Icom IC-F11, Service Manual

Page 1: ...SERVICE MANUAL VHF TRANSCEIVERS...

Page 2: ...1 MAIN UNIT 1 piece 8810009510 Screw BO M 2 x 4 NI ZU IC F11 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassembli...

Page 3: ...REPARATION 5 1 5 2 PLL ADJUSTMENT 5 4 5 3 SOFTWARE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 MAIN...

Page 4: ...7 2 V negative ground 50 normal 2 2 k normal 8 normal 1st 31 050 MHz 2nd 450 kHz 30 C to 60 C 22 F to 140 F 25 C to 55 C 13 F to 131 F 1 6 A 5 W except F11BR 1 1 A 2 W F11BR only 0 7 A 1 W 70 mA 250 m...

Page 5: ...Low pass filter circuit IC12 16 NJM12904V Expander IC IC15 BU4094BCFV TX RX switch D3 D4 MA77 Analog switch IC6 BU4066BCFV APC IC2 TA75S01F AF amplifier IC4 TA7368F 1st mixer Q16 3SK272 CPU IC7 HD6433...

Page 6: ...J6 to separate the front panel and the chassis REMOVING THE MAIN UNIT Remove the searing rubber Unsolder 2 points E and unscrew 2 nuts F Unscrew 9 screws G silver 2mm to separate the chassis and the...

Page 7: ...nal is applied to a crystal filter FI1 to sup press out of band signals The filtered 1st IF signal is applied to the IF amplifier Q17 then applied to the 2nd mixer circuit IC3 pin 16 4 1 4 2ND IF AND...

Page 8: ...pass filter circuit IC5d pins 13 14 via the mute switch IC6 pins 2 3 4 The fil tered AF signals are applied to the modulator circuit after being passed through the mute switch IC6 pins 8 9 10 4 2 2 M...

Page 9: ...is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 5 The pulse t...

Page 10: ...RSSI LVIN Description Input port for RESET signal Outputs single tone encode signal Outputs CTCSS DTCS data signal Outputs serial clock signal to the PLL IC IC1 EEPROM IC11 etc Outputs data signal to...

Page 11: ...nal for the modulator circuit D6 CPU IC7 continued 4 5 2 OUTPUT EXPANDER IC IC15 Pin number 4 5 6 7 11 12 13 14 Port name CSFT RMUT MMUT DUSE T5C R5C S5C NWC Description Outputs clock shift control si...

Page 12: ...ial port 38400 bps or faster Microsoft Windows 95 or Windows 98 Intel i486DX processor or faster Pentium 100 MHz or faster recommended At least 16 MB RAM and 10 MB of hard disk space 640 480 pixel dis...

Page 13: ...5Ah 1 76 V BPF T2 45 2Dh 0 88 V BPF T3 76 4Ch 1 49 V T4 POW 60 3Ch 1 18 V REF 112 70h 2 20 V DTCS BL 141 8Dh 55 29 Dev 45 2Dh 0 88 V SQL Lev 150 96h 58 96 CH No 01 RX Freq 216 050 TX Freq RF Power Hi...

Page 14: ...or 0 1 V to 32 mV 127 dBm to 17 dBm SINAD meter Speaker 8 Audio generator OPC 478 CAUTION DO NOT transmit while an SSG is connected to the antenna connector DC POWER SUPPLY GND Battery type detector B...

Page 15: ...NT PLL LOCK VOLTAGE 1 2 3 Operating frequency 174 000 MHz Transmitting Operating frequency 146 000 MHz Receiving Transmitting MAIN Connect a digital multi meter to check point LV 4 0 V 0 8 1 8 V 0 8 1...

Page 16: ...audio applied to the MIC jack DTCS code 007 Transmitting REFERENCE FREQUENCY TXF OUTPUT POWER POWER Hi POWER L2 POWER L1 FM DEVIATION Wide MOD W Narrow MOD N DTCS WAVE FORM DTCS BAL Top panel Top pan...

Page 17: ...ELCH LEVEL SQL Top panel Top panel Connect a SINAD meter with an 8 load to the SP jack Connect a SINAD meter with an 8 load to the SP jack ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE UNIT LOCATI...

Page 18: ...190 S TRANSISTOR XP6501 TX AB Q21 1590000430 S TRANSISTOR DTC144EUA T106 Q22 1590002530 S TRANSISTOR UN911H TX Q23 1590000720 S TRANSISTOR DTA144EUA T106 Q24 1520000460 S TRANSISTOR 2SB1132 T100 R Q25...

Page 19: ...24 V 120 k A 7030003730 S RESISTOR ERJ3GEYJ 274 V 270 k B R66 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R68 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 R70 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R71...

Page 20: ...R ERJ3GEYJ 104 V 100 k R238 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R239 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R240 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R241 7030003440 S RESISTOR ERJ3GEYJ...

Page 21: ...JB 1H 102K T A C158 4030006860 S CERAMIC C1608 JB 1H 102K T A C159 4030006860 S CERAMIC C1608 JB 1H 102K T A C160 4510004640 S ELECTROLYTIC ECEV1CA470SP C161 4030006860 S CERAMIC C1608 JB 1H 102K T A...

Page 22: ...MIC C1608 JB 1C 104KT N C265 4030006980 S CERAMIC C1608 CH 1H 070D T A C266 4550000530 S TANTALUM TESVA 1V 104M1 8L C267 4030011770 S CERAMIC C1608 CH 1H 060B T A C268 4030009550 S CERAMIC C1608 CH 1H...

Page 23: ...AG 1 MP27 8210017090 2337 terminal holder 1 MP28 8930052840 2337 T rubber 1 MP29 8810009510 B0 M02 x 4 NI ZU BT 10 MP30 8930043760 1923 Mic seal 1 MP32 8950004671 ANT connector 101A 1 MP33 8830001250...

Page 24: ...0 C MP21 C MP32 C MP8 C MP29 C MP29 C MP12 C MP9 C MP22 C IC F11BR F11S F12S MP34 C MP27 C MP14 C MP13 C MP39 C MP29 C MP35 C F11BR F11S F12S only MP29 C MP7 C MP20 C MP11 C MP30 C MP29 C MP29 C MP2 M...

Page 25: ...TC144 EU Symbol 26 UN911 H Symbol 6P XP1213 Symbol 9L 3SK294 Symbol UV DTA144 EU Symbol 16 TRANSISTOR AND FET S B E C B E C B E C G S D S D G top view S B E C B E C B E C B E C B E C B C E E1 B1 B2 C1...

Page 26: ...1 C60 R31 R29 C48 C38 L15 C65 C51 Q10 L17 L16 C268 D5 D7 R214 C163 C166 R238 R102 C164 J3 C213 X2 C140 R221 R78 C124 R77 D4 R18 R92 C145 C143 C34 C125 R80 R81 R13 R79 C37 R16 D3 R17 C36 R243 R253 R244...

Page 27: ...R76 Q16 C126 L25 C139 C144 C127 L26 R85 C128 R86 C137 R89 C136 IC3 R91 Q17 R90 R95 C39 R88 C129 C132 R83 C133 C130 C167 R109 D23 R103 R247 C171 R107 Q20 FI1 C134 Q19 IC4 R106 C170 C168 C169 R105 C215...

Page 28: ...9 5 9 2 SW A AND SW B UNITS TOP VIEW SW A UNIT F1 Q1 DS1 B5603C SW B UNIT F1 Q1 DS1...

Page 29: ...IT SW B UNIT R2 R3 R1 S1 J2 to the MAIN unit J2 1 7 CBI0 VOLOUT VOLIN VCC RLED TLED GND J1 to the MAIN unit J1 1 4 CBI0 CBI1 CBI2 CBI3 S1 W1 R2 R3 W2 R1 B5604C J2 to the MAIN unit J2 1 7 CBI0 VOLOUT V...

Page 30: ...SEMBLY INFORMATION MP1 MP2 MP6 MP3 MP4 MP5 MP3 CHARGE unit MP3 MP3 NOTE B A CHASSIS UNIT CHARGE UNIT A A A MP1 B MP2 B A A A A A A REF NO ODER NO DESCRIPTION QTY CHARGE UNIT R1 7010007550 RESISTOR ERG...

Page 31: ...10 2 10 3 VOLTAGE DIAGRAM 10 4 BOARD LAYOUT MP1 R1 68 J1 HEC0470 01 230 R2 1k DS1 TLG124A MP2 C 13 8V N 13 8V C 7 2V N 13 8V C 9 2V N 13 8V J1 MP1 MP2 B5650 R1 R2 DS1...

Page 32: ...VERSION S1 AS 244 A13 VCC CH SELECT EMERGENCY S1 SW A TP70QF4161 SW B EMER SKHHLP014A VOLOUT CBI0 AF AMP REG AFON SP SP Q19 2SB1132 Q20 XP6501 AFOUT S3 J5 HSJ1456 01 220A INT SP PTT INT MIC F1 F2 EXT...

Page 33: ...26 0 1 C229 0 0068 C230 0 01 C233 0 1 C234 820P R188 470 k R189 100 k R190 47k R191 47k R192 18 k R193 220 k R194 68 k R195 120 k R197 22 k 5 4 3 2 1 3 2 1 5 4 C227 0 01 C228 0 1 R196 22 k C232 0 0012...

Page 34: ...15 P EXST SO SCK PLST DAST EXST PTT TXC RLED TLED AFON ESDA CLI CLO R146 100 k R199 47 k BEEP SO SCK CBI3 CBI2 CENC2 CENC1 CENC0 SENC3 SENC2 CBI1 CBI0 SENC1 SENC0 R201 1 k C216 0 01 R202 100 k C247 0...

Page 35: ...C200 0 027 R158 12 k R179 180 k CENC1 CENC2 CSFT MMUT RMUT RES RES CPU5V OSC2 R156 1 M C198 0 1 1 2 3 15 R155 10 X3 CR 702 C193 22 P C194 15 P EXST SO SCK PLST DAST EXST PTT TXC RLED TLED AFON ESDA C...

Page 36: ...V RX SQL OPEN 2 1 V RX SQL OPEN 4 8 V TX 4 8 V RX SQL OPEN 0 V TX 2 4 V TX 0 V TX 4 1 V TX 0 V TX 0 V RX SQL OPEN 0 V SW B UNIT CHASSIS UNIT 2CH VERSION S1 W1 W2 EMERGENCY VERSION S1 CP8 HV TP76N00N...

Page 37: ......

Page 38: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13806IZ C1V 2001 Icom Inc...

Page 39: ...SERVICE MANUAL UHF TRANSCEIVERS...

Page 40: ...F21 MAIN UNIT 1 piece 8810004860 Screw PH M 2 x 6 ZK IC F21 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassemblin...

Page 41: ...MENT 5 4 5 3 SOFTWARE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 IC F22 F22S F22SR MAIN UNIT 9 1 9...

Page 42: ...2 k normal 8 normal 1st 46 350 MHz 2nd 450 kHz 30 C to 60 C 22 F to 140 F 25 C to 55 C 13 F to 131 F 1 6 A 4 W except A C 1 2 A 2 W except C 0 5 A 0 5 W ERP C only 0 8 A 1 W 70 mA 250 mA 54 W 128 H 3...

Page 43: ...2904V Expander IC IC15 BU4094BCFV TX RX switch D3 D4 MA77 Analog switch IC6 BU4066BCFV APC IC2 TA75S01F AF amplifier IC4 TA7368F 1st mixer Q19 2SB1132 R CPU IC7 HD6433664A24FP F21 F21S F21BR F21GM F22...

Page 44: ...J6 to separate the front panel and the chassis REMOVING THE MAIN UNIT Remove the searing rubber Unsolder 2 points E and unscrew 2 nuts F Unscrew 9 screws G silver 2mm to separate the chassis and the...

Page 45: ...is applied to a crystal filter FI1 to sup press out of band signals The filtered 1st IF signal is applied to the IF amplifier Q17 then applied to the 2nd mixer circuit IC3 pin 16 4 1 4 2ND IF AND DEM...

Page 46: ...e passed through the low pass filter circuit IC5d pins 13 14 via the mute switch IC6 pins 2 3 4 The fil tered AF signals are applied to the modulator circuit after being passed through the mute switch...

Page 47: ...section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 5...

Page 48: ...SDEC RSSI LVIN Description Input port for RESET signal Outputs single tone encode signal Outputs CTCSS DTCS data signal Outputs serial clock signal to the PLL IC IC1 EEPROM IC11 etc Outputs data signa...

Page 49: ...nal for the modulator circuit D6 CPU IC7 continued 4 5 2 OUTPUT EXPANDER IC IC15 Pin number 4 5 6 7 11 12 13 14 Port name CSFT RMUT MMUT DUSE T5C R5C S5C NWC Description Outputs clock shift control si...

Page 50: ...port 38400 bps or faster Microsoft Windows 95 or Windows 98 Intel i486DX processor or faster Pentium 100 MHz or faster recommended At least 16 MB RAM and 10 MB of hard disk space 640 480 pixel display...

Page 51: ...5Ah 1 76 V BPF T2 45 2Dh 0 88 V BPF T3 76 4Ch 1 49 V T4 POW 60 3Ch 1 18 V REF 112 70h 2 20 V DTCS BL 141 8Dh 55 29 Dev 45 2Dh 0 88 V SQL Lev 150 96h 58 96 CH No 01 RX Freq 216 050 TX Freq RF Power Hi...

Page 52: ...ry type detector Battery type detector DC POWER CABLE CONNECTIONS NOTE When you adjust the output power high power the battery type detector must be con nected to GND see illustration at above Ohterwi...

Page 53: ...PLL LOCK VOLTAGE 1 2 Operating frequency 440 000 MHz A 462 550 MHzB C 446 00625 MHz D Receiving Transmitting MAIN Connect a digital multi meter to check point LV 1 3 V A C 1 8 V D 1 3 V A C 1 8 V D M...

Page 54: ...ow switch Low1 No audio applied to the MIC jack DTCS code 007 Transmitting REFERENCE FREQUENCY TXF OUTPUT POWER POWER Hi POWER L2 POWER L1 FM DEVIATION Wide MOD W A B C only Narrow MOD N DTCS WAVE FOR...

Page 55: ...F T1 BPF T4 SQUELCH LEVEL SQL Top panel Top panel Connect a SINAD meter with an 8 load to the SP jack Connect a SINAD meter with an 8 load to the SP jack ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VA...

Page 56: ...5L Q16 1580000660 S FET 3SK272 TX Q17 1530002600 S TRANSISTOR 2SC4215 O TE85R Q18 1530002690 S TRANSISTOR 2SC4116 GR TE85R Q19 1520000460 S TRANSISTOR 2SB1132 T100 R Q20 1590001190 S TRANSISTOR XP6501...

Page 57: ...GEYJ 101 V 100 R61 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R62 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R63 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R64 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k...

Page 58: ...J3GEYJ 683 V 68 k R223 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R224 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R225 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R226 7030003660 S RESISTOR ERJ3GEYJ 683 V...

Page 59: ...ERAMIC C1608 CH 1H 560J T A C152 4030007010 S CERAMIC C1608 CH 1H 100D T A C153 4030006900 S CERAMIC C1608 JB 1H 103K T A C154 4030007170 S CERAMIC C1608 CH 1H 221J T A C155 4030007170 S CERAMIC C1608...

Page 60: ...ERAMIC C1608 CH 1H 470J T A J1 6910013720 CONNECTOR IMSA 9230B 04Z120 T F only J2 6910013730 CONNECTOR IMSA 9230B 07Z120 T J3 6510021900 S CONNECTOR BM02B ASRS TF J4 6450001680 CONNECTOR HSJ1122 01001...

Page 61: ...40 2337 T rubber 1 MP29 8810009510 B0 M 2 x 4 NI ZU BT 10 MP30 8930043760 1923 Mic seal 1 MP32 8950004671 ANT connector 101A except F22SR 1 MP33 8830001250 ANT connector 101 nut 1 MP34 8930055110 2458...

Page 62: ...MP32 C MP8 C MP29 C MP29 C MP12 C MP9 C MP22 C IC F21S F21BR F22S MP34 C MP27 C MP14 C MP13 C MP39 C MP29 C MP35 C F21S F21BR and F22S only MP7 M MP29 C MP7 C MP20 C MP11 C MP30 C MP29 C MP29 C MP2 M...

Page 63: ...ol 26 UN911 H Symbol 6P XP1213 Symbol 9L XP1214 Symbol 9H 3SK293 Symbol UF DTA144 EUA Symbol 16 TRANSISTOR AND FET S B E C B E C B E C G S D S D G top view S D S G2 G1 B E C B E C B E C XP4216 Symbol...

Page 64: ...EP2 C38 C140 R221 IC13 IC12 C188 S2 C172 R192 C230 R190 C229 R193 C226 R196 C228 R197 C231 R198 C94 Q30 R166 R167 C204 R168 R111 R110 R112 R123 C177 R121 R114 R94 C143 R92 C145 C260 R242 R115 R138 C1...

Page 65: ...122 C120 R74 C121 R75 C123 R76 C138 C202 R93 C139 C126 R82 L25 C144 R84 R85 C129 C132 C127 C128 R86 C137 R89 C136 R91 R100 R101 C189 C190 R142 R99 C154 C155 R98 C147 R95 R90 R88 C39 C148 C146 R185 C15...

Page 66: ...4 C172 S2 R111 R110 R112 R123 FI2 X2 X2 C140 R78 C40 R19 R20 R21 C51 C53 W4 L10 Q5 C48 Q10 EP2 R28 C50 R29 R214 C38 R221 C124 R77 R18 C163 MC1 R102 C164 J3 J3 R238 C213 J5 C237 C166 C27 R10 R7 R8 C26...

Page 67: ...C74 C75 C132 C133 Q20 R74 L24 C122 C121 R75 Q16 C123 R76 C138 C202 R93 C126 R82 L25 C144 C139 C127 R84 L26 R85 C128 R86 C136 R89 C137 R91 Q17 R90 C39 R100 C154 IC3 R101 C189 C190 R142 R99 C155 R98 C14...

Page 68: ...9 5 9 3 SW A AND SW B UNITS TOP VIEW SW A UNIT F1 Q1 DS1 B5603C SW B UNIT F1 Q1 DS1...

Page 69: ...IT SW B UNIT S1 R2 R3 R1 J2 to the MAIN unit J2 1 7 CBI0 VOLOUT VOLIN VCC RLED TLED GND J1 to the MAIN unit J1 1 4 CBI0 CBI1 CBI2 CBI3 S1 W1 W2 R2 R3 R1 B5604C J2 to the MAIN unit J2 1 7 CBI0 VOLOUT V...

Page 70: ...IT 10 1 PARTS LIST 10 2 DISASSEMBLY INFORMATION MP1 MP2 MP6 MP3 MP4 MP5 MP3 CHARGE unit MP3 MP3 NOTE B A CHASSIS UNIT CHARGE UNIT A A A MP1 B MP2 B A A A A A A REF NO ODER NO DESCRIPTION QTY CHARGE UN...

Page 71: ...10 2 10 3 VOLTAGE DIAGRAM 10 4 BOARD LAYOUT MP1 R1 68 J1 HEC0470 01 230 R2 1k DS1 TLG124A MP2 C 13 8V N 13 8V C 7 2V N 13 8V C 9 2V N 13 8V J1 MP1 MP2 B5650 R1 R2 DS1...

Page 72: ...A13 VCC CH SELECT EMERGENCY S1 SW A TP70QF4161 SW B EMER SKHHLP014A VOLOUT CBI0 AF AMP REG AFON SP SP Q19 2SB1132 Q20 XP6501 AFOUT S3 J5 HSJ1456 01 220 INT SP PTT INT MIC F1 F2 EXT SP IC4 TA7368F CLI...

Page 73: ...0 01 C206 10 C203 0 01 C204 0 01 C235 820 P R166 470 k R167 470 k R168 470 k R203 1 5 k R204 390 k R205 180 k R206 82 k R207 39 k R208 100 k R209 100 k C236 0 022 1 2 3 11 4 R187 470 R5V C224 0 033 C2...

Page 74: ...k 1 2 3 11 4 C196 470 P C199 0 001 R159 12 k R177 22 k R180 47 k R178 56 k R179 180 k D16 MA77 R163 1 k R176 22 k C200 0 027 R158 12 k CENC0 CENC1 CENC2 CSFT MMUT RMUT RES RES CPU5V OSC2 R156 1 M C19...

Page 75: ...00 k D17 RB706F 40 R213 470 R216 22 k R245 100 S5V S5V R5V C207 10 C208 0 01 C209 0 1 R170 2 2 k C205 0 1 R219 220 k C259 0 01 C206 10 C203 0 01 C204 0 01 C235 820 P R166 470 k R167 470 k R168 470 k R...

Page 76: ...V RX SQL OPEN 2 1 V RX SQL OPEN 4 8 V TX 4 8 V RX SQL OPEN 0 V TX 2 4 V TX 0 V TX 4 1 V TX 0 V TX 0 V RX SQL OPEN 0 V SW B UNIT CHASSIS UNIT 2CH VERSION S1 W1 W2 EMERGENCY VERSION S1 CP8 HV TP76N00N...

Page 77: ......

Page 78: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13806IZ C1U 2001 Icom Inc...