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Icom IC-F4261DT Service Manual

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Otober 2012
SERVICE MANUAL
ADDENDUM
CONTENTS
REPLACEMENT PAGES . . . . . . . . . . . . . . . . . . . . . . 7-1 to 7-5
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
VOLTAGE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 28

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Summary of Contents for Icom IC-F4261DT

  • Page 1 Otober 2012 SERVICE MANUAL ADDENDUM CONTENTS REPLACEMENT PAGES ..... . 7-1 to 7-5 PARTS LIST ....... . 1 BOARD LAYOUTS .
  • Page 2 (Replacement page) October 2012 SECTION 7. MECHANICAL PARTS [VERSION LIST] [CHASSIS PARTS] ORDER MODEL VERSION SYMBOL DESCRIPTION QTY. 6910021491 ANT CONNECTOR 106-1 <SSC> USA-01 6910015860 IMSA-6277S-02A-G USA-02 2510001670 040D01201 USA-03 [20] F4261DT W1** 8900016360 OPC-1190A USA-04 [21] W2** 8900021220 OPC-2264 (P0.5N14L80) W3** 8900014750 OPC-519A (P0.5N30L55) USA-05...
  • Page 3 (Replacement page) October 2012 [CHASSIS PARTS] [CHASSIS PARTS] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. MP38 8810010750 PHBT M2 X 6 SUS SSBC 8210027840 3401 T-FRONT PANEL ASSEMBLY 8210027840 3401 T-FRONT PANEL ASSEMBLY MP39 8810010850 PHBT B0 M2X8 SUS SSBC 8210027840 3401 T-FRONT PANEL ASSEMBLY MP40 8930085800 THERMAL SHEET (CD)TC200TXS (5.9X7.9) 8210027840 3401 T-FRONT PANEL ASSEMBLY...
  • Page 4 (Replacement page) October 2012 [MAIN-A UNIT] (For low band versions) [RF-B UNIT] (For high band versions) ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. 6510028350 20P10.0-JMCS-G-B-TF (N) J601* 6510024930 20RF-JMCSG1BTF (N) (LF) (SN) 6510027900 IMSA-9631S-10Y933 6510027900 IMSA-9631S-10Y933 F601* 5210001160 ERBRE3R00V 6510027900 IMSA-9631S-10Y933 6510027900 IMSA-9631S-10Y933 MP601 8930085750 3401 EARTH SPRING Y1275...
  • Page 5 (Replacement page) October 2012 [VR UNIT] [ACCESSORIES] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. J501* 6510027900 IMSA-9631S-10Y933 (Optional) FA-SC57U-1 <EIK> (Optional) FA-SC57U-1 <EIK> S501 2250000800 TP70TF5164S-17.6F-3401 (Optional) FA-SC57U-1 <EIK> (Optional) FA-SC57U-1 <EIK> MP501* 8510020560 OG-603060 (Optional) FA-SC57U-1 <EIK> 8510020560 OG-603060 (Optional) FA-SC57U-1 <EIK>...
  • Page 6 (Replacement page) October 2012 W1(C) MP10(C) MP802(J) MP8(C) EP1(C) MP46(C) SP1( C) MP45(C) MP22(C) MP31(C) MP47(C) J1(C) EP1(C) MP32(C) (Viewing from the bottom) MP26(C) MP45(C) JACK UNIT MP47(C) MP3(C) MP7(C) MP15(C) MP28(C) MP36(C) MP30(C) MP29(C) MP1(C) MP16(C) MP44(C) MP37(C) MP23(C) MP42(C) VR UNIT MP21(C)
  • Page 7 Otober 2012 SECTION 6. PARTS LIST [VERSION LIST] [MAIN-A UNIT] (For low band versions) PARTS FREQUENCY DESCRIPTION MODEL VERSION SYMBOL LOCATION RANGE (MHz) 1110005310 S.IC AN6123MS 29.3/13.3 USA-01 1180003670 S.REG BD9141MUV-E2 4.8/10.8 400–470 1110005340 S.IC NJM12902V-TE1-#ZZZB 39.5/12.5 USA-02 1110008030 S.IC AK2346BP-E2 40.0/29.0 1110003800 S.IC...
  • Page 8 Otober 2012 [MAIN-A UNIT] (For low band versions) [MAIN-A UNIT] (For low band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1750002020 S.DIO DA2S10100L 43.0/9.4 7030005120 S.RES ERJ2GEJ 102 X (1K) 36.1/31.0 1160000060 S.DIO DAN202U T106 94.9/11.6 7030010040 S.RES ERJ2GEJ-JPW 36.5/23.6 Eqv.
  • Page 9 Otober 2012 [MAIN-A UNIT] (For low band versions) [MAIN-A UNIT] (For low band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R133 7030007300 S.RES ERJ2GEJ 332 X (3.3K) 71.2/32.1 R247 7030005050 S.RES ERJ2GEJ 103 X (10K) 94.2/13.1 R134 7030005210 S.RES ERJ2GEJ 822 X (8.2K) 69.2/31.2 R248 7030004980 S.RES ERJ2GEJ 101 X (100)
  • Page 10 Otober 2012 [MAIN-A UNIT] (For low band versions) [MAIN-A UNIT] (For low band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R371 7030005160 S.RES ERJ2GEJ 105 X (1M) 2.9/25.8 4550006250 S.TAN TEESVA 1A 106M8R 45.9/25.2 R372 7030005000 S.RES ERJ2GEJ 471 X (470) 86.4/20.0 Eqv.
  • Page 11 Otober 2012 [MAIN-A UNIT] (For low band versions) [MAIN-A UNIT] (For low band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C147 4030017460 S.CER C1005 JB 1H 102K-T 50.3/17.8 C272 4030017460 S.CER C1005 JB 1H 102K-T 102.0/34.4 C149 4030016930 S.CER C1005 JB 1A 104K-T 35.8/10.0 C273 4030017550 S.CER C1005 CH 1H 1R5B-T...
  • Page 12 Otober 2012 [NAIN-A UNIT] (For low band versions) [NAIN-A UNIT] (For low band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C394 4030016930 S.CER C1005 JB 1A 104K-T 24.1/10.6 6510027900 S.CON IMSA-9631S-10Y933 [2] T 105.1/19.1 C395 4030017620 S.CER C1005 CH 1H 100C-T 13.2/4.1 6510027900 S.CON IMSA-9631S-10Y933 C396...
  • Page 13 Otober 2012 [MAIN-B UNIT] (For high band versions) [MAIN-B UNIT] (For high band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1110005310 S.IC AN6123MS 29.3/13.3 1750001150 S.VAR HVC383BTRF-E 62.4/13.5 1180003670 S.REG BD9141MUV-E2 4.8/10.8 1750000711 S.VAR HVC350BTRF-E 64.8/21.7 1110005340 S.IC NJM12902V-TE1-#ZZZB 39.5/12.5 1720000570 S.VAR MA368(TX) 66.1/22.6...
  • Page 14 Otober 2012 [MAIN-B UNIT] (For high band versions) [MAIN-B UNIT] (For high band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030008370 S.RES ERJ2GEJ 561 X (560) 55.8/35.2 R142 7030005210 S.RES ERJ2GEJ 822 X (8.2K) 67.5/33.0 7030005090 S.RES ERJ2GEJ 104 X (100K) 40.7/11.1 R143 7030004980 S.RES ERJ2GEJ 101 X (100)
  • Page 15 Otober 2012 [MAIN-B UNIT] (For high band versions) [MAIN-B UNIT] (For high band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R254 7030005090 S.RES ERJ2GEJ 104 X (100K) 103.4/21.6 R377 7030005120 S.RES ERJ2GEJ 102 X (1K) 16.7/35.3 R255 7030005110 S.RES ERJ2GEJ 224 X (220K) 98.5/23.3 R378 7030005090 S.RES ERJ2GEJ 104 X (100K)
  • Page 16 Otober 2012 [MAIN-B UNIT] (For high band versions) [MAIN-B UNIT] (For high band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017790 S.CER C1005 JB 1H 682K-T 60.1/34.6 C152 4030016930 S.CER C1005 JB 1A 104K-T 68.0/35.0 4030017460 S.CER C1005 JB 1H 102K-T 45.2/31.4 C153 4030016930 S.CER C1005 JB 1A 104K-T...
  • Page 17 Otober 2012 [MAIN-B UNIT] (For high band versions) [MAIN-B UNIT] (For high band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C274 4030017460 S.CER C1005 JB 1H 102K-T 69.4/18.2 C396 4030017420 S.CER C1005 CH 1H 470J-T 28.2/2.2 C276 4030017380 S.CER C1005 CH 1H 050B-T 74.1/11.9 C397 4550008120 S.TAN...
  • Page 18 Otober 2012 [MAIN-B UNIT] (For high band versions) [MAIN-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6910021240 S.BEA MMZ1005A152ET 1.8/9.2 1110005310 S.IC AN6123MS 29.3/13.3 6910021240 S.BEA MMZ1005A152ET 3.8/6.5 1180003670 S.REG BD9141MUV-E2 4.8/10.8 6910015370 S.BEA ACZ1005Y-102-T 49.8/19.0 1110005340 S.IC NJM12902V-TE1-#ZZZB...
  • Page 19 Otober 2012 [MAIN-C UNIT] (For 350 MHz band versions) [MAIN-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1750001150 S.VAR HVC383BTRF-E 62.4/19.9 7030010040 S.RES ERJ2GEJ-JPW 37.7/21.2 1750001150 S.VAR HVC383BTRF-E 62.4/7.0 7030005720 S.RES ERJ2GEJ 563 X (56K) 56.6/37.3 1750001150 S.VAR HVC383BTRF-E...
  • Page 20 Otober 2012 [MAIN-C UNIT] (For 350 MHz band versions) [MAIN-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R140 7410001130 S.ARR EXB28V102JX 49.6/13.7 R255 7030005110 S.RES ERJ2GEJ 224 X (220K) 98.5/23.3 R141 7030007340 S.RES ERJ2GEJ 153 X (15K) 45.9/9.3 R256 7030005170 S.RES ERJ2GEJ 474 X (470K)
  • Page 21 Otober 2012 [MAIN-C UNIT] (For 350 MHz band versions) [MAIN-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R378 7030005090 S.RES ERJ2GEJ 104 X (100K) 16.7/36.2 4030016940 S.CER C1005 JB 1A 393K-T 61.7/34.6 R379 7410001140 S.ARR EXB28V104JX 17.1/37.9 4030016930 S.CER C1005 JB 1A 104K-T 38.0/36.9...
  • Page 22 Otober 2012 [MAIN-C UNIT] (For 350 MHz band versions) [MAIN-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C162 4030017490 S.CER C1608 JB 1A 105K-T 67.3/34.0 C286 4030017460 S.CER C1005 JB 1H 102K-T 103.6/29.2 C163 4030017380 S.CER C1005 CH 1H 050B-T 53.1/7.0 C287 4030017630 S.CER C1005 CH 1H 120J-T...
  • Page 23 Otober 2012 [MAIN-C UNIT] (For 350 MHz band versions) [MAIN-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C404 4030017420 S.CER C1005 CH 1H 470J-T 16.7/19.8 EP17 6910021630 S.BEA BLM18RK102SN1D [30] T 100.7/16.8 C405 4030017420 S.CER C1005 CH 1H 470J-T 23.0/2.2 6910021630 S.BEA BLM18RK102SN1D...
  • Page 24 Otober 2012 [RF-A UNIT] (For low band versions) [RF-A UNIT] (For low band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC601 1110002751 S.IC TA75S01F(TE85RF) 23.7/23.3 C623 4030017460 S.CER C1005 JB 1H 102K-T 4.5/6.5 C625 4030017460 S.CER C1005 JB 1H 102K-T 20.8/23.6 C626 4030017460 S.CER C1005 JB 1H 102K-T...
  • Page 25 Otober 2012 [RF-B UNIT] (For high band versions) [RF-B UNIT] (For high band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC601 1110002751 S.IC TA75S01F(TE85RF) 23.7/23.3 C644 4030017460 S.CER C1005 JB 1H 102K-T 31.5/24.3 C646 4030017460 S.CER C1005 JB 1H 102K-T 33.9/21.7 C647 4030017460 S.CER C1005 JB 1H 102K-T...
  • Page 26 Otober 2012 [RF-C UNIT] (For 350 MHz band versions) [RF-C UNIT] (For 350 MHz band versions) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC601 1110002751 S.IC TA75S01F(TE85RF) 23.7/23.3 C646 4030017460 S.CER C1005 JB 1H 102K-T 33.9/21.7 C647 4030017460 S.CER C1005 JB 1H 102K-T 31.6/17.0 C648 4030017460 S.CER C1005 JB 1H 102K-T...
  • Page 27 Otober 2012 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC701 1140013640 S.IC R5F211A1SP [2] B 34.1/14.7 R714 7030005090 S.RES ERJ2GEJ 104 X (100K) [1] B 79.4/41.3 1140013640 S.IC R5F211A1SP 7030005090 S.RES ERJ2GEJ 104 X (100K) 1140013640 S.IC R5F211A1SP [10] 7030005090 S.RES ERJ2GEJ 104 X (100K)
  • Page 28 Otober 2012 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R749 7410001140 S.ARR EXB28V104JX [2] B 43.9/13.7 R774 7030005090 S.RES ERJ2GEJ 104 X (100K) [2] B 18.7/15.1 7410001140 S.ARR EXB28V104JX 7030005090 S.RES ERJ2GEJ 104 X (100K) 7410001140 S.ARR EXB28V104JX [10] 7030005090 S.RES ERJ2GEJ 104 X (100K) [10]...
  • Page 29 Otober 2012 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C727 4550005980 S.TAN TEESVA 1A 475M8R 67.4/39.7 C763 4030016930 S.CER C1005 JB 1A 104K-T [2] B 25.1/16.9 Eqv. 4550007270 S.TAN F931A475MAABMA 4030016930 S.CER C1005 JB 1A 104K-T C728 4030016930 S.CER C1005 JB 1A 104K-T 117.4/37.9 4030016930 S.CER C1005 JB 1A 104K-T...
  • Page 30 Otober 2012 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C779 4030016930 S.CER C1005 JB 1A 104K-T [2] B 22.4/13.7 EP701 6910013370 S.BEA BLM18BB221SN1D 4030016930 S.CER C1005 JB 1A 104K-T (BLM11B221SB) [2] B 28.9/14.9 4030016930 S.CER C1005 JB 1A 104K-T [10] 6910013370 S.BEA BLM18BB221SN1D...
  • Page 31 Otober 2012 [VR UNIT] [JACK UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R502 7210003610 VAR F081-0025A <SLVJ> D803 1790001810 S.VAR AVR-M1005C080MTABB 11.8/8.1 D804 1790001810 S.VAR AVR-M1005C080MTABB 10.8/8.1 D805 1790001810 S.VAR AVR-M1005C080MTABB 7.6/8.1 J501 6510027900 S.CON IMSA-9631S-10Y933 7.2/2.9 D806 1790001810 S.VAR AVR-M1005C080MTABB 8.7/8.1 S501...
  • Page 32 The combination of top side and bottom side of this SECTION 8. BOARD LAYOUTS • MAIN-A/B/C UNIT (TOP VIEW) [Side3] [Side2] [PTT] [Side1] DISC R341 C150 R150 CPU5V R170 R143 R145 C221 R115 R378 C138 R405 R377 C429 C442 R113 R114 IC13 C143...
  • Page 33 The combination of top side and bottom side of this • MAIN-A/B/C UNIT (BOTTOM VIEW) R155 C155 R214 C446 C159 R162 C251 R172 R409 R355 C157 C497 R415 C445 C154 R164 R410 R228 C268 R416 R196 R197 C152 C266 R192 C180 R425 C496...
  • Page 34 SECTION 11. VOLTAGE DIAGRAM • FRONT UNIT *R783 EMER *EP701 *R771 *R777 CIRQM *R774 OPT3 *R749 OPV3 R722 FSDA TLED IC709 ZOUT RLED *IC701 *IC708 MDET P3_5/SSCK/SCL P3_4/SCS/SDA R717 FSCL P3_7/CNTRO/SSO P3_3/TCIN/INT3 RESET P1_0/KI0/AN8 5.00V TC7WBD125AFK *R746 XOUT/P4_7 P1_1/KI1/AN9 *R743 VSS/AVSS P4_2/VREF CIRQM...
  • Page 35 • MAIN-A/B/C UNIT (1/4) CPU5V CPU5V 100k NJM12902V IC12 DMG504010 CDEC DASW DASW 4.7k SDEC2 NJM12902V RSSI RSSI 100k SDEC VIN1 VIN8 120k VOUT1 VOUT8 TONEA VOUT2 VOUT7 180k NJM2904V VIN2 VIN7 RESET MICA VDAREF R113 CENC0 100k 2.50V VIN3 VIN6 LDTC144EE 180k...
  • Page 36 • MAIN-A/B/C UNIT (2/4) VCO5V 5.00V 2SC4116 ACZ1005Y 4.14V NJM2904V TEMP C226 C241 1.2U 2SC4226 C257 4.90V R138 0.5P 100k 2SK880 15.3MHz R129 R141 730mVp-p R130 VCON 1.2U 3401 680k NJM2904V 15.3MHZ TX 1.87V C493 R179 0.001 R165 C228 C242 C318 TXRF 2SC4226...
  • Page 37 • MAIN-A/B/C UNIT (3/4) R272 3.30V R274 3.30V 1.35V NFM18PC104R1C3 NFM18PC104R1C3 C500 C334 MMZ1005S601CT AGND EMU1 EP15 TRST MMZ1005S601CT EP14 DVDD_3.3V JTAG MMZ1005S601CT EP13 EMU0 MMZ1005S601CT EP12 MMZ1005S601CT BDX0 BFSX0 BCLKX0 5.00V BDR0 GPIO4 3.30V DRESET NFM18PC104R1C3 GPIO10 C335 +3.3V_A GPIO09 BDX0 EMU0...
  • Page 38 • MAIN-A/B/C UNIT (4/4) +3.3V +3.3V CPU5V BLM18RK102SN1 EP10 1.35V IC32 VLCF4028T CPU5V 2.2U 3.30V TPS62200DBVR DASW DASW RSSI RSSI POSW R384 100k SIDE3 R385 100k IC36 5.00V SIDE2 R386 100k MTCK R387 100k CPU5V MMUT R388 100k R406 ESCL R389 100k TMUT...
  • Page 39 • RF-A/B/C UNIT R601 NFM60R20T152 FI601 C604 *C673 J601 C605 C618 L607 L608 L609 C647 D605 C651 L612 L613 L614 TMUT RXRF 0.5P 2.8N 2.8N 2.8N 0.001 HVD142A 0.001 10.3N 13.6N 13.6N RD01MUS2B Q602 RD07MUS2B Q603 ISENS C602 C656 Q601 C654 2SC3356 1.5P...
  • Page 40 UHF TRANSCEIVERS S-14909XZ-C1 Jul. 2012...
  • Page 41 Addresses are provided on the inside back cover for your before connecting it to the transceiver. convenience. Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

  • Page 42: Table Of Contents

    TABLE OF CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTION SECTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS............4-1 TRANSMITTER CIRCUITS .

  • Page 43: Specifications

    SECTION 1. SPECIFICATIONS GENERAL • Frequency range : 400–470 MHz [USA-01], [USA-02], [USA-05], [EUR-01], [EXP-01], [EXP-02], [EXP-03], [CHN-01], [DPM-01], [DPM-02] 450–512 MHz [USA-03], [USA-04], [USA-06] 450–520 MHz [AUS-01], [EXP-07] 350–400 MHz [EXP-04], [EXP-05], [EXP-06] • Number of conventional channels : 512 channels (128 zones) •...
  • Page 44 RECEIVER • Sensitivity : 0.24 µV typical at 12 dB SINAD Except [EUR], [DPM] –4.0 dBµV emf typical at 20 dB SINAD [EUR], [DPM] –8.0 dBµV emf typical at 5% BER Digital mode • Squelch sensitivity (at threshold) : 0.20 µV typical Except [EUR], [DPM] –8.0 dBµV emf typical [EUR], [DPM]...

  • Page 45: Section 2 Inside Views

    SECTION 2. INSIDE VIEWS • FRONT UNIT DATA LINE BUFFER (IC709) MIC MUTE SW MIC/AF AMP (Q708) (IC705) AF POWER AMP POWER SUPPLY LINE DRIVER (IC706) (For AF POWER AMP) (Q707) EXPANDER (IC702) BACKLIGHT LED DRIVER (Q705) BACKLIGHT LED SW (Q702) EXPANDER (IC703)
  • Page 46 • MAIN-A/B/C UNIT (TOP VIEW) AGC AMP (Q41) 1ST IF FILTER D/A CONVERTER (For FM wide mode) (IC33) (FI3) DISCRIMINATOR (X4) 2ND IF FILTER (FI2) 2ND IF FILTER (For FM narrow and digital modes) (FI1) DIGITAL IF AMP (IC13) +5 V REGULATOR DIGITAL IF FILTER (IC11) (FI5)
  • Page 47 • MAIN-A/B/C UNIT (BOTTOM VIEW) 1ST IF FILTER (For FM narrow and digital modes) (FI4) RIPPLE FILTER (Q24) IF IC VCO SW (IC15) (Q36) VCO SW TRIPLER (Q35) (Q21) VCO SW (Q37) LOCK VOLTAGE BUFFER LV SW (Q22) (Q25) TONE AMP (Q2) PLL IC (IC14)

  • Page 48: Section 3 Disassembly Instruction

    5) Disconnect the fl at cable from J5, and then remove panel. the FRONT UNIT from the chassis. Screws Knob Knob Antenna nut Remove with; “ICOM Driver (K)” (8960000110) FRONT UNIT Chassis MAIN UNIT FLAT CABLE 2) Remove 2 screws from the chassis. BE CAREFUL about the locks.
  • Page 49 3. REMOVING THE JACK UNIT 4. REMOVING THE RF UNIT 1) Unsolder 8 points at the dial. 1) Unsolder 4 points as shown. DIAL UNSOLDER RF UNIT UNSOLDER Solder remover VR UNIT Solder remover UNSOLDER Chassis Solder remover Chassis 2) Remove 4 screws from the RF UNIT, and then remove the RF UNIT from the chassis.

  • Page 50: Circuit Description

    SECTION 4. CIRCUIT DESCRIPTION 2ND IF CIRCUIT (MAIN UNIT) 4-1 RECEIVE CIRCUITS The 1st IF signal is applied to the IF IC (IC15, pin 16), which RF CIRCUIT (RF UNIT AND MAIN UNIT) contains the 2nd IF mixer, 2nd IF AMP, demodulator and The RX signal from the antenna is passed through the LPF other circuits.

  • Page 51: Transmitter Circuits

    RX AF CIRCUIT (MAIN AND FRONT UNITS) 4-2 TRANSMIT CIRCUITS The AF signal from the demodulator circuit is applied to the TX AF CIRCUIT (MAIN AND FRONT UNITS) baseband IC (MAIN UNIT: IC4, pin 23). The AF signal from the internal or external microphone (MIC signal) is passed through the MIC SW (FRONT UNIT: The applied AF signal is amplified and adjusted in level, Q708), and applied to the MIC AMP (FRONT UNIT: IC705,...

  • Page 52: Frequency Synthesizer Circuits

    MODULATION CIRCUIT (MAIN UNIT) 4-3 FREQUENCY SYNTHESIZER CIRCUITS The MIC signal from the TX AF circuit is amplified by the (MAIN UNIT) AMP (IC3), and then applied to the D/A converter (IC9, pin 4) to be adjusted in level. The transceiver has 3 VCOs; RX VCO-A (Q30, D10, D14), RX VCO-B (Q31, D11, D15) and TX VCO (Q32, D9, D12, The level-adjusted signal is applied to the TX VCO (Q32, D9, D13).

  • Page 53: Port Allocations

    4-5 PORT ALLOCATIONS Port Description Name • CPU (MAIN-A/B/C UNIT: IC35) Serial data to the PLL IC (IC14) and D/A Port Description converter (IC9). Name DAST Strobe signal to the D/A converter (IC9). Bandwidth switches (Q27–Q29, D8, D16) Outputs mode (Digital/Analog) switching NWC1 control.

  • Page 54: Adjustment Procedure

    SECTION 5. ADJUSTMENT PROCEDURE 5-1 PREPARATION ▄ REQUIRED TEST EQUIPMENTS EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE CS-F3160/5060 ADJ Modifi ed OPC-1862 CLONING CABLE Adjustment software JIG cable CS-F3160/5060 ADJ (dPMR) (for [DPM-01]) (See the illustration on page 5-2) Frequency range : DC–600 MHz Power attenuation...
  • Page 55 ¤ JIG CABLE OPC-1862 SPEAKER (1 W/8 Ω) AC MILLIVOLTMETER AUDIO GENERATOR (10 mV to 10 V) (300–3000 Hz/1–500 mV) − + − + − Add a jumper wire here 4.7 µF 5 - 2...
  • Page 56 ¤ ADJUSTMENT CHANNELS • For [Low band] version • For [High band] version • For [350 MHz band] version CONVENIENT: The same cloning file is available. Right-click below, and select "Save Embeded File to Disk." For [Low band] version: For [High band] version: For [350MHz band] version: 5 - 3...
  • Page 57 ¤ PC SCREEN EXAMPLE Adjustment setting Transmit output power Modulation balance CTCSS/DTCS deviation Squelch Reference frequency Receive sensitivity RX Lock voltage (Low) RX Lock voltage (High) TX Lock voltage RX Lock voltage preset (Low) RX Lock voltage preset (High) TX Lock voltage preset S-meter FM deviation (Narrow) Deviation (Middle)*...

  • Page 58: Frequency Adjustments

    FREQUENCY ADJUSTMENTS 1) Select an adjustment item using [↑]/[↓] on the PC's keyboard. 2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, and then push [ENTER]. TRANSCEIVER’S ADJUSTMENT ADJUSTMENT OPERATION VALUE CONDITION ITEM PLL LOCK 1) Connect an RF power meter to the an- "51"...

  • Page 59: Transmit Adjustments

    TRANSMIT ADJUSTMENTS 1) Select an adjustment item using [↑]/[↓] on the PC's keyboard. 2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, and then push [ENTER]. ADJUST- TRANSCEIVER’S ADJUSTMENT OPERATION MENT VALUE CONDITION ITEM TX OUTPUT 1 •...

  • Page 60: Receive Adjustments

    RECEIVE ADJUSTMENTS 1) Select an adjustment item using [↑]/[↓] on the PC's keyboard. 2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, and then push [ENTER]. TRANSCEIVER’S ADJUSTMENT ADJUSTMENT OPERATION VALUE CONDITION ITEM RX SENSITIVITY 1 NOTE: When "RX SENSITIVITY"...

  • Page 61: Section 6 Parts List

    SECTION 6. PARTS LIST [VERSION LIST] [MAIN-A UNIT] (For low band version) PARTS FREQUENCY DESCRIPTION MODEL VERSION SYMBOL LOCATION RANGE (MHz) 1110005310 S.IC AN6123MS 29.3/13.3 USA-01 1180003670 S.REG BD9141MUV-E2 4.8/10.8 400–470 1110005340 S.IC NJM12902V-TE1-#ZZZB 39.5/12.5 USA-02 1110008030 S.IC AK2346BP-E2 40.0/29.0 1110003800 S.IC NJM2904V-TE1-#FMZB 40.1/8.3...
  • Page 62 [MAIN-A UNIT] (For low band version) [MAIN-A UNIT] (For low band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1750001150 S.VAR HVC383BTRF-E 62.4/13.5 7030007300 S.RES ERJ2GEJ 332 X (3.3K) 31.8/11.2 1750000711 S.VAR HVC350BTRF-E 64.8/21.7 7030005290 S.RES ERJ2GEJ 682 X (6.8K) 31.9/12.6 1720000570 S.VAR MA368(TX) 66.1/22.6...
  • Page 63 [MAIN-A UNIT] (For low band version) [MAIN-A UNIT] (For low band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R153 7030007570 S.RES ERJ2GEJ 122 X (1.2K) 66.4/29.1 R276 7030009710 S.RES ERJ2GEJ 203 X (20K) 26.4/29.1 R154 7030007270 S.RES ERJ2GEJ 151 X (150) 69.0/33.5 R277 7030009710 S.RES ERJ2GEJ 203 X (20K)
  • Page 64 [MAIN-A UNIT] (For low band version) [MAIN-A UNIT] (For low band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R391 7410001140 S.ARR EXB28V104JX 7.8/18.2 4030016930 S.CER C1005 JB 1A 104K-T 35.9/17.0 R392 7030005090 S.RES ERJ2GEJ 104 X (100K) 47.8/32.3 4030018900 S.CER C1005 JB 0J 474K-T 48.9/16.9 R393 7030005090 S.RES ERJ2GEJ 104 X (100K)
  • Page 65 [MAIN-A UNIT] (For low band version) [MAIN-A UNIT] (For low band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C183 4030017660 S.CER C1005 CH 1H 330J-T 78.8/37.2 C320 4030017400 S.CER C1005 CH 1H 220J-T 104.3/19.9 C184 4030017460 S.CER C1005 JB 1H 102K-T 63.2/27.4 C321 4030017460 S.CER C1005 JB 1H 102K-T...
  • Page 66 [NAIN-A UNIT] (For low band version) [MAIN-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C437 4030016930 S.CER C1005 JB 1A 104K-T 7.0/8.0 1110005310 S.IC AN6123MS 29.3/13.3 C438 4030016930 S.CER C1005 JB 1A 104K-T 10.0/24.4 1180003670 S.REG BD9141MUV-E2 4.8/10.8 C439 4030016930 S.CER C1005 JB 1A 104K-T...
  • Page 67 [MAIN-B UNIT] (For high band version) [MAIN-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1750001150 S.VAR HVC383BTRF-E 62.4/13.5 7030008370 S.RES ERJ2GEJ 561 X (560) 55.8/35.2 1750000711 S.VAR HVC350BTRF-E 64.8/21.7 7030005090 S.RES ERJ2GEJ 104 X (100K) 40.7/11.1 1720000570 S.VAR MA368(TX) 66.1/22.6...
  • Page 68 [MAIN-B UNIT] (For high band version) [MAIN-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R142 7030005210 S.RES ERJ2GEJ 822 X (8.2K) 67.5/33.0 R254 7030005090 S.RES ERJ2GEJ 104 X (100K) 103.4/21.6 R143 7030004980 S.RES ERJ2GEJ 101 X (100) 58.1/37.1 R255 7030005110 S.RES ERJ2GEJ 224 X (220K)
  • Page 69 [MAIN-B UNIT] (For high band version) [MAIN-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R377 7030005120 S.RES ERJ2GEJ 102 X (1K) 16.7/35.3 4030017790 S.CER C1005 JB 1H 682K-T 60.1/34.6 R378 7030005090 S.RES ERJ2GEJ 104 X (100K) 16.7/36.2 4030017460 S.CER C1005 JB 1H 102K-T 45.2/31.4...
  • Page 70 [MAIN-B UNIT] (For high band version) [MAIN-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C152 4030016930 S.CER C1005 JB 1A 104K-T 68.0/35.0 C274 4030017460 S.CER C1005 JB 1H 102K-T 69.4/18.2 C153 4030016930 S.CER C1005 JB 1A 104K-T 68.2/38.8 C276 4030017380 S.CER C1005 CH 1H 050B-T...
  • Page 71 [MAIN-B UNIT] (For high band version) [MAIN-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C423 4030017420 S.CER C1005 CH 1H 470J-T 6.0/26.8 EP21 6910021630 S.BEA BLM18RK102SN1D [21] T 99.9/18.9 C424 4030017580 S.CER C1005 CH 1H 060C-T 2.9/30.6 6910021630 S.BEA BLM18RK102SN1D...
  • Page 72 [MAIN-C UNIT] (For 350 MHz band version) [MAIN-C UNIT] (For 350 MHz band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1180003670 S.REG BD9141MUV-E2 4.8/10.8 1750001070 S.DIO DAN235ETL 95.1/32.9 1110005340 S.IC NJM12902V-TE1-#ZZZB 39.5/12.5 1750000711 S.VAR HVC350BTRF-E 105.1/36.7 1110008030 S.IC AK2346BP-E2 40.0/29.0 1750000711 S.VAR HVC350BTRF-E 108.5/32.8...
  • Page 73 [MAIN-C UNIT] (For 350 MHz band version) [MAIN-C UNIT] (For 350 MHz band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030007570 S.RES ERJ2GEJ 122 X (1.2K) 30.9/10.6 R149 7030009290 S.RES ERJ2GEJ 562 X (5.6K) 54.2/39.6 7030007340 S.RES ERJ2GEJ 153 X (15K) 38.9/5.8 R150 7030005600 S.RES ERJ2GEJ 273 X (27K)
  • Page 74 [MAIN-C UNIT] (For 350 MHz band version) [MAIN-C UNIT] (For 350 MHz band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R273 7030004980 S.RES ERJ2GEJ 101 X (100) 21.2/20.8 R388 7030005090 S.RES ERJ2GEJ 104 X (100K) 5.8/22.4 R274 7030010040 S.RES ERJ2GEJ-JPW 8.5/15.1 R389 7030005090 S.RES ERJ2GEJ 104 X (100K)
  • Page 75 [MAIN-C UNIT] (For 350 MHz band version) [MAIN-C UNIT] (For 350 MHz band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017710 S.CER C1005 CH 1H 181J-T 37.9/16.9 C176 4550005980 S.TAN TEESVA 1A 475M8R 81.2/33.3 4030017460 S.CER C1005 JB 1H 102K-T 51.6/23.2 Eqv.
  • Page 76 [MAIN-C UNIT] (For 350 MHz band version) [MAIN-C UNIT] (For 350 MHz band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C297 4030017460 S.CER C1005 JB 1H 102K-T 76.4/11.4 C417 4030017030 S.CER C1005 JB 1A 273K-T 22.0/23.1 C298 4030017620 S.CER C1005 CH 1H 100C-T 79.2/11.0 C418 4030017420 S.CER C1005 CH 1H 470J-T...
  • Page 77 [RF-A UNIT] (For low band version) [RF-A UNIT] (For low band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC601 1110002751 S.IC TA75S01F(TE85RF) 23.7/23.3 C658 4030017610 S.CER C1005 CH 1H 090C-T 28.7/8.5 C659 4030017570 S.CER C1005 CH 1H 040B-T 27.5/6.6 C660 4030017420 S.CER C1005 CH 1H 470J-T 8.3/7.4 Q601...
  • Page 78 [RF-B UNIT] (For high band version) [RF-B UNIT] (For high band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC601 1110002751 S.IC TA75S01F(TE85RF) 23.7/23.3 C644 4030017460 S.CER C1005 JB 1H 102K-T 31.5/24.3 C646 4030017460 S.CER C1005 JB 1H 102K-T 33.9/21.7 C647 4030017460 S.CER C1005 JB 1H 102K-T 31.6/17.0 Q601...
  • Page 79 [RF-C UNIT] (For 350 MHz band version) [RF-C UNIT] (For 350 MHz band version) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC601 1110002751 S.IC TA75S01F(TE85RF) 23.7/23.3 C644 4030017460 S.CER C1005 JB 1H 102K-T 31.5/24.3 C646 4030017460 S.CER C1005 JB 1H 102K-T 33.9/21.7 C647 4030017460 S.CER C1005 JB 1H 102K-T...
  • Page 80 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION IC701 1140013640 S.IC R5F211A1SP [2] B 34.1/14.7 R714 7030005090 S.RES ERJ2GEJ 104 X (100K) [1] B 79.4/41.3 1140013640 S.IC R5F211A1SP 7030005090 S.RES ERJ2GEJ 104 X (100K) 1140013640 S.IC R5F211A1SP [10] 7030005090 S.RES ERJ2GEJ 104 X (100K) 1140013640 S.IC R5F211A1SP...
  • Page 81 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R749 7410001140 S.ARR EXB28V104JX [2] B 43.9/13.7 R774 7030005090 S.RES ERJ2GEJ 104 X (100K) [2] B 18.7/15.1 7410001140 S.ARR EXB28V104JX 7030005090 S.RES ERJ2GEJ 104 X (100K) 7410001140 S.ARR EXB28V104JX [10] 7030005090 S.RES ERJ2GEJ 104 X (100K) [10] 7410001140 S.ARR EXB28V104JX...
  • Page 82 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C727 4550005980 S.TAN TEESVA 1A 475M8R 67.4/39.7 C763 4030016930 S.CER C1005 JB 1A 104K-T [2] B 25.1/16.9 Eqv. 4550007270 S.TAN F931A475MAABMA 4030016930 S.CER C1005 JB 1A 104K-T C728 4030016930 S.CER C1005 JB 1A 104K-T 117.4/37.9 4030016930 S.CER C1005 JB 1A 104K-T [10]...
  • Page 83 [FRONT UNIT] [FRONT UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C778 4030017490 S.CER C1608 JB 1A 105K-T [2] B 20.0/12.8 DS711 5030003140 LCD M7-0626TIZ <TES> 4030017490 S.CER C1608 JB 1A 105K-T 4030017490 S.CER C1608 JB 1A 105K-T [10] 4030017490 S.CER C1608 JB 1A 105K-T [15] MC701 7700002760 MIC...
  • Page 84 [VR UNIT] [JACK UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R502 7210003390 VAR F081165S-5 A10K L15FCX7 D803 1790001810 S.VAR AVR-M1005C080MTABB 11.8/8.1 <SLVJ> D804 1790001810 S.VAR AVR-M1005C080MTABB 10.8/8.1 D805 1790001810 S.VAR AVR-M1005C080MTABB 7.6/8.1 J501 6510027900 S.CON IMSA-9631S-10Y933 7.2/2.9 D806 1790001810 S.VAR AVR-M1005C080MTABB 8.7/8.1 S501...

  • Page 85: Section 7 Mechanical Parts

    SECTION 7. MECHANICAL PARTS [VERSION LIST] [CHASSIS PARTS] ORDER MODEL VERSION SYMBOL DESCRIPTION QTY. 6910021491 ANT CONNECTOR 106-1 <SSC> USA-01 6910015860 IMSA-6277S-02A-G USA-02 2510001670 040D01201 USA-03 [20] F4261DT W1** 8900016360 OPC-1190A USA-04 [21] W2** 8900021220 OPC-2264 (P0.5N14L80) W3** 8900014750 OPC-519A (P0.5N30L55) USA-05 W4** 8900015480 OPC-1447A (P0.5N10L30)
  • Page 86 [CHASSIS PARTS] [CHASSIS PARTS] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. 8210027800 3401 REAR PANEL MP46 8930085740 3401 GPS SPONGE 8310080040 3401 WINDOW PLATE 8930085740 3401 GPS SPONGE 8930085740 3401 GPS SPONGE 8930085060 3401 LENS 8610014190 KNOB N-390 8930085740 3401 GPS SPONGE MP10 8610014510 KNOB N-405 8930085740 3401 GPS SPONGE...
  • Page 87 [MAIN-C UNIT] (For 350 MHz band version) [FRONT UNIT] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. 6510028350 20P10.0-JMCS-G-B-TF (N) J701* 6510022711 30FLZ-SM2-TB (LF) (SN) 6510027900 IMSA-9631S-10Y933 [30] J702* 6510027940 IMSA-9631S-08Y933 6510027900 IMSA-9631S-10Y933 [31] J704* 6510027930 IMSA-9631S-14Y933 6510027900 IMSA-9631S-10Y933 [33] 6510027900 IMSA-9631S-10Y933 [34] DS711 5030003140 M7-0626TIZ <TES>...
  • Page 88 [ACCESSORIES] ORDER DESCRIPTION QTY. (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 (Optional) FA-SC25U-1 (Optional) FA-SC57U-1 (Optional) FA-SC57U-1 [10] (Optional) FA-SC57U-1 [11] (Optional) FA-SC57U-1 [12] (Optional) FA-SC57U-1 [13] (Optional) FA-SC57U-1 [14] (Optional) FA-SC57U-1 [15] (Optional) FA-SC57U-1 [16]...
  • Page 89 W1(C) MP10(C) MP8(C) MP802(J) EP1(C) MP46(C) SP1( C) MP45(C) MP22(C) MP31(C) MP47(C) J1(C) MP32(C) EP1(C) (Viewing from the bottom) MP26(C) MP45(C) JACK UNIT MP47(C) MP3(C) MP7(C) MP15(C) MP36(C) MP28(C) MP30(C) MP29(C) MP1(C) MP16(C) MP44(C) MP37(C) MP23(C) MP42(C) VR UNIT MP21(C) MP12*(C) MP24(C) S501(V)
  • Page 90 The combination of top side and bottom side of this SECTION BOARD LAYOUTS • FRONT UNIT (TOP VIEW) J702 MC701 DS702 J704 C764 INSP- INSP+ C765 EMIC EPTT DS701 C769 C771 MDET C772 DS710 8 - 1...
  • Page 91 The combination of top side and bottom side of this MC701 • FRONT UNIT (BOTTOM VIEW) MP710 R713 R750 C728 S717 IC702 MP707 R778 IC709 R779 Q709 J701 J701 C726 C746 R737 D705 C724 C722 REST MCIN C714 C716 C737 R733 AFON D704...
  • Page 92 The combination of top side and bottom side of this • MAIN-A/B/C UNIT (TOP VIEW) [Side3] [Side2] [PTT] [Side1] DISC R341 C150 R150 CPU5V R170 R143 R145 C221 R115 R378 C138 R405 R377 C429 C442 R113 R114 IC13 C143 C176 R384 PWRSW AFVI...
  • Page 93 The combination of top side and bottom side of this • MAIN-A/B/C UNIT (BOTTOM VIEW) R155 C155 R214 C446 R162 C251 R172 R409 R355 C157 C497 R415 C445 C154 R164 R410 R228 C268 R416 R196 R197 C152 C266 R192 C180 R425 C496 C232...
  • Page 94 The combination of top side and bottom side of this • JACK UNIT (TOP VIEW) • RF-A/B/C UNIT (TOP VIEW) F601 EP603 R614 D602 R612 EP801 EP802 C608 IC601 C665 B7668B EP803 J801 J801 C632 C633 C664 R615 R620 R624 C642 FI601 EP804...
  • Page 95 The combination of top side and bottom side of this • JACK UNIT (BOTTOM VIEW) • RF-A/B/C UNIT (BOTTOM VIEW) C637 R616 D601 C662 C625 C641 C661 MP801 C626 C613 R608 C616 C614 L609 L607 C615 C610 C645 C618 Q602 R610 D605 C657...
  • Page 96 SECTION 9. GENERAL WIRING CHASSIS PGU6NT-CX-100 CHASSIS OPC-1447A FRONT UNIT RF UNIT CHASSIS (RF-A,RF-B,RF-C) EMER OPC-519A EMER J702 CIRQM CIRQM DS711 CHASSIS OPT3 OPT3 OPV3 EMPH LRES TLED TLED ANTENNA FSDA RLED RLED FSCL MDET MDET LCDV MAIN UNIT TXRF FSCL FSCL ISENS...

  • Page 97: Block Diagram

    SECTION BLOCK DIAGRAM D604/D608 350-400MHz 400-470MHz RIPPLE Q30,D10 450-520MHz D19,D20,D39 Q601 Q602 Q603 D605-D607/D609 LVIN from Battery BUFF TX/RX BUFF BUFF DRIVE DRIVE IC14 Q31,D11 CPU5 15.3MHz TCXO LOOP D603 BATV IC601 Q14,Q15 Q16,Q17 OUT1 RLVA Q35/Q36 Explanatory notes OUT0 Q32,D9 Q37/Q51 +3.3V...
  • Page 98 SECTION VOLTAGE DIAGRAM • FRONT UNIT *R783 EMER *EP701 *R771 *R777 CIRQM *R774 OPT3 *R749 OPV3 R722 FSDA TLED IC709 ZOUT RLED *IC701 *IC708 MDET P3_5/SSCK/SCL P3_4/SCS/SDA R717 FSCL P3_7/CNTRO/SSO P3_3/TCIN/INT3 RESET P1_0/KI0/AN8 5.00V TC7WBD125AFK *R746 XOUT/P4_7 P1_1/KI1/AN9 *R743 VSS/AVSS P4_2/VREF CIRQM XIN/P4_6...
  • Page 99 • MAIN-A/B/C UNIT (1/4) CPU5V CPU5V 100k NJM12902V IC12 DMG504010 CDEC DASW DASW 4.7k SDEC2 NJM12902V RSSI RSSI 100k SDEC VIN1 VIN8 120k VOUT1 VOUT8 TONEA VOUT2 VOUT7 180k NJM2904V VIN2 VIN7 RESET MICA VDAREF R113 CENC0 100k 2.50V 180k VIN3 VIN6 LDTC144EE...
  • Page 100 • MAIN-A/B/C UNIT (2/4) VCO5V 5.00V 2SC4116 ACZ1005Y 4.14V NJM2904V TEMP C226 C241 1.2U 2SC4226 C257 4.90V R138 0.5P 100k 2SK880 15.3MHz R129 R141 730mVp-p R130 VCON 1.2U 3401 680k NJM2904V 15.3MHZ TX 1.87V C493 R179 0.001 R165 C228 C242 C318 TXRF 2SC4226...
  • Page 101 • MAIN-A/B/C UNIT (3/4) R272 3.30V R274 3.30V 1.35V NFM18PC104R1C3 NFM18PC104R1C3 C500 C334 MMZ1005S601CT AGND EMU1 EP15 TRST MMZ1005S601CT EP14 DVDD_3.3V JTAG MMZ1005S601CT EP13 EMU0 MMZ1005S601CT EP12 MMZ1005S601CT BDX0 BFSX0 BCLKX0 5.00V BDR0 GPIO4 3.30V DRESET NFM18PC104R1C3 GPIO10 C335 +3.3V_A GPIO09 BDX0 EMU0...
  • Page 102 • MAIN-A/B/C UNIT (4/4) +3.3V +3.3V CPU5V BLM18RK102SN1 EP10 1.35V IC32 VLCF4028T CPU5V 2.2U 3.30V TPS62200DBVR DASW DASW RSSI RSSI POSW R384 100k SIDE3 R385 100k IC36 5.00V SIDE2 R386 100k MTCK R387 100k CPU5V MMUT R388 100k R406 ESCL R389 100k TMUT...
  • Page 103 • RF-A/B/C UNIT R601 NFM60R20T152 FI601 C604 J601 C605 C618 L607 L608 L609 C647 D605 C651 L612 L613 L614 TMUT RXRF 0.5P 2.8N 2.8N 2.8N 0.001 HVD142A 0.001 10.3N 13.6N 13.6N RD01MUS2B Q602 RD07MUS2B Q603 ISENS C602 C656 Q601 C654 2SC3356 1.5P TXRF...
  • Page 104 Highway 17 Delta, B.C., V4K 5B8, Canada : http://www.icomspain.com Phone : +1 (604) 952-4266 Fax : +1 (604) 952-0090 E-mail : icom@icomspain.com : http://www.icomcanada.com E-mail : info@icomcanada.com Blacksole House, Altira Park, Herne Bay, Kent CT6 6GZ, UK Phone : +44 (0) 1227 741741...
  • Page 105 S-14909XZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2012 Icom Inc.

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