Icom IC-F4101D, Service Manual

Page: 35 / 38

10 - 2
• MAIN-A/C UNIT (2/3)
*: Refer to the PARTS LIST for the value and name of component.
TX 0V
RX 4.82V
TX 4.89V
RX 0V
TX 0V
RX 3.32V
TX 3.32V
RX 0V
AFON 5.27V
OFF 0V
19.66MHz
1.73Vp-p
2.23V
1.43V
3.28V
3.32V
5.00V
C453 15P
IC66
TC7W53FK
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
R468
680
Q90
2SA1577
IC60
9
10
8
R668
EXB28V102J
R243
10
CP6
Q52
LDTC114YE
R373 100K
C323
0.1
R625
270K
CP8
C389 0.001
R639
100K
IC54
NJM2871BF05
1
CTRL
2
GND
3
NB
4
VOUT
5
VIN
C338 0.001
R969 1M
C311
1
J53
1
2
3
4
R414
330K
Q88
LDTC114YE
R244
1M
C435 22
IC60
V+
4
GND
11
C398 0.001
ADS
R692
1K
R634 10K
R439
150K
IC55
TPA0211DGN
1
IN
2
SHUTDOWN
3
VDD
4
BYPASS
5
VO+
6
SE/BTL
7
GND
8
VO-
9
C344 0.1
C461 0.1
R640
100K
C491
0.01
DIF
C457 0.027
IC65
BD9141MUV
1
SW
2
SW
3
SW
4
SW
5
SW
6
PVcc
7
PVcc
8
PVcc
9
NC
10
Vcc
11
GND
12
ADJ
13
ITH
14
VREG
15
NC
16
NC
17
EN
18
PGND
19
PGND
20
PGND
21
R517
1.8K
R413
100K
CP15
T2
R527
100K
C514 1
R452 47K
R641
100K
R432
4.7K
R657
1K
Q73
KTA2015
CP16
CP132
C388 0.001
NOIS
C405 1
SQIN
DSCK
R436
4.7K
R365 4.7K
UNLK
D59
LDAN222
C448 10
R632
10K
R646 100K
C512 1
R651
1K
DPDN
Q86
LDTC114YE
C463 0.1
Q59
LDTC114YE
R371
100K
C400 10
R683
1K
C431 100
R422
100K
D51
LRB706F
R423 33.0K
R405 1.8
DMOSI
R638
100K
C433 0.001
C452 0.1
CP17
R361 5.6K
CP10
C361 0.1
J51
R408 100
C503 0.1
DRES
CP5
EP53
MMZ1005A152ET
RSSI
C482
0.068
R669
EXB28V102J
VREF
C376 0.001
S5V
C319 0.1
DET
R492 5.6K
R624 10K
C339 0.001
C484
1
R627
100K
C502 0.1
DMISO
R623
5.6K
CP20
C335 0.001
PLSW
R630
0
D54 L1SS400
C456 0.1
CP13
C429 0.01
Q85
LDTC114YE
R612
100K
D52
MA2S7280G
Q72
2SA1586
+5V
C318 0.01
R494
47K
R498
18K
R366
150K
R652
1K
C391 47P
R618
10K
R637 10K
C406 0.001
R433 10K
R653
1K
C511 1
R434
10K
SCK
C426 0.01
L51
VLCF4028T-4R7N1R5-2
R389 3.90K
CP7
DSIRQ
Q83
LDTA144EE
R370
470K
R424 15.0K
R635 10K
D53
L1SS400
C384
1
MOD
PLST
R
YG
DS51
LNJ115W8PRA
C394 0.001
TMUT
Q93
LDTC114YE
CP11
R440 390
CP12
C437 0.001
C515 0.001
R89 100K
C336 1
C404 0.1
C397 0.001
C423 0.01
R435 10K
R420 100K
R693
15K
R362 33K
C504 0.1
C378 0.001
R360
2.2K
R417
1.2K
C490 0.068
IC57
AK2330
1
VIN7
2
VIN0
3
VOUT0
4
VOUT1
5
VIN1
6
RSTN
7
CSN
8
SCLK
9
SDATA
10
DVDD
11
VSS
12
AVDD
13
VREF
14
VIN2
15
VOUT2
16
VOUT3
17
VIN3
18
VIN4
19
VOUT4
20
VOUT5
21
VIN5
22
VIN6
23
VOUT6
24
VOUT7
25
MP11 OG-503040
C505 0.1
C507 1
SSO
R364 47K
R496 82K
R647
1K
IC53
NJU7704F3-28A
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
C401 0.1
D55
L1SS400
R611
0
C451 0.1
C413 0.001
DISC
R614
120K
R416
1K
R372 100K
C465
NFM18PC104R1C3
C342 0.001
C390 0.001
C427
0.1
R622 18K
C343
10
C408 0.1
IC62
TC7W66FK
1
2
3
4 5
6
7
8
LVA
Q71
KTA2015
IC63
NJM2783V
1
GAIN1
2
GAIN2
3
DET
4
OUT
5
BUFFIN
6
BUFFGAIN
7
BUFFOUT
8
GND
9
V+
10
VREF
11
SENSE
12
INT
13
GAINSW
14
IN
C430 0.1
R503
100
R5V
C327 0.012
R369
150K
T5V
S51 SW-149
C510 0.001
J52
Q91
LDTC114YE
R406 100K
C488
1 C313 0.1
VCON
DMO
CP9
R694
15.0K
X51
CR-912
C340
0.1
R437 100K
+3.3V
CP18
R636 10K
Q92
TPC6103
1
2
3 4
5
6
D60
1SS390
R442
330
IC60
2
3
1
R431 10K
C455
15P
R444 1K
T1
R493
10K
R453
47K
Q67
LDTC114YE
C380
68P
R367
27K
C337 0.001
Q63
2SB1132
HV
C454 6P
R441
10K
R620 47K
IC60
13
12
14
R518
100K
DAFO
C393
220
C322
1
IC64
V+
8
GND
4
IC58
TA75S01F
1
2
3
4
5
R628 100K
Q87
LDTC114YE
CPUV
C506 0.1
C509 1
NWC
R430 1M
R968 100K
R88 ERTJ0EP473J
LVIN
IC64
6
5
7
C513 0.1
C458 0.47
CP19
C392 47P
Q84
LDTC144EE
C334 0.001
R428
1K
R662
EXB28V102J
C412 0.001
C399
0.1
C489 1
C432 0.001
DIF
R368
270K
DMI
EP51
MMZ1005Y102CT
C377 22
C501 0.1
R661
EXB28V102J
C328 270P
R663
EXB28V102J
C508 0.001
C385 0.1
Q51
KTA2015
C395 220
R633
4.7K
S5C
+3.3V
IC60
NJM13403V
6
5
7
C428 0.001
Q82
LDTA144EE
C483
1
R666
EXB28V102J
IC64
NJM12904V
2
3
1
EP52
MMZ1005A152ET
R363
470
CP21
C466 1
DSS
RXC
IC51
HD64F2506RBR26DV(EMPTY)
A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 C1 C2 C3 C5 C7 C8 C13 C14
C15
D2
D3
D4
D6
D7
D8
D9
D10
D13
D14
D15
E1
E2
E3
E4
E12
E13
E14
E15
F1
F2
F3
F4
F12
F13
F14
F15
G1
G2
G3
G4
G12
G13
G14
G15
H1
H2
H3
H4
H12 H13 H14 H15
J1 J2 J3 J4
J12 J13 J14 J15
K1 K2 K3 K4
K12 K13 K14 K15
L1 L2
L12 L14 L13 L15
M1 M2 M3 M4
M5 M6 M7 M8 M9
M10 M11 M12 M13 M14 M15
N1
N2
N3
N4
N5
N6
N7
N8
N9
N10
N11
N12
N13
N14
N15
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
R3
R4
R7
IC52
R1EX24512ASAS0A
1
A0
2
A1
3
NC
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
+5V
R631 10K
C487 1
CP14
R665
EXB28V102J
R691
100K
C467 1
R626
100K
R667
EXB28V102J
R621 15K
R455 0
R615
22K
R451
33K
R619
27K
C324
820P
R454
120K
C312
180P
R412
10K
C403
0.22
C485 1
R504
100K
R491
22K
R497
22K
C492
100P
Q81
LDTC144TE
C493 680P
R500
39K
R388 27K
R390 8.20K
C325 0.01
R688
2.2K
R664
EXB28V471J
R418
390
R616
150K
Q58
DRA9123Y0
R469
270
C381
0.1
C382
0.1
C383
1
R426 2.7K
R427 15K
R421
F081165S-5
R495
47K
R502 470K
R499
6.8K
C494
0.01
R610 82K
C386 0.1
C459
NFM18PC104R1C3
C462 47
C464 47 C468 47
S52 SW-167(SKQT)
S53 SW-167(SKQT)
R394
82K
R395 27K
C418 47P C420 47P
C486
0.1
Q64
DMC506010R
1
2
3 4
5
6
Q66
2SK3019
MC51
EM9745P-33-G
R398
150K
C364 100P
R397
150K
R393 470K R396
180K
F51
ERBSE3R00U
1 2
R357 22K
C341
1
R358
390
R359
8.2K
S54
FSR080453W-01+16C
1
A1
2
C1
3
B1
4
A2
5
C2
6
B2
7
A3
8
C3
9
B3
C447 100P
C475 100P
C434 0.01
C396 100P
R429
560K
TXC
RES
A7
A15
B8
M15
MSEL
L1
BAL
+3.3V
RXC
PLST
D6
C13
RXD0
AFON
A7
S5C
B15
B12
TXD0
MOD
MCG0
P4
D7
TLED
DSCK
P4
C1
C7
L15
SIDE1
R4
D3
D7
L14
+3.3V
SIDE2
SCK
J2 MDET
PLSW
M1
D2
AFVI
DET
J1
DIF
M8
+3.3V
DET
H2
+3.3V
BEEP
TXD0
LVIN
SQIN
DISC
N14
ADS
DAFO
MOD
M1
UNLK
C2
MD2
RSSI
H1
DMO
L2
CPUV
N4
LVIN
AFVI
DMISO
DMI
AFON
RXC
SCK
CL
NMI
DIF
IPTT
+5V
DSIRQ
SCK0
J1
+5V
NOIS
S5C
ATX
M2
DMISO
B8
MDWN
ADS
MDET
LVA
T2
M2
M8
DMOSI
SIDE1
H2
SSO
VREF
D14
T1
J2
REF
VCON
DSCK
CLI
VOXV
H1
TXC
CLO
MD2
DMI
XPTT
T1
T2
DSS
+3.3V
DSIRQ
DMO
C2
8P
SIDE2
MCG0
AFON
LVIN
VREF
CL
N14
S5V
C8
ADS
CPUV
VOXV
PLSW
LVA
H12
P15
CBI2
S5V
+5V
R5V
M14
TLED
D13
CPUV
CBI2
IPTT
NWC
ESDA
POSWH
TEMP
VREF
M15
RLED
A15
CBI1
H12
+5V
AFVO
CBI3
+3.3V
AFVI
D8
T5V
RSSI
C14
A5
VREF
ATX
TMUT
TMUT
BATV
MD2
+5V
BATV
DAST
B12
+5V
DRES
CBI0
CLO
RES
C5
PWON
NWC
R3
CBI0
VCC
CLI
SSO
RLED
VOXV
REF
HV
+3.3V
MCG1
+5V
DAST
SSO
A5
C5
7P
CBI3
PWON
TLED
R5V
+5V
SCK
VCC
DPDN
N4
B15
RSSI
PLST
POSWH
XPTT
C15
SQIN
T5V
PWON
RXD0
UNLK
CBI1
VCON
CPUV CPUV
DAFO
ESCL
DMOSI
BATV
PWON
RXC
VREF VREF
TEMP
C15
DRES
RLED
D8
DSS
+3.3V
NOIS
D13
T5V
DPDN
T5V
+5V
TEMP
RES
S5C
+5V
M14
NMI
P15
AFVO
BEEP
RES
VCC +5V
+5V
+5V
+5V
VCC
ADS
HV
VREF
DSIRQ
LIMITTER
PLSW
ESCL
AFON TXD0
DAST
ESDA
PLST
Ana
AFVI
MCG0
PWON DMOSI
BATV
TEMP
VOXV
TXC
DMISO
POSWH
RLED
CBI1
300Hz HPF
DSS
A
BTL AMP
DPDN
CBI0
DRES
NWC
B
NOIS ADS RMUT
DSCK
LVIN
RSSI
SIDE1
A
B
CBI3
RXD0
S5C
L:Dig/H:Ana
5V REG
VOX AMP
SSO
MIC AMP
MCG1 IPTT
D
3.3V DC-DC
C
XPTT SCK BEEP
RXC
6dB/oct
TMUT TLED
Dig
SIDE2
CSFT
CBI2
ATX
UNLK
SCK0
ALC(Digital Only)