Icom IC-7300 Schematic Diagrams
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Also See for IC-7300:
- Full manual (173 pages) ,
- Service manual (76 pages) ,
- Basic manual (72 pages)
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GENERAL WIRING (GENERAL WIRING-1)
[ALC] [SEND] [ELE-KEY]
RF UNIT
!3 !3
W21
8910000500
FFC-1055 (P0.5N30L150)
FAN
[TUNER]
[DC]
4
2
3
1
W7
8900016990
OPC-1741(1.5DCOAXIAL110MM)
TXRF
J1001
J101
TXRF
TXRF
P4
P4
RXRF
J801
J1071
RXRF
RXRF
P4
W3
P4
8970024412
1.5DCOAXIAL330MM-2(T)C31/C31
PA UNIT
!6 !6 , , !7 !7
W22
8910000220
FFC-1024 (P0.5N40L120)
W24
8910000520
FFC-1056 (P0.5N40L100 S) TJM
FRONT UNIT
y
W1
8970024631
1.5DCOAXIAL170MM-1 C31/C31
J961
J1001
P4
P4
TUNER UNIT
!4 !4 , , !5 !5
W23
8910000530
FFC-1057 (P0.5N30L65 S)
6
5
W25
8900018810
OPC-1974
(P0.5N12L50)
14
13
J1803
J421
1
W11
4
8600037600
2
3
SX3765
3
2
P11*P12CH
4
1
(3765-1)
q
SCHEMATIC DIAGRAMS
[REMOTE]
[ANT]
[ACC]
[USB]
1
J771
2
3
2
4
USB+
USB-
4
3
2
1
4
1
3
8
8
7
6
5
7
12
12
11
10
9
11
13
13
MAIN UNIT
u, , i, , o, , !0 !0 , , !1 !1 , , !2 !2
4
3
CHASSIS
To upgrade quality, some components may be
subject to change without notice.
[EXT-SP]
A-7290-3EX-w
Printed in Japan
© 2015–2016 Icom Inc.
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Summary of Contents for Icom IC-7300
- Page 1 FFC-1057 (P0.5N30L65 S) 8900018810 8910000520 OPC-1974 FFC-1056 (P0.5N40L100 S) TJM (P0.5N12L50) CHASSIS J1803 J421 FRONT UNIT 8600037600 SX3765 P11*P12CH (3765-1) A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 2 PCLEK PCLEK SDDAT1 SDDAT0 SD BOARD To the MAIN UNIT SDCLK VDD(3R3V) J201 SDCMD SDDAT3 MAINDBK [MAIN DIAL] SDDAT2 MAINDAK A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
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Page 3: Tuner Unit
CTRL HPON13 Q1513 RUM002N02 Q3275/Q3276 2SK3018/KTC4075 NASBS ALC-CTRL Q1091 LDTC143 Q1093 LDTA114 D1091 L1SS400 HPR2S CTRL CTRL HPR8 RF UNIT A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc. -
Page 4: Main Unit
ASQLS Q643 LDTC143 IC641 CP2102GMR DSC7004S TR SW UCLKS BUFF FANV CTRL Q641 LDTC143 J611 IC125 MAIN UNIT NJM2904CRB1 [REMOTE] A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc. - Page 5 SDCLK/SDCMD/SDDAT3/SDDAT2 SD UNIT HT-191UYG PWRK PWRK PWRK LDTC143ZE PWRDS CTRL MICE MICE PHONE UNIT MICI MICI DISPLAY UNIT FRONT UNIT A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
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Page 6: Front Unit
EP455 SHORT MMZ1005S601CT L1SS400 EP12 MICE EP456 MPZ2012S601A MPZ2012S601A MICI EP457 FSENI TWPIRQ FTRAS MMZ1005S601CT Q492 Q493 DSC7004S0 R496 LDTA114EE A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc. - Page 7 HFID1VP CP121 SDDAT1 #6:VSS HFID1V CP122 SDCD #7:DAT0 NJM2904CRB1 SDWP R139 CP06S #8:DAT1 100K SD BOARD To the DISPLAY BOARD A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 8 SCPSS TDAT SCPX TDAT SCPX 100P SCPR SCPR TSTB1 TSTB1 TSTB2 MAIN-4 TSTB2 TSTB3 TSTB3 C463 TSTB4 100P C464 100P A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 9 J752 IC721 MP7741 Q746 TPCF8107 J761 EP761 MICI Q747 EP762 MPZ1608S601A MICE RUE002N02 MPZ1608S601A EP764 MPZ1608S601A MP721 3765 CP741 SHORT A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 10 DSPR SPCK DO(DQ1) HOLD(DQ3) DSPR SPCK DSPX R929 SPCK RSSI DSPX WP(DQ2) RSSI R930 SPDI DI(DQ0) MAIN-2 R926 MAIN-6 EN25QH32A A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 11 CASE-BM7H LDTC143ZE DCOM EP1235 DACLK L1233 EP1333 C1336 DVDD FTXS C1337 Q1235 D11(MSB) MMZ1005Y102CT 100U LDTA114EE ISL5857IAZ SN74LVC1G04DCK CMOS R1222 A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 12 VCCINT VCCIO1 RDN1 VCCINT DIFFCLK_0n DIFFIO_L32p VCCINT R1363 DIFFIO_L32n F3R3V EP4CE55F23I7N EP4CE55F23I7N DIFFIO_L33p MSEL2 H DIFFIO_L33n EP4CE55F23I7N MSEL3 H EP4CE55F23I7N A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 13 EP1321 MMZ1005A152ET DRESH HPOFS DRESH MSTB1 B12S MSTB1 MSTB1 MMZ1005A152ET HATTS B12TXS HATOFS SCLR SCLR SCLR J1311 SN74AHC595PW SN74AHC595PW SN74AHC595PW A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 14 TSTB1 R1811 3.3k TSTB2 R1812 TSTB3 R1813 TSTB4 R1814 TDAT R1815 TCLK R1816 PHASEI TSTB1 TSTB2 TSTB3 TSTB4 TDAT TCLK A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 15 NCINR TSTB1 TSTB2 NL1S NL7S NC4S NCINS TSTB2 TSTB3 TSTB3 NL0R NL6R NC3R NC9R TSTB4 TSTB4 NL0S NL6S NC3S NC9S A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 16 To the MAIN UNIT J331 L331 220U EKEY L332 220U ESTA MPZ2012S601A EP331 EP332 MPZ2012S601A 3R3V PSTB MDAT DRESH REFLP FORLP A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.
- Page 17 L902 L903 LR-293 LR-293 LR-293 C904 C908 L911 RL900 RL901 100U C905 L900 100U FTR-B4CA009Z FTR-B4CA009Z L952 100U REFLP FORLP A-7290-3EX-w To upgrade quality, some components may be Printed in Japan subject to change without notice. © 2015–2016 Icom Inc.