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Icom IC-F24/S Service Manual Addendum

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Mar. 2009
SERVICE MANUAL
ADDENDUM
CONTENTS
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
VOLTAGE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 17

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  • Page 1 Mar. 2009 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST ....... . 1 BOARD LAYOUTS .
  • Page 2 Mar. 2009 SECTION 6. PARTS LIST [VERSION LIST] [ANT UNIT] PARTS DESCRIPTION MODEL VERSION SYMBOL LOCATION L601 6200013010 S.COI 0.30-0.9-5TL 10.3N <COMO> 7.2/12.5 USA-02 GEN-03 C601 4030017600 S.CER ECJ0EC1H080C 5.8/15.3 BEA-02 IC-F24 GEN-02 [CONNECT UNIT] GEN-03 PARTS DESCRIPTION LOCATION USA-04 C501 4030017460 S.CER ECJ0EB1E102K 8.3/5.3...
  • Page 3 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1750000940 S.DIO ISS400 TE61 23.1/4 6200007700 S.COI LQW2BHN22NJ03L 78.9/35.3 1750001080 S.DIO RB886G T2R 88.5/36.2 6200007690 S.COI LQW2BHN18NJ03L 1790001011 S.ZEN MAZ8043GLL 74.5/19.9 6200007700 S.COI...
  • Page 4 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6200004770 S.COI ELJNC R56J-F 66.8/33.9 7030004970 S.RES ERJ2GEJ 470 X (47) 66.7/22.7 6200007850 S.COI ELJNC R82K-F 7030005570 S.RES ERJ2GEJ 820 X (82) 6200004770 S.COI ELJNC R56J-F 7030004970 S.RES ERJ2GEJ 470 X (47)
  • Page 5 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030008010 S.RES ERJ2GEJ 123 X (12K) 68/37.8 7030005530 S.RES ERJ2GEJ 100 X (10) 80/22.5 7030005050 S.RES ERJ2GEJ 103 X (10K) 7030005710 S.RES ERJ2GEJ 121 X (120) 7030008010 S.RES ERJ2GEJ 123 X (12K) 7030005530 S.RES ERJ2GEJ 100 X (10)
  • Page 6 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030008410 S.RES ERJ2GEJ 392 X (3.9K) 49.3/40.1 R175 7030005110 S.RES ERJ2GEJ 224 X (220K) 19.4/27.8 7030009140 S.RES ERJ2GEJ 272 X (2.7K) R176 7030005100 S.RES ERJ2GEJ 154 X (150K) 17.7/27.8...
  • Page 7 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R296 7030003490 S.RES ERJ3GEYJ 272 V (2.7K) 91.8/35.3 4030017370 S.CER ECJ0EC1H3R5B 93.2/28.1 R297 7030005120 S.RES ERJ2GEJ 102 X (1K) 91.3/36.2 4030017580 S.CER ECJ0EC1H060C R301...
  • Page 8 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017600 S.CER ECJ0EC1H080C 84.1/36.7 4030017630 S.CER ECJ0EC1H120J 72.2/38.8 4030017610 S.CER ECJ0EC1H090C 4030017620 S.CER ECJ0EC1H100C 4030017600 S.CER ECJ0EC1H080C 4030017630 S.CER ECJ0EC1H120J 4030017600 S.CER ECJ0EC1H080C 4030017630 S.CER ECJ0EC1H120J 4030017600 S.CER ECJ0EC1H080C...
  • Page 9 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017730 S.CER ECJ0EB1E471K 54.8/13.7 4030017380 S.CER ECJ0EC1H050B 66.1/33.9 4030016930 S.CER ECJ0EB1A104K 56.2/17.5 4030017620 S.CER ECJ0EC1H100C 4030017420 S.CER ECJ0EC1H470J 69.8/18.7 4030017380 S.CER ECJ0EC1H050B 4030017460 S.CER ECJ0EB1E102K...
  • Page 10 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C122 4030017620 S.CER ECJ0EC1H100C 53.1/28.6 C133 4030017390 S.CER ECJ0EC1H180J 51.1/31 4030017570 S.CER ECJ0EC1H040B 4030017640 S.CER ECJ0EC1H150J 4030017620 S.CER ECJ0EC1H100C 4030017390 S.CER ECJ0EC1H180J 4030017620 S.CER ECJ0EC1H100C 4030017390 S.CER ECJ0EC1H180J...
  • Page 11 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN UNIT] (For F24/S F25/S F26/S F4018) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C177 4030009910 S.CER C1608 CH 1H 040B-T 90.7/33.4 C278 4030017430 S.CER ECJ0EC1H101J 18/40.1 4030009910 S.CER C1608 CH 1H 040B-T C279 4030018910 S.CER C1608 JB 0J 475K-T 36.9/23.2...
  • Page 12 Mar. 2009 [MAIN UNIT] (For F24/S F25/S F26/S F4018) [MAIN-B UNIT] (For F26-L F4018-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 2260001900 SWI SW-149 (SKHLLD) 1110003201 S.IC TA31136FNG(EL) 51.8/19 2260002800 S.SWI SW-167 (SKQTLAE010) 99.4/44.2 1130008561 S.IC TC75S51F(TE85L,F) 68.9/21 2260002800 S.SWI SW-167 (SKQTLAE010) 60.9/44.2 1140005991 S.IC MB15A02PFV1-G-BND-ERE1...
  • Page 13 Mar. 2009 [MAIN-B UNIT] (For F26-L F4018-L) [MAIN-B UNIT] (For F26-L F4018-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6200007881 S.COI ELJRF 33NJFB 59.2/38.6 7030005120 S.RES ERJ2GEJ 102 X (1K) 49.3/38.1 6200007901 S.COI ELJRF 22NJFB 59.5/33.3 7030007290 S.RES ERJ2GEJ 222 X (2.2K) 53.5/44.1 6200002851 S.COI NLV25T-R82J...
  • Page 14 Mar. 2009 [MAIN-B UNIT] (For F26-L F4018-L) [MAIN-B UNIT] (For F26-L F4018-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R228 7030005120 S.RES ERJ2GEJ 102 X (1K) 94.2/15.2 4030017510 S.CER ECJ0EC1H680J 47.5/17.6 R229 7030005530 S.RES ERJ2GEJ 100 X (10) 86/9.7 4030017420 S.CER ECJ0EC1H470J 46.5/20.7 R230 7030005530 S.RES ERJ2GEJ 100 X (10)
  • Page 15 Mar. 2009 [MAIN-B UNIT] (For F26-L F4018-L) [MAIN-B UNIT] (For F26-L F4018-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C178 4030017420 S.CER ECJ0EC1H470J 77.7/21.3 C322 4030016950 S.CER ECJ0EB1A473K 93.9/13.9 C180 4030017420 S.CER ECJ0EC1H470J 67.1/32.3 C323 4030016950 S.CER ECJ0EB1A473K 87.6/9.7 C182 4030017600 S.CER ECJ0EC1H080C 68.8/31.6 C324 4030017420 S.CER ECJ0EC1H470J...
  • Page 16 Mar. 2009 SECTION 8. BOARD LAYOUTS • MAIN/MAIN-B UNIT (TOP VIEW) C148 R169 R155 C259 C152 C153 C151 R124 C277 R168 C278 R181 C285 R180 R156 C261 R117 R118 R172 R237 C284 R182 C260 R157 C154 C149 C155 C116 C126 R123 C173 C117...
  • Page 17 Mar. 2009 • MAIN/MAIN-B UNIT (BOTTOM VIEW) R107 C209 R101 C141 C208 C143 C109 C206 C287 C305 C304 C197 C130 R183 C196 R100 C186 C300 C288 C105 C103 C111 C160 C177 R113 C289 C203 C144 R114 C138 C132 R284 C167 C168 C169 C238...
  • Page 18 Mar. 2009 SECTION 10. VOLTAGE DIAGRAM VCO5 ACZ1005Y 2SC4116 RX VCO 6.8K 6.8K ANT UNIT ACZ1005Y *C127 2SK880 *C126 C211 1.8U 4. 7 R103 R104 2SC4226 C118 1 VCON 330K 1.8U 0.5P C102 2.5P 2 GND R301 *R80 CR-783 2.8N 2.8N 0.001 10.3N...
  • Page 19 Feb. 2009 Feb. 2009 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST ....... . 1 VOLTAGE DIAGRAM .
  • Page 20 Feb. 2009 SECTION 6. PARTS LIST [ANT UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION L601 6200013010 S.COI 0.30-0.9-5TL 10.3N <COMO> 7.2/12.5 1110003201 S.IC TA31136FNG(EL) 51.8/19 1130008561 S.IC TC75S51F(TE85L,F) 68.9/21 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 38.3/35.7 C601 4030017600 S.CER ECJ0EC1H080C 5.8/15.3 1110005340 S.IC NJM12902V-TE1-#ZZZB 29.7/11.6...
  • Page 21 Feb. 2009 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6200009070 S.COI LQW18AN18NG00D 6200007881 S.COI ELJRF 33NJFB 58.4/38.2 (LQW1608A18NG00) [USA-03] 89.1/36.5 6200004951 S.COI NLV25T-1R8J 49.4/34 6200010850 S.COI LQW18AN22NG00D 6200004951 S.COI NLV25T-1R8J 49.4/31.1 (LQW1608A22NG00) [EUR-02] 6200012490 S.COI 0.30-0.9-6TR 13.6N <COMO> 94.9/39.6 6200010850 S.COI LQW18AN22NG00D...
  • Page 22 Feb. 2009 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030004970 S.RES ERJ2GEJ 470 X (47) 55.8/22.3 R108 7030005600 S.RES ERJ2GEJ 273 X (27K) [USA-04] 7030007270 S.RES ERJ2GEJ 151 X (150) 56.2/21.1 7030005600 S.RES ERJ2GEJ 273 X (27K) [RUS-05] 44.9/21 7030004970 S.RES ERJ2GEJ 470 X (47)
  • Page 23 Feb. 2009 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R232 7030007300 S.RES ERJ2GEJ 332 X (3.3K) 93.2/4.4 4030017370 S.CER ECJ0EC1H3R5B [CHN-02] R233 7030007300 S.RES ERJ2GEJ 332 X (3.3K) 92.7/2.8 4030017370 S.CER ECJ0EC1H3R5B [CHN-01] 93.2/28.1 R234 7030005100 S.RES ERJ2GEJ 154 X (150K) 23.3/6.2 4030006980 S.CER C1608 CH 1H 070D-T [USA-02]...
  • Page 24 Feb. 2009 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017630 S.CER ECJ0EC1H120J [EUR-02] 4030017380 S.CER ECJ0EC1H050B [RUS-05] 4030017630 S.CER ECJ0EC1H120J [BEA-02] 72.2/38.8 4030017620 S.CER ECJ0EC1H100C [USA-05] 66.1/33.9 4030017630 S.CER ECJ0EC1H120J [GEN-02] 4030017380 S.CER ECJ0EC1H050B [CHN-02] 4030017620 S.CER ECJ0EC1H100C [GEN-03] 4030017380 S.CER ECJ0EC1H050B [CHN-01]...
  • Page 25 Feb. 2009 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C133 4030017390 S.CER ECJ0EC1H180J [USA-02] 51.1/31 C203 4030017460 S.CER ECJ0EB1E102K 46.9/30.1 4030017640 S.CER ECJ0EC1H150J [USA-03] C205 4030017380 S.CER ECJ0EC1H050B 56.3/39.7 4030017390 S.CER ECJ0EC1H180J [EUR-02] C206 4030017590 S.CER ECJ0EC1H070C 55.9/41.3 4030017390 S.CER ECJ0EC1H180J [BEA-02]...
  • Page 26 Feb. 2009 [MAIN UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C342 4030017630 S.CER ECJ0EC1H120J 18.3/4.2 1110003201 S.IC TA31136FNG(EL) 51.8/19 C343 4030017580 S.CER ECJ0EC1H060C 5.6/4.2 1130008561 S.IC TC75S51F(TE85L,F) 68.9/21 C344 4030017640 S.CER ECJ0EC1H150J 7.6/9.1 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 38.3/35.7 C345 4030016930 S.CER ECJ0EB1A104K 11/11.2 1110005340 S.IC...
  • Page 27 Feb. 2009 [MAIN-B UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6200007881 S.COI ELJRF 33NJFB 59.2/38.6 7030005120 S.RES ERJ2GEJ 102 X (1K) 49.3/38.1 6200007901 S.COI ELJRF 22NJFB 59.5/33.3 7030007290 S.RES ERJ2GEJ 222 X (2.2K) 53.5/44.1 6200002851 S.COI NLV25T-R82J 55.2/28.1 R100 7030005040 S.RES ERJ2GEJ 472 X (4.7K) 52.9/38.8...
  • Page 28 Feb. 2009 [MAIN-B UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R228 7030005120 S.RES ERJ2GEJ 102 X (1K) 94.2/15.2 4030017510 S.CER ECJ0EC1H680J 47.5/17.6 R229 7030005530 S.RES ERJ2GEJ 100 X (10) 86/9.7 4030017420 S.CER ECJ0EC1H470J 46.5/20.7 R230 7030005530 S.RES ERJ2GEJ 100 X (10) 87.2/17.2 4030016790 S.CER ECJ0EB1C103K 49.7/16.3...
  • Page 29 Feb. 2009 [MAIN-B UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C178 4030017420 S.CER ECJ0EC1H470J 77.7/21.3 C322 4030016950 S.CER ECJ0EB1A473K 93.9/13.9 C180 4030017420 S.CER ECJ0EC1H470J 67.1/32.3 C323 4030016950 S.CER ECJ0EB1A473K 87.6/9.7 C182 4030017600 S.CER ECJ0EC1H080C 68.8/31.6 C324 4030017420 S.CER ECJ0EC1H470J 85/13.7 C183 4030017420 S.CER ECJ0EC1H470J...
  • Page 30 Feb. 2009 SECTION 10. VOLTAGE DIAGRAM VCO5 ACZ1005Y 2SC4116 RX VCO 6.8K 6.8K ANT UNIT ACZ1005Y *C127 2SK880 *C126 C211 1.8U 4. 7 R103 R104 2SC4226 C118 1 VCON 330K 1.8U 0.5P C102 2.5P 2 GND R301 L4 5 *R80 CR-783 2.8N 2.8N...
  • Page 31 Nov. 2008 Nov. 2008 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST ....... . 1 BOARD LAYOUTS .
  • Page 32 Nov. 2008 SECTION 6. PARTS LIST [ANT UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION L601 6200013010 S.COI 0.30-0.9-5TL 10.3N <COMO> 7.2/12.5 1110003201 S.IC TA31136FNG(EL) 51.8/19 1130008561 S.IC TC75S51F(TE85L,F) 68.9/21 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 38.3/35.7 C601 4030017600 S.CER ECJ0EC1H080C 5.8/15.3 1110005340 S.IC NJM12902V-TE1-#ZZZB 29.7/11.6...
  • Page 33 Nov. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6200009070 S.COI LQW18AN18NG00D 6200007881 S.COI ELJRF 33NJFB 58.4/38.2 (LQW1608A18NG00) [USA-03] 89.1/36.5 6200004951 S.COI NLV25T-1R8J 49.4/34 6200010850 S.COI LQW18AN22NG00D 6200004951 S.COI NLV25T-1R8J 49.4/31.1 (LQW1608A22NG00) [EUR-02] 6200012490 S.COI 0.30-0.9-6TR 13.6N <COMO> 94.9/39.6 6200010850 S.COI LQW18AN22NG00D...
  • Page 34 Nov. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030004970 S.RES ERJ2GEJ 470 X (47) 55.8/22.3 R108 7030005600 S.RES ERJ2GEJ 273 X (27K) [USA-04] 7030007270 S.RES ERJ2GEJ 151 X (150) 56.2/21.1 7030005600 S.RES ERJ2GEJ 273 X (27K) [RUS-05] 44.9/21 7030004970 S.RES ERJ2GEJ 470 X (47)
  • Page 35 Nov. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R232 7030007300 S.RES ERJ2GEJ 332 X (3.3K) 93.2/4.4 4030017370 S.CER ECJ0EC1H3R5B [CHN-02] R233 7030007300 S.RES ERJ2GEJ 332 X (3.3K) 92.7/2.8 4030017370 S.CER ECJ0EC1H3R5B [CHN-01] 93.2/28.1 R234 7030005100 S.RES ERJ2GEJ 154 X (150K) 23.3/6.2 4030006980 S.CER C1608 CH 1H 070D-T [USA-02]...
  • Page 36 Nov. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017630 S.CER ECJ0EC1H120J [EUR-02] 4030017380 S.CER ECJ0EC1H050B [RUS-05] 4030017630 S.CER ECJ0EC1H120J [BEA-02] 72.2/38.8 4030017620 S.CER ECJ0EC1H100C [USA-05] 66.1/33.9 4030017630 S.CER ECJ0EC1H120J [GEN-02] 4030017380 S.CER ECJ0EC1H050B [CHN-02] 4030017620 S.CER ECJ0EC1H100C [GEN-03] 4030017380 S.CER ECJ0EC1H050B [CHN-01]...
  • Page 37 Nov. 2008 [MAIN UNIT] [MAIN UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C133 4030017640 S.CER ECJ0EC1H150J [USA-02] 51.1/31 C203 4030017460 S.CER ECJ0EB1E102K 46.9/30.1 C133 4030017630 S.CER ECJ0EC1H120J [USA-03] 51.1/31 C205 4030017380 S.CER ECJ0EC1H050B 56.3/39.7 4030017640 S.CER ECJ0EC1H150J [EUR-02] C206 4030017590 S.CER ECJ0EC1H070C 55.9/41.3 4030017640 S.CER ECJ0EC1H150J [BEA-02]...
  • Page 38 Nov. 2008 [MAIN UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C342 4030017630 S.CER ECJ0EC1H120J 18.3/4.2 1110003201 S.IC TA31136FNG(EL) 51.8/19 C343 4030017580 S.CER ECJ0EC1H060C 5.6/4.2 1130008561 S.IC TC75S51F(TE85L,F) 68.9/21 C344 4030017640 S.CER ECJ0EC1H150J 7.6/9.1 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 38.3/35.7 C345 4030016930 S.CER ECJ0EB1A104K 11/11.2 1110005340 S.IC...
  • Page 39 Nov. 2008 [MAIN-B UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 6200007881 S.COI ELJRF 33NJFB 59.2/38.6 7030005120 S.RES ERJ2GEJ 102 X (1K) 49.3/38.1 6200007901 S.COI ELJRF 22NJFB 59.5/33.3 7030007290 S.RES ERJ2GEJ 222 X (2.2K) 53.5/44.1 6200002851 S.COI NLV25T-R82J 55.2/28.1 R100 7030005040 S.RES ERJ2GEJ 472 X (4.7K) 52.9/38.8...
  • Page 40 Nov. 2008 [MAIN-B UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R228 7030005120 S.RES ERJ2GEJ 102 X (1K) 94.2/15.2 4030017510 S.CER ECJ0EC1H680J 47.5/17.6 R229 7030005530 S.RES ERJ2GEJ 100 X (10) 86/9.7 4030017420 S.CER ECJ0EC1H470J 46.5/20.7 R230 7030005530 S.RES ERJ2GEJ 100 X (10) 87.2/17.2 4030016790 S.CER ECJ0EB1C103K 49.7/16.3...
  • Page 41 Nov. 2008 [MAIN-B UNIT] [MAIN-B UNIT] PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C178 4030017420 S.CER ECJ0EC1H470J 77.7/21.3 C322 4030016950 S.CER ECJ0EB1A473K 93.9/13.9 C180 4030017420 S.CER ECJ0EC1H470J 67.1/32.3 C323 4030016950 S.CER ECJ0EB1A473K 87.6/9.7 C182 4030017600 S.CER ECJ0EC1H080C 68.8/31.6 C324 4030017420 S.CER ECJ0EC1H470J 85/13.7 C183 4030017420 S.CER ECJ0EC1H470J...
  • Page 42 Nov. 2008 SECTION 8. BOARD LAYOUTS • MAIN/MAIN-B UNIT (TOP VIEW) C148 R169 R155 C259 C152 C153 C151 R124 C277 R168 C278 R181 C285 R180 R156 C261 R117 R118 R172 R237 C284 R182 C260 R157 C154 C149 C155 C116 C126 R123 C173 C117...
  • Page 43 Nov. 2008 • MAIN/MAIN-B UNIT (BOTTOM VIEW) R107 C209 R101 C208 C143 C141 C109 C206 C287 C305 C304 C197 C130 R183 C196 R100 C186 C300 C288 C105 C103 C111 C177 C160 R113 C289 C203 C144 R114 C138 C132 R284 C167 C168 C169 C238...
  • Page 44 Nov. 2008 SECTION 10. VOLTAGE DIAGRAM VCO5 ACZ1005Y 2SC4116 RX VCO 6.8K 6.8K ANT UNIT ACZ1005Y *C127 2SK880 *C126 C211 1.8U 4. 7 R103 R104 2SC4226 C118 1 VCON 330K 1.8U 0.5P C102 2.5P 2 GND R301 L4 5 *R80 CR-783 2.8N 2.8N...
  • Page 45 UHF TRANSCEIVER S-14116IZ-C1-w Mar. 2008...
  • Page 46 8. READ the instructions of test equipment throughly before connecting a test equipment to the transceiver. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

  • Page 47: Table Of Contents

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

  • Page 48: Specifications

    : –30˚C to +60˚C (–22˚F to +140˚F) Other than [F25/S –25˚C to +55˚C [F25/S] • Power supply requirement : Specified Icom's battery pack only (7.2 V DC nominal; negative ground) • Current drain (at 7.2 V DC ; approx.) RECEIVING TRANSMITTING Stand-by Max.

  • Page 49: Section 2 Inside Views

    SECTION 2. INSIDE VIEWS TOP VIEW BOTTOM VIEW Pre-drive (Q5: 2SC3356) Power amplifier (Q7: RD07MVS1) Drive amplifier (Q8: RD01MUS1) AF amplifier (IC12: TA7368F) +5 Regulator (IC9: NJM2870) S5 Regulator Q23: 2SB1132 Q24: XP6501 Q25: UNR9113J T5 Regulator Crystal filter (Q21: 2SA1577) (FI1: FL-335) APC amplifier FM IF IC...

  • Page 50: Section 3 Disassembly Instruction

    SECTION 3. DISASSEMBLY INSTRUCTION 1. REMOVING THE CHASSIS UNIT 2. REMOVING THE MAIN UNIT q Unscrew 1 nut A, and remove 2 knobs B, C. q Unscrew 2 nuts F, and remove the top plate G. w Unscrew 2 screws D. w Unsolder 5 points H, and remove the shield cover.

  • Page 51: Receiver Circuits

    SECTION 4. CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS The RF signals from the bandpass filter are mixed with the 1st LO signals, where come from the RX VCO circuit via 4-1-1 ANTENNA SWITCHING CIRCUIT the BPF (L12, L38, C49, C304, C305), at the 1st mixer cir- The antenna switching circuit functions as a low-pass filter cuit (Q3) to produce a 46.35 MHz 1st IF signal.

  • Page 52: Transmitter Circuits

    4-1-5 AF AMPLIFIER CIRCUIT • CTCSS AND DTCS The tone squelch circuit detects tone signals and opens the The AF amplifier circuit amplifies the demodulated AF sig- squelch only when the receiving signal contains matched nals to drive a speaker. subaudible tone (CTCSS or DTCS).
  • Page 53 4-2-4 APC CIRCUITS 4-2-2 MODULATION CIRCUITS The modulation circuit modulates the VCO oscillating signal The bias current of the drive (Q8) and power (Q7) amplifiers are controlled by the APC circuit. (RF signal) using the audio signals from the microphone. The AF signals from the D/A converter (IC8, pin 3) change The APC circuit (IC2, D1, D30) protects drive and power the reactance of varactor diode (D18) to modulate the oscil-...

  • Page 54: Pll Circuits

    4-3-2 VCO CIRCUITS 4-3 PLL CIRCUITS The VCO circuit contains a separate RX VCO (Q14, D16, 4-3-1 PLL CIRCUIT D22) and TX VCO (Q13, D17, D21). The oscillated signal A PLL circuit provides stable oscillation for the transmit fre- is amplified at the buffer amplifiers (Q10, Q12) and is then quency and the receive 1st LO frequency.

  • Page 55: Other Circuits

    4-4 OTHER CIRCUITS 4-6 PORT ALLOCATION LED CONTROL CIRCUITS 4-6-1 D/A CONVERTER IC (IC8) The LED control circuit is composed of the CPU (IC13), Port LED driver (Q32) and LED (DS1). Description number name The CPU outputs “RLED” and “TLED” signals from the pins Outputs the modulation balance level 42 and 43.
  • Page 56 4-6-2 CPU (IC13) Port Port Description Description number name number name Input port for the transceiver’s RLED Outputs receiving LED control signal. TEMP internal temperature detecting Outputs transmitting LED control signal. TLED signal. Input port for the detect signal BATV for connecting battery pack’s OPT3 voltage.

  • Page 57: Preparation

    SECTION 5. ADJUSTMENT PROCEDURE 5-1 PREPARATION ¤ REQUIRED EQUIPMENTS EQUIPMENT EQUIPMENT SPECIFICATION SPECIFICATION Adjustment JIG cable Modifi ed OPC-478U/UC (USB type) or "CS-F14 ADJ" (Revision 1.0 or later) Software (see the page 5-3) OPC-478 (RS-232 type) Frequency range : 300–3000 Hz Power attenuation : 30 dB Audio Generator Attenuator...
  • Page 58 ¤ ADJUSTMENT CHANNELS Create "icf" file/files for adjustment as below, then clone it into the transceiver before starting adjustment. <IC-F24/F25/F26/F4018> <IC-F26-L> (16CH version) q Create the icf file "F26-L ADJ CH.icf." (For [Low band]) “F26-L ADJ CH.icf” q Create the icf file "F24 ADJ CH.icf." “F24Lowband ADJ CH.icf”...
  • Page 59 ¤ ADJUSTMENT CHANNELS (continued) Create "icf" file/files for adjustment as below, then clone it into the transceiver before starting adjustment. <IC-F24S/F25S/F26S> (2CH version) (For [Low band]) (For [High band]) q Assigne MR-CH3/MR-CH4 to the [Upper]/[Lower] keys. q Assigne MR-CH3/MR-CH4 to the [Upper]/[Lower] keys. w Create four icf files as below.
  • Page 60 CONNECTION AC millivoltmeter To [MIC] Audio generator OPC-478 (RS-232C type) to RS-232C port Standard signal generator to the antenna connector 0.1 µV to 32 mV (–127 dBm to –17 dBm) to USB port OPC-478U DO NOT transmit while (USB type) an SSG is connected to to USB port the antenna connector.
  • Page 61 STARTING SOFTWARE ADJUSTMENT (1) Connect the transceiver and PC with OPC-478/U/UC and JIG CABLE (see the previous page). (2) Turn the transceiver power ON. (3) Boot up Windows, and click the program group 'CS-F14 ADJ’ in the ‘Programs’ folder of the [Start] menu, then CS-F14 ADJ’s window appears.

  • Page 62: Frequency Adjustments

    5-2 FREQUENCY ADJUSTMENT 5-2-1 FREQUENCY ADJUSTMENT FOR OTHER THAN IC-F26-L 1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC’s keyboard. 2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC’s keyboard, then push the [ENTER] key. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION...
  • Page 63 5-2-2 FREQUENCY ADJUSTMENT FOR IC-F26-L 1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC’s keyboard. 2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC’s keyboard, then push the [ENTER] key. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION...

  • Page 64: Transmit Adjustments

    5-3 TRANSMIT ADJUSTMENT 5-3-1 TRANSMIT ADJUSTMENT FOR OTHER THAN IC-F26-L 1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC’s keyboard. 2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC’s keyboard, then push the [ENTER] key. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION...
  • Page 65 5-3-2 TRANSMIT ADJUSTMENT FOR IC-F26-L 1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC’s keyboard. 2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC’s keyboard, then push the [ENTER] key. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION...
  • Page 66 5-4 RECEIVE ADJUSTMENT 5-4-1 RECEIVE ADJUSTMENT FOR OTHER THAN IC-F26-L 1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC’s keyboard. 2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC’s keyboard, then push the [ENTER] key. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION...
  • Page 67 5-4-2 RECEIVE ADJUSTMENT FOR IC-F26-L 1) Select an adjustment item using cursor or [↑] / [↓] keys of the PC’s keyboard. 2) Set or modify the adjustment value as specifi ed using [←] / [→] keys of the PC’s keyboard, then push the [ENTER] key. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION...

  • Page 68: Section 6 Parts List

    SECTION 6. PARTS LIST [MAIN UNIT] (For other than F26-L) [MAIN UNIT] (For other than F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1110003201 S.IC TA31136FNG (EL) 51.8/19 6200007670 S.COL LQW2BHN10NJ03L [High band] 75.9/35.2 1130008561 S.IC TC75S51F (TE85L,F) 68.9/21 6200007680 S.COL LQW2BHN12NJ03L [Low band] 75.9/35.2 1140005991 S.IC...
  • Page 69 [MAIN UNIT] (For other than F26-L) [MAIN UNIT] (For other than F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 7030005040 S.RES ERJ2GEJ 472 X (4.7 k) 80/20.9 R174 7030005090 S.RES ERJ2GEJ 104 X (100 k) 19.4/28.8 7030003860 S.RES ERJ3GE JPW V 78/22.4 R175 7030005110 S.RES ERJ2GEJ 224 X (220 k)
  • Page 70 [MAIN UNIT] (For other than F26-L) [MAIN UNIT] (For other than F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017360 S.CER ECJ0EC1H030B [High band] 94.6/30.2 C109 4030017460 S.CER ECJ0EB1E102K 57.6/41.3 4030017570 S.CER ECJ0EC1H040B [Low band] 94.6/30.2 C110 4030017730 S.CER ECJ0EB1E471K 55.7/30.5 4030017460 S.CER ECJ0EB1E102K 92.8/33.4 C111...
  • Page 71 [MAIN UNIT] (For other than F26-L) [MAIN UNIT] (For other than F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION C230 4030016930 S.CER ECJ0EB1A104K 85.8/16.8 6510021901 S.CNR BM02B-ASRS-TF (LF) (SN) 86.6/6.8 C231 4030016790 S.CER ECJ0EB1C103K 74/13.3 6450001680 CNR HSJ1122-010010 C232 4030016930 S.CER ECJ0EB1A104K 76.2/13.3 6450002250 CNR HSJ1456-010320...
  • Page 72 [MAIN-B UNIT] (For IC-F26-L) [MAIN-B UNIT] (For IC-F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 1110003201 S.IC TA31136FNG (EL) 51.8/19 6200007881 S.COL ELJRF 33NJFB 59.2/38.6 1130008561 S.IC TC75S51F (TE85L,F) 68.9/21 6200007901 S.COL ELJRF 22NJFB 59.5/33.3 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 38.3/35.7 6200002851 S.COL NLV25T-R82J 55.2/28.1 1110005340 S.IC NJM12902V-TE1-#ZZZB...
  • Page 73 [MAIN-B UNIT] (For IC-F26-L) [MAIN-B UNIT] (For IC-F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION R101 7030005000 S.RES ERJ2GEJ 471 X (470) 51.4/43.3 R231 7030005120 S.RES ERJ2GEJ 102 X (1 k) 90.6/2.8 R103 7030005240 S.RES ERJ2GEJ 473 X (47 k) 33.1/27.8 R232 7030007300 S.RES ERJ2GEJ 332 X (3.3 k) 93.2/4.4...
  • Page 74 [MAIN-B UNIT] (For IC-F26-L) [MAIN-B UNIT] (For IC-F26-L) PARTS PARTS DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017460 S.CER ECJ0EB1E102K 46.5/18.9 C183 4030017420 S.CER ECJ0EC1H470J 74.1/24 4030017460 S.CER ECJ0EB1E102K 47.5/13.7 C185 4030017530 S.CER ECJ0EC1H0R5B 90.7/35.7 4030017460 S.CER ECJ0EB1E102K 53.4/22.6 C186 4030017530 S.CER ECJ0EC1H0R5B 92.1/38.7 4030017440 S.CER ECJ0EC1H221J 51.8/13.7...
  • Page 75 [MAIN-B UNIT] (For IC-F26-L) PARTS DESCRIPTION LOCATION C333 4030017420 S.CER ECJ0EC1H470J 76.8/39.9 C335 4030018860 S.CER ECJ0EB0J105K 54.6/22.6 C339 4030016930 S.CER ECJ0EB1A104K 5.9/17.2 C340 4030016930 S.CER ECJ0EB1A104K 9.3/12.5 C341 4030016930 S.CER ECJ0EB1A104K 5.9/10.1 C342 4030017630 S.CER ECJ0EC1H120J 18.3/4.2 C343 4030017580 S.CER ECJ0EC1H060C 5.6/4.2 C344 4030017640 S.CER ECJ0EC1H150J...
  • Page 76 • BC-160 (Optional) [MAIN UNIT] [MAIN UNIT] ORDER DESCRIPTION LOCATION ORDER DESCRIPTION LOCATION 4030006900 S.CER C1608 JB 1H 103K-T 32.9/69.7 4030006900 S.CER C1608 JB 1H 103K-T 32.9/71.1 1110006480 S.IC NJM2801U1-0543-TE1 10.2/62.3 4510008540 S.ELE EEE1CA100SR 17.5/63.8 1110003071 S.IC uPC494GS-E1-A 13/36.7 4030011600 S.CER C1608 JB 1E 104K-T 13.4/60.8 1140012301 S.IC uPD789112AMC-534-5A4-A...

  • Page 77: Section 7 Mechanical Parts

    SECTION 7. MECHANICAL PARTS [CHASSIS PARTS] [ANT UNIT] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. MP601 8510016350 2721 ANT PLATE 6910015910 ANT CONNECTOR 104 6910015860 IMSA-6277S-O2A-G 2260002870 AS-243-A13 [2CH] only [CONNECT UNIT] 2510001061 K036NA500-67 ORDER DESCRIPTION QTY. 8900009640 OPC-963 8900009640 OPC-963 [2CH] only J501 6910016390 IMSA-9230B-1-02Z145-PT1...
  • Page 78 IC-F24S/F25S/F26S MP37(C) MP13(C) MP17(C) J1(C) MP36(C) MP35(C) MP8(C) MP31(C) MP1(C) MP17(C) IC-F24S/F25S/F26S ANT Unit S1(C ) MP29( C ) W2 ( C ) CONNECT Unit MP30( C ) S4 ( M ) MP32(C) R226 ( M ) MAIN Unit MP14(C) MP28 ( C ) MP25 ( C ) MP11 ( C )

  • Page 79: Section 8 Board Layouts

    SECTION 8. BOARD LAYOUTS • MAIN/MAIN-B UNIT (TOP VIEW) C148 R169 R155 C259 C152 C153 C151 R124 C277 R168 C278 R181 C285 R180 R156 C261 R117 R118 R172 R237 C284 R182 C260 R157 C154 C149 C155 C116 C126 R123 C173 C117 C134 R297...
  • Page 80 R224 C346 R254 R255 C341 R238 R252 C344 R251 C326 R234 R236 • BC-160 • CONNECT UNIT (BOTTOM VIEW) • ANT UNIT (BOTTOM VIEW) (BOTTOM VIEW) C601 J1 (CHASSIS) S-14116IH-P2-w Printed in Japan © 2004−2008 Icom Inc. 8 - 2...

  • Page 81: Section 9 Block Diagram

    SECTION 9. BLOCK DIAGRAM MAIN/MAIN-B UNIT 3SK324 9 - 1...

  • Page 82: Voltage Diagram

    SECTION 10. VOLTAGE DIAGRAM VCO5 ACZ1005Y 2SC4116 RX VCO ANT UNIT ACZ1005Y 6.8K 6.8K *C127 2SK880 *C126 C211 1.8U 4. 7 R103 R104 2SC4226 C118 1 VCON 330K 1.8U 0.5P C102 2.5P 2 GND R301 *R80 CR-783 2.8N 2.8N 0.001 10.3N 13.6N 13.6N...

  • Page 83: Bc-160 (Optional)

    SECTION 11. BC-160 (Optional) RSQ035P03TR 100μ CHARGE [CHASSIS PARTS] 2SC4081 1SS355 REF. ORDER DESCRIPTION QTY. 2SC4081 VSENS 8010019750 2830 case battery 5.00V 4.7k 9.6uS 10.05V MCR10-JPW 8110008220 2830 cover 16.0V NJM2801U1-0543-TE1 8930039620 Leg cushion (A) MCR10-JPW 8.4V Screw PH BT M3 × 6 NI-ZU SM240A-T 8810008630 0.12...
  • Page 84 Phone : +81 (06) 6793 5302 F ax : +81 (06) 6793 0013 : http://ww w .icom.c o .jp/ w o r ld/ind e x.html <Co r po r ate Headqua r ters> Com m unication Equipment 2380 116th A v e n ue N.E., Bell e vu e , W A 98004, U . S .A.
  • Page 85 S-14116IZ-C1-w 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2004–2008 Icom Inc.

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