Icom ID-4100A Service Manual page 39
Dual band transceiver
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Also See for ID-4100A:
- Manual (36 pages) ,
- Basic manual (80 pages) ,
- Advanced manual (273 pages)
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• MAIN UNIT ( 3/8 )
VCC
8V
5VS
3.3 V
3VS
R307
1k
R308
J100
EP100
MMZ1005Y102CT
8V
1
1k
EP101
MMZ1005Y102CT
MICU/D
2
EP102
MMZ1005Y102CT
3
EXTMIC
EP103
MMZ1005Y102CT
PTT
4
R330
MICE
5
0
EP105
MMZ1005Y102CT
MIC
6
EP106
MMZ1005Y102CT
7
GND
EP107
MMZ1005Y102CT
MICIN
8
R5C1
R5C1
DTCSIN
DTCSIN
WXALT
RSSI
RSSI
SQL
SQL
3VS
3VS
VOL_DATA
VOL_CK
VOL_CK
CLONE
CLONE
DTMF
DTMF
AMC
AMC
WN_SEL1
WN_SEL1
DTMUTE
DTMUTE
REFC
REFC
R317
330k
MICMUTE
MICMUTE
DTCS
DTCS
DTCS_SEL
DTCS_SEL
AFMUTE
AFMUTE
98_DATA
98_DATA
MIC_PTT
MIC_PTT
MICSEL
MICUD
MICUD
BTAF
BTAF
RMUTE
RMUTE
VOX
DAF
C525
R344
DAF
DA_STB2
1
15k
DA_STB2
DA_DATA
DA_DATA
DA_CK
DA_CK
MAIN_DASEL
MAIN_DASEL
PLAY
PLAY
MIC1
MIC1
MIC2
MIC2
DASEL
DASEL
R321
BTMIC
2.2k
BTMICSW
DV BUFF
ALCO
CLONE
MICUD
MMZ1005Y102CT
MICSEL
EP113
EP111
R322
MPZ1608S221A
2.2k
MIC_PTT
SP1
Q102
2SC4738
1
1
2
2
J103
3VS
98_DATA
DA_DATA
DA_CK
DA_STB2
IC102
1
VIN2
2
VDD
3
LD
4
CLK
5
DI
6
VIN3
R2A20178
IC100
1
14
I/O1
VDD
2
13
O/I1
CONT1
3
12
O/I2
CONT4
4
11
I/O2
I/O4
5
10
CONT2
O/I4
6
9
CONT3
O/I3
7
8
VSS
I/O3
R348
TC74VHC4066AFK
2.2k
R343
1
220k
C862
C536
0.047
R477
10k
C526
0.018
DTMF
Q100
LDTC144EE
R190
56k
IC14
ALC:ID-31
1
14
GAIN1
IN
2
13
R153
C543
C544
GAIN2
GAINSW
1
3
12
C552
DET
INT
4
11
R335
0
OUT
SENSE
1
5
10
C553
R331
R332
R191
BUFFIN
VREF
6
9
BUFFGAIN
V+
7
8
1k
47k
150k
BUFFOUT
GND
NJM2783V
R382
100k
5
C593
1
C566
4
0.1
3
13.7 V
1
IC107
2
NJU7056F3
LA4425A
IC106
C601
5
C590
0.1
R376
1
R359
C557
4
0.1
15k
0.1
C598
2
C603
0
470
3
0.1
R383
Q106
RUM002N02
22k
R616
100
IC103
1
8
R453
2
7
3
6
47k
4
5
R414
R455
100
NJU7057RB1
150k
R772
C860
0.068
470
CTCSS,DTCS
C857
R614
100P
150k
R609
150k
IC112
1
14
R613
2
13
3
12
390P
2.2k
4
11
C855
5
10
6
9
7
8
R325
NJU7058V
33k
R304
150k
C876
1
0.1
10k
1
100k
R427
5.0 V
4.7k
R428
C602
R431
10
C607
3.9k
10
C637
C643
0.0039
0.0018
Q112
4
5
6
DMC506010R
C634
1
1ch : DVFO
2ch : FM,AF
3ch : unused
4ch : unused
R439
0
0.1
C614
R405
4.7k
100k
0.0033
R409
C615
3.3 V
MAIN_DASEL
DTMUTE
C519
10
R632
39k
Q149
LDTC144EE
* Refer to the PARTS LIST for the value and name of component.
10-4
5VS
1 : 4.2 V
2 : 0.4 V
3 : 1.1 V
4 : 4.3 V
5 : 4.6 V
6 : 7.9 V
C658
R463
R465
3
0.01
22k
12k
2
1
Q139
AMC
LDTC114YE
3VS
R458
R456
C672
DDET
33k
10k
1
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