Motorola IC-T81E, IC-T81A service manual Transistor UN911D TX

Page 27

[RF UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

Q826

1590001910

S.TRANSISTOR UN911D (TX)

Q827

1590001970

S.TRANSISTOR UN921E (TX)

Q828

1590001910

S.TRANSISTOR UN911D (TX)

Q829

1590001970

S.TRANSISTOR UN921E (TX)

Q901

1590001150

S.TRANSISTOR UN9211 (TX)

Q902

1540000350

S.TRANSISTOR 2SD2216-S (TX)

Q903

1520000460

S.TRANSISTOR 2SB1132 T100 R

Q904

1590001150

S.TRANSISTOR UN9211 (TX)

Q905

1510000670

S.TRANSISTOR 2SA1588-GR (TE85R)

Q906

1590001150

S.TRANSISTOR UN9211 (TX)

Q907

1510000670

S.TRANSISTOR 2SA1588-GR (TE85R)

Q908

1590001150

S.TRANSISTOR UN9211 (TX)

Q909

1510000670

S.TRANSISTOR 2SA1588-GR (TE85R)

Q910

1590001150

S.TRANSISTOR UN9211 (TX)

Q911

1510000670

S.TRANSISTOR 2SA1588-GR (TE85R)

Q912

1590001860

S.TRANSISTOR UN9215 (TX)

Q913

1590002160

S.TRANSISTOR XP6401-(TX)

Q921

1590002600

S.FET

MRF9745 T1

Q922

1560001060

S.FET

2SK3075 (TE12L)

Q923

1540000350

S.TRANSISTOR

2SD2216-S (TX)

Q924

1590001860

S.TRANSISTOR

UN9215 (TX)

Q925

1590001860

S.TRANSISTOR

UN9215 (TX)

Q926

1590001860

S.TRANSISTOR

UN9215 (TX)

Q927

1590001860

S.TRANSISTOR

UN9215 (TX)

Q928

1590001150

S.TRANSISTOR

UN9211 (TX)

Q929

1510000670

S.TRANSISTOR

2SA1588-GR (TE85R)

Q931

1590001660

S.TRANSISTOR

XP4312 (TX)

Q932

1540000350

S.TRANSISTOR

2SD2216-S (TX)

D1

1750000540

S.DIODE

RB060L-40 TE-25

D4

1790001240

S.DIODE

MA2S728-(TX)

D5

1790000860

S.DIODE

MA133 (TX)

D6

1790000670

S.DIODE

SB07-03C-TB

D10

1790001250

S.DIODE

MA2S111-(TX)

D12

1790000850

S.DIODE

MA132WK (TX)

D31

1790001260

S.DIODE

MA2S077-(TX)

D32

1790001620

S.DIODE

1SV308 (TPL3)

D51

1790001260

S.DIODE

MA2S077-(TX)

D52

1790001260

S.DIODE

MA2S077-(TX)

D53

1790001620

S.DIODE

1SV308 (TPL3)

D101

1790001620

S.DIODE

1SV308 (TPL3)

D102

1790001620

S.DIODE

1SV308 (TPL3)

D103

1790001260

S.DIODE

MA2S077-(TX)

D106

1720000370

S.VARICAP

HVU350TRF

D107

1720000370

S.VARICAP

HVU350TRF

D108

1790001620

S.DIODE

1SV308 (TPL3)

D132

1790001620

S.DIODE

1SV308 (TPL3)

D134

1790001620

S.DIODE

1SV308 (TPL3)

D141

1790001620

S.DIODE

1SV308 (TPL3)

D142

1790001250

S.DIODE

MA2S111-(TX)

D143

1790001250

S.DIODE

MA2S111-(TX)

D201

1790001620

S.DIODE

1SV308 (TPL3)

D202

1720000730

S.VARICAP

MA2S30400L

D203

1720000730

S.VARICAP

MA2S30400L

D204

1790001620

S.DIODE

1SV308 (TPL3)

D302

1790001260

S.DIODE

MA2S077-(TX)

D303

1790001260

S.DIODE

MA2S077-(TX)

D304

1790001620

S.DIODE

1SV308 (TPL3)

D306

1750000610

S.VARICAP

MA2SV0500L

D309

1750000610

S.VARICAP

MA2SV0500L

D310

1750000610

S.VARICAP

MA2SV0500L

D311

1790001620

S.DIODE

1SV308 (TPL3)

D341

1720000660

S.VARICAP

1SV288 (TPH2)

D402

1790001260

S.DIODE

MA2S077-(TX)

D403

1790001260

S.DIODE

MA2S077-(TX)

D404

1790001260

S.DIODE

MA2S077-(TX)

D405

1790001620

S.DIODE

1SV308 (TPL3)

D406

1790001250

S.DIODE

MA2S111-(TX)

D407

1790001260

S.DIODE

MA2S077-(TX)

D501

1790001620

S.DIODE

1SV308 (TPL3)

D503

1790001620

S.DIODE

1SV308 (TPL3)

D505

1790001620

S.DIODE

1SV308 (TPL3)

D507

1790001620

S.DIODE

1SV308 (TPL3)

D508

1790000850

S.DIODE

MA132WK (TX)

D509

1790001260

S.DIODE

MA2S077-(TX)

D510

1790001200

S.DIODE

MA6S121 (TX)

D601

1750000360

S.DIODE

1SS364 (TE85L)

D602

1750000360

S.DIODE

1SS364 (TE85L)

D721

1750000360

S.DIODE

1SS364 (TE85L)

D801

1790000850

S.DIODE

MA132WK (TX)

D802

1790001260

S.DIODE

MA2S077-(TX)

 

 

 

 

[RF UNIT]

REF

ORDER

 

DESCRIPTION

 

NO.

NO.

 

 

 

 

 

 

 

 

 

 

D803

1790001260

S.DIODE

MA2S077-(TX)

 

D804

1790001260

S.DIODE

MA2S077-(TX)

 

D805

1790001260

S.DIODE

MA2S077-(TX)

 

D806

1790001260

S.DIODE

MA2S077-(TX)

 

D807

1790001260

S.DIODE

MA2S077-(TX)

 

D808

1790001260

S.DIODE

MA2S077-(TX)

 

D810

1790001200

S.DIODE

MA6S121 (TX)

 

D901

1790000860

S.DIODE

MA133 (TX)

 

D902

1750000530

S.DIODE

1SV271 (TPH3)

 

D903

1790001260

S.DIODE

MA2S077-(TX)

 

D904

1750000530

S.DIODE

1SV271 (TPH3)

 

D906

1790001620

S.DIODE

1SV308 (TPL3)

 

D907

1790001620

S.DIODE

1SV308 (TPL3)

 

D908

1790001260

S.DIODE

MA2S077-(TX)

 

D909

1750000530

S.DIODE

1SV271 (TPH3)

 

D910

1750000530

S.DIODE

1SV271 (TPH3)

 

D913

1790001620

S.DIODE

1SV308 (TPL3)

 

D914

1790001620

S.DIODE

1SV308 (TPL3)

 

D918

1790001620

S.DIODE

1SV308 (TPL3)

 

D919

1730002360

S.ZENER

MA8062-M (TX)

 

FI51

2040001360

S.FILTER

LFL30-13C1270B060

 

FI52

2040001360

S.FILTER

LFL30-13C1270B060

 

FI401

2040001020

S.SAW

EFCH445MWNP1

[USA-1] only

 

2040001000

S.SAW

EFCH435MWNP1

[other]

FI601

2010002340

S.FILTER

FL-299 (69.450 MHz)

 

FI602

2020001500

S.CERAMIC

SFECV13.35MA

 

X1

6050010520

S.XTAL

CR-638 (13.800 MHz)

 

L1

6200008510

S.COIL

0.30-0.9-4TR 10.5N

 

L2

6200008440

S.COIL

LQN21A 8N2D04

 

L3

6200008440

S.COIL

LQN21A 8N2D04

 

L4

6200008240

S.COIL

0.30-0.9-5TL 14N

 

L5

6200008540

S.COIL

0.26-0.9-6TR 19N

 

L6

6200008690

S.COIL

0.26-0.9-7TR 23N

 

L7

6200008530

S.COIL

0.30-1.0-4TR 12N

 

L8

6200008210

S.COIL

0.45-1.5-5TL 23.2N

 

L9

6200008220

S.COIL

0.40-1.4-5TR 21N

 

L10

6200008150

S.COIL

0.35-1.6-7TL 44N

 

L11

6200008170

S.COIL

0.35-1.6-8TL 54N

 

L12

6200008170

S.COIL

0.35-1.6-8TL 54N

 

L13

6200008080

S.COIL

LQN21A R22J04

 

L14

6200008190

S.COIL

0.25-1.9-8TL 80N

 

L15

6200008180

S.COIL

0.25-1.9-10TL 107N

 

L16

6200008180

S.COIL

0.25-1.9-10TL 107N

 

L17

6200008360

S.COIL

0.25-1.9-13TL

 

L18

6200008360

S.COIL

0.25-1.9-13TL

 

L51

6200008680

S.COIL

0.26-0.8-3TR 6.8N

 

L52

6200008490

S.COIL

0.30-0.9-3TR 7.5N

 

L53

6200008680

S.COIL

0.26-0.8-3TR 6.8N

 

L54

6200008680

S.COIL

0.26-0.8-3TR 6.8N

 

L55

6200008930

S.COIL

0.26-0.7-3TL 5.6N

 

L56

6200008680

S.COIL

0.26-0.8-3TR 6.8N

 

L57

6200008520

S.COIL

0.30-0.7-3TR 4.9N

 

L58

6200005650

S.COIL

ELJRE 8N2Z-F

 

L59

6200005600

S.COIL

ELJRE 3N3Z-F

 

L61

6200008420

S.COIL

HF50ACC 453215P-T

 

L62

6200003590

S.COIL

EXCCL3225U1

 

L63

6200003590

S.COIL

EXCCL3225U1

 

L64

6200005610

S.COIL

ELJRE 3N9Z-F

 

L65

6200005490

S.COIL

NL 322522T-331J

 

L101

6200007790

S.COIL

LQN21A R15J04

 

L102

6200007790

S.COIL

LQN21A R15J04

 

L108

6200007120

S.COIL

ELJND 1R0J 1U

 

L109

6200007360

S.COIL

ELJND R47J 0.47U

 

L110

6200007360

S.COIL

ELJND R47J 0.47U

 

L121

6200005610

S.COIL

ELJRE 3N9Z-F

 

L122

6200005630

S.COIL

ELJRE 5N6Z-F

 

L123

6200006770

S.COIL

ELJRE 1N5Z-F

 

L124

6200005590

S.COIL

ELJRE 2N7Z-F

 

L125

6200005590

S.COIL

ELJRE 2N7Z-F

 

L134

6200004480

S.COIL

MLF1608D R82K-T

 

L135

6200007800

S.COIL

LQN21A R18J04

 

L136

6200005720

S.COIL

ELJRE 33NG-F

 

L137

6200005710

S.COIL

ELJRE 27NG-F

 

L138

6200007700

S.COIL

LQN21A 22NJ04

 

L139

6200005630

S.COIL

ELJRE 5N6Z-F

 

L142

6200005730

S.COIL

ELJRE 39NG-F

 

 

 

 

 

 

S.=Surface mount

6 - 4

Image 27
Contents Multiband FM Transceiver Sample Order IntroductionOrdering Parts Repair NotesTable of Contents Version 50 MHz 145 MHz 440 MHz 1200 MHz MHz RX only SpecificationsGeneral TransmitterWFM ReceiverBand WFMCPU Inside ViewsLogic Unit RF UnitLogic unit Disassembly InstructionsRemoving the Chassis Panel Removing the Shield Plate Removing the Logic Unit Removing the RF UnitDuplexer Circuit RF Unit Antenna Switching Circuits RF UnitCircuit Description Receiver Circuits7 1ST Mixer Circuit RF Unit Transmitter Circuits APC Control Circuit DRIVE/POWER Amplifier Circuits RF UnitAPC Circuits RF Unit MHz PAVCC Power Supply Circuits Voltage LinePLL Circuits Line DescriptionPin Port Description Number Name Port Allocations1 I/O Expander IC RF Unit IC2 2 I/O Expander IC RF Unit IC3CPU Logic Unit IC1 Connection Adjustment ProceduresPreparation ‘ Required Test EquipmentPLL Adjustment RF Unit TOP View 6MLV RF Unit Bottom ViewULV VLVVHF Receiver AdjustmentDial SensitivityLogic Unit TOP View 101 dBm MeterSSG Top Push and hold MHz bandSQL key Displayed frequencyPush and hold 445.000 MHz USA-1Transmitter Adjustment AUS, SEA DeviationHPF OFF LPF Dtmf=Surface mount Parts ListTrimmer Ceramic ECUE1H121JCQ Transistor UN911D TX Coil Eljnd R10J 0.1U Themistor Ceramic ECUE1H060CCQ Ceramic ECUE1H390JCQ VCO Board Ceramic ECUE1H120JCQ VCO Unit Mechanical Parts and DisassemblyAccessories Chassis PartsMP29 C SEMI-CONDUCTOR Information Transistor and FET’SDiodes Board Layouts Logic UnitTOP View GND Pset Ifin Bottom ViewIC1 IC3J4 to Logic unit J1 RF UnitIC6 L912MP1 IC3IC2 VLVCO3 VHF GND VHVCO3 UVCO3 Uhfout GND 12VCO3 GND VCO BoardJ302 to RF unit OUT 12VCOOUTQ354 Block Diagram ANT LPF HPF AMP Mode Xtal BPF PDA2, CK AMPTX/RX Frequency TX/RX BuffANT Buff HPF LPF YGR ResetMode Xtal Initial BPF MOD TX/RX FrequencyLogic Unit Section Voltage DiagramWFM NTCCF20124AH 473KCT TXC 2NDLOOscin Mixin Oscout GND Mixout REC VCC DET Ifin Rssi DEC Ifout Filout QuadCOM4 COM3 COM2 COM1 12VCO COM2 ResetCOM3 COM2 Reset Power Clonein VCC VIN Cpuhv1200M RF UnitVHF 400M400MHz 50M00M 1200MHzLOK GND2 GND1PLST1 IN1 ENB VCC2Icom America Inc Icom Inc 5566I-S