1200MHz, 400MHz, 50MHz | Motorola IC-T81A, IC-T81E

50T:0.8

R88150R:0.4

220

C877C878

0.10.001

C879

3 P

D142

50TX

VHFTX

12TX

50TX

MA2S111

UHFTX

C183

VHFTX

0.001

C150

D143

R138

R140

Q929

0.001

150

C144

R144

MA2S111

R953

R934

0.01

3.9 K

4.7 K

2SA1588 GR

50T:2.2

R135

L134∝

R142

R141

L135

Q928

150

50R:0.5

C182

∝H

50M

0.001

0.82

3.9 K

0.18

UN9211

R954

C181

C145

50T:2.4

L136

D132

L907

L912

C904

L807

C141

50T:2.0

3225

∝

470

C952

R933

0.22 ∝H

0.001

50R:0

33 nH

1SV308

107 nH

0.001

50R:0

VT:2.1

L914

0.001

150

R882

C880

VT:1.7

VR:0

C146

C149

C173

C940

27 K

5 P

VR:0

0.22 ∝H

C978

50T:0.8

150 P

0.001

0.1

C953

R161

0.001

C955

L915

Q821

50R:0

R139

3.9 K

L906

0.001

C954 15 P

0.001

0.22 ∝H

14 nH

10.5 nH

VT:0.7

3.3 K

C943

3225 ∝H

D802

MA2S077

R884

220

L808	D803
L808	MA2S077
0.1 ∝H	MA2S077
C884
0.001		D804
		MA2S077
	R887
	4.7 K

W:1.7

50R:1.7

VC:1.7

50T:0.6

Q822 2SC5107 O

00M

L809		C890	D805
22 nH		5 P	MA2S077
		5 P
	C898		R892
	0.001		R892
UC:2.2			4.7 K

L810

12 nH

R900

4.7 K

D808

MA2S077

823 SC5107 O

1200M

L811		D806
L811		MA2S077
4.7 nH		MA2S077

	C897	D807
	C897	MA2S077
	6 P	MA2S077

R897

954.7 K

12C:2.3
Q824	C900
2SC5195	2 P
2SC5195
	C418
	5 P

C885

22 P

R888

4.7K

R899

4.7K

C901

0.001

R414

4.7 K

R511

4.7 K

2SC4403 3

VR:0

C942

0.001

C143

R131

R143

C147

0.0022

L913

C956

L905

D906

R943

R134

C142

0.001

47 50T:0.8

2.7 K

Q134

15 P

L908

0.40-1.4-2TL

D902 8 P

17.5 nH

1SV308

47 K

C326

C25

R165

Q133

50R:0

0.14 ∝

L910

1SV271

3 P

0.001

VT:0.7

2SC3356 R25

C944

L909

C941

1 P

3.3 K

VHFTX

2SC4403 3

VR:0

C924

C923

3.5 P

6.8 nH

2.2 nH 0.001

R945

C983

Q926

C327

C325

D903

0.1

0.001

C886

C891

C:13.2

R949

150

0.001

5 P

8 P

MA2S077

UHFTX

C945

UN9215

C982

0.001

0.1

C951

2.2

R925

47 P

R928

0.001

R893

C892

C921

R145

C155

R147

C159

0.001

Q922

Q924

C:12.7

4.7 K

0.001

150

0.001

R152

0.001

100

Q921

L933

C917

C958

C986

C977

UT:2.8

3.9 K

2SK3075

UN9215

0.001

R936

0.001

C154

L138

UR:0

C928

MRF9745

L911

2.2 nH

0.5 P

Q902

VCC

L139

C160

R935 47 K

T:4.1

C151

UT:2.6

L137 0.01

R132

22 nH

5.6 nH

0.001

2.2 nH

C957

∝

Q903

0.001

R146 UR:0

27 nH

R149

0.001

L924 0.82 H

2SD2216 S

R:0

180

C968

L923

5.6 K

3.9 K

J951

L916

C979

R942

L918

C967

D918

+3C

D901

2SB1132 R

C156

D141

R157

C175

C948

23.2 nH

0.001

0.82 ∝H

C153

R150

C157

MM7329-2700

0.001

150

36 nH 0.001

1SV308

MA133

7 P

1SV308

3.9 K

0.001

C911

C161

5 P

UT:0.8

2.7 K

10 P

C152

R163

D909

D907 1SV308

0.001

R901

+ C912

0.001

R166

Q135

UR:0

Q136

D134

C961

C963

0.001

UT:0.8

3.9K

1SV308

C960

39 P

1SV271

39 P

C965

R939

L922

C974

TXC

470

2.2

Q905

UR:0

3.3 K

C949

8 P

2SC5107 O

2SC3356 R25

R923

56 P

Q925

150

0.82 ∝H

0.001

Q901

50T:3.3

R903

12TX

R924

R929

0.001

L919

C964

C966

2SA1588 GR

L142

C907

C180

27 K

Q923

L917

UN9215

10 P

UN9211

50R:0

4.7 K

C138

L122

100 K

1 K

65 nH

R902

50T:4.0

R898

R122

R126

C135

39 nH

L143

0.1

0.001

2SD2216 S

80nH

C973

470

4.7 K

0.001

100

0.001

5.6 nH

1.5 nH

R931

R930

C962

C980

0.001

D910

50R:0

C136

L123

R932

C950

Q904

VT:3.4

R905

50TX

12T:2.3

VGGC

100K

120 P

1SV271

3 P

1.5 nH

Q138

C178 C172 C170

10 K

0.001

VR:0

4.7 K

12R:0

R124

R158

L920

C981

UN9211

R904

C132

R121

L121

3.9 K

R156

MXR9745 RT1

5 P

0.001

R944

R940 47 K

Q907

R133

L125

3.9 K

C914

0.25-1.9-13TL

0.001

VHF

470

0.001

3.9 K

3.9 nH

2.7 nH

100

0.001

Q931

C971 0.001

47 K

Q906

2SA1588 GR

VHFTX

C137

Q927

L124

C133

4 P

R159

L921

R938

UN9211

C903

R907

VT:4.1

C902

2.7 nH

12T:3.3

XP4312

C969

UN9215

VR:0

3 P

82K

0.82 ∝H

C976

C975

0.1

4.7 K

0.001

12R:0

R160

TXC

220 P

D908

0.001

UHF

Q909

C131

C139

R123

R125

Q132

100 K

C163

C970

C972

0.001

3.9 K

MA2S077

0.001

Q908

R906

2SA1588 GR

Q131

3.3 K

0.001

Q932

56 P

12T:0.7

2SC5454 R54

UHFTX

R916

C934

UN9211

470

R909

12T:0.8

2SC5195

R914

C930

R915

2SD2216 S

VT:3.3

VT:4.1

12R:0

C931

1 M

0.001

12R:0

10 K

0.001

10 K

C937

VR:0

4.7 K

VR:0

0.001

C935

Q139

Q140

C932

C939

R952

0.001

C988

L926

R946

1200

Q911

C913

0.001

C916

Q910

0.001

470

0.001

0.1 ∝H

100

R908

2SA1588 GR

UN9115

2SD2216 S

1 P

D913

470

12T:3.4

12TX

UN9211

C933

R919

D919

C938

J952

1SV308

C987

12R:0

0.001

IC901

4.7 K

0.1

D914

VCC

C899

R910

C171

R128

R917

MA8062M

MM7329-2700

0.001

12T:4.1

0.001

1 K

0.001

4.7 K

NJM3404AV

1SV308

L931

22 K

R31

D31

C54

C53

L57

L56

L55

L54

C58

C45

C43

C41

12R:0

0.82 ∝H

R911

3.3 K

MA2S077

0.001

2.5 P

4.9 nH

6.8 nH

5.6 nH

6.8 nH

4 P

1.5 P

2 P

3 P

Q912

Q913

R912

0.15

1200MHz

1.8 K

FI52

R918

L64

C34

C35

R32

D32

C52

C51

C44

C42

27 K

2.5 P

UN9215

XP6401

L932

R53

R51

3.9 nH

0.001

3.3 K

1SV308

C49

0.001

LFL30-13C1270B060

C36

TXC

10 ∝H

6.8 K

D52

D51

0.5 P

C64

8.2 nH

0.001

C60

C57

MA2S077

C915

R58

L58

C55

2 P

R913

0.001

7 8 9

C48

C46

L51 L53

L52

6 7 8 9

150

8.2 nH

0.001

C50

6 VCC

8.2 nH

10 K

C61

NC NC

R33

1.5 P

3 P

2 P

6.8 nH 6.8 nH

7.5 nH

C908

8 P

5 GND

GND

5 OUT

12T:0

3.3 K

0.001

OUT IN 10

GND

NCNC GNDNC

GNDNC NCNC

C56

12R:0.9

1 P

MP1

L59

NC GND NCGND NCNC

OUT

15 P 12T:0

R52

C59

12R:2.5

3 P

C37

2135 PA HEATSINK

PSET

3.3 nH

3 2 1

0.001

IC51

FI51

3 2 1

Q51

4.7 K

3 P

0.001

L925

Q53

UPC2748T

LFL30-13C1270B060

2SC5319

0.22 ∝H

R+3

L402

L401

1200

UN9115

18 nH

10 P

6 P

21 nH

23.2 nH

12 nH

C415

C411

R409

C63

R413

UT:0

C404

C65

0.001

150

UR:0.8

D904

0.001

R57

4.7 K

R401

0.001

FI401

R410

R403

C403

C402

C401

33 P

68 P

1SV271

C13

1 K

3.3 K

100

C410

3.3 K

3 P

10 P

8 P

0.5 P

D53

EFCH435MWNP1 C409

L404

C985

120 P

C62

1SV308

8 P

18 nH

R404

D403

D402

23 nH

19 nH

0.001

33 K

L403

C14

C12

C10

Q403

400MHz

MA2S077

D406

C412

15 nH

2 P

7 P

6 P

R+3

IC501

UT:0

L301

MA2S111

D405

0.001

8 7 6

5 4 3

Q401

C304

L302

C84

C23

C21

L12

L11

L10

UHF

UN9115

1SV308

UR:2.4

D407

C405

D404

0.001

56 nH

56 P

27P

47 P

54 nH 54 nH

44 nH

R510

UPC2748T C515

D503

C507 C506 C505

2SC5195

MA2S077

0.001

MA2S077

C416

C72

4.7 K

0.001

1SV308

2 P

1 P

2 P

Q501

L13

C19

C15

0.001

VCC

D501

0.22 ∝H

GND

2SC5195 1SV308

C303

C302

C301

3 P

C17

3 P

800

4 OUT

GND

L503

L502

R503

L501

18 P

33 P

22 P

C24

C22

5 P

R+3

C516

D505

R507

10 nH

330

33 nH

120 P

330 P

D507

R509

UT:0

C502

L15

L14

300

0.001

1SV308

D303

D302

1SV308

2.2 K

L505

L504

UR:2.3

0.001

107 nH

80 nH

R504

MA2S077

22 nH

C511

100

L102

L101

L18

L17

C20

C18

C16

15 P

22 P

18 P

R508

0.001

0.15 ∝

0.25-1.9-13TL

C509

R502

R501

D508

100 K

C510

C508

Q502

1.5P

68 K

3.3 K

C33

L16

5 P

8 P

C504

MA132WK

R505

C503

107 nH

XP1115

C512

0.001

C31

4.7 K

C103

C102

C101 R100

C522

5 PC521

0.001

C417

C519

C518

0.001

47 P

120 P

68 P 100 K

15 P

C29

0.001

24 P

0.001

C514

C27

D102

D10

R506

0.001

10 P

C517

C513

100 K

1SV308

MA2S111

0.001

C32

C30

C28

0.001

D12

MA132WK

47P

82 P

68 P

VT:0

AGC

D311

C323

C318

C315

VR:3.0

C310

R302

1SV308

0.001

2 P

0.3 P

0.001

1 K

D310

D309

Q301

VHF

+5V

3SK291

MA2SV05

R310

L306

MA2SV05

∝H

10 K

VT:0

0.12

C319

L305

VR:1.5

L304

C305

D304

8 P

0.12

∝h

82 nH

0.001

1SV308

C320

XP4601

C321

47P

C308

R316

R312

R311

C313

D306

Q202

47 P

100 K

0.001

MA2SV05

TUNE

4.7 K

R306

L303

R303 R301

C:12.8

C322

R309

2SB1132 R

UN9115 R+3

D510

100 K

R304

33 nH

4.7 K 4.7 K

CHGC

0.001

VT:0

100 K

C:13.5

MA6S121

VR:0.1

R307

R15

D10

C82

C213

120 K

C306

C307

22 K

MA2S111

0.001

C314

R308

C31

0.001

47 P

0.001

R16

C200

Q302

0.001

C78

50MHz

22 K

0.001

50T:0

SB07-03C

0.001

XP1115

R111

C116

50R:1.5

C70

R113

330

0.01

L108

C199

C198

C212

R210

R208

R204

C201

4.7 K

∝

0.001

UN9210

0.001

C209

R205

0.001

C123

C120

R106

4.7 K

100

22 K

0.01

C114

MA133

C324

0.001

C211

1 M

10 P

0.75 P

0.01

330

0.001

L206

R207

W:2.7

0.001

L201

WFM

R103

R10

D204

∝

10 K

R201

MA2S728

0.1 H

∝

D108

HAT1024R

C71

1SV308

Q201

82 K

0.1 H

C117

33 K

VCC

10 K

0.001

1SV308

3 P

C108

C107

3SK292

C205

C204

D201

C210

L205

Q101

0.001

C73

0.001

1SV308

C194

0.001

0.1 ∝H

C121

L61

0.001

W:0.6

C119

D106

C115

2SC5195

0.001

C207

C202

L202

0.001

HVU350

9 P

HF50ACC453215P-T

0.001

W:2.0

0.001

0.1

∝H

C197

C195

D103

C196

D202

R112

0.001

0.01

MP2

R209

MA2S077

100 K

0.001

C190

MA2S304

470 K

100 K

0.001

1903 CONTACT SPRING

C206

R206 R203

R202

C203

BDET

C208

D203

0.001

100 120 K

D107

CHG

0.001

MA2S304

100 K

0.001

HVU350

L110

L109

0.47 ∝H

R110

C:13.2

L62

470 K

C:13.5

3225 ∝H

C124

VHF

R+3

0.001

VCC

C193	+	C192	D1	C191	L63	J3
					3225 ∝H
10		0.001	RB060L-40	0.001		HEC2711-01-020

Motorola IC-T81A, IC-T81E service manual 1200MHz, 400MHz, 50MHz

Models: IC-T81E IC-T81A

50M

00M

1200M

Q904

UHF

UN9115

NJM3404AV

1200MHz

LFL30-13C1270B060

UN9115

400MHz

UHF

UN9115

2SC5195 1SV308

UR:2.3

XP1115

VHF

MA2SV05

MA2SV05

2SB1132 R

UN9115 R+3

50MHz

CHG

COMPLETE VIEW