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

Page: 39 / 41

11 - 4

Refer to the PARTS LIST for the value and name of component.

• MAIN UNIT (2/2)

TX:0.74V
RX:0.04V

1.35V

3.17V

3.22V

3.05V

2.89V

2.66V

2.75V

1.46V

TX:0.77V

TX:0.47V

TX:0.62V

TX:2.34V

TX:0.58V

TX:0.77V

TX:0.44V

TX:0.66V

TX:1.71V

TX:1.48V

3.07V

0.74V

2.54V

3.22V

3.03V

0.61V

FM:0.0V
FM-N:DV:3.21V

3.22V

TX:0.73V

7.23V

4.61V

1.57V

R186

8.2K

R183

D29

HVC350B-E

J500

R202

47K

L30

MLK1005S

L28

LQW18AN12NG00

R178

R218

15K

R205

3.3K

R171

33K

Q45

RFM12U7X

L13

MLF1608D

R246

R241

100K

EP14

MMZ2012Y102B

Q47

BB506C

L33

LQW18AN18NG00

R191

C221

R188

330K

IC12

TA75S01F

IC14

LM2904PWR

Q46

BB506C

Q39

2SC5998

R220

NTCG10

L21

0.40-1.5-5TL

L11

MLF1608A

L35

LQW18AN33NG00

R192

390

R203

560K

L31

LQW18AN12NG00

R227

82K

R206

15K

L12

MLF1608D

R216

10K

R239

R221

10K

D32

HVC350B-E

R181

10K

Q41

RFM01U7P

R243

4.7K

EP16

MPZ1608S101A

D30

HVC350B-E

R184

1.5K

R166

100

R177

330K

R189

22K

R235

100K

R238

100K

R210

R201

R207

15K

R169

22K

Q38

2SC4738

R180

R252

100K

R174

R213

100

R194

33K

C242

R187

100

L23

C2012C-R47J

FI3

FL-439

OUT

GND

R222

100

R212

470

L19

MLF1608D

R233

R209

Q40

2SC4738

R193

100K

R204

47K

R182

1.5K

R199

47K

C210

JTBM450CX70

R195

1.8K

R173

R198

1.8K

R196

3.3K

R160

12K

FI1

CFWKA450KHFA

R170

12K

R168

10K

R161

10K

R167

10K

R162

10K

R179

150K

C298

0.001

C312

C303

L25

MLF1608D

C302

3.5P

C260

39P

C307

0.5P

R223

2.2K

C272

0.001

C278

0.3P

C306

C269

0.001

C261

0.001

R242

82K

L34

0.30-0.9-6TR

L32

0.30-0.9-5TL

R232

33K

C287

0.001

R236

47K

C282

0.001

D17

L1SS400

R244

R226

R211

180

Q44

2SC4226

R197

R164

47K

D24

HVD144A

D25

HVD144A

D33

HVD144A

D31

HVD144A

Q36

DRA9114T

IC13

NJM2591V

OSCIN

OSCOUT

MIXOUT

V+

IFIN

DEC

FILOUT

FILIN

AFOUT

QUAD

IFOUT

RSSI

NOISEDET

NOISEREC

GND

MIXIN

C216

0.001

C246

0.001

C293

C290

30P

C204

0.001

C229

0.1

C305

27P

C179

56P

C291

0.001

C297

C273

0.001

C319

0.001

C292

C172

10P

C237

0.001

C206

0.01

C251

0.001

C230

0.01

C200

0.001

C177

0.01

C203

0.001

C185

C169

0.001

C286

C314

C257

0.001

C310

68P

C309

0.001

C316

0.001

C178

0.01

C182

C225

0.001

C220

0.001

C311

0.001

C294

0.001

C262

0.001

C243

0.001

C214

0.001

C222

0.001

C212

0.001

C193

0.001

C217

0.001

C274

0.001

C180

0.001

C296

0.001

C252

0.001

C195

C300

C207

0.01

C234

0.01

C198

0.01

C173

0.01

C266

0.01

C263

0.01

C240

0.01

C238

0.01

C238

0.01

C253

0.01

C235

0.01

C202

0.01

C215

0.01

C197

0.1

C190

0.1

C228

0.1

C187

0.1

C232

0.1

C196

0.1

C175

0.1

C174

0.1

C170

0.1

C171

0.1

C194

0.047

C301

C304

C199

C244

27P

C280

C226

39P

C192

470P

C218

0.033

C186

470P

D28

LRB706F

D26

LRB706F

D23

LRB706F

D22

LRB706F

R249

330

R224

330

Q43

LDTC144EE

Q48

2SC5006

C328

0.001

C329

C331

100P

R258

100K

Q49

2SC4738

R260

15K

C334

0.001

C335

0.001

Q50

2SC4738

R255

15K

R261

15K

C338

0.01

D37

AVR-M1005C270M

C339

0.001

C350

0.5P

L29

0.40-0.9-2TL

L22

0.40-0.9-2TL

L24

0.40-0.9-2TL

R256

220K

C337

0.01

C267

10P

C349

0.001

D34

DA2S10100L

D36

DA2S10100L

MP8

2888

C289

L17

ELJRE

C236

15P

R217

C281

C285

C313

R237

12K

FI2

LTWC450E1

C353

D27

HVC350B-E

C279

12P

R229

100K

C181

C264

C259

15P

R268

330

C256

D19

1SS390

D15

1SS390

D18

1SS390

D16

1SS390

R225

680

R253

27K

R228

100K

R263

10M

R262

680

R257

33K

R259

680

R248

18K

R265

100K

C271

22P

R269

ERJ3GE-JPW

D21

RKP300KJ

D20

RKP300KJ

R251

100K

L44

LQW18AN27NG00

C320

100P

L43

LQW18AN27NG00

C324

C325

C326

100P

L40

LQW18ANR10G00

C299

27P

L36

LQW18AN22NG00

C315

R230

L45

MLK1005S

R214

56K

R165

680K

C265

12P

C333

39P

L42

MLK1005S

R172

150K

C341

0.1

C340

0.047

C250

15P

C183

33P

C270

R200

C223

68P

L14

LQW18AN10NG00

R185

2.7K

R163

C330

0.001

R176

6.8

R254

EP17

MMZ1005Y102CT

Q37

2SA1832

C176

C189

0.001

EP15

MMZ1005Y102CT

EP13

MMZ1005Y102CT

C201

0.001

C208

0.001

C231

0.01

C233

0.22

R215

220

C361

18P

C362

R275

47K

C363

4.7

C351

18P

C327

L41

ELJRE

BPF3

3VS

TTEMP

NOIS

RSSI

REF

DET

SQLIN

SQLOUT

BPF3

5VS

T3C_INV

BPF1

AGC450

VCC-I

AGC

BPF2

PSET

ISET2

ISET1

Summary of Contents for D-STAR ID-31A; D-STAR ID-31E

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...

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

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Summary of Contents for D-STAR ID-31A; D-STAR ID-31E

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Related manuals for D-STAR ID-31A; D-STAR ID-31E

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