Icom IC-T90A manual Section Parts List, Order Description

Page 32

 

SECTION 6

PARTS LIST

[RF UNIT]

 

 

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

IC51

1110005590

S.IC

µPC2762TB-E3

IC101

1110004050

S.IC

NJM3404AV-TE1

IC251

1110004530

S.IC

M62368GP 70ED

IC351

1110005230

S.IC

µPC2757TB-E3

Q1

1590001150

S.TRANSISTOR

UN9211 (TX)

Q2

1590001860

S.TRANSISTOR

UN9215 (TX)

Q51

1560001150

S.FET

2SK3476 (TE12L)

Q52

1560001160

S.FET

2SK3475 (TE12L)

Q54

1530003790

S.TRANSISTOR

2SC5289-T1

Q56

1590001670

S.TRANSISTOR

XP4316 (TX)

Q101

1590002160

S.TRANSISTOR

XP6401-(TX)

Q102

1590001860

S.TRANSISTOR

UN9215 (TX)

Q205

1590001470

S.TRANSISTOR

UN9213 (TX)

Q251

1590002950

S.FET

HAT1023R-EL

Q301

1590001470

S.TRANSISTOR

UN9213 (TX)

Q302

1530003260

S.TRANSISTOR

2SC5006-T1

Q303

1530003260

S.TRANSISTOR

2SC5006-T1

Q351

1580000740

S.FET

3SK320 (TE85L)

Q352

1590001650

S.TRANSISTOR

XP4601 (TX)

Q353

1590001660

S.TRANSISTOR

XP4312 (TX)

Q354

1530003760

S.TRANSISTOR

2SC5508-T2

Q355

1590001690

S.TRANSISTOR

UN9115 (TX)

Q356

1590001660

S.TRANSISTOR

XP4312 (TX)

Q401

1530003810

S.TRANSISTOR

2SC5008-T1

Q402

1530003260

S.TRANSISTOR

2SC5006-T1

Q451

1530003780

S.TRANSISTOR

2SC5624VH-TL

Q452

1530003810

S.TRANSISTOR

2SC5008-T1

Q453

1590001440

S.TRANSISTOR

UN9214 (TX)

D2

1790001620

S.DIODE

1SV308 (TPL3)

D3

1790000850

S.DIODE

MA132WK (TX)

D4

1750000580

S.DIODE

1SV307 (TPH3)

D6

1790001620

S.DIODE

1SV308 (TPL3)

D7

1790001620

S.DIODE

1SV308 (TPL3)

D8

1790001620

S.DIODE

1SV308 (TPL3)

D9

1790001620

S.DIODE

1SV308 (TPL3)

D10

1790001620

S.DIODE

1SV308 (TPL3)

D12

1750000530

S.DIODE

1SV271 (TPH3)

D13

1750000530

S.DIODE

1SV271 (TPH3)

D16

1750000530

S.DIODE

1SV271 (TPH3)

D18

1790001620

S.DIODE

1SV308 (TPL3)

D19

1750000530

S.DIODE

1SV271 (TPH3)

D50

1790001200

S.DIODE

MA6S121 (TX)

D51

1750000800

S.DIODE

HVC136TRF

D54

1750000860

S.DIODE

HVC132

D57

1790001620

S.DIODE

1SV308 (TPL3)

D201

1750000800

S.DIODE

HVC136TRF

D251

1750000540

S.DIODE

RB060L-40 TE-25

D252

1790001240

S.DIODE

MA2S728-(TX)

D301

1750000800

S.DIODE

HVC136TRF

D302

1790001260

S.DIODE

MA2S077-(TX)

D303

1750000800

S.DIODE

HVC136TRF

D304

1790001200

S.DIODE

MA6S121 (TX)

D305

1790001160

S.DIODE

1SS362 (TE85R)

D306

1750000800

S.DIODE

HVC136TRF

D307

1790001260

S.DIODE

MA2S077-(TX)

D308

1720000790

S.VARICAP

HVC321B1TRF

D309

1790001260

S.DIODE

MA2S077-(TX)

D310

1720000790

S.VARICAP

HVC321B1TRF

D313

1750000800

S.DIODE

HVC136TRF

D351

1790001160

S.DIODE

1SS362 (TE85R)

D352

1790001260

S.DIODE

MA2S077-(TX)

D353

1720000800

S.VARICAP

1SV290 (TPH3)

D354

1790001260

S.DIODE

MA2S077-(TX)

D355

1720000800

S.VARICAP

1SV290 (TPH3)

D356

1720000800

S.VARICAP

1SV290 (TPH3)

D358

1750000800

S.DIODE

HVC136TRF

D359

1790001260

S.DIODE

MA2S077-(TX)

D360

1790001250

S.DIODE

MA2S111-(TX)

D401

1790001160

S.DIODE

1SS362 (TE85R)

D402

1790001260

S.DIODE

MA2S077-(TX)

D403

1720000790

S.VARICAP

HVC321B1TRF

D404

1790001260

S.DIODE

MA2S077-(TX)

 

 

 

 

[RF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

D405

1720000790

S.VARICAP

HVC321B1TRF

D406

1790001260

S.DIODE

MA2S077-(TX)

D407

1720000790

S.VARICAP

HVC321B1TRF

D408

1750000800

S.DIODE

HVC136TRF

D451

1790001160

S.DIODE

1SS362 (TE85R)

D452

1720000790

S.VARICAP

HVC321B1TRF

D453

1720000790

S.VARICAP

HVC321B1TRF

D454

1720000790

S.VARICAP

HVC321B1TRF

D455

1750000800

S.DIODE

HVC136TRF

D456

1790001250

S.DIODE

MA2S111-(TX)

D457

1790001620

S.DIODE

1SV308 (TPL3)

FI1

4580000130

S.FILTER

GLP10-512M

L1

6200010200

S.COIL

0.26-0.9-8TR 26N

L3

6200005660

S.COIL

ELJRE 10NG-F

L4

6200005670

S.COIL

ELJRE 12NG-F

L5

6200008260

S.COIL

0.30-1.7-8TL 60N

L6

6200008150

S.COIL

0.35-1.6-7TL 44N

L9

6200007810

S.COIL

LQH31HN95NK01L (LQN 1H 95NK04)

L11

6200008360

S.COIL

0.25-1.9-13TL

L12

6200008360

S.COIL

0.25-1.9-13TL

L13

6200008360

S.COIL

0.25-1.9-13TL

L14

6200004480

S.COIL

MLF1608D R82K-T

L15

6200004480

S.COIL

MLF1608D R82K-T

L16

6200008510

S.COIL

0.30-0.9-4TR 10.5N

L17

6200004480

S.COIL

MLF1608D R82K-T

L18

6200008260

S.COIL

0.30-1.7-8TL 60N

L19

6200008480

S.COIL

0.30-1.4-5TR 25N

L20

6200004480

S.COIL

MLF1608D R82K-T

L21

6200004480

S.COIL

MLF1608D R82K-T

L22

6200008190

S.COIL

0.25-1.9-8TL 80N

L23

6200008210

S.COIL

0.45-1.5-5TL 23.2N

L24

6200008300

S.COIL

0.35-1.6-9TL 65N

L25

6200004480

S.COIL

MLF1608D R82K-T

L26

6200004480

S.COIL

MLF1608D R82K-T

L30

6200009980

S.COIL

C2012C-18NG

L32

6200009930

S.COIL

C2012C-68NG

L34

6200010320

S.COIL

C2012C-R15G

L51

6200010260

S.COIL

0.40-1.5-5TL 24N

L53

6200010410

S.COIL

ELJRE 1N0Z-F2

L54

6200006670

S.COIL

ELJRE 68NG-F

L56

6200006990

S.COIL

ELJRE 56NG-F

L57

6200009990

S.COIL

C2012C-R22G

L65

6200002630

S.COIL

NL 252018T-R10J

L66

6200007810

S.COIL

LQH31HN95NK01L (LQN 1H 95NK04)

L68

6200010410

S.COIL

ELJRE 1N0Z-F2

L101

6200003640

S.COIL

MLF1608E 100K-T

L102

6200004480

S.COIL

MLF1608D R82K-T

L252

6200003590

S.COIL

EXCCL3225U1

L253

6200003590

S.COIL

EXCCL3225U1

L301

6200007170

S.COIL

MLF1608A 3R3K-T

L302

6200003350

S.COIL

ELJNC R27K-F

L303

6200010350

S.COIL

C2012C-R27G

L304

6200007340

S.COIL

ELJND R22J 0.22U

L306

6200010340

S.COIL

C2012C-R33G

L307

6200007340

S.COIL

ELJND R22J 0.22U

L351

6200010010

S.COIL

C2012C-39NG

L352

6200010010

S.COIL

C2012C-39NG

L353

6200007820

S.COIL

ELJND R33J 0.33U

L354

6200010100

S.COIL

C2012C-33NG

L355

6200010010

S.COIL

C2012C-39NG

L357

6200010100

S.COIL

C2012C-33NG

L358

6200010010

S.COIL

C2012C-39NG

L359

6200005710

S.COIL

ELJRE 27NG-F

L401

6200010130

S.COIL

LQW18AN6N8C00

L402

6200010120

S.COIL

LQW18AN5N6C00

L403

6200010130

S.COIL

LQW18AN6N8C00

L404

6200010130

S.COIL

LQW18AN6N8C00

L405

6200010130

S.COIL

LQW18AN6N8C00

L406

6200010130

S.COIL

LQW18AN6N8C00

L408

6200005700

S.COIL

ELJRE 22NG-F

L409

6200009070

S.COIL

LQW18AN18NG00D (LQW1608A18NG00)

L451

6200005600

S.COIL

ELJRE 3N3Z-F

 

 

 

 

S.=Surface mount

6 - 1

Image 32
Contents IC-t90a Introduction Ordering PartsRepair Notes Sample OrderTable of Contents Transmitter SpecificationsGeneral Receiver Frequency MHzWFM WFMInside Views Logic UnitTop view Bottom viewTop view Bottom view AF UnitRF Unit Disassembly Instructions Removing the rear panel Removing the AF unitCircuit Description Receiver CircuitsRF Circuit 4 1ST Mixer and 1ST if Circuits RF, AF and VCO Units5 2ND if and Demodulator Circuits AF Unit 2ND if and Demodulator Circuit AF Amplifier Circuit AF UnitSquelch Circuitaf and Logic Units Transmitter Circuits PLL Circuits APC Circuit RF UnitGeneral APC CircuitVCO Divider Circuit VCO and RF Units PLL CircuitPower Supply Circuits 2 R3V Switch IC AF Unit IC51Port Allocations Voltage LineCPU Logic Unit IC1 Ctsel DtcsLCD SEG35Adjustment Procedures Operation on the Adjustment ModeOperation on the Output Power Adjustment PreparationAD-92SMA ConnectionJIG Trimmer Adjustment PLL LockVCO VoltageVCO Unit RF UnitL16 L456 L19Adjustment Mode Adjustments ReferenceDial FrequencyAdjustment Mode Adjustments PH ch 53.900 MHz Transmitting 8V 145 MHz Displayed frequency Connect an amme 45 a Logic Unit R325R365 R326Ctcss Tracking DetectorCoil AF Unit CP0IC151, pin 12 SD line L151Displayed frequency Connect a DC volt Maximum voltage Adjustment Adjustment Condition Operation MeterSection Parts List Order DescriptionCoil Eljre 3N9Z-F Ceramic ECJ0EB1H681K Connector AXK6S30445P Ceramic ECJ0EC1H060C Encoder Trimmer Tantalum ECST1EY474R Ceramic ECJ0EC1H2R5B Chassis Parts Mechanical Parts and DisassemblyAccessories Logic Unit RF UnitChassis Parts AF Unit VCO UnitSEMI-CONDUCTOR Information Transistors and FetsDiodes NameBoard Layouts TOP ViewMC1 Microphone DUPLogic unit Bottom ViewSP1 SQL PTTRF Unit RF unit EXT.SP EXT.MICREMOTO AF UnitVCO Unit S253S252 Block Diagram Logic UnitChassis Loop LPF HPF Drive BPF ANT FIL AMPVoltage Diagram 11 1 Logic UnitIC5 11 2 RF Unit 2SK347611 3 AF Unit BU4094BCFVURL 32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan