![background image](http://html.mh-extra.com/html/icom/ic-m302/ic-m302_service-manual_612751018.webp)
[MAIN UNIT]
IC1
1110003490
S.IC
TA31136FN (D,EL)
T
IC2
1110005320
S.IC
NJM13403V-TE1
T
IC3
1110003650
S.IC
NJM2211M-TE1
T
IC4
1150002170
IC
S-AV35 (I)
T
IC6
1110003090
IC
LA4425A
T
IC7
1140003830
S.IC
TC4W66F (TE12L)
T
IC8
1130007610
S.IC
µPD3140GS-E1 (DS8)
T
IC9
1110002020
IC
TA7805S
T
Q1
1580000540
S.FET
3SK131-T2-LA
T
Q2
1580000540
S.FET
3SK131-T2-LA
T
Q4
1530002600
S.TRANSISTOR
2SC4215-O (TE85R)
T
Q5
1530002850
S.TRANSISTOR
2SC4116-BL (TE85R) T
Q11
1530002850
S.TRANSISTOR
2SC4116-BL (TE85R) T
Q12
1590000430
S.TRANSISTOR
DTC144EUA T106
T
Q13
1530002920
S.TRANSISTOR
2SC4226-T1 R25
T
Q14
1530002920
S.TRANSISTOR
2SC4226-T1 R25
T
Q15
1530002600
S.TRANSISTOR
2SC4215-O (TE85R)
T
Q16
1530002600
S.TRANSISTOR
2SC4215-O (TE85R)
T
Q17
1530002600
S.TRANSISTOR
2SC4215-O (TE85R)
T
Q18
1530002920
S.TRANSISTOR
2SC4226-T1 R25
T
Q20
1590000430
S.TRANSISTOR
DTC144EUA T106
T
Q21
1590000670
S.TRANSISTOR
FMW1 T148
T
Q22
1590000680
S.TRANSISTOR
DTC114EUA T106
T
Q23
1510000920
S.TRANSISTOR
2SA1577 T106 Q
T
Q25
1590000430
S.TRANSISTOR
DTC144EUA T106
T
Q26
1530002600
S.TRANSISTOR
2SC4215-O (TE85R)
T
Q31
1510000920
S.TRANSISTOR
2SA1577 T106 Q
T
Q32
1590000430
S.TRANSISTOR
DTC144EUA T106
T
Q33
1510000920
S.TRANSISTOR
2SA1577 T106 Q
T
Q34
1590000430
S.TRANSISTOR
DTC144EUA T106
T
Q35
1520000460
S.TRANSISTOR
2SB1132 T100 R
T
Q36
1530002850
S.TRANSISTOR
2SC4116-BL (TE85R) T
D1
1710001080
DIODE
XB15A308
T
D2
1710001080
DIODE
XB15A308
T
D4
1720000260
S.VARICAP
1SV214 (TPH2)
T
D5
1720000260
S.VARICAP
1SV214 (TPH2)
T
D6
1720000260
S.VARICAP
1SV214 (TPH2)
T
D7
1720000260
S.VARICAP
1SV214 (TPH2)
T
D9
1750000470
S.DIODE
1SS321 (TE85R)
T
D11
1790000620
S.DIODE
MA77 (TX)
T
D12
1790000620
S.DIODE
MA77 (TX)
T
D13
1750000710
S.VARICAP
HVC350BTRF
T
D14
1750000710
S.VARICAP
HVC350BTRF
T
D16
1790000620
S.DIODE
MA77 (TX)
T
D17
1790000620
S.DIODE
MA77 (TX)
T
D21
1790000690
S.DIODE
HSM88ASR-TR
T
D22
1790000690
S.DIODE
HSM88ASR-TR
T
D25
1790000700
DIODE
DSA3A1
T
D26
1750000150
S.DIODE
DA204K T146
T
FI1
2030000270
MONOLITH
FL-363 (21.7 MHz)
T
FI2
2030000270
MONOLITH
FL-363 (21.7 MHz)
T
FI3
2020001680
CERAMIC
ALFY450E
T
X1
6070000200
DISCRIMINATOR CDBLA450KCAY24-B0 (CDB450C24)
T
X2
6050011760
S.XTAL
CR-768 (21.250 MHz)
T
L1
6110001600
COIL
LA-243
T
L2
6110001600
COIL
LA-243
T
L3
6110001600
COIL
LA-243
T
L6
6150003820
COIL
LS-440
T
L7
6150003820
COIL
LS-440
T
L8
6150003820
COIL
LS-440
T
L9
6150003820
COIL
LS-440
T
L10
6200010090
S.COIL
ELJND R82JF
T
L12
6200009620
S.COIL
MLG1608B 68NJ-T
T
L13
6200009620
S.COIL
MLG1608B 68NJ-T
T
L21
6200003710
S.COIL
NL 252018T-2R7J
T
L22
6200008190
S.COIL
0.25-1.9-8TL 80N
T
L23
6200009560
S.COIL
MLG1608B R10J-T
T
L26
6200009560
S.COIL
MLG1608B R10J-T
T
L28
6200009680
S.COIL
MLG1608B 47NJ-T
T
L29
6200009680
S.COIL
MLG1608B 47NJ-T
T
L31
6110001670
COIL
LA-253
T
L32
6170000230
COIL
LW-25
T
L35
6200009560
S.COIL
MLG1608B R10J-T
T
L36
6200009560
S.COIL
MLG1608B R10J-T
T
R4
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R5
7030003630
S.RESISTOR
ERJ3GEYJ 393 V (39 k
Ω
) T
S.=Surface mount
6 - 2
REF
ORDER
DESCRIPTION
M.
NO.
NO.
[MAIN UNIT]
R6
7030003640
S.RESISTOR
ERJ3GEYJ 473 V (47 k
Ω
) T
R7
7030003410
S.RESISTOR
ERJ3GEYJ 561 V (560
Ω
) T
R8
7030004050
S.RESISTOR
ERJ3GEYJ 1R0 V (1
Ω
) T
R9
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R10
7030003260
S.RESISTOR
ERJ3GEYJ 330 V (33
Ω
) T
R12
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R14
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R16
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R21
7030003320
S.RESISTOR
ERJ3GEYJ 101 V (100
Ω
) T
R25
7030003820
S.RESISTOR
ERJ3GEYJ 155 V (1.5 M
Ω
) T
R26
7030003640
S.RESISTOR
ERJ3GEYJ 473 V (47 k
Ω
) T
R27
7030003600
S.RESISTOR
ERJ3GEYJ 223 V (22 k
Ω
) T
R28
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R31
7030003200
S.RESISTOR
ERJ3GEYJ 100 V (10
Ω
) T
R32
7030003540
S.RESISTOR
ERJ3GEYJ 682 V (6.8 k
Ω
) T
R33
7030003450
S.RESISTOR
ERJ3GEYJ 122 V (1.2 k
Ω
) T
R34
7030003450
S.RESISTOR
ERJ3GEYJ 122 V (1.2 k
Ω
) T
R35
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R36
7030003460
S.RESISTOR
ERJ3GEYJ 152 V (1.5 k
Ω
) T
R37
7030003400
S.RESISTOR
ERJ3GEYJ 471 V (470
Ω
) T
R38
7030003480
S.RESISTOR
ERJ3GEYJ 222 V (2.2 k
Ω
) T
R41
7030003660
S.RESISTOR
ERJ3GEYJ 683 V (68 k
Ω
) T
R42
7030003400
S.RESISTOR
ERJ3GEYJ 471 V (470
Ω
) T
R43
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R44
7030003390
S.RESISTOR
ERJ3GEYJ 391 V (390
Ω
) T
R45
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R46
7030003460
S.RESISTOR
ERJ3GEYJ 152 V (1.5 k
Ω
) T
R47
7510001510
S.THERMISTOR
NTCG16 4LH 223KT
T
R48
7030003640
S.RESISTOR
ERJ3GEYJ 473 V (47 k
Ω
) T
R49
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R50
7030003730
S.RESISTOR
ERJ3GEYJ 274 V (270 k
Ω
) T
R51
7030003460
S.RESISTOR
ERJ3GEYJ 152 V (1.5 k
Ω
) T
R53
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R55
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R56
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R57
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R58
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R61
7030003580
S.RESISTOR
ERJ3GEYJ 153 V (15 k
Ω
) T
R62
7030003580
S.RESISTOR
ERJ3GEYJ 153 V (15 k
Ω
) T
R63
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R64
7030003760
S.RESISTOR
ERJ3GEYJ 474 V (470 k
Ω
) T
R65
7030003700
S.RESISTOR
ERJ3GEYJ 154 V (150 k
Ω
) T
R66
7030003490
S.RESISTOR
ERJ3GEYJ 272 V (2.7 k
Ω
) T
R67
7030003390
S.RESISTOR
ERJ3GEYJ 391 V (390
Ω
) T
R68
7030003860
S.RESISTOR
ERJ3GE JPW V
T
R71
7030003280
S.RESISTOR
ERJ3GEYJ 470 V (47
Ω
) T
R72
7030003760
S.RESISTOR
ERJ3GEYJ 474 V (470 k
Ω
) T
R73
7030003640
S.RESISTOR
ERJ3GEYJ 473 V (47 k
Ω
) T
R74
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R75
7030003630
S.RESISTOR
ERJ3GEYJ 393 V (39 k
Ω
) T
R76
7030003580
S.RESISTOR
ERJ3GEYJ 153 V (15 k
Ω
) T
R78
7030003480
S.RESISTOR
ERJ3GEYJ 222 V (2.2 k
Ω
) T
R81
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R82
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R83
7030003410
S.RESISTOR
ERJ3GEYJ 561 V (560
Ω
) T
R84
7030003640
S.RESISTOR
ERJ3GEYJ 473 V (47 k
Ω
) T
R85
7030003360
S.RESISTOR
ERJ3GEYJ 221 V (220
Ω
) T
R86
7030003320
S.RESISTOR
ERJ3GEYJ 101 V (100
Ω
) T
R87
7030003620
S.RESISTOR
ERJ3GEYJ 333 V (33 k
Ω
) T
R88
7030003600
S.RESISTOR
ERJ3GEYJ 223 V (22 k
Ω
) T
R89
7030003680
S.RESISTOR
ERJ3GEYJ 104 V (100 k
Ω
) T
R91
7030003320
S.RESISTOR
ERJ3GEYJ 101 V (100
Ω
) T
R92
7030003390
S.RESISTOR
ERJ3GEYJ 391 V (390
Ω
) T
R93
7030003550
S.RESISTOR
ERJ3GEYJ 822 V (8.2 k
Ω
) T
R94
7030003350
S.RESISTOR
ERJ3GEYJ 181 V (180
Ω
) T
R95
7030003550
S.RESISTOR
ERJ3GEYJ 822 V (8.2 k
Ω
) T
R96
7030003420
S.RESISTOR
ERJ3GEYJ 681 V (680
Ω
) T
R97
7030003660
S.RESISTOR
ERJ3GEYJ 683 V (68 k
Ω
) T
R102
7030003320
S.RESISTOR
ERJ3GEYJ 101 V (100
Ω
) T
R103
7030003620
S.RESISTOR
ERJ3GEYJ 333 V (33 k
Ω
) T
R106
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R107
7030003270
S.RESISTOR
ERJ3GEYJ 390 V (39
Ω
) T
R108
7030003480
S.RESISTOR
ERJ3GEYJ 222 V (2.2 k
Ω
) T
R109
7030003390
S.RESISTOR
ERJ3GEYJ 391 V (390
Ω
) T
R110
7030003200
S.RESISTOR
ERJ3GEYJ 100 V (10
Ω
) T
R111
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R112
7030003560
S.RESISTOR
ERJ3GEYJ 103 V (10 k
Ω
) T
R113
7030003280
S.RESISTOR
ERJ3GEYJ 470 V (47
Ω
) T
R116
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R117
7030003320
S.RESISTOR
ERJ3GEYJ 101 V (100
Ω
) T
R122
7030003200
S.RESISTOR
ERJ3GEYJ 100 V (10
Ω
) T
R123
7030003440
S.RESISTOR
ERJ3GEYJ 102 V (1 k
Ω
) T
R124
7030003340
S.RESISTOR
ERJ3GEYJ 151 V (150
Ω
) T
R126
7030003720
S.RESISTOR
ERJ3GEYJ 224 V (220 k
Ω
) T
R127
7030000340
S.RESISTOR
MCR10EZHJ 470
Ω
(471) T
R130
7030001110
S.RESISTOR
MCR50JZHJ 68
Ω
(680) T
R131
7030000420
S.RESISTOR
MCR10EZHJ 2.2 k
Ω
T
R132
7030000420
S.RESISTOR
MCR10EZHJ 2.2 k
Ω
T
REF
ORDER
DESCRIPTION
M.
NO.
NO.
M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)
Summary of Contents for IC-M302
Page 1: ...SERVICE MANUAL VHF MARINE TRANSCEIVER M302 ...
Page 29: ... BOTTOM VIEW DS4 DS5 DS7 DS6 DS2 DS3 9 4 ...
Page 30: ...J 1 R 1 1 5 HVS VOL1 VOL2 GND HV J1 to the MAIN unit W1 9 3 VR BOARD TOP VIEW BOTTOM VIEW 9 5 ...
Page 31: ...J 1 R 1 1 3 SQLI SQLV GND J1 to the MAIN unit W1 9 4 SQL BOARD TOP VIEW BOTTOM VIEW 9 6 ...
Page 32: ...9 7 R1 R3 R2 S2 S3 S4 R4 9 5 HM 141 TOP VIEW ...
Page 33: ...9 8 BOTTOM VIEW C1 S1 ...
Page 40: ......
Page 41: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14011IZ C1 2003 Icom Inc ...