Icom IC-T90A manual Coil Eljre 3N9Z-F

Page 33

[RF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

L452

6200005610

S.COIL

ELJRE 3N9Z-F

L453

6200005610

S.COIL

ELJRE 3N9Z-F

L454

6200006980

S.COIL

ELJRE R10G-F

L455

6200005720

S.COIL

ELJRE 33NG-F

L456

6200010240

S.COIL

0.4-0.8-2TL

R1

7030009280

S.RESISTOR

ERJ2GE

R2

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R6

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R7

7030007270

S.RESISTOR

ERJ2GEJ 151 X (150 Ω )

R8

7510001660

S.THRMISTOR

NTCG16 4LH 473KT

R9

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R10

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R11

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R13

7030009280

S.RESISTOR

ERJ2GE

R16

7030009280

S.RESISTOR

ERJ2GE

R40

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

R41

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

R51

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R52

7030007250

S.RESISTOR

ERJ2GEJ 220 X (22 Ω )

R53

7030007280

S.RESISTOR

ERJ2GEJ 331 X (330 Ω )

R54

7030007270

S.RESISTOR

ERJ2GEJ 151 X (150 Ω )

R55

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R56

7030009200

S.RESISTOR

ERJ2GEJ 390 X (39 Ω )

R57

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R59

7030005030

S.RESISTOR

ERJ2GEJ 152 X (1.5 kΩ )

R60

7030009270

S.RESISTOR

ERJ2GEJ 821 X (820 Ω )

R61

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R63

7030005000

S.RESISTOR

ERJ2GEJ 471 X (470 Ω )

R64

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R73

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R77

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R78

7030005580

S.RESISTOR

ERJ2GEJ 560 X (56 Ω )

R79

7030005580

S.RESISTOR

ERJ2GEJ 560 X (56 Ω )

R80

7030007280

S.RESISTOR

ERJ2GEJ 331 X (330 Ω )

R81

7030007280

S.RESISTOR

ERJ2GEJ 331 X (330 Ω )

R82

7030010670

S.RESISTOR

ERJ2GEJ 3R9X (3.9 Ω )

R101

7030005160

S.RESISTOR

ERJ2GEJ 105 X (1 MΩ )

R102

7030005230

S.RESISTOR

ERJ2GEJ 334 X (330 kΩ )

R103

7030005110

S.RESISTOR

ERJ2GEJ 224 X (220 kΩ )

R104

7030005160

S.RESISTOR

ERJ2GEJ 105 X (1 MΩ )

R105

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R106

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R107

7030005230

S.RESISTOR

ERJ2GEJ 334 X (330 kΩ )

R108

7030005110

S.RESISTOR

ERJ2GEJ 224 X (220 kΩ )

R109

7030007330

S.RESISTOR

ERJ1WRSJR15U (0.15 Ω )

R110

7030008400

S.RESISTOR

ERJ2GEJ 182 X (1.8 kΩ )

R111

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R112

7030005230

S.RESISTOR

ERJ2GEJ 334 X (330 kΩ )

R205

7030007570

S.RESISTOR

ERJ2GEJ 122X (1.2 kΩ )

R206

7030005080

S.RESISTOR

ERJ2GEJ 823 X (82 kΩ )

R209

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R251

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R301

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R302

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R303

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R304

7030005220

S.RESISTOR

ERJ2GEJ 223 X (22 kΩ )

R305

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R306

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R307

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R308

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R309

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R310

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R311

7030007350

S.RESISTOR

ERJ2GEJ 393 X (39 kΩ )

R312

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R313

7030005030

S.RESISTOR

ERJ2GEJ 152 X (1.5 kΩ )

R314

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R315

7030009160

S.RESISTOR

ERJ2GEJ 181 X (180 Ω )

R316

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R317

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R318

7030005030

S.RESISTOR

ERJ2GEJ 152 X (1.5 kΩ )

R351

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R352

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

R353

7030005070

S.RESISTOR

ERJ2GEJ 683 X (68 kΩ )

R354

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R355

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R356

7030009200

S.RESISTOR

ERJ2GEJ 390 X (39 Ω )

R357

7030007250

S.RESISTOR

ERJ2GEJ 220 X (22 Ω )

R358

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R359

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R360

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

 

 

 

 

[RF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

R361

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R362

7030007300

S.RESISTOR

ERJ2GEJ 332 X (3.3 kΩ )

R363

7030007570

S.RESISTOR

ERJ2GEJ 122X (1.2 kΩ )

R364

7030005830

S.RESISTOR

RR0510R-223-D (22 kΩ )

R365

7030005860

S.RESISTOR

RR0510R-823-D (82 kΩ )

R366

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R367

7030005580

S.RESISTOR

ERJ2GEJ 560 X (56 Ω )

R368

7030004970

S.RESISTOR

ERJ2GEJ 470 X (47 Ω )

R369

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R401

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R402

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R403

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R404

7030005720

S.RESISTOR

ERJ2GEJ 563 X (56 kΩ )

R405

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R407

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R408

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R409

7030008410

S.RESISTOR

ERJ2GEJ 392 X (3.9 kΩ )

R410

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R412

7030005720

S.RESISTOR

ERJ2GEJ 563 X (56 kΩ )

R414

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R415

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R416

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R417

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R418

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R419

7030008410

S.RESISTOR

ERJ2GEJ 392 X (3.9 kΩ )

R420

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R451

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R452

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R453

7030005220

S.RESISTOR

ERJ2GEJ 223 X (22 kΩ )

R454

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R456

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R457

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R459

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R460

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R461

7030007280

S.RESISTOR

ERJ2GEJ 331 X (330 Ω )

R462

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R463

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R465

7030007250

S.RESISTOR

ERJ2GEJ 220 X (22 Ω )

R466

7030004970

S.RESISTOR

ERJ2GEJ 470 X (47 Ω )

R467

7030009280

S.RESISTOR

ERJ2GE

R468

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R469

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R470

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R471

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

C1

4030017620

S.CERAMIC

ECJ0EC1H100C

C2

4030017650

S.CERAMIC

ECJ0EC1H270J

C3

4030017600

S.CERAMIC

ECJ0EC1H080C

C6

4030017350

S.CERAMIC

ECJ0EC1H020B

C7

4030017550

S.CERAMIC

ECJ0EC1H1R5B

C8

4030017360

S.CERAMIC

ECJ0EC1H030B

C9

4030017660

S.CERAMIC

ECJ0EC1H330J

C10

4030017430

S.CERAMIC

ECJ0EC1H101J

C11

4030017670

S.CERAMIC

ECJ0EC1H390J

C17

4030017600

S.CERAMIC

ECJ0EC1H080C

C18

4030017420

S.CERAMIC

ECJ0EC1H470J

C19

4030016790

S.CERAMIC

ECJ0EB1C103K

C21

4030017510

S.CERAMIC

ECJ0EC1H680J

C23

4030007070

S.CERAMIC

C1608 CH 1H 330J-T

C24

4030017640

S.CERAMIC

ECJ0EC1H150J

C26

4030017600

S.CERAMIC

ECJ0EC1H080C

C27

4030017670

S.CERAMIC

ECJ0EC1H390J

C30

4030017460

S.CERAMIC

ECJ0EB1E102K

C31

4030017460

S.CERAMIC

ECJ0EB1E102K

C32

4030017630

S.CERAMIC

ECJ0EC1H120J

C33

4030007010

S.CERAMIC

C1608 CH 1H 100D-T

C34

4030017690

S.CERAMIC

ECJ0EC1H121J

C35

4030017460

S.CERAMIC

ECJ0EB1E102K

C36

4030017570

S.CERAMIC

ECJ0EC1H040B

C37

4030017340

S.CERAMIC

ECJ0EC1H010B

C39

4030017390

S.CERAMIC

ECJ0EC1H180J

C40

4030017650

S.CERAMIC

ECJ0EC1H270J

C41

4030017500

S.CERAMIC

ECJ0EC1H560J

C42

4030017500

S.CERAMIC

ECJ0EC1H560J

C43

4030017400

S.CERAMIC

ECJ0EC1H220J

C44

4030017500

S.CERAMIC

ECJ0EC1H560J

C51

4030017330

S.CERAMIC

ECJ0EF1C104Z

C52

4550007000

S.TANTALUM

ECST1VY105R

C55

4030017460

S.CERAMIC

ECJ0EB1E102K

C57

4030017330

S.CERAMIC

ECJ0EF1C104Z

C59

4030018010

S.CERAMIC

ECJ0EC1H360J

 

 

 

 

S.=Surface mount

6 - 2

Image 33
Contents IC-t90a Ordering Parts IntroductionRepair Notes Sample OrderTable of Contents Specifications GeneralTransmitter Frequency MHz ReceiverWFM WFMLogic Unit Inside ViewsTop view Bottom viewAF Unit RF UnitTop view Bottom view Removing the rear panel Removing the AF unit Disassembly InstructionsReceiver Circuits Circuit Description4 1ST Mixer and 1ST if Circuits RF, AF and VCO Units 5 2ND if and Demodulator Circuits AF UnitRF Circuit AF Amplifier Circuit AF Unit Squelch Circuitaf and Logic Units2ND if and Demodulator Circuit Transmitter Circuits APC Circuit RF Unit PLL CircuitsGeneral APC CircuitPLL Circuit VCO Divider Circuit VCO and RF Units2 R3V Switch IC AF Unit IC51 Power Supply CircuitsPort Allocations Voltage LineCPU Logic Unit IC1 Dtcs CtselLCD SEG35Operation on the Adjustment Mode Adjustment ProceduresOperation on the Output Power Adjustment PreparationConnection JIGAD-92SMA PLL Lock Trimmer AdjustmentVCO VoltageRF Unit VCO UnitL16 L456 L19Reference Adjustment Mode AdjustmentsDial FrequencyAdjustment Mode Adjustments PH ch 53.900 MHz Transmitting 8V 145 MHz Displayed frequency Connect an amme 45 a R325 Logic UnitR365 R326Ctcss Detector CoilTracking CP0 AF UnitIC151, pin 12 SD line L151Displayed frequency Connect a DC volt Maximum voltage Meter Adjustment Adjustment Condition OperationOrder Description Section Parts ListCoil Eljre 3N9Z-F Ceramic ECJ0EB1H681K Connector AXK6S30445P Ceramic ECJ0EC1H060C Encoder Trimmer Tantalum ECST1EY474R Ceramic ECJ0EC1H2R5B Mechanical Parts and Disassembly AccessoriesChassis Parts RF Unit Logic UnitChassis Parts AF Unit VCO UnitTransistors and Fets SEMI-CONDUCTOR InformationDiodes NameTOP View Board LayoutsMC1 Microphone DUPBottom View Logic unitSP1 SQL PTTRF Unit RF unit AF Unit VCO UnitEXT.SP EXT.MICREMOTO S253S252 Logic Unit Block DiagramLoop LPF HPF Drive BPF ANT FIL AMP Chassis11 1 Logic Unit Voltage DiagramIC5 2SK3476 11 2 RF UnitBU4094BCFV 11 3 AF UnitURL 32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan