President DWIGHT D NOWY Schematic

C1621nC162

TR21

TR21 2SK19

2SK19

R122

C160

10n

R120

6.8K

D D

C C

B B

A A

6.8K

VR301

RF GAIN

C171

10n

SO239

SO239 ANT

ANT

C4B

C4B 22pF

22pF

SWR CAL

C143

C143 10n

10n

NOTE COMPONENTS WITH (B) IN THE REF No ARE FITTED TO THE FOIL SIDE

R122

R121

100R

10K

C161

10n

MA150D1MA150

10uC110u

2K7R12K7

C2 10nC210n

TR1

2SC945

18KR218K

10KR310K

D29

1N60

R1B

R1B 27K

27K

C1A1pC1A

C2B

1N60D91N60

150K

R59

R59 330R

330R

C46

C46 40n

40n

VR307

HI/XTAL 15.810 MHz

C142

C141

10n

C1581nC158

L26

10u

D28

C163

1N60

22pF

D27 1N60D27 1N60

THIS CAPACITOR IS ON THE PCB FOIL SIDE C? 10n

MA150D2MA150

1.5pC41.5p

10nC710n

R113

R113 100K

100K

R421KR42

C140

C140 10n

10n

LA029L1LA029

10nC510n

MA150D3MA150

C999

C998

4u7

R118

R118 820R

820R

C1501uC150

C151

10n

R47

R47 680R

680R

C62

D10

2p2

1N60

R61

R61 1K5

1K5

C47

C47 40n

40n

L18

LA201

C83

C79

C79 100p

100p

L19

LA166

C146

C144

C147

10n

R131

R131 680R

680R

2SC1675

R1231MR123 1M

R125

TR22

R125

C165

TR24

100p

R126

10K

C166

10n

LA138L2LA138

56RR656R

C10

C10 10n

10n

TR27

2SA733

R119

10K

L11L11

C49

C49 56p

56p

C52

C52 220p

220p

C57

C57 2u2

2u2

R48

R48 33K

33K

C88

C88 1p5

1p5

R64

R64 1K2

1K2

C87

C87 150p

150p

R66

1K8

C86

C86 68p

68p

C85

C85 10n

10n

R67

R67 4K7

4K7

FIN

GND

IC4 UPD2816IC4 UPD2816

P11P22P33P44P55P66T7Q

CC1 10n

CHANNEL SWITCH

TR24 2SA733

2SA733

C168

10n

R127

C167

100R

680p

R128

47K

TR3

2SK19

C11

C11 10n

10n

C12

6K8R96K8

10n

100RR8100R

L12L12

L13L13

C53

C53 330p

330p

C591uC59

C58

C58 10n

10n

VR5

VR5 50K

50K

RF PRE-SET

C89

C89 10u

10u

C90

C90 22n

22n

C91

C91 2u2

2u2

C92

C92 2u2

2u2

R68

R68 2K2

2K2

C93

C93 1uF

1uF

T/R91/2R10VCC

D17

MA150

2M2

C1641nC164

R124

TR23

10K

2SC945

R130

R130 100K

100K

TR2

2SC1674

220pFC8220pF

560RR7560R

5K6R45K6

22KR522K

10nC910n

TR26

2SC945

R115

R117

1K2

8K2

L10L10

R441KR44

C50

C50 56p

56p

IC2

TA7310P

R63

R63 180R

180R

C84

C84 330p

330p

C81

C82

10n

C801nC80

C148

C148 10n

10n

TR25

2SC1675

R129

R129 100K

100K

C142pC14

LA277L3LA277

R10

R10 2K2

2K2

R11

C13

100R

10n

TR10

2SC2029

C54

L14L14

4n7

C55

C55 100p

100p

C60

C60 10n

10n

D12

1N60

C94

C94 47p

R59

R59 10R

10R

47p

D14

1S2339

22K22K

C95

R70

22n

10K

MYLAR

R69

R69 4K7

4K7

C104

10p

R75

R75 22K

22K

L21

LA217

R76

R76 10K

10K

10.240 MHzX110.240 MHz

L22

100uH

C1099pC109

D18

1S2339G

PIN No7

N.B

TR5

2SC2076

CFU455HT

TR12

C103

C103 10n

10n

TR5

2SC1675

XF2

R18

R18 2K2

2K2

R171KR17 1K

C18

C18 39n

39n

R55

R53

22R

2K2

C66

C66 10n

10n

C65

C65 10n

10n

R54

R54 6K8

6K8

R72

220R

TR4

2SK104

R15

R15 4K7

4K7

R14

R14 2K2

2K2

R13

C17

10K

40n

L17

LA208

C64

C64 10n

10n

C97

C97 10n

10n

MOD INPUT FROM (ERC) F.M 455 MODEM

C101

L24

10n

LA198

C102

10n

D20

MA150

LA205L6LA205

R16

R16 100R

100R

R51

100R

R52

R52 47R

47R

L25

LA088

R73

R73 33R

33R

R74

R74 68R

68R

C35

C36

40n

22u

LA180L4LA180

R471RR47

FB1FB1

R48

R48 22R

22R

L20

LA275

VCO

R77

R77 22K

22K

C107

C107 220p

220p

R78

R78 82K

82K

R80

R80 12K

12K

LA274L5LA274

XF1

10.7 MHz

C16

C16 40n

40n

C61

C61 220p

220p

R49

R49 4R7

4R7

R79

R79 1K8

1K8

C110

10n

R81

R81 6K8

6K8

TR14

2SC1675

C105

L16L16

C63

C63 10n

10n

PARTS TO BE ADDED

PARTS IN (ERC)

C96

C96 10n

10n

D19

MA150

C1A / FM455

FM455 KIT

10n

R1A / FM455

100K

C98

C98 27p

27p

C108

C108 100p

100p

VR301

20K

TR11

2SC2028

R50

R50 3R9

3R9

IC3

TA7310P

D15

C99

MA150

100p

C100

39p

L23

LA182

C106

10p

R84

R84 12K

12K

TR6

2SC1675

R191KR19

VR1

470R

R20

C19

680R

39n

R56

R56 10K

10K

C67

C67 10u

10u

LA204L7LA204

C221nC22

R22

R22 100R

100R

R57

100K

C42

C42 10n

10n

R102

47K

C122

22n

MYLAR

R104

4K7

C125

10n

8 9 7

C72

C72 4u7

4u7

C172

2n2

R99

R99 10R

10R

R1001KR100

R21

R21 22K

22K

C201pC20

C21

C21 40n

40n

C38

C38 3n3

3n3

TR13

2SC945

C45

1000u

R91

R91 4K7

4K7

IC1

R97

R97 3K3

3K3

2SC458

MIC PRE-AMP

TA7222AP

2 345

TR15

C124

10n

MYLAR

R25

R25 3K3

3K3

R23

R23 5K6

5K6

R24

470R

C751nC75

C76

22u

R98

R98 22K

22K

C129

R101

5K6

C130

C126

10n

47u

I.F OUTPUT

To (ERC) F.M 455 MODEM

TR7

2SC1675

C24

40n

R26

R26 220R

220R

C73

47u

C76

R62

2n2

6K8

C77

C77 100n

100n

MIC PRE-AMP

.1u

TR16

2SA733

AMC

1S34D41S34

LA207L8LA207

C25

C25 10u

10u

TANT

1N60D71N60

C26

C26 40n

40n

R27

100R

VR2

VR2 4K7

4K7

S-METER PRE-SET

C74

AUDIO TRANT1AUDIO TRAN

470uF

C68

C68 40n

40n

D13

C78

1N4002

10n

R1321KR132

R106

R106 10K

10K

C134

C133

10u

10n

TO N.B SWITCH

R411MR41

R30

R30 56K

56K

R28

R28 56K

56K

C27

C27 2n2

2n2

MYLAR

R29

R29 82K

82K

1N60D61N60

R33

C33

22K

10n

C44

10n

C128

C128 .47u

.47u

R107

R107 470R

470R

C135

10u

PIN No9

N.B SWITCH

R31

R31 56K

56K

C291uC29

MA150D5MA150

R36

R36 39K

39K

R35

R35 3K9

3K9

C37

C37 10u

10u

R39

R39 10K

10K

R38

R38 47K

47K

R108

5K6

VR6

AMC

D16

D16 1N60

1N60

R1051KR105

PIN No8

TO N.B SWITCH

2SC945

C31

C31 4n7

4n7

MYLAR

R34

R34 10K

10K

TR8

VR3

VR3 100K

100K

SQUELCH PRE-SET

TO PSU 13.8 VDC

VR302

50K

TONE

C32

C32 10n

10n

MYLAR

R32

R32 22K

22K

TR9

R37

2SC945

10K

C45

R40

2u2

39K

VR305

MIC GAIN

PL1

MIC-PLUG

Drawn by: Rick Jackson Euro Radio Co

Title

UNIDEN DWIGHT D NEW TYPE

Size Document Number Rev

DWIGHT.SCH A

Date: Sheet

A.M/F.M

SWITCH SPDT

VR303

50K

VOLUME

VR304

50K

SQUELCH

F.M AUDIO IN

FROM (ERC) FM455 MODEM

11Tuesday, November 13, 2007

President DWIGHT D NOWY Schematic

Specifications and Main Features

Frequently Asked Questions

User Manual