Icom IC-F80DS, Service Manual

Page 1: ...SERVICE MANUAL UHF TRANSCEIVERS ...

Page 2: ...2 8 SUS SSBC IC F80DS Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits or electronic...

Page 3: ...6 PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 SOFTWARE ADJUSTMENT 5 4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMICONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 FRONT UNIT 9 1 9 2 MAIN UNIT 9 3 9 3 FUSE BOARD 9 3 9 4 ANT BOARD 9 3 9 5 DSP UNIT IC F80DT DS only 9 5 9 6 VR BOARD 9 5 SECTION 10 BLOCK DIAGRAM SECTION 11 VOLTAGE DIAG...

Page 4: ... dB typ Adjacent channel power 60 dB Narrow 70 dB Wide Audio harmonic distortion Less than 3 Limiting charactor of modulator 60 100 of max deviation FM hum and noise 35 dB typ Narrow 40 dB typ Wide Audio frequency response 2 dB to 8 dB of 6 dB octave from 300 Hz to 2550 Hz Narrow 2 dB to 8 dB of 6 dB octave from 300 Hz to 3000 Hz Wide Microphone impedance 600 Ω M RECEIVER Receive system Double con...

Page 5: ...verter IC303 M62364FP DSP unit IC F70DS DT only Power amplifier Q203 RD07MVS1 APC amplifier IC200 TC75S51F RF amplifier Q502 3SK293 D A converter IC310 M62334FP VCO circuit AF volume IC303 M62364FP DSP unit IC F80DT DS only TOP VIEW BOTTOM VIEW CPU5V regulator IC311 TK11250CM YGR amplifier Q11 2SC5110 O PLL IC IC1 LMX2352TM IF IC IC3 TA31136FN Audio processor IC301 AK2346 Digital Analog switch IC3...

Page 6: ...ints I and remove the shield plate J 4 Unscrew 10 screws K and remove the MAIN unit from the CHASSIS REMOVING THE FRONT UNIT 1 Disconnect the speaker cable L from J201 2 Disconnect the cable M from J2 3 Unscrew 5 screws N and remove the FRONT unit from the front panel 3 1 5 Disconnect the cable G from J1 and remove the CHASSIS unit from the front panel C E E E A B D F O ring Be careful not to lost...

Page 7: ...C500 L503 L504 L506 by being mixed with the 1st LO signal generated at the RX VCOs Q600 D604 D605 for 400 434 MHz Q601 D606 D607 for 435 470 MHz The 1st IF signal from the 1st mixer is passed through the crystal filter FI500 to suppress unwanted signals and then amplified at the 1st IF amplifier Q500 The amplified 1st IF signal is applied to the FM IF IC IC3 pin 16 4 1 4 2nd IF AND FM DEMODULATOR ...

Page 8: ...ut signals when no RF signals are received By detecting noise components in the demodulated AF signals the squelch circuit switches the AF mute swithch and AF power amplifier controller ON and OFF A portion of the demodulated AF signals from the FM IF IC IC3 pin 9 are applied to the converter IC303 pin 1 to be adjusted its level The level controlled signals are output from pin 2 and applied to the...

Page 9: ...generated by the CPU IC307 and output from pins 89 91 CENC0 CENC1 CENC2 The CTCSS DTCS signals are passed through 3 regis ters R374 R376 to change its wave form The wave form changed CTCSS DTCS signals are then passed through the LPF IC12 pins 8 10 and applied to the converter IC303 pin 9 to be adjusted its level and output from pin 10 The level adjusted CTCSS DTCS signals are applied to the AF mi...

Page 10: ... L506 and the transmit TX signal is applied to the buffer amplifier Q200 A portion of the signal from the buffer amplifier Q605 Q606 is fed back to the PLL IC IC1 pin 6 as the compari son signal via the buffer amplifier Q608 and the LPF L2 L3 C22 C25 C27 C28 C37 4 4 Loop filter PLST SSO SCK 4 Q601 D606 D607 RX VCO 435 470 MHz Q600 D604 D605 RX VCO 400 434 MHz TX VCO Q602 D608 609 6 10 14 15 16 PLL...

Page 11: ... 6 1 CPU IC307 Pin number Port name Description 4 7 R1 R2 R4 R8 Input ports for rotary selector VR UNIT S1 10 SSO Outputs serial data to the PLL IC IC1 pin 15 and D A converter IC303 pin 8 11 SCK Outputs clock signal to the PLL IC IC1 pin 14 and D A converter IC303 pin 7 etc 13 PLST Outputs strobe signals to the PLL IC IC1 pin 16 15 DASW Outputs control signal to the digital analog switch IC302 Lo...

Page 12: ...r FRONT UNIT IC2 81 FSCL Outputs clock signal to the expander FRONT UNIT IC2 88 SIDE2 Input port for DOWN switch MAIN UNIT S2 Low While DOWN switch is pushed 89 91 CENC0 CENC2 Output the CTCSS DTCS signals Pin number Port name Description 92 SIDE3 Input port for MONITOR switch MAIN UNIT S4 Low While MONITOR switchispushed 93 MTDT Outputs the MSK data to the base band IC IC301 pin 10 94 MDIR Output...

Page 13: ...ppear Then click Finish u Eject the CD i Program group CS F70 F1700 ADJ appears in the Pro grams folder of the start menu and CS F70 F1700 ADJ icon appears on the desk top screen BEFORE STARTING SOFTWARE ADJUSTMENT Clone the adjustment frequencies into the transceiver and set the configuration using with the CS F70 F1700 CLONING SOFTWARE before starting the software adjustment Other wise the trans...

Page 14: ...TER n 7 7 REQUENCY COUNTER 3TANDARD SIGNAL GENERATOR 6 TO M6 n D M TO n D M 54 4 TRANSMIT WHILE THE 33 IS CONNECTED TO THE ANTENNA CONNECTOR 2 4 5 4 53 5 4 5 4 30 5 4 0 7 2 3500 9 6 0 5 2 CONNECTION DD A JUMPER WIRE HERE LECTROLYTIC CAPACITOR 0 LONING CABLE UDIO GENERATOR Z TO K Z MILLIVOLTMETER 044 044 30n 30 n JIG cable ...

Page 15: ...sitivity for center manual 3 Receive sensitivity for low edge automatic 4 Receive sensitivity for low edge manual 5 Receive sensitivity for high edge automatic 6 Receive sensitivity for high edge manual 7 PLL lock voltage preset for RX automatic 8 PLL lock voltage preset for TX automatic 9 S meter FM 0 S meter digital 1 Deviation narrow 2 Deviation wide 3 Deviation digital 4 DSP reference frequenc...

Page 16: ...r 50 Ω dummy load to the antenna connector Transmitting REFERENCE FREQUENCY REF Operating CH CH 3 Top panel Loosely couple a frequency counter to the antenna connec tor 470 000000 MHz L 520 000000 MHz H 100 Hz Connect an RF power meter or 50 Ω dummy load to the antenna connector Transmitting DSP REFERENCE FREQUENCY Dig REF Operating CH CH 8 DSP unit Connect a frequency counter to the pin 4 of IC13...

Page 17: ...ector through an attenuator Set to square wave form No audio applied to the JIG cable Set an FM deviation meter as HPF LPF De emphasis Detector OFF 20 kHz OFF P P 2 Push P0 while transmitting FM DEVIATION NARROW MOD N C 1 Operating CH CH 2 Top panel Connect an FM deviation meter to the antenna connector through an attenuator 2 00 to 2 10 kHz Connect an audio generator to the JIG cable and set as 1...

Page 18: ...l Connect an FM deviation meter to the antenna connector through an attenuator 0 91 to 1 01 kHz Verify 2 Operating CH Transmitting CH 9 MOD Dig L 3 Operating CH Transmitting CH 10 MOD Dig H 4 Operating CH Transmitting CH 11 CTCSS DTCS DEVIATION CTCSS DTCS 1 Operating CH CH 12 Top panel Connect an FM deviation meter to the antenna connector through an attenuator 0 60 to 0 70 kHz No audio applied to...

Page 19: ...e of BPF C L H as desired w 2 Push ENTER key to start tuning w 3 Repeat w 1 and w 2 to perform additional BPF tuning Digital RSSI Dig RSSI 1 Operating CH CH 9 Put the cursor on Dig RSSI and push the ENTER key to set the Digial RSSI level Connect the SSG to the antenna connec tor and set as Frequency Level Modulation Receiving 435 000 MHz L 485 000 MHz H 20 dBµ 127 dBm No modulation S METER RSSI 1 ...

Page 20: ...GEJ 103 X 10 kΩ B 16 3 54 2 R203 7030003830 S RES ERJ3GEYJ 185 V 1 8 MΩ B 26 8 71 1 R204 7030005120 S RES ERJ2GEJ 102 X 1 kΩ B 15 5 48 9 R205 7030005050 S RES ERJ2GEJ 103 X 10 kΩ B 14 5 49 2 R207 7030005600 S RES ERJ2GEJ 273 X 27 kΩ B 11 8 63 6 R208 7030007060 S RES ERJ2GEJ 684X 680 kΩ B 12 6 69 7 R209 7030005230 S RES ERJ2GEJ 334 X 330 kΩ B 13 8 68 6 R210 7030007340 S RES ERJ2GEJ 153 X 15 kΩ B 13...

Page 21: ... 22 1 87 7 DS203 5040002960 S LED SML A12MT T86 T 32 6 87 7 MC201 7700002310 MIC EM 140 S117 2260002800 S SW SW 167 SKQTLAE010 B 38 5 129 IC1 1130010100 S IC LMX2352TMX B 75 8 36 7 IC2 1110005340 S IC NJM12902V TE1 T 75 7 37 IC3 1110003490 S IC TA31136FN D EL B 57 6 30 4 IC12 1110005340 S IC NJM12902V TE1 T 56 5 13 1 IC200 1130008560 S IC TC75S51F TE85L T 101 6 18 4 IC300 1130009700 S IC LC73872M ...

Page 22: ...79 2 20 1 R59 7030007570 S RES ERJ2GEJ 122 X 1 2 kΩ B 64 38 9 R60 7030007060 S RES ERJ2GEJ 684X 680 kΩ B 65 4 38 R63 7030008400 S RES ERJ2GEJ 182 X 1 8 kΩ B 58 4 23 8 R64 7030007250 S RES ERJ2GEJ 220 X 22 Ω T 65 4 27 5 R66 7030005220 S RES ERJ2GEJ 223 X 22 kΩ B 60 23 4 R67 7030005220 S RES ERJ2GEJ 223 X 22 kΩ B 62 4 23 9 R68 7030005220 S RES ERJ2GEJ 223 X 22 kΩ B 52 9 24 4 R69 7030005220 S RES ERJ...

Page 23: ...kΩ B 108 8 42 3 R435 7030004980 S RES ERJ2GEJ 101 X 100 Ω B 117 38 6 R436 7030005050 S RES ERJ2GEJ 103 X 10 kΩ B 122 2 40 8 R437 7030005090 S RES ERJ2GEJ 104 X 100 kΩ T 5 1 7 2 R438 7030005090 S RES ERJ2GEJ 104 X 100 kΩ T 3 1 8 1 R439 7030005700 S RES ERJ2GEJ 274 X 270 kΩ B 120 2 29 2 R440 7030010080 S RES ERJ2RHD 104 X 100 kΩ B 120 2 28 3 R441 7030004980 S RES ERJ2GEJ 101 X 100 Ω T 5 4 36 8 R442 ...

Page 24: ...ECJ0EC1H050B T 104 3 35 5 C213 4030017460 S CER ECJ0EB1E102K B 104 2 33 C214 4030017460 S CER ECJ0EB1E102K T 103 4 33 9 C215 4030017350 S CER ECJ0EC1H020B H B 102 1 28 1 4030017570 S CER ECJ0EC1H040B L B 102 1 28 1 C216 4030017350 S CER ECJ0EC1H020B H B 102 8 35 6 4030017550 S CER ECJ0EC1H1R5B L B 102 8 35 6 C219 4030017600 S CER ECJ0EC1H080C H T 101 1 34 4030017630 S CER ECJ0EC1H120J L T 101 1 34...

Page 25: ... 109 39 9 C444 4550006250 S TAN TEESVA 1A 106M8L B 23 6 32 9 C445 4550005980 S TAN TEESVA 1A 475M8L B 114 3 42 1 C446 4030016930 S CER ECJ0EB1A104K T 79 12 9 C447 4030016930 S CER ECJ0EB1A104K B 116 38 6 C448 4030018860 S CER ECJ0EB0J105K B 122 7 32 3 C449 4030018860 S CER ECJ0EB0J105K B 116 7 34 6 C450 4030016790 S CER ECJ0EB1C103K T 11 1 34 1 C451 4510004630 S ELE ECEV1CA100SR T 120 2 36 3 C452 ...

Page 26: ...370 S BEA ACZ1005Y 102 T B 25 3 20 1 IC1 1180002590 S REG XC6204B332MR B 2 1 19 5 IC2 1180002740 S REG R1230D151F TR F B 2 9 30 3 IC3 1180002590 S REG XC6204B332MR T 23 7 7 5 IC4 1110003800 S IC NJM2904V TE1 T 14 5 11 8 IC5 1110006230 S IC NJM2711F TE1 B 14 6 16 4 IC7 1140011980 S IC TMS320VC5416GGU120 B 11 8 30 4 IC8 1190002080 S IC AD7476ARTZ 500RL7 T 14 7 18 4 IC9 1130011610 S IC AK4550VT E2 T ...

Page 27: ...30017420 S CER ECJ0EC1H470J T 4 9 13 2 C32 4030016930 S CER ECJ0EB1A104K B 19 6 18 6 C33 4030016790 S CER ECJ0EB1C103K T 12 4 14 6 C35 4030017420 S CER ECJ0EC1H470J B 3 1 7 2 C36 4030017420 S CER ECJ0EC1H470J B 4 3 7 5 C38 4030017420 S CER ECJ0EC1H470J B 3 11 3 C39 4030017760 S CER ECJ0EB1H222K B 19 6 20 4 C40 4030017420 S CER ECJ0EC1H470J B 7 8 9 9 C41 4030017420 S CER ECJ0EC1H470J T 12 9 9 3 C42...

Page 28: ... 2 MP44 8830002430 2803 ANT nut 1 MP47 8810010480 Screw PH B0 2X6 SUS SSBC 2 MP49 8810010120 Screw PH B0 2X8 SUS ZK 4 MP50 8820001320 2795 screw 2 MP51 8810009510 Screw PH B0 2X4 Ni Zu BT 10 MP52 8810008970 Screw FH B0 2X3 5 Ni ZU BT 2 MP53 8810010430 Screw truss M3X5 SUS SSBC 1 MP55 8930063060 2721 T rubber 1 MP56 8850002590 2803 ANT washer 1 MP57 8810009180 Screw FH BT B0 2X5 Ni Zu BT 5 REF ORDE...

Page 29: ... F DS2 F MP5 F MP3 F MP2 F MP41 C MP10 C IC F80DS S IC F80DT T FRONT UNIT MP49 C Unit abbreviations F FRONT UNIT M MAIN UNIT C CHASSIS PARTS V VR BOARD D DSP UNIT A ANT BOARD F FUSE BOARD MP4 M W1 C MP1 D MP51 C MP51 C MP51 C MP51 C MP51 C MP5 M MP3 M MP51 C MAIN UNIT DSP UNIT IC F80DT DS only Glue Once J1 C and J2 C are removed from the chassis the glue must be applied to the area described as ab...

Page 30: ...06 RD01MUS1 RD07MVS1 RSR025N03 TPC6103 UMG2N XP1214 XP6501 AB Symbol HQ Symbol BAQ Symbol RF Symbol BR Symbol LL Symbol LY Symbol QO Symbol QY Symbol R25 Symbol 24 Symbol MFO Symbol K1 Symbol XY Symbol UF Symbol 14 Symbol 16 Symbol F12 Symbol 26 Symbol 26_ Symbol K2 Symbol RD07MVS1 Symbol QY Symbol S3C Symbol G2 Symbol 9H Symbol 5N C A1 A2 C A1 A2 A C A C A C A C A C A C2 C1 A C2 C1 A C A C A C 1S...

Page 31: ...H5 H10 H15 H20 H25 H30 H35 H40 H45 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V70 V75 V60 V80 V90 V95 V100 V85 V105 V110 V115 V125 V130 V120 7 4 1 P0 P1 P2 P3 0 8 5 2 9 6 3 MP6 MP4 MP4 MP1 DS2 MP3 9 1 FRONT UNIT TOP VIEW ...

Page 32: ...ENCY SPEAKER CHASSIS SP1 W2 2 1 VDD1 1 8 to LCD DS2 J101 VDD2 3 RES SDA SCL VSS VSS V_LCD TP 1 20 J2 R8 R4 R2 R1 GND LED GND PWRSW 5V AFVI XRXD RESET MICE AFO DETECT VCC XTXD MIC EXPTT to VR board MP7 30 1 to MAIN unit J3 J1 EXPTT 5V 5V R1 R2 R4 R8 RESB XRXD XTXD RES GND FSCL FSDA AFON SPCON MCON PTTSW PTTI EM KR PWRSW VOXOUT AFVI OPTV VCC VCC SP MIC GND 9 2 BOTTOM VIEW FRONT UNIT ...

Page 33: ...DAFON NC DRMT NC DAFO NC CCS IRQD CSO DCSI CCK 5 1 1 6 1 0 3 PTTI DPTT DMO DMI RSSID BUSY NC NC NC NC DFIL GND NC DTXD DRXD t i n u l a n o i t p O o t 1 J GND CPU5 VCC AMMT AFONO BEPO ARMT DISC2 AFOUT REM CCS IRQA CSO ACSI CCK 5 1 1 6 1 0 3 PTTI PTTO MCOT MCIN NC BUSY NC SIG OPT1 OPT2 OPT3 GND OPV3 OPV2 OPV1 0 3 1 1 J t i n u T N O R F o t 3 J GND MIC SP VCC VCC OPTV AFVI VOXOUT PWRSW KR EM PTTI ...

Page 34: ...15 V0 V25 V30 V35 V20 V45 V40 3 1 5 6 1 8 16 9 1 8 16 9 1 12 24 13 16 9 1 8 75 51 50 100 1 26 76 25 1 7 14 8 1 4 8 5 1 3 6 4 1 12 24 13 9 4 BOTTOM VIEW MAIN UNIT BOTTOM VIEW FUSE BOARD H5 H10 H15 H0 V5 V0 TOP VIEW ANT BOARD Low band TOP VIEW ANT BOARD High band H5 H10 H0 V5 V10 V15 V0 MP1 H5 H10 H0 V5 V10 V15 V0 MP1 ...

Page 35: ...ST SW1_B SW2_B SW2_A SW3_A GND LED GND POWER_SW 5V AFVI XRXD RESET MICE AFO DETECT VCC XTXD MIC PTT MULTI CONNECTOR VOLUME CONTROL ROTARY SELECTOR DS1 H5 H10 H15 H20 H25 H0 V5 V10 V15 V0 V25 V30 V35 V20 V40 1 4 1 8 16 76 100 50 26 25 1 51 75 9 8 5 20 11 1 10 to MAIN unit J2 J1 SCK 16 30 SI SO CIRQ CCS FLASH_RXD AFOUT FLASH_TXD RMUT 3 3V AFON MMUT VCC 5V GND 15 1 RXD TXD RTS AGND DFIL MD2 CPU_VDD C...

Page 36: ... IC307 HD64F2268TF X302 CR 803 IC10 NJM2711F IC15 TC7MET541AFK IC13 TC7S04F IC14 S 80928CNMC X1 CR 798 12 288MHz DSP UNIT IC F80DT DS only IC308 HN58X24128FPI IC300 LC73872M DAST SCK SC IC303 M62364FP 10KEY D0 D7 FRST RDB WRB X301 CR 799 DISC AFOUT RXAFIN RXAFIN RXAF MCON MIC SW D A SW FM DASW SO SIO CCSI OUT1 CSK0 PTTO PTTIN BUSY FM PM PM CP17 EXPOUT DAOUT IC302 BU4053BCFV IC313 TC4W53FU AUDIO PR...

Page 37: ... 001 C240 100k R227 0 001 C215 MA2S111 D205 UMG2N Q201 10k R201 10k R202 10k R262 0 001 C214 MA2S111 D204 1k R216 0 001 C213 R205 10k 1k R204 MA2S111 D201 R241 100k R240 470k R239 470k 10k R242 C246 33 C245 33 0 001 C222 0 01 C247 82k R222 C248 0 001 100k R213 MA2S111 D203 68k R214 0 001 C211 0 001 C210 C209 0 001 C208 0 001 47p C237 10 R236 0 047 C238 10 C236 33 R235 NF PHASE PREGND PWGND POUT RI...

Page 38: ... VDD EXPOUT RXAFIN RXAF RXLPFO RXINO RXIN TEST 12 11 10 9 8 7 6 5 4 3 2 1 13 14 15 16 17 18 19 20 21 22 23 24 AK2346 IC301 NJM12902V IC2 NJM12902V IC12 1 C467 47 R467 0 1 C345 68k R335 100k R333 4 7 C344 470k R334 0 1 C342 0 001 C343 100k R336 0 1 C348 68k R339 180p C347 120k R338 C317 1 L C324 1 H C316 1 C315 1 R306 220k R305 47k R304 56k L 82k H 0 001 C305 470 R311 13 12 14 1 2 3 10 C321 100k R3...

Page 39: ...C537 10 R537 220k R534 47p C550 0 001 C548 0 001 C544 MA2S111 D508 470k R542 100k R220 220k R545 R539 1 8k 0 1 C546 10k R536 C233 1 R217 47 47p C244 0 0047 C241 R219 120k R218 470k C238 0 22 D201 MA2S111 J1 10p L 22p H C517 0 01 C516 150 R513 617DB 1714 L506 1SV307 D203 0 001 C562 17 5n L523 21n L522 1 5p C568 1p L 1 5p H C566 7p L 5p H C565 8p H 12p L C567 7p L 4p H C569 R546 82k 0 001 C247 4p C2...

Page 40: ... VCOM C20 47p 100 R4 R5 100 C19 0 1 C17 10 NJM2904V IC4 270p C30 C23 82p 20k R33 470p C24 20k R16 C26 0 1 R21 4 7k R20 10k R10 20k C44 47p C31 47p C51 47p C50 47p C49 47p C46 47p C45 47p C42 47p C41 47p C40 47p C38 47p C36 47p C35 47p L1 EXCCL3225U R8 100 R15 1k R96 1k R3 22k R97 1k R26 1k R12 1k R27 1k R32 1k R25 1k R28 1k R23 1k R31 1k R22 1k R30 1k R24 1k R29 1k 1µ L6 L2 1µ C88 470p C89 1 0 002...

Page 41: ...one 1 425 454 7619 Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 61 03 9387 0666 Fax 61 03 9387 0022 URL http www icom net au E mail sales icom net au 146A Harris Road East Tamaki Auckland New Zealand Phone ...

Page 42: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14126HZ C1 Printed in Japan 2005 Icom Inc ...