Icom IC-M91D Service Manual Addendum

August 2012
10
• MAIN UNIT (2/2)
*: Refer to the PARTS LIST for the value and name of component.
5.01V
1.83V
1.12V
LEVEL7 : 4.64V
3.30V
352mVp-p
7.98MHz
R341
10K
KEY
S320
KEY
S321
KEY
S322
KEY
S323
KEY
S324
KEY
S325
KEY
S326
100K
R395
KEY
S327
KEY
S328
R343
10K
CR-834
X360
DS240
SML-512WW
DS241
SML-512WW
DS242
LNJ426W83RA
DS243
LNJ426W83RA
DS244
LNJ426W83RA
DS245
LNJ426W83RA
L1SS400
D355
1
C227
L2SC4081
Q350
L2SA1576AS
Q361
L1SS400
D350
R353
47k
0.01
C351
NJU7772F33
IC220
1
VIN
2
GND
3
CTRL
4
NC
5
VOUT
1k
R361
SN74AUP1T17DCKR
IC372
1
2
3
4
5
LDTC144EE
Q380
100k
R531
0.1
C545
10
C600
KEY
S330
KEY
S331
KEY
S329
KEY
S332
R235
220k
TEST2
CP362
TEST1
CP361
R340
10k
0.001
C387
100k
R600
100k
R601
0.33
C524
3.3M
R606
100k
R605
0.1
C601
0.1
C602
0.1
C603
0.1
C604
0.1
C605
0.1
C606
0.1
C607
0.1
C608
0.1
C609
0.1
C610
0.1
C611
0.1
C612
J260
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0.001
C228
0.047
C361
0.047
C393
0.047
C365
0.047
C366
0.047
C363
0.047
C364
0.01
C340
0.22
C435
KEY
S333
0.001
C229
0.1
C230
NJU7704F3
IC341
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
0.027
C341
J271
12
34
56
78
910
DS247
SML-512WW
TPS62400DRCR
IC383
1
ADJ2
2
MODE/DATA
3
VIN
4
FB1
5
DEF_1
6
SW1
7
EN1
8
GND
9
EN2
10
SW2
11
0.001
C620
0.1
C621
10
C615
10
C616
10
C618
1
C617
1
C619
BLM18RK102SN1
EP11
BLM18RK102SN1
EP12
10
C622
4.7U
L103
2.2U
L104
2.2U
L105
120k
R620
100k
R621
33P
C623
120k
R622
240k
R623
NJU7772F05
IC384
1
VIN
2
GND
3
CTRL
4
NC
5
VOUT
R236
56k
4.7
R624
220k
R625
220
R626
KTA1664
Q240
L2SC4081
Q382
0.001
C624
0.1
C625
DZ2J033M0L
D359
0
R627
2.2
C525
2.2
C526
10k
R628
CP10S
CP10
CP10S
CP11
CP10S
CP12
CP10S
CP13
CP10S
CP14
CP10S
CP15
LNJ426W83RA
DS248
LNJ426W83RA
DS249
J280
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
3.9
R638
22
R637
150
C634
TC7WH14FK
IC364
1
2
3
4
5
6
7
8
BR24T256FJ
IC340
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
SML-512WW
DS250
TEST3
CP363
R618
270
R240
270 270
R248
270
R639
2.2k
R242
2.2k
R243
2.2k
R244
2.2k
R241
2.2k
R629
2.2k
R630
24P
C370
24P
C371
R351
1k
1k
R352
47k
R449
27k
R641
12k
R640
STM32F100ZET6B(FX-3338A-2)
IC360
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
DB0
DB1
DB2 DB3 DB4 DB5 DB6 DB7 WR0
CD
CS
RESETB EXPTTIN
MONI
PTTIN
S4
S3
DTEST
PON
T5VS
TXMS
RVS
RINTM
AFVS SPON
LOW
PTTM M5VS
AFVCTRL
TRACECK TRACED0 TRACED1 TRACED2 TRACED3 WETIN UP DOWN LEFT RIGHT ENT CLR MENU CH16 DIST S1 S2 NRST
ECK
EDATA
DSCOUT1
BEEP
NOISEV
RSSIV
EXTDET
BATTV
SDATA
SCK
SDATAO
SCKO
DASTBO PLSTBO
NC_BUSY
MICMS G_HIB
G_WKUP
JTMS
DSCIN
JTCK
JTDI
G_TXD
G_RXD
JTDO
NJRST
UNLK
NC_RESET
NC_PDN_PTT
PWSW
EDATA
CLOTXD CLORXD EXTDET
PLSTB
DASTB
ECK
G_WKUP
S1
S2
S3
S4
CLR
UP
MENU
RIGHT
ENT
LEFT
CH16
DOWN
MONI
BATTV
TEMPV TDETV LOINV WDECV
CLOTXD
CLORXD
CSHIFT
NRST
G_RXD
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
CS
RESETB
CD
WR0
DIMM
PSW
DIMM
BOOT
BOOT
LEDV
G_TXD G_HIB
MUTE
S3V
SCKO
PLSTBO
PTTIN
MODC UNLK
SDATAO
LOINV TEMPV
FCON
MOD
PW
LEDV T5VS TXMS
NOIZU
LOW SQL
WETIN
M5VS
DET
T1CON RSSIV
DIST
TDETV
RVS
VER
VER
CSHIFT
VCC
VCC
CPU3V
CPU3V

Icom IC-M91D Specifications

General

Brand	Icom
Model	IC-M91D
Category	Transceiver
Language	English