Icom IC-T90A manual Ceramic ECJ0EC1H060C

Page 36

[AF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

R216

7030008290

S.RESISTOR

ERJ2GEJ 183 X (18 kΩ )

R217

7030008290

S.RESISTOR

ERJ2GEJ 183 X (18 kΩ )

R218

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R219

7030008290

S.RESISTOR

ERJ2GEJ 183 X (18 kΩ )

R220

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R221

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R222

7030008300

S.RESISTOR

ERJ2GEJ 184 X (180 kΩ )

R223

7030005160

S.RESISTOR

ERJ2GEJ 105 X (1 MΩ )

R224

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R225

7030007340

S.RESISTOR

ERJ2GEJ 153 X (15 kΩ )

R228

7030008300

S.RESISTOR

ERJ2GEJ 184 X (180 kΩ )

R229

7030009160

S.RESISTOR

ERJ2GEJ 181 X (180 Ω )

R230

7030005530

S.RESISTOR

ERJ2GEJ 100 X (10 Ω )

R231

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R232

7030007290

S.RESISTOR

ERJ2GEJ 222 X (2.2 kΩ )

R233

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R234

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R251

7030005160

S.RESISTOR

ERJ2GEJ 105 X (1 MΩ )

R252

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R253

7030005060

S.RESISTOR

ERJ2GEJ 333 X (33 kΩ )

R254

7030005110

S.RESISTOR

ERJ2GEJ 224 X (220 kΩ )

R256

7030007340

S.RESISTOR

ERJ2GEJ 153 X (15 kΩ )

R257

7030005070

S.RESISTOR

ERJ2GEJ 683 X (68 kΩ )

R258

7030005080

S.RESISTOR

ERJ2GEJ 823 X (82 kΩ )

R259

7030005210

S.RESISTOR

ERJ2GEJ 822 X (8.2 kΩ )

R260

7030005310

S.RESISTOR

ERJ2GEJ 124 X (120 kΩ )

R261

7030005060

S.RESISTOR

ERJ2GEJ 333 X (33 kΩ )

R262

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

R263

7030007270

S.RESISTOR

ERJ2GEJ 151 X (150 Ω )

R264

7030005530

S.RESISTOR

ERJ2GEJ 100 X (10 Ω )

R265

7030007280

S.RESISTOR

ERJ2GEJ 331 X (330 Ω )

R266

7030008280

S.RESISTOR

ERJ2GEJ 271 X (270 Ω )

C1

4030017460

S.CERAMIC

ECJ0EB1E102K

C2

4030017460

S.CERAMIC

ECJ0EB1E102K

C3

4030017460

S.CERAMIC

ECJ0EB1E102K

C4

4030016790

S.CERAMIC

ECJ0EB1C103K

C5

4030017710

S.CERAMIC

ECJ0EC1H181J

C6

4030017690

S.CERAMIC

ECJ0EC1H121J

C7

4030017430

S.CERAMIC

ECJ0EC1H101J

C8

4030017600

S.CERAMIC

ECJ0EC1H080C

C9

4030016790

S.CERAMIC

ECJ0EB1C103K

C10

4030017570

S.CERAMIC

ECJ0EC1H040B

C11

4030017400

S.CERAMIC

ECJ0EC1H220J

C12

4030017350

S.CERAMIC

ECJ0EC1H020B

C13

4030017400

S.CERAMIC

ECJ0EC1H220J

C14

4030017570

S.CERAMIC

ECJ0EC1H040B

C17

4030017460

S.CERAMIC

ECJ0EB1E102K

C18

4030016790

S.CERAMIC

ECJ0EB1C103K

C23

4030017590

S.CERAMIC

ECJ0EC1H070C

C24

4030017660

S.CERAMIC

ECJ0EC1H330J

C25

4030017580

S.CERAMIC

ECJ0EC1H060C

C26

4030017660

S.CERAMIC

ECJ0EC1H330J

C51

4030017460

S.CERAMIC

ECJ0EB1E102K

C52

4030017460

S.CERAMIC

ECJ0EB1E102K

C53

4030017460

S.CERAMIC

ECJ0EB1E102K

C54

4550006620

S.TANTALUM

ECST0JY226R

C55

4030017460

S.CERAMIC

ECJ0EB1E102K

C56

4030017460

S.CERAMIC

ECJ0EB1E102K

C57

4030017460

S.CERAMIC

ECJ0EB1E102K

C58

4550006620

S.TANTALUM

ECST0JY226R

C59

4550006620

S.TANTALUM

ECST0JY226R

C60

4030017460

S.CERAMIC

ECJ0EB1E102K

C101

4030016790

S.CERAMIC

ECJ0EB1C103K

C103

4030017570

S.CERAMIC

ECJ0EC1H040B

C105

4030016790

S.CERAMIC

ECJ0EB1C103K

C107

4030017460

S.CERAMIC

ECJ0EB1E102K

C109

4030017430

S.CERAMIC

ECJ0EC1H101J

C110

4030017460

S.CERAMIC

ECJ0EB1E102K

C111

4030017460

S.CERAMIC

ECJ0EB1E102K

C113

4030016790

S.CERAMIC

ECJ0EB1C103K

C114

4030017600

S.CERAMIC

ECJ0EC1H080C

C115

4030017460

S.CERAMIC

ECJ0EB1E102K

C116

4030016790

S.CERAMIC

ECJ0EB1C103K

C117

4550006200

S.TANTALUM

ECST0JY106R

C151

4030017460

S.CERAMIC

ECJ0EB1E102K

C152

4030017330

S.CERAMIC

ECJ0EF1C104Z

C153

4030016790

S.CERAMIC

ECJ0EB1C103K

C154

4030017670

S.CERAMIC

ECJ0EC1H390J

C155

4030017700

S.CERAMIC

ECJ0EC1H151J

C156

4030017460

S.CERAMIC

ECJ0EB1E102K

 

 

 

 

[AF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

C157

4030017460

S.CERAMIC

ECJ0EB1E102K

C158

4030017460

S.CERAMIC

ECJ0EB1E102K

C159

4030017330

S.CERAMIC

ECJ0EF1C104Z

C160

4030017460

S.CERAMIC

ECJ0EB1E102K

C161

4030017460

S.CERAMIC

ECJ0EB1E102K

C162

4030017330

S.CERAMIC

ECJ0EF1C104Z

C163

4030017330

S.CERAMIC

ECJ0EF1C104Z

C164

4550006200

S.TANTALUM

ECST0JY106R

C165

4030016790

S.CERAMIC

ECJ0EB1C103K

C166

4030016790

S.CERAMIC

ECJ0EB1C103K

C167

4030016790

S.CERAMIC

ECJ0EB1C103K

C168

4550006620

S.TANTALUM

ECST0JY226R

C201

4030017400

S.CERAMIC

ECJ0EC1H220J

C202

4030017460

S.CERAMIC

ECJ0EB1E102K

C203

4030016790

S.CERAMIC

ECJ0EB1C103K

C204

4030012610

S.CERAMIC

C2012 JB 1C 474K-T

C205

4550005980

S.TANTALUM

TEMSVA 1A 475M-8L

C206

4030017330

S.CERAMIC

ECJ0EF1C104Z

C207

4030009660

S.CERAMIC

C1608 JF 1C 224Z-T

C208

4030016790

S.CERAMIC

ECJ0EB1C103K

C209

4030017330

S.CERAMIC

ECJ0EF1C104Z

C210

4030017330

S.CERAMIC

ECJ0EF1C104Z

C211

4030017330

S.CERAMIC

ECJ0EF1C104Z

C212

4030016950

S.CERAMIC

ECJ0EB1A473K

C213

4030017780

S.CERAMIC

ECJ0EB1E472K

C214

4030016790

S.CERAMIC

ECJ0EB1C103K

C215

4030017780

S.CERAMIC

ECJ0EB1E472K

C216

4030017760

S.CERAMIC

ECJ0EB1H222K

C217

4030016790

S.CERAMIC

ECJ0EB1C103K

C218

4030016960

S.CERAMIC

ECJ0EB1C183K

C219

4030017330

S.CERAMIC

ECJ0EF1C104Z

C220

4030017330

S.CERAMIC

ECJ0EF1C104Z

C221

4030017330

S.CERAMIC

ECJ0EF1C104Z

C223

4030017330

S.CERAMIC

ECJ0EF1C104Z

C225

4030017490

S.CERAMIC

C1608 JB 1A 105K-T

C227

4030017460

S.CERAMIC

ECJ0EB1E102K

C228

4550006620

S.TANTALUM

ECST0JY226R

C229

4030017460

S.CERAMIC

ECJ0EB1E102K

C230

4030017460

S.CERAMIC

ECJ0EB1E102K

C251

4030017460

S.CERAMIC

ECJ0EB1E102K

C252

4030016950

S.CERAMIC

ECJ0EB1A473K

C253

4030017330

S.CERAMIC

ECJ0EF1C104Z

C254

4030017330

S.CERAMIC

ECJ0EF1C104Z

C255

4030017460

S.CERAMIC

ECJ0EB1E102K

C256

4030017330

S.CERAMIC

ECJ0EF1C104Z

C257

4030017460

S.CERAMIC

ECJ0EB1E102K

C258

4030017330

S.CERAMIC

ECJ0EF1C104Z

C259

4030008680

S.CERAMIC

C2012 JF 1C 105Z-T

C260

4030008680

S.CERAMIC

C2012 JF 1C 105Z-T

C261

4510006960

S.ELECTROLYTIC ECEV0JA151WP

C263

4030017330

S.CERAMIC

ECJ0EF1C104Z

C265

4030017420

S.CERAMIC

ECJ0EC1H470J

C267

4550003080

S.TANTALUM

TEMSVA 1A 335M-8L

C268

4030016950

S.CERAMIC

ECJ0EB1A473K

C269

4510006960

S.ELECTROLYTIC ECEV0JA151WP

C270

4030017460

S.CERAMIC

ECJ0EB1E102K

C272

4030017460

S.CERAMIC

ECJ0EB1E102K

C274

4030017420

S.CERAMIC

ECJ0EC1H470J

C275

4030017460

S.CERAMIC

ECJ0EB1E102K

C276

4030017460

S.CERAMIC

ECJ0EB1E102K

C277

4030017460

S.CERAMIC

ECJ0EB1E102K

C278

4030017460

S.CERAMIC

ECJ0EB1E102K

C279

4030017460

S.CERAMIC

ECJ0EB1E102K

C282

4030017420

S.CERAMIC

ECJ0EC1H470J

C283

4030017420

S.CERAMIC

ECJ0EC1H470J

C284

4030017420

S.CERAMIC

ECJ0EC1H470J

C286

4030017690

S.CERAMIC

ECJ0EC1H121J

C287

4030017420

S.CERAMIC

ECJ0EC1H470J

C289

4030017460

S.CERAMIC

ECJ0EB1E102K

C293

4030017420

S.CERAMIC

ECJ0EC1H470J

C296

4030017460

S.CERAMIC

ECJ0EB1E102K

C298

4030017330

S.CERAMIC

ECJ0EF1C104Z

C299

4030017330

S.CERAMIC

ECJ0EF1C104Z

C300

4030017330

S.CERAMIC

ECJ0EF1C104Z

C301

4030017330

S.CERAMIC

ECJ0EF1C104Z

C302

4030017460

S.CERAMIC

ECJ0EB1E102K

C303

4030017460

S.CERAMIC

ECJ0EB1E102K

C304

4030017460

S.CERAMIC

ECJ0EB1E102K

J51

6510022880

S.CONNECTOR

AXK5S30340P

J251

6510022470

S.CONNECTOR

40FLT-SM1-TB

 

 

 

 

S.=Surface mount

6 - 5

Page 35 Page 37
Image 36
Page 35 Page 37
Contents IC-t90a Introduction Ordering PartsRepair Notes Sample OrderTable of Contents Specifications GeneralTransmitter Receiver Frequency MHzWFM WFMInside Views Logic UnitTop view Bottom viewAF Unit RF UnitTop view Bottom view Disassembly Instructions Removing the rear panel Removing the AF unitCircuit Description Receiver Circuits4 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 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 PreparationConnection JIGAD-92SMA 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 Detector CoilTracking AF Unit CP0IC151, pin 12 SD line L151Displayed frequency Connect a DC volt Maximum voltage Adjustment Adjustment Condition Operation MeterSection Parts List Order Description Coil Eljre 3N9Z-F Ceramic ECJ0EB1H681K Connector AXK6S30445P Ceramic ECJ0EC1H060C Encoder Trimmer Tantalum ECST1EY474R Ceramic ECJ0EC1H2R5B Mechanical Parts and Disassembly AccessoriesChassis Parts 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 AF Unit VCO UnitEXT.SP EXT.MICREMOTO 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
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