Icom IC-M24 Service Manual

10 - 2
• MAIN UNIT (2/2)
*: Refer to the PARTS LIST for the value and name of component.
TX:0.00V
RX:2.74V RX:0.00V
TX:2.67V
2.86V
1.94V
V67.
PON: 2.99V
POFF:0.00V
4V69.4:EGRAHC
TX:0.00V
RX:1.20V
TX:0.00V
RX:1.08V
RX:2.57V
TX:0.00V
V00.6:EGRAHC
TX:2.84V
RX:2.86V
TX:2.25V
RX:2.31V
RX:0.62V
TX:0.58V
4.5W:0.79V
1.0W:0.17V
RX:0.00V
TX:1.35V
RX:0.00V
TX:2.62V
TX:0.00V
RX:1.85V
TX:0.00V
RX:2.71V
1.0W:1.72V
4.5W:2.21V
2.62V
C95 22P
*C117
Q608
2SJ347
R383 12K
C69 47P
C160 0.0056
Q222
L2SA1576AS
R460 100
C97 2P
C441 0.001
DS248 SML-A12UT
R8
560
C73 0.001
R465 100
C131 11P
C380 0.001
C104 0.01
C182
4.7
R462
0
L92 LQN21A
R174 330K
L101
ELJRF
C54
15P
FI150
FL-368
R7
470
C463
0.1
C157 0.022
Q24
2SC4215
Q362
LDTC144EE
Q364
2SJ347
C96 0.001
C74
0.001
C37
0.75P
CP1
L102
22N
C462
0.1
Q3
2SK1069-4-TL-E
C52 0.001
R55 3.3K
R227
10K
R54 10
R476 10K
C39
12P
C61
10
C442
18P
Q606
RSQ035P03TR
1
2 3
4 5
6
D92 KDV214E
R235 330K
R647 10K
R627 2.2K
X1
CR-766
C179
270P
R171
2.7K
*C620
R156 470
D359 LRB551V-30
C456 0.001
Q25
2SC4215
C44 0.001
R651 10K
C455 27P
R23
220
R384
2.2K
C119 47P
C27 27P
C440 0.1
C11 10
C7 1
R652 220
C35 0.001
L80
0.30-1.7-7TL
C50 0.001
C12
0.001
L56
0.30-0.9-3TR
L98 LQH1N
C56 0.01
IC170
NJM2591V
1
OSCIN
2
OSCOUT
3
MIXOUT
4
V+
5
IFIN
6
DEC
7
FILOUT
8
FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
NOISEDET
14
NOISEREC
15
GND
16
MIXIN
J601
R463 100
R91 220K
C91 10P
Q353
RSQ035P03TR
1
2 3
4 5
6
C603 0.01
L81
0.26-1.1-7TR
C51
22P
C159
0.01
L1
NLV25T
R173
1.5K
C38 0.001
R6
47K
C84
11P
C461 0.1
C132 0.001
R236 150K
C453
0.001
C36 0.001
R611 4.7K
R225
10K
IC602
NJM2835DL1-05
IO
G
D90
HVD144A
C59
470P
R154
100K
D21
MA2S077G0
IC50
LMV321IDCK
1
2
3
4
5
L51
82N
CP300
L50 0.1U
C116
3P
C133
0.001
EP10
MPZ1608S221A
L107
0.30-1.7-7TL
R57 68
R69
10K
C449
24P
D357 EZJZ0V80010
C170 0.001
R111 100K
C155 3P
C120 0.022
IC601
NJW4100V
1
P_CHG
2
NFB
3
CNT
4
GND
5
NC
6
F-CHG
7
LED-G
8
LED-R
9
C1
10
C2
11
CHG-SW
12
TL
13
TH
14
TDET
15
V+
16
VREF
17
VS
18
CS2
19
CS1
20
Q-CHG
D360
LRB551V-30
R56 1.2K
C457 10P
C20 0.001
R464 100
C15 0.001
R641 2.2K
R75 100
R80 82K
R155 2.2K
Q357
LDTC144EE
C458 15P
R52 2.2K
R30 68K
L103
ELJRF
MP20 2601
1
2
3
4
C111 0.001
D51
HVD144A
D50
HVD144A
R628
1
C391 0.001
D610
LRB551V-30
R639 10K
L93 LQN21A
R27 8.2K
Q225
KTA1664
R22
4.7K
D52
1SV307
IC220
NJU7772F03
1
VIN
2
GND
3
CTRL
4
NC
5
VOUT
C90 9P
C63 0.01
R103 10K
R223
10K
R477
10K
Q55
RD07MUS2B-T112
D1 HVC376B-E
Q50
KTC3770U
R458
4.7K
C454 91P
R386 10K
R467 56K
R642 470
R461 220
Q365
LDTA144EE
C34
1.5P
R469
10K
C230 0.1
R47
3.9K
DS247 RT3-234HRH16T-BNS
L104 0.30-1.3-5TL
C57
0.1
C452 47P
C78 0.1
R50 1K
C9 2P
C222 0.01
R105 220K
R76 100
R10 560
R109 10
R31 220
L108
0.30-1.7-7TL
Q363
RSQ035P03TR
1
2 3
4 5
6
C8 2P
C77 0.1
R1 NTCG16
C42
5P
R4
47K
R122 150K
C466 10
R26 6.8K
CP240
C110 33P
L58 NLV25T
EP2 MPZ1608S221A
C608 0.047 C223 0.01 C606 0.1
C98
2P
R170
390
C71 27P
R71 100
C94
5P
IC1
MB15E03SLPFV1-G-BND-E1
1
OSCI
2
OSCO
3
VP
4
VCC
5
DO
6
GND
7
XFIN
8
FIN
9
CLK
10
DAT
11
LE
12
PS
13
ZC
14
L/F
15
P
16
R
R172
470
L90
0.30-1.7-7TL
R81
100K
R380 10K
Q151
KTC3880S
D604 LM3Z3V0
C24 0.22
C65
47P
R648 0
R53 100
R471 0
C616 47P
R640 10K
C121 0.001
L106
0.30-1.3-5TL
*C621
R33 39K
C70 91P
C465 10
C5 15P
R610 10K
R74 56K
C55 27P
D601
LRB551V-30
C225 0.47
C177 0.1
C26 36P
Q221
L2SA1576AS
R25
100K
L26
82N
R381
10K
D612 L1SS400
R24 100K
R5 330
Q22
KTC3770U
C390 0.001
C460 0.001
C89
7P
R96 270K R97 220
Q354
LDTC144EE
R382
2.7K
C31 0.001
R115 390K
L82
0.30-1.4-6TL
FI151
FL-399A
R609 1K
D93 KDV214E
X170
JTBM450CX70
C25 0.001
R608
10K
R65
150K
Q603
LDTC144EE
D358
LDAN222
C82 18P
R70 150K
C41 0.001
C444
0.001
C72
0.001
FI170
LTM450FW
IO
L55 0.30-1.3-5TL
L21
NLV25T
R104 100K
R120
2.2K
EP8 MMZ1005A152ET
R20 100
R228
180K
D131 KDV214E
Q150
3SK293
C21 9P
D353
DB2S31400
C103 47P
L105
0.30-0.9-3TR
C2 0.01
EP11 MMZ1005Y102CT
R152
1K
R397 270K
C443 27P
C115 3P
Q609
LDTC144TE
R175
27K
C125 0.1
Q23
2SC4215
R95 120K
R13 10K
R68
100
C611 4.7
R3
10K
R12
10K
*C618
C156
0.001
C176 0.001
R153
1K
R457 10K
Q366
LDTC144EE
C53 0.001
Q20
LDTC144EE
L97 LQN21A
C181
0.1
C62 0.001
L100
47N
R607 470
C114 47P
C92
47P
R66 68K
C99 27P
D22
HVB350BYPTL-E
1
2
3 4
C445 18P
C610 0.33
C171 47P
L53 0.1U
Q53
RD01MUS2
C32
1.5P
Q21
KTC3770U
R602
1
C174 0.001
C67 470P
C28 0.001
L20
82
C450 56P
EP3 MPZ1608S221A
R32 150
C101
6P
L99
56N
C83 22P
R401 100K
CP80
C30 0.001
*C622
R475 10K
C6 0.001
C607 0.01
R466
10K
C86 9P
D20
MA2S077G0
R94 220K
C451 470P
C112 2.5P
Q602
KTA1664
D91 RB706F-40
C113
0.75P
R73
10K
Q54
RD07MUS2B-T112
C4 10P
L57
0.30-1.3-5TL
R36 120
D609
L1SS400
L23 0.1U
C227 1
R35 39K
C609
0.001
C448 56P
R176
1K
D603
LRB551V-30
C3
220P
C64 0.001
C224 10
C109
0.001
C154
0.001
R113
10
R224
47K
R110 1.8K
C100 3P
R226 4.7K
R2 100K
IC365
6
5
7
C102 0.01
R398 10K
C80
0.001
C81 18P
R34 270
L22
C6342A
C40
15P
Q90
3SK294
C446 12P
R107 220K
L24 0.1U
CP245
C58
0.1
C229 0.001
C22 9P
R222
47K
L96 LQN21A
R28 100
C180
270P
C33 220P
C13 0.22
C60 0.001
Q224
KTC811U
1
2 3
4 5
6
R67
120K
C43
22P
R650 1M
C122
0.01
S329
C68 47P
D3
L1SS400
C85 24P
C615 150
C614
10
*C617
C66
0.001
R459 4.7K
C447
24P
R121
22K
J602
1
2
R11 470
C126 0.001
R93
10K
C228 0.001
Q351
LDTA144EE
L25 0.1U
D130 KDV214E
T3VS
R3VS
T1CON
SDATA
SCK
UNLK
DET
SQLO
PON
NOISV
RSSIV
CRESET
LEDI-R LEDI-G
PLSTB
CMODE CLONE
ELOW
LOW
TXMS
MODC
PCON
MOD
PS
LOINV
TEMPV
R3V
R3V
R3V
DCV
FCON
F
V3V
V3V
CPU3V
M3V
M3VS
TDETV
BTEMPV
PSW
VIN
BATTV
PWSW
T3V
T3V
T3V
HV
2nd Lo

Icom IC-M24 Specifications

General

Brand	Icom
Model	IC-M24
Category	Transceiver
Language	English