Icom ic-f5021, Service Manual

Page 1: ...S 14524XZ C1 Feb 2009 VHF MOBILE TRANSCEIVERS...

Page 2: ...quipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110003491 S IC TA31136FNG IC F5021 MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC F5023H Top cover 10 pieces Addresses are provi...

Page 3: ...TRANSMITTER CIRCUITS 5 3 5 3 FREQUENCY SYNTHESIZER CIRCUITS 5 4 5 4 VOLTAGE DIAGRAM 5 4 5 5 PORT ALLOCATIONS 5 5 SECTION 6 ADJUSTMENT PROCEDURE 6 1 PREPARATION 6 1 6 2 FREQUENCY ADJUSTMENT 6 4 6 3 TRA...

Page 4: ...2 D in Weight 25 W ver 0 8 kg 1 3 4 Ib 0 8 kg 50 W ver 1 1 kg 2 7 16 Ib TRANSMITTER Transmit output power 25 W ver 25 W High 10 W Low2 2 5 W Low1 50 W ver 50 W High 25 W Low2 5 0 W Low1 Modulation Var...

Page 5: ...dB typ Other than RUS 82 dB typ RUS Middle More than 70 dB 75 dB typ Narrow More than 60 dB 65 dB typ Spurious response 70 dB min Intermodulation More than 70 dB 75 dB typ More than 65 dB 67 dB typ FM...

Page 6: ...2 INSIDE VIEWS FRONT UNIT TOP VIEW CPU IC1 LCD DRIVER IC6 TONE LPF IC5 TONE FILTER SWITCH Q3 EEPROM IC3 CLOCK FREQUENCY SHIFT DIODE D6 BACKLIGHT CONTROLLER Q5 DIMMER CONTROLLER Q2 BACKLIGHT DRIVER Q1...

Page 7: ...CPU5 LINE REGULATOR IC10 RIPPLE FILTER Q17 VCO SWITCH Q15 POWER SWITCH Q23 8 REGULATOR IC9 LOCK VOLATGE BUFFER Q18 WIDE NARROW PHASE SHIFTER SWITCH Q5 R8 REGULATOR Q30 POWER SWITCH Q24 APC AMP IC2 WI...

Page 8: ...ODULATION LINE SWITCH Q31 REFERENCE FREQUENCY OSCILLATOR X2 REFERENCE OSCILLATOR MODULATION AMP IC19 D A CONVERTER IC18 AF PRE AMP IC15 EXPANDER IC17 ANALOG SWITCH IC14 D A CONVERTER IC20 DRIVE AMP Q9...

Page 9: ...s from the top cover and remove the top cover 2 Disconnect the flat cable and speaker cable 3 Unscrew 2 screws from the both sides and remove the front panel in the direction of the arrow 5 Unscrew 9...

Page 10: ...UT 110R as follows 1 Turn the transceiver OFF then disconnect the DC power cable 2 Unscrew 4 screws then remove the bottom cover 3 Cut the pattern on the PCB at MIC and DISC as showon below 4 Install...

Page 11: ...IF IC IC1 to obtain the 450 kHz 2nd IF signal The 15 3 MHz signal generated by the reference oscillator X2 is passed through the filter AMP Q34 L33 35 C305 308 to extract the 45 9 MHz 3rd harmonic com...

Page 12: ...FRONT UNIT or output from the external speaker jack on the rear panel SIGNALING DECODING Demodulated signals from pin 9 of the IF IC IC1 are passed through the LPF to extract tone signals contained in...

Page 13: ...IC1 CENC0 CENC2 are passed through the LPF IC5 for waveform conversion and applied to the MAIN UNIT as tone modulation signals 2 5 TONE DTMF ENCODING FRONT UNIT Encoding signal from the CPU IC1 named...

Page 14: ...o the DC voltage Lock Voltage Applying the lock voltage to the variable capacitors VD which composes a part of the resonator of VCO the capacitance of VDs changes corresponding to the applied lock vol...

Page 15: ...puts serial data to the LCD driver FRONT UNIT IC6 pin 48 92 LSCK Outputs clock signal to the LCD driver FRONT UNIT IC6 pin 47 93 LCS Outputs chip enable signal to the LCD driver FRONT UNIT IC6 pin 46...

Page 16: ...requency Counter Frequency range Frequency accuracy Sensitivity 0 1 300 MHz 1 ppm or better 100 mV or better Standard Signal Generator SSG Frequency range Output level 0 1 300 MHz 0 1 V to 32 mV 127 t...

Page 17: ...clone adjustment frequencies and settings into the transceiver as below For except F5026 For F5026 Select Middle NOTE FOR F5022 when adjust Deviation Modulation Balance RX SENSITIVITY and S meter in...

Page 18: ...nsmit while SSG is connected to the antenna connector RF power meter 30 W 25 W ver 60 W 50 W ver DC power supply 13 6 V 20 A except EUR 13 2 V 20 A EUR Frequency counter Oscilloscope AC millivoltmeter...

Page 19: ...H TX LVA 2 Channel Transmitting 1 1 Select the item TX LVA then adjust the voltage LVIN using keys of the PC s keyboard 1 06 V Other than F5026 F5026H 1 4 V F5026 F5026H PLL LOCK VOLTAGE verification...

Page 20: ...t the Modulation Analyzer with an oscilloscope to the antenna connec tor through an attenuator Set to square waveform DEVIATION P R E PA R A TION 1 Connect an audio generator to the JIG cable and set...

Page 21: ...is re adjusted S METER MUST be re adjusted too 1 Channel 1 13 Connect the SSG to the antenna connec tor and set as Frequency 136 100 MHz except F5026 H 146 100 MHz F5026 H Level 23 dB 84 dBm Modulati...

Page 22: ...HVC375BTRF E B 99 7 22 1 D53 1750000721 S VAR HVC375BTRF E B 103 28 1 D54 1790001261 S DIO MA2S077G0L B 90 6 33 6 D55 1790001261 S DIO MA2S077G0L B 91 8 33 6 D56 1750001070 S DIO DAN235ETL T 51 5 33 5...

Page 23: ...410001130 S ARR EXB28V102JX T 65 8 6 1 R150 7410001130 S ARR EXB28V102JX T 75 3 6 S Surface mount MAIN A UNIT REF PARTS DESCRIPTION M H V NO NO LOCATION R156 7030005040 S RES ERJ2GEJ 472 X 4 7K B 116...

Page 24: ...36 7 C58 4030017460 S CER ECJ0EB1E102K T 65 3 27 8 C59 4030017460 S CER ECJ0EB1E102K T 67 3 29 5 S Surface mount MAIN A UNIT REF PARTS DESCRIPTION M H V NO NO LOCATION C60 4030016790 S CER ECJ0EB1C103...

Page 25: ...C311 4030017460 S CER ECJ0EB1E102K T 11 8 12 8 C312 4030016930 S CER ECJ0EB1A104K T 49 2 21 2 C314 4030016790 S CER ECJ0EB1C103K T 110 5 33 8 C315 4030016970 S CER ECJ0EB1C223K B 26 7 22 9 C316 403001...

Page 26: ...5220 S RES ERJ2GEJ 223 X 22K B 32 6 28 8 R26 7030005240 S RES ERJ2GEJ 473 X 47K B 29 2 27 R27 7030005240 S RES ERJ2GEJ 473 X 47K B 26 9 27 9 R28 7030005040 S RES ERJ2GEJ 472 X 4 7K B 30 9 26 1 R29 703...

Page 27: ...K B 8 9 17 1 C79 4030016930 S CER ECJ0EB1A104K B 47 9 14 6 C80 4030016930 S CER ECJ0EB1A104K B 43 4 14 6 C81 4030017460 S CER ECJ0EB1E102K T 9 2 17 1 C82 4030017420 S CER ECJ0EC1H470J B 33 1 26 1 C83...

Page 28: ...770 AXK540147YG 1 J2 6510022472 40FLT SM2 TB LF SN M 1 J4 6450000140 HSJ0807 01 010 1 J6 6510022891 B13B ZR SM4 TF LF SN 1 J7 6510014961 B2B ZR SM4 TF LF SN 1 S1 2260003180 MINISMDC050F 1 W1 712000047...

Page 29: ...NT UNIT Unit abbreviations F FRONT UNIT MA MAIN A UNIT C CHASSIS PARTS MP5 F MP9 F DS11 F MP2 F MP6 F MP1 F SP1 F MP11 F MP5 C x2 MP3 MA MP1 C J1 C MP4 C x2 MAIN UNIT MP3 C x8 MP2 C MP7 C x4 MP3 C MP2...

Page 30: ...D28 D37 D47 D48 D56 D56 D57 D59 D61 D62 D62 D63 EP8 EP9 FI1 FI1 IC1 IC1 IC2 IC2 IC4 IC4 IC9 IC9 IC10 IC10 J1 J2 J6 J7 L4 L4 L5 L5 L10 L46 L47 L54 Q1 Q1 Q4 Q4 Q5 Q5 Q15 Q15 Q16 Q16 Q17 Q17 Q18 Q18 Q19...

Page 31: ...88 C189 C190 C203 C204 C207 C208 C209 C210 C226 C244 C245 C246 C247 C249 C250 C251 C252 C253 C255 C255 C256 C256 C258 C258 C259 C260 C261 C265 C265 C269 C272 C273 C276 C280 C282 C283 C284 C285 C286 C2...

Page 32: ...W1 OPC 1046B 1 8900010503 MAIN A UNIT OPC 1939 DC POWER CABLE EXT SPEAKER JACK HV GND 5V 8V PTTO PTTI REM RMUT BEPO AFONO MMUTE PGIO3 GND SI EPTT CIRQ SO BEEP CCS MIC OPT2 SCK OPT1 PTTO PWON 8V CHASS...

Page 33: ...00A AGC Q1 2SK1829 SHIFT SW D6 MA2S077 X1 CR 774 LCD DRIVER IC6 LC75834 BPF CERAMIC FI2 LTM450EW W N SW D56 DAN235E Q40 DTA114EU IC19 TA75S01F AMP X2 Q12 2SC5107 BPF MA2S077 D54 55 TLV AD J D53 HVC375...

Page 34: ...UNIT DS11 1 COM1 2 COM2 3 COM3 4 COM4 5 SEG1 6 SEG2 7 SEG3 8 SEG4 9 SEG5 10 SEG6 11 SEG7 12 SEG8 13 SEG9 14 SEG10 15 SEG11 16 SEG12 17 SEG13 18 SEG14 19 SEG15 20 SEG16 21 SEG17 22 SEG18 23 SEG19 24 SE...

Page 35: ...P C284 M62334FP IC20 1 AO1 2 AO2 3 AO3 4 AO4 5 GND 6 SDA 7 SCL 8 VCC CF20 K CF20 I CP28 CP06S R238 100K 100K R361 100K R360 100K R359 1k R357 1k R356 1k R358 R261 1M R262 1M R263 1M R315 100K R314 100...

Page 36: ...DAN235E D56 0 1 C394 0 1 C395 0 1 C396 0 01 C397 0 01 C398 DTA114EU Q40 30P C15 D48 1SV307 1SV307 D47 L709CE D5 D6 1SV307 4P C442 L6 56N 12P C25 12P C440 8P C17 L7 82N 10P C30 1P C29 L8 82N R16 270 2P...

Page 37: ...od 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 Unit 1 103 Garden Road Clayton VIC 3168 Australia...

Page 38: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14524XZ C1 2009 Icom Inc...