Icom IC-M91D Service Manual Addendum

August 2012
9
• MAIN UNIT (1/2)
*: Refer to the PARTS LIST for the value and name of component.
INT SP : 4.68V
EXT SP : 7.36V
ON : 3.30V
OFF : 0.00V
INT SP : 0.00V
EXT SP : 3.30V
INT SP : 0.00V
EXT SP : 3.30V
TX EXT :0.00V
TX INT :3.30V
RX :0.00V
TX EXT :3.27V
TX INT :0.00V
RX :0.00V
V17.1
V27.1
1.75V
1.75V
R192
390
R193
470
R194
100K
R202
100K
R204
4.7K
R206
18K
R212
1.5K
R214
15K
R252
33K
R257
4.7K
R258
4.7K
R277
100K
R278
1K
R300
6.8K
R377
82K
R378
82K
R379
82K
R376
100K
CD4066BPWR
IC260
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
100K
R387
470K
R388
47K
R391
M62364FP
IC190
1
VIN1
2
VOUT1
3
VOUT2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VOUT3
11
VOUT4
12
VIN4
13
VIN5
14
VOUT5
15
VOUT6
16
VIN6
17
DO
18
VDAREF
19
RESET
20
GND
21
VIN7
22
VOUT7
23
VOUT8
24
VIN8
R201
2.2K
R251
270
R273
22K
R272
120K
R279
1.5K
MC250
EM6027P
10K
R431
KTC811U
Q231
1 2 3
4 5 6
4.7K
R450
LDTC144EE
Q354
LDAN222
D358
47k
R415
4.7k
R458
4.7k
R459
10k
R460
NJM2211M
IC365
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
7
DATA
8
FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
47
R500
470k
R501
100k
R503
39k
R504
0.01
C504
0.01
C500
0.1
C502
0.1
C506
0.0022
C503
0.0022
C507
0.22
C505
0.033
C501
4.7
C260
LDTC144EE
Q250
R250
10k
R253
2.7k
R256
18k
R203
180k
R207
39k
R213
100k
LMV324IPW
IC200
13
12
14
LMV324IPW
IC200
2
3
1
LMV324IPW
IC200
9
10
8
LMV324IPW
IC200
6
5
7
LMV324IPW
IC200
V+
4
GND
11
0.01
C404
R260
220k
R261
56k
R262
47k
TDA8547TS
IC362
1
GND1
2
NC
3
OUT1+
4
MODE
5
SVRR
6
SELECT
7
NC
8
OUT2+
9
NC
10
GND2
11
VCC2
12
NC
13
OUT2-
14
IN2-
15
IN2+
16
IN1+
17
IN1-
18
OUT1-
19
NC
20
VCC1
82k
R452
LDTC144EE
Q370
LDTC144EE
Q371
R271
24k
1k
R511
22k
R512
10k
R513
10k
R516
1k
R517
1
C511
1
C514
27k
R451
1
C515
R255
330k
R205
330
10
C192
10
C251
10
C282
0.1
C551
120k
R555
0.1
C567
100k
R557
0.0056
C552
100k
R552
22k
R556
10
C569
0.1
C564
1k
R572
470
R571
680
R570
100P
C553
0.1
C565
1k
R558
0.027
C554
0.1
C560
1.5k
R559
0.1
C568
0.1
C570
0.1
C566
10k
R550
0.1
C571
4.7k
R553
10k
R551
24k
R554
LMV324IPW
IC363
9
10
8
0.1
C574
0.1
C572
1
C550
0.1
C563
0.0033
C561
0.1
C573
LMV324IPW
IC363
13
12
14
0.033
C562
8.2k
R286
0.1
C577
LMV324IPW
IC363
V+
4
GND
11
LMV324IPW
IC363
6
5
7
LMV324IPW
IC363
2
3
1
TC7W53FK
IC366
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
TC7W53FK
IC380
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
390k
R515
150
C286
CSTCE8M19G55
X200
100k
R609
100k
R610
0.01
C191
0.01
C193
0.01
C262
0.01
C194
0.01
C200
0.1
C202
0.001
C206
0.1
C207
0.001
C252
0.027
C266
0.1
C283
0.1
C285
820P
C377
0.0047
C378
47P
C379
1
C382
1
C383
0.1
C384
0.01
C385
0.1
C433
J290
12
34
56
TPC6103
Q230
1 2 3
4 5
6
LC70301W
IC382
1
PLLAVDD
2
PDO2
3
PLLAVSS1
4
XVDD
5
XIN
6
XOUT
7
CVSS1
8
DVDD1
9
SOUT1/GPIO10
10
SIN1/GPIO11
11
LRCK1/GPIO8
12
BCK1/GPIO9
13
CVDD1
14
DVSS1
15
GPIO14
16
GPIO13
17
DPAD4
18
DPAD5
19
CVSS2
20
DPAD0
21
DPAD1
22
DPAD2
23
DPAD3
24
CVDD2
25
AVDD1
26
AOUT0
27
AVSS1
28
AOUT1
29
AVDD2
30
VREF
31
AVSS2
32
ATEST0
33
ATEST1
34
AVSS3
35
AINN
36
AINP
37
AVDD3
38
CVDD3
39
MUTE
40
GPIO15
41
BUSY/GPIO3/CS
42
DVSS2
43
DVDD2
44
SO/GPIO2/SCK
45
SCK/GPIO1/SI
46
SI/GPIO0/SO
47
CVSS3
48
MODE0
49
RESETB
50
PDN_PTT
51
PDNSTAT
52
CVSS4
53
MODE1
54
SOUT0/GPIO6
55
SIN0/GPIO7
56
DVDD3
57
DVSS3
58
LRCK0/GPIO4
59
BCK0/GPIO5
60
TEST
61
ACLK/GPIO12
62
CVDD4
63
PLLAVSS2
64
PDO1
4.7U
L100
4.7U
L101
CP10S
CP16
CP10S
CP17
10k
R631
10k
R632
0.0039
C264
180P
C265
0.047
C630
10
R633
2SA1832
Q251
15k
R634
0.1
C440
1.8k
R506
1
C632
R230
68k
100k
R412
10k
R413
1
C400
100k
R414
R289
1.2k
8.2k
R514
LDTC144EE
Q400
1M
R636
10k
R519
10k
R520
0.22
C512
0.1
C631
0.1
C633
22k
R510
16k
R505
2.2k
R270
10P
C650
100P
C651
10k
R518
0.22
C254
0.22
C232
4.7
C468
LDTC144EE
Q401
1M
R430
0.01
C205
2.2k
R635
MODC
SQL
T1CON
DSCIN DTEST
NC_PDN_PTT
NC_RESET
DET
DSCOUT1
DSCSET
MICO
VOLIN
VOL
FCON
DASTBO
SCKO
SDATAO
MSENS
MOD
PTTM MICMS RINTM PTTM
DSCSET
AFVS
AFV
SPON
EXTDET
NOIZU
PWSW
PW
PSW PON
DSCOUT1
WDECV
T5VS
VOLIN
BEEPO
NC_BUSY
SCKO
SDATAO
EXPTTIN
NOISEV
RXOUT
BEEP
BEEPO MUTE VOL
VCC
AFVCTRL
CPU3V

Icom IC-M91D Specifications

General

Brand	Icom
Model	IC-M91D
Category	Transceiver
Language	English