Icom IC-M304 Service Manual

12 - 1
SECTION 12 HM-164B/SW/G
MP8(C)
MP14(C)
W1(C)
MP2(C)
MP17(C)
MP16(C)
MP19(C)
MP4(C)
MP5(C)
MP20(C)
MC1(M)
MP3(C)
MP12(C)
MP7(C)
MP1(C)
MAIN UNIT
MP9(C)
MP6(C)
MP13(C)×5
MP15(C)×5
• CHASSIS PARTS LIST
REF ORDER
DESCRIPTION QTY.
NO. NO.
W1 8900012212 OPC-1249B [Black] 1
8900013570 OPC-1406 [Super White] 1
8900012502 OPC-1285B [Gray] 1
MP1 8210023240 2995 FRONT PANEL [Black] 1
8210023250 2995 FRONT PANEL (A) [Super White] 1
8210023660 2995 FRONT PANEL (B) [Gray] 1
MP2 8210020120 2715 REAR PANEL [Black] 1
8210021240 2715 REAR PANEL (C) [Super White] 1
8210020380 2715 REAR PANEL (B) [Gray] 1
MP3 8930060910 2715 KEY [Black], [Super White] 1
8930061150 2715 KEY (A) [Gray] 1
MP4 8930060920 2715 PTT RUBBER [Black], [Super White] 1
8930061160 2715 PTT RUBBER (A) [Gray] 1
MP5 8930061970 2715 A-PTT HOLDER 1
MP6 8930060940 2715 RUBBER [Black], [Super White] 1
8930061810 2715 RUBBER (A) [Gray] 1
MP7 8930060930 2715 MAIN SEAL 1
MP8 8610011600 2715 HANGER KNOB 1
MP9 8930060951 2715 BUSH PLATE-1 1
MP10 8930060990 2715 MIC SHEET 1
MP11 8930061000 2715 MIC TAPE 1
MP12 8930070800 2715 VENT SHEET 1
MP13 8930060960 O-RING (AY) 5
MP14 8930060970 O-RING (AZ) 1
MP15 8820001260 2715 SCREW 2.6X18 SUS 5
MP16 8810010230 Screw BiH M4X8 ZK 1
MP17 8850002000 SPRING WASHER M4 SUS 1
MP19 8810010240 Screw BT B0 2X6NI 2
MP20 8930061700 2715 PTT PLATE 1
S3
MC1
W2
1
C
W1
S4
2C
1
1
2
2
3
3
4
4
5
5
1R
R3
R2
R4
L4
12k
470p
0.022
0.22u
0.22u
6.8k
15k
33k
S2
S1
L3
[PTT]
[Y]
[Z]
[HI/LO]
PTT
MICG
MIC
GND
KEYM
W1 (CHASSIS)
UP ON 2.0V
DN ON 3.0V
HI/LO ON 3.8V
M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)
S.=Surface mount
• MAIN UNIT PARTS LIST
REF ORDER
DESCRIPTION M.
H/V
NO. NO.
LOCATION
L3 6180003720 COL SP0203-R22K-PF 0.22U
L4 6180003720 COL SP0203-R22K-PF 0.22U
R1 7010007590 RES RD1/4S 123JTA
R2 7010007600 RES RD1/4 682JTA
R3 7010007610 RES RD1/4 153JTA
R4 7010007620 RES RD1/4 333JTA
C1 4030018660 S.CER C1608 JB 1H 223K-T B 36.85/70.8
C2 4030018670 S.CER C1608 CH 1H 471J
MC1 7700002640 MIC KUC3523-040245
S1 2260002780 SW SKHHLPA010
S2 2260002790 SW SKHHAMA010
S3 2260002790 SW SKHHAMA010
S4 2260002790 SW SKHHAMA010
W1 9027150010 WIR 71/98/010/X98/X98
W2 9027150010 WIR 71/98/010/X98/X98
62.5 (2
15
/
32
)
UNIT; mm (inch)
88 (3
15
/
32
)
42 (1
21
/
32
)
5.5 (
7
/
32
)
Screw abbreviations A, B0, BT: Self-tapping PH: Pan head
ZK: Black NI-ZU: Nickel-Zinc SUS: Stainless
• EXPLODED VIEW
• VOLTAGE DIAGRAM
• DIMENTIONS
• REPLACEMENT UNIT
ORDER NO. UNIT NAME
Optional product
Optional product
Optional product
HM-164B
[Black]
HM-164SW
[Super White]
HM-164G
[Gray]
M304A3.indd16-17 12/27/200612:28:25PM

Icom IC-M304 Specifications

General

Brand	Icom
Model	IC-M304
Category	Transceiver
Language	English