-02], 10p
1.2 Vp-p
[USA-02], 47k 0.1
[USA-03]
[USA-03]
3VA
3.3 V
R170 4.7k
R204
[USA-02], [USA-03]
47k
BDX1
BFSX1
D61
R171, C236
MA2S111
[USA-02],
[USA-02],
[USA-03]
[USA-03]
72
CVSS
BCLKX1
71
BCLKX1
70
CVSS
HD1
69
HD1
68 SOO 76
R171
CVDD 3VAX P30/TXD0
67 4.7k 77
SIO
INT3 P31/RXD0
66
SCKO 78
INT2 P32/SCK0/SDA1/IRQ4
65
DTXD 79
INT1
64 CCSI P33/TXD1/SCL1
DRXD 80
INT0
63 C236 P34/RXD1/SDA0
CP49 RTSI 81
NMI
62 0.01 HBIL P35/SCK1/SCL0/IRQ5
HBIL CTSI 82
61 P36
IACK 83
60
P77/TXD3
BDX2 84
59
BDX0 D62 P76/RXD3
85 DIGITAL CPU
58 HD0
HD0 CP50 P75/TMO3/SCK3
MA2S111 86
57
DVSS P74/TMO2/MRES
3VAX [USA-02],
56 87
DVDD
[USA-03] P73/TMO1/CS7
55 HRDY 88
HRDY
P72/TMO0/CS6
54 89
BFSX2
53 P71/TMRI23/TMCI23/CS5
C237 CP51 RS 90
BFSX0
52 0.01 P70/TMRI01/TMCI01/CS4
CVDD HINT 91
51 PG0/IRQ6
HINT
HINT HRDY 92 IC20
50
PG1/CS3/IRQ7
CVSS 93
49 1.5VB
PG2/CS2 HD64F2239TE16
BCLKX2 94
48
PG3/CS1
BCLKX0
47 95 [USA-02], [USA-03]
PG4/CS0
BDR2
46 HCNTL1 HD0 96
HCNTL1 PE0/D0
45 BDR0 HD1 97
BDR0
C237 PE1/D1
44 HD2 98
BFSR2
[USA-02], PE2/D2
43 BFSR0 99
BFSR0 HD3
[USA-03] PE3/D3
42
BCLKR2 HD4 100
BCLKR0 PE4/D4
41
BCLKR0
40
DVSS
HCNTL0
39
HCNTL0
38
BCLKX1
BCLKR1
37
CVSS
BFSX1
BDR1
1.5VB
5V 5V
C275
C216 0.01
0.1
C275–C278
[USA-02],
[USA-02], [USA-03]
[USA-03]
C238 0.1
[USA-02],
CP18 R229 3.3k
[USA-03] SIO
R230 3.3k
CCSI
20 1
VCC O-CTRL SCKO R231 3.3k
19 8Q 2
1Q PTTIN R232 3.3k
18 8D 3
1D BUSYD R233 3.3k
17 7D 4
2D
16 7Q 5
2Q
15 6
6Q 3Q
14 7
6D 3D
13 5D 8 C277
BFSR0 4D
12
9 47p
5Q 4Q
BDR0 11
10
CLK GND
BCLKR0
R205 R206
R207 C276
CP15 CP16 100 100 100 47p
IC21
TC7MET374AFK R205–R207, R224–R236
[USA-02], [USA-03]
[USA-02], [USA-03]
VCC
11 - 3
8V
5V
C30 EP5
REF
IC1 68p
NJM12902V
R22 330k
X2
15.3 MHz
CR-794
R2 270k 950 mVp-p
15.3 MHz
2 C70
1 1 4
0.1
R1 10k VCON VCC
3
2 3
GND OUT
C29
R21
47p C71
1M 10p
PLL R429
1.8k
L1 1.8µH R48
470
C31 C32
24 OUT1 1
0.1 C49 C534
10 CUTO 2
23 VCCIF
0.001 0.0047 C73
VCCRF 3
22 VPIF
C48 100p
VPRF 4
21 CPOIF
0.001 L47 L46
CPORF 5
20 GND
22nH 22nH
GND 6
19
R23 FINIF FINRF 7
18 FINRF
C50
1k FINRF 8
17 GND R49
GND 9 47p
16 LE 56 C521 C520 C519
OSCX 10
15 DATA 8p 15p 8p
OSCIN 11
14 CLOCK
FO/LD 12
13 IF_EN C75
RF_EN
0.001
C4 C5 C6 C33
IC4
0.1 47p 47p 47p
LMX2352TM
5V
4 C51 C52
R37 0.01 0.1
3.2 V
V+ FI1
1.2k
C88
CFWM450E
GND 0.1
O I
11
L2 C53
0.22µH 0.01
R38 D2 FI2 D4
680k DAN202U CFWM450G R89 DAN202U
C55
4.7
4p
I O
C89 C108
R59
0.1 0.1
22k
C34
R88
10p
C54 C56 L3 22k
R426
56p 7p 0.82µH
R50 4.7
Q45
Q1 4.7k
Q2 DTA114EU DTC144EU
C526
2SC4116
0.1
R87
*3 MULTI
4.7k
8V
CPU5
5V
IC-F1721D,
F1821D only
R199, R201–R204,
R221–R223, R446–R448,
C251–C254, C531–R533
[USA-02], [USA-03]
CP19 C272 C273
1 0.001
R448 [USA-02], [USA-02], R441 1k
10k [USA-03] [USA-03] [USA-02], [USA-03]
MD2
R408 1k
R222
[USA-02], [USA-03]
C_RES
47k
IC24
IC22
S-80928CNMC
TC7S04F [USA-02], [USA-03]
C310 C313
[USA-02],
1 5 4.7 0.1
[USA-03] OUT CD
[USA-02], [USA-02],
2
VDD
1 5 3 4 [USA-03] [USA-03]
VSS NC
2
L45
3 4
1µH
C311 C312 0.01
[USA-02],
[USA-02],
[USA-02], [USA-03]
3.3 V
[USA-03] [USA-03]
C314
0.1
[USA-02],
[USA-03]
RSSID
3VA
C337
50
P42/AN2 R290 0.1
49
[USA-02],
P43/AN3 10k
48
P44/AN4 [USA-02], [USA-03]
47
P45/AN5 [USA-03]
46
P46/AN6
45
P47/AN7
44 8 1
P96/DA0 VCC A0 2
43 7
P97/DA1 WP A1 3
42
6
AVSS SCL A2 4
41 5
P17/TIOCB2/TCLKD SDA VSS
40
P16/TIOCA2/IRQ1
39
C315
P15/TIOCB1/TCLKC IC28
38 3.3 V
P14/TIOCA1/IRQ0 0.01
37
HN58X2416TI
P13/TIOCD0/TCLKB/A23 [USA-02],
36
[USA-03]
P12/TIOCC0/TCLKA/A22 [USA-02], [USA-03]
35
P11/TIOCB0/A21
34
P10/TIOCA0/A20 R291 47k
33
PA3/A19/SCK2 [USA-02], [USA-03]
32
PA2/A18/RXD2
31
PA1/A17/TXD2 R292 47k
30
PA0/A16 [USA-02], [USA-03]
29 3VA
PB7/A15/TIOCB5
28
PB6/A14/TIOCA5
27
PB5/A13/TIOCB4
26
PB4/A12/TIOCA4
1.5VB IC31 XC6204B332M
5V [USA-02], [USA-03] 5V
C316 47p
1.5 V 3.3 V 3VA 5 1
C317 47p VOUT VIN 2
C318 47p VSS 3
4
C338 C341
20 1 NC CE
VCC G1 0.1 10 C367 C370
19 2 R269 100 CSO
G2 A1 0.1 4.7
18 3 R270 100 CCS
Y1 A2
17 4 R271 100 CCK IC32 R1114N151B
Y2 A3
16 5 R272 100 PTTI
Y3 A4
[USA-02], [USA-03]
15 6 R273 100 BUSY
Y4 A5 1.5VB
14 7 SOO 5 1
Y5 A6 C319 VOUT VDD 2
13 CIRQD
8 C342 GND 3
Y6 A7 47p
4
12 9 PTTOT 10 NC CE
Y7 A8
C339
11 10 C368 C371
Y8 GND
0.1 0.1 4.7
C320
IC25
47p
IC33 XC6204B332M
TC7MET541AFK 3.3 V
R298
[USA-02], [USA-03]
[USA-02], [USA-03]
R268–R273, R298, 2.2
3VC
5 1
R437, R438, C316–C320, VOUT VIN 2
C338–C343, C367–C372 C340 VSS 3
4
10 NC CE
[USA-02], [USA-03]
C343 C372 C369
0.1 0.1 4.7
8V
5V
TEMP
LVIN
CPORF
FINRF
A
5V
REF
MIX
IF
FIL
B
8V
CPU5
5V
AFO
VCC