Icom IC-T90A manual Encoder

Page 37

[AF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

J252

6450001680

CONNECTOR

HSJ1122-010010

J253

6450002250

CONNECTOR

HSJ1456-010320

S251

7600000210

ENCODER

TP70N00E20-15F-1903

W1

7030010040

S.JUMPER

ERJ2GE-JPW

W2

7030010040

S.JUMPER

ERJ2GE-JPW

W3

9014505003

WIRE

22/07/070/W02/W02

EP1

0910054435

PCB

B 5735E

EP3

6910012350

S.BEAD

MMZ1608Y 102BT

EP4

6910012350

S.BEAD

MMZ1608Y 102BT

EP5

6910012350

S.BEAD

MMZ1608Y 102BT

EP6

6910013310

S.BEAD

MMZ1608D121B

EP7

6910013310

S.BEAD

MMZ1608D121B

EP8

6910013310

S.BEAD

MMZ1608D121B

[LOGIC UNIT]

 

 

 

REF

ORDER

 

DESCRIPTION

 

NO.

NO.

 

 

 

 

 

 

 

 

 

 

IC1

1140010730

S.IC

M30220MA-116RP

[USA]

 

1140010710

S.IC

M30220MA-114RP

except [USA]

IC2

1140009240

S.IC

HN58X24128FPI

 

IC5

1130006220

S.IC

TC4W53FU (TE12L)

 

IC91

1130007110

S.IC

TC7W04FU (TE12L)

 

IC92

1130007020

S.IC

TC7S66FU (TE85R)

 

IC141

1180002150

S.IC

NJM2370U32-TE1

 

IC142

1110005730

S.IC

S-80928CNMC

 

IC241

1110003800

S.IC

NJM2904V-TE1

 

Q1

1590001690

S.TRANSISTOR

UN9115 (TX)

 

Q2

1590001690

S.TRANSISTOR

UN9115 (TX)

 

Q3

1590001400

S.TRANSISTOR

XP1214 (TX)

 

Q4

1520000650

S.TRANSISTOR

2SB1201-S-TL

 

Q6

1590001400

S.TRANSISTOR

XP1214 (TX)

 

Q8

1520000460

S.TRANSISTOR

2SB1132 T100 R

 

Q9

1590001170

S.TRANSISTOR

XP1501-(TX) .AB

 

Q10

1540000350

S.TRANSISTOR

2SD2216-S (TX)

 

Q11

1590001140

S.TRANSISTOR

UN9210 (TX)

 

Q40

1590001860

S.TRANSISTOR

UN9215 (TX)

 

Q91

1540000350

S.TRANSISTOR

2SD2216-S (TX)

 

Q141

1540000350

S.TRANSISTOR

2SD2216-S (TX)

 

Q142

1590001170

S.TRANSISTOR

XP1501-(TX) .AB

 

Q145

1520000460

S.TRANSISTOR

2SB1132 T100 R

 

Q146

1590001170

S.TRANSISTOR

XP1501-(TX) .AB

 

Q147

1520000460

S.TRANSISTOR

2SB1132 T100 R

 

Q151

1540000350

S.TRANSISTOR

2SD2216-S (TX)

 

Q201

1520000650

S.TRANSISTOR

2SB1201-S-TL

 

Q202

1590001170

S.TRANSISTOR

XP1501-(TX) .AB

 

Q301

1590002380

S.TRANSISTOR

XP1115 (TX)

 

Q302

1520000430

S.TRANSISTOR

2SB1462-R (TX)

 

Q304

1550000010

S.FET

2SJ364-Q (TX)

 

Q305

1550000010

S.FET

2SJ364-Q (TX)

 

Q307

1590001440

S.TRANSISTOR

UN9214 (TX)

 

Q310

1590001190

S.TRANSISTOR

XP6501-(TX) .AB

 

Q311

1590001210

S.TRANSISTOR

XP5601-(TX) .AB

 

Q312

1590001190

S.TRANSISTOR

XP6501-(TX) .AB

 

Q342

1550000010

S.FET

2SJ364-Q (TX)

 

Q343

1550000010

S.FET

2SJ364-Q (TX)

 

Q451

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

 

D5

1790000860

S.DIODE

MA133 (TX)

 

D6

1790000670

S.DIODE

SB07-03C-TB

 

D51

1790000820

S.DIODE

MA132K (TX)

[USA], [CAN]

 

1790000850

S.DIODE

MA132WK (TX)

[GEN], [SEA]

D52

1790000820

S.DIODE

MA132K (TX)

 

D53

1790000850

S.DIODE

MA132WK (TX)

except [GEN]

D56

1790001250

S.DIODE

MA2S111-(TX)

except [GEN]

D58

1790001200

S.DIODE

MA6S121 (TX)

 

D60

1790001250

S.DIODE

MA2S111-(TX) [USA], [CAN] only

D91

1790001560

S.DIODE

1SS372 (TE85R)

 

[LOGIC UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

D141

1790001250

S.DIODE

MA2S111-(TX)

D143

1790001250

S.DIODE

MA2S111-(TX)

D152

1790001250

S.DIODE

MA2S111-(TX)

D253

1790001250

S.DIODE

MA2S111-(TX)

D300

1790001560

S.DIODE

1SS372 (TE85R)

D301

1790001560

S.DIODE

1SS372 (TE85R)

D302

1790001560

S.DIODE

1SS372 (TE85R)

X1

6050011080

S.XTAL

CR-687 (6.7584 MHz)

L24

6200003640

S.COIL

MLF1608E 100K-T

L140

6200003640

S.COIL

MLF1608E 100K-T

R1

7510001660

S.THRMISTOR

NTCG16 4LH 473KT

R2

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R4

7030008280

S.RESISTOR

ERJ2GEJ 271 X (270 Ω )

R5

7030008280

S.RESISTOR

ERJ2GEJ 271 X (270 Ω )

R8

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R9

7030005310

S.RESISTOR

ERJ2GEJ 124 X (120 kΩ )

R10

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R11

7030000150

S.RESISTOR

MCR10EZHJ 12 Ω (120)

R12

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R13

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R14

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R15

7030000150

S.RESISTOR

MCR10EZHJ 12 Ω (120)

R16

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R17

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R18

7030010390

S.RESISTOR

ERA3YED 821V

R19

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R20

7030010370

S.RESISTOR

ERJ2RHD 561 X (560 Ω )

R21

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R22

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R23

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R24

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R27

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R28

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R29

7030010380

S.RESISTOR

ERJ2RHD 471 X (470 Ω )

R32

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R33

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R34

7030004980

S.RESISTOR

ERJ2GEJ 101 X (100 Ω )

R35

7030005120

S.RESISTOR

ERJ2GEJ 102 X (1 kΩ )

R38

7030005090

S.RESISTOR

ERJ2GEJ 104 X (100 kΩ )

R39

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R40

7030008010

S.RESISTOR

ERJ2GEJ 123 X (12 kΩ )

R42

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R43

7030009160

S.RESISTOR

ERJ2GEJ 181 X (180 Ω )

R46

7030005710

S.RESISTOR

ERJ2GEJ 121 X (120 Ω )

R47

7030005710

S.RESISTOR

ERJ2GEJ 121 X (120 Ω )

R51

7030005160

S.RESISTOR

ERJ2GEJ 105 X (1 MΩ )

R53

7030005070

S.RESISTOR

ERJ2GEJ 683 X (68 kΩ )

R54

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R55

7030008270

S.RESISTOR

RR0510R-104-D (100 kΩ )

R56

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

R61

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R62

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R63

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R64

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R65

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R66

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R67

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R68

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R69

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R70

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R71

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R72

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R73

7030005010

S.RESISTOR

ERJ2GEJ 681 X (680 Ω )

R74

7030004990

S.RESISTOR

ERJ2GEJ 221 X (220 Ω )

R75

7030005040

S.RESISTOR

ERJ2GEJ 472 X (4.7 kΩ )

R80

7030005080

S.RESISTOR

ERJ2GEJ 823 X (82 kΩ )

R81

7030005080

S.RESISTOR

ERJ2GEJ 823 X (82 kΩ )

R82

7030005720

S.RESISTOR

ERJ2GEJ 563 X (56 kΩ )

R83

7030005720

S.RESISTOR

ERJ2GEJ 563 X (56 kΩ )

R84

7030005310

S.RESISTOR

ERJ2GEJ 124 X (120 kΩ )

R85

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R88

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R89

7030005240

S.RESISTOR

ERJ2GEJ 473 X (47 kΩ )

R91

7030005050

S.RESISTOR

ERJ2GEJ 103 X (10 kΩ )

R92

7030004970

S.RESISTOR

ERJ2GEJ 470 X (47 Ω )

R93

7030004970

S.RESISTOR

ERJ2GEJ 470 X (47 Ω )

 

 

 

 

S.=Surface mount

6 - 6

Page 36 Page 38
Image 37
Page 36 Page 38
Contents IC-t90a Ordering Parts IntroductionRepair Notes Sample OrderTable of Contents General SpecificationsTransmitter Frequency MHz ReceiverWFM WFMLogic Unit Inside ViewsTop view Bottom viewRF Unit AF UnitTop view Bottom view Removing the rear panel Removing the AF unit Disassembly InstructionsReceiver Circuits Circuit Description5 2ND if and Demodulator Circuits AF Unit 4 1ST Mixer and 1ST if Circuits RF, AF and VCO UnitsRF Circuit Squelch Circuitaf and Logic Units AF Amplifier Circuit AF Unit2ND 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 PreparationJIG ConnectionAD-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 Coil DetectorTracking 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 Accessories Mechanical Parts and DisassemblyChassis 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 VCO Unit AF 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
Top Page Image Contents