Icom D-STAR ID-31A; D-STAR ID-31E, Service Manual

Page 1: ...S 14813XZ C1 Feb 2012 UHF TRANSCEIVER...

Page 2: ...ty required ORDER EXAMPLE 1110003491 S IC TA31136FNG ID 31A MAIN UNIT 5 pieces 8820001210 Screw 2438 screw ID 31E Top cover 10 pieces Addresses are provided on the inside back cover for your convenien...

Page 3: ...ITTER CIRCUITS 4 2 4 3 FREQUENCY SYNTHESIZER CIRCUITS 4 3 4 4 VOLTAGE DIAGRAM 4 3 4 5 PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 3 5 3 TRANSMIT...

Page 4: ...H 25 4 D mm projections not included 2 3 W 3 7 H 1 D in Weight approximately 140 g 4 94 oz without battery pack case and ant All stated specifications are subject to change without notice or obligati...

Page 5: ...2 1 SECTION 2 INSIDE VIEWS LOGIC UNIT TOP VIEW MIC VOX AMP IC19 RX TX LED DRIVER Q24 3 3 V REGULATOR IC11 BACKUP BATTERY For the real time clock BT1...

Page 6: ...LE CONTROLLER IC1 DATA LEVEL CONVERTER IC21 EEPROM For GPS data IC3 SERIAL DATA INTERFACE IC2 CPU RESET IC IC22 AF SW IC16 MIC GAIN SW Q18 DSP IC18 CLOCK OSCILLATOR For the DSP X3 CLOCK BUFFER For the...

Page 7: ...MP Q45 VCC LINE SW Q8 DRIVE AMP Q41 YGR Q39 LOCK VOLTAGE BUFFER Q26 D A CONVERTER IC11 5 V REGULATOR IC15 3 V REGULATOR IC10 2ND IF FILTER For FM mode FI2 2ND IF FILTER For DV FM N mode FI1 REFERENCE...

Page 8: ...4 V REGULATOR IC3 PLL IC6 BPF TUNING VOLTAGE BUFFER IC12 RF AMP Q47 1ST IF MIXER Q46 AF POWER AMP IC2 CHARGING LINE DRIVER Q6 IF IC IC13 AF LINE SW IC8 TONE FILTER Q31 AF POWER AMP REGULATOR Q16 TX PO...

Page 9: ...GIC UNIT 5 Unsolder 6 points at the rotary encoder 6 Separate the LOGIC UNIT from the chassis and then disconnect the coaxial cable from the LOGIC UNIT Inner dial Outer dial Antenna nut Remove with IC...

Page 10: ...er remover Screws x5 MAIN UNIT Shield plate UNSOLDER Solder remover Screws x6 Chassis MAIN UNIT 2 Remove 5 screws from the shield plate and then remove it 3 Unsolder a point at the antenna connector 4...

Page 11: ...5 and then applied to the digital demodulation circuits on the LOGIC UNIT The AF signal from the MAIN UNIT is amplified by the AF AMP LOGIC UNIT IC13A pins 1 2 and passed through the LPF LOGIC UNIT IC...

Page 12: ...e produced at the LPFs L29 C281 C285 and L32 L34 C302 C303 C306 C307 C312 is rectified by D26 and D28 and it is used as the TX power sensing voltage The voltage is applied to the APC AMP IC14 pin 7 an...

Page 13: ...V HV CURRENT S SW R3C CTRL T3C_INV DC CHGC PCON REG Q15 Q16 VCC Q24 RX circuits Common circuits Common circuits TX circuits AF power AMP VCO reference frequency oscillator etc CHG BTVIN Q6 Q7 Q9 Q10 V...

Page 14: ...LED TX LED DS7 driver Q9 control H While transmitting O F15 BLED BUSY LED DS7 driver Q8 control H While the squelch is open O G1 RESET CPU reset L Reset I BALL No LINE NAME DESCRIPTION I O G3 LIGHT LC...

Page 15: ...ower is ON O P13 RX232 RS 232C serial data input I P14 INTPTT Internal PTT MAIN UNIT S2 input L Pushed I R1 SD_RXD MicroSD card card data input I R2 DSP_SO DSP CI18 serial data O R4 DSP_ AFC2 DSP IC18...

Page 16: ...mW RF power meter 50 terminated Measuring range 0 1 6 W Frequency range 100 600 MHz SWR Less than 1 2 1 REQUIRED EQUIPMENTS 5 1 PREPARATION To the DC IN jack OPC 254L e t i h W k c a l B DC power supp...

Page 17: ...1 Remove the JIG cable 1 from SP 2 Turn OFF the power and then turn ON the power Adjustment frequency Adjustment item Adjustment value Adjusts the value for the item Selects the previous adjustment i...

Page 18: ...ltage to 5 5 V 2 Connect an RF power meter to the antenna connector 3 Connect a ammeter between the power supply and transceiver 2 While transmitting adjust the idling current using DIAL and then push...

Page 19: ...mA S Low power 5 NOTE When IDLING CURRENT is adjusted TRANSMIT POWER must be also re adjusted TRANSMIT POWER ADJUSTMENT at 5 5 V Select an adjustment item using and then set the adjustment value as sp...

Page 20: ...ansmitting adjust the deviation using DIAL and then push ENT to store the adjustment value 4 1 to 4 3 kHz FM N BAND HIGH MNL 3 2 0 to 2 2 kHz FM BAND LOW MFH 4 4 1 to 4 3 kHz FM N BAND HIGH MNH 5 2 0...

Page 21: ...ector through an attenuator and then set it as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 3 No audio signal is applied DTCS FM MDT 2 While transmitting adjust the deviation using DIAL and then...

Page 22: ...re S METER and S METER S3 LEVEL Otherwise S METER and S METER S3 LEVEL will not be adjusted properly 1 1 Set the power supply voltage to 7 4 V 2 Connect an SSG to the antenna connector and set it as M...

Page 23: ...AKRF E B 20 6 7 0 D26 1750001820 S DIO LRB706F 40T1G SLVJ T 18 6 9 9 REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surfac...

Page 24: ...0K T 53 9 20 1 R166 7030004980 S RES ERJ2GEJ 101 X 100 T 54 0 23 9 R167 7030005050 S RES ERJ2GEJ 103 X 10K T 49 9 40 3 R168 7030005050 S RES ERJ2GEJ 103 X 10K T 53 6 36 1 M Mounted side T Mounted on t...

Page 25: ...AN TEESVA 1A 226M8R T 7 7 36 9 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT Eqv 4550008160 S TAN F931A226M...

Page 26: ...CH 1H 010B T B 7 1 37 5 C315 4030017340 S CER C1005 CH 1H 010B T B 15 9 10 5 C316 4030017460 S CER C1005 JB 1H 102K T B 4 6 32 5 C319 4030017460 S CER C1005 JB 1H 102K T B 6 1 17 2 C320 4030017430 S C...

Page 27: ...0 7030005090 S RES ERJ2GEJ 104 X 100K T 33 5 36 2 R33 7030007290 S RES ERJ2GEJ 222 X 2 2K B 32 6 36 1 R34 7030007290 S RES ERJ2GEJ 222 X 2 2K B 33 5 36 1 R35 7030005240 S RES ERJ2GEJ 473 X 47K B 10 2...

Page 28: ...9 14 9 R267 7030005090 S RES ERJ2GEJ 104 X 100K B 47 9 14 9 R268 7030005090 S RES ERJ2GEJ 104 X 100K B 48 9 15 0 R269 7030005090 S RES ERJ2GEJ 104 X 100K B 47 0 14 9 R270 7030005090 S RES ERJ2GEJ 104...

Page 29: ...25 3 C196 4550008090 S TAN TCTU0J105K8R B 77 8 44 0 C197 4030016930 S CER C1005 JB 1A 104K T B 31 8 27 3 C198 4030016930 S CER C1005 JB 1A 104K T B 30 1 23 9 C199 4030016930 S CER C1005 JB 1A 104K T B...

Page 30: ...0 SPONGE LL 2 MP49 8930070590 SHIELD TAPE S 1 MP50 8930058500 INSULATION PLATE HB 1 MAIN UNIT ACCESSORIES LOGIC UNIT REF ORDER DESCRIPTION QTY NO NO J2 6450000870 HEC2711 01 020 1 J3 6510028130 AXK5S5...

Page 31: ...2 C MP50 C MP48 C MP48 C MP45 C MP25 C SP1 C DS10 L MP11 C MP10 C MP15 C Abbreviations C CHASSIS PARTS M MAIN UNIT L LOGIC UNIT MP24 C MP12 C MP39 C 2 MP47 C MP41 C J1 L MP33 C 2 MP16 C MP37 C MP27 C...

Page 32: ...6 Q37 Q38 Q39 Q40 Q41 Q43 Q45 Q48 Q49 Q50 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R17 R18 R19 R21 R22 R26 R27 R32 R34 R35 R36 R37 R41 R44 R45 R46 R47 R48 R50 R51 R52 R53 R54 R55 R56 R58 R59 R61 R62 R65 R67...

Page 33: ...H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 V0 V5 V10 V15 V20 V25 V30 V35 V40 V45 V50 C1 C2 C3 C4 C5 C7 C8 C9 C10 C11 C18 C19 C20 C21 C22 C24 C31 C33 C34 C35 C36 C38 C40 C41 C44 C45 C48 C4...

Page 34: ...PS3 REG DCIN REG DIM IC9B C Q23 IC8 5V 3VS PS3 CPU3V D18 Q23 Q24 DS1 IC8 Q11 Q13 3VS IC16 IC14 IC12B IC13B IC17 X3 IC18 IC4 X1 REG IC10 REG IC11 5VS G_VDD CVDD_1 35V DVDD_3 3V DSP GPS IC3 IC16 MAIN UN...

Page 35: ...FI3 D23 D22 Q15 Q16 PPS PLLSTB DISCRI VCC PLLDATA Q24 PLLCK R3 IC13 DET 3VS 5V D26 D28 5VS REFCON SW 3VS Q47 FM LIMIT Q27 D10 D11 D12 FI2 T5 UNLK LO 15 3MHz CHG Q14 3VS BTVIN Q6 Q7 Q9 Q10 PSET Q46 IC6...

Page 36: ...SN74LVC2GU04DCKR IC8 1 1A 2 GND 3 2A 4 2Y 5 VCC 6 1Y R69 10k 0 001 C24 NFM18PC104R1C3 C500 CP06S CP31 D6 L1SS400 1 C28 CP8 L1SS400 D17 10k R55 NSSW208 DS1 CP7 270 R18 0 001 C213 0 1 C48 100k R4 0 001...

Page 37: ...5 K1 H3 G3 F10 E12 D14 D13 D12 E11 C14 B14 C13 G5 G2 G4 H1 H4 H5 J1 J3 J4 K2 M1 K3 L3 M2 L2 F5 B5 C6 A6 B2 B7 B8 C10 G1 J10 J11 J5 L1 L14 M11 M4 N7 N8 L8 K8 P9 M9 L9 P10 M10 P11 N11 L10 P12 N12 M14 L1...

Page 38: ...0 1 C68 0 001 C50 0 022 C55 0 1 C154 22P C92 0 001 C70 0 001 C61 10 C41 10 C42 10 C64 10 C167 1P C91 0 1 C103 0 3P C95 0 001 C45 10P C138 3P C82 0 001 C52 1 C137 3P C151 0 01 C150 100P C67 0 001 C8 0...

Page 39: ...273 0 001 C319 0 001 C292 1P C172 10P C237 0 001 C206 0 01 C251 0 001 C230 0 01 C200 0 001 C177 0 01 C203 0 001 C185 7P C169 0 001 C286 1P C314 1P C257 0 001 C310 68P C309 0 001 C316 0 001 C178 0 01 C...

Page 40: ...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 Unit 1 103 Garden Road Clayton VIC 3168 Aus...

Page 41: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14813XZ C1 2012 Icom Inc...