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November 1999
Part No. 001-7780-500

8-4

IC1

FI7

HC6

C140

R77

D10

FI4

FI5

FI6

Q18

C104

IC3

HC15

X3

FI1

FI2

C49

R39

C50

C55

HC20

C122

C47

C40

Q6

R30

R29

R31

C42

R28

C41

R27

C54

C97

R75

R76

R74

R72

C96

R73

Q5

Q14

W1

L33

L26

L25

C52

HC12

C91

IC4

C95

C94

L30

C133

C134

C132

L28

C128

R87

C131

C130

R86

C129

L27

RF5V

RF5C

GND

VCC

VCOV

R41

R42

R43

C119

C60

C88

CPV

C53

R36

C48

R37

C137

J1

MIC

JACK

HC1

C103

C84

R66

C102

C101

C100

R68

R67

C83

C107

Q12

J1

FIN

GND

PLLSK

PLLSO

PLLST

LOCKUP

LD

LO

GND

RF5V

LV

GND

D9

C136

C98

L23

Q13

Q11

C93

R45

C65

R44

R46

D7

C75

Q10

C106

C105

R101

FI3

C126

R98

HC7

D13

R92

C29

R102

HC2

HC5

C27

R91

D15

R96

L13

L34

C35

C34

R21

C36

R22

R25

C38

C37

R23

C33

C1

C2

R83

C63

C58

R82

C62

L15

L24

Q8

Q16

Q9

R80

HC17

HC14

C43

R24

C44

R32

R33

Q7

C57

HC13

HW2

W3

R63

R64

C89

C85

D6

C64

L16

C90

R59

R58

R65

C81

L22

C82

R62

R61

HC10

PWR

TMUT

T5V

LTR

MOD

+5V

LOCKUP

ULOCK

GND

GND

BATT

BATT

BATT

BATT

BATT

R5V

DET

NOISE

RSSI

W/N

PLLST

PLLSO

PLLSK

RF5C

GND

VCC

VCC

GND

GND

GND

C108

C109

HC16

HC18

C139

C26

C76

R53

C78

C77

R54

L20

R56

R60

R57

C80

R55

R85

C127

C79

L19

R97

R51

C10

R69

C68

C67

C71

C70

R47

C69

R48

L29

R79

C22

C24

C74

C114

C73

R52

R50

C66

L17

C121

C120

R49

C124

Q17

C72

L12

C23

R12

HC8

C28

D14

R94

C135

R93

R103

L10

C15

C18

W4

R99

C19

R78

C117

C25

R5

R4

W5

R6

C20

C17

C16

L8

Q2

C12

W6

R11

R10

R9

L11

R7

C13

C14

L6

L7

C11

C125

C59

L9

C7

HR1

Q1

C5

L5

C9

R1

C8

C4

R3

R2

C138

L32

D16

R95

HC3

Q20

Q21

Q19

R104

L14

C31

R20

D4

D5

L1

D1

L2

D3

D2

IC2

R26

R35

C46

C111

C32

C45

R34

HC9

D11

C30

W/N

FIOUT

GND

IF5V

FIIN

R5V

GND

IFIN

R5V

GND

INFIN

GND

XTAL

RSSI

NOISE

DET

C112

TO PLL BOARD

T

O

 IF BO

ARD

T

O

 LOGIC BO

ARD

RF BOARD TOP VIEW

RF BOARD BOTTOM VIEW

Summary of Contents for 7780 Series

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Page 8: ...DQRWKHU LV QRW DYDLODEOH 7KH RSHU DWLQJ VRIWZDUH LV ODVK XSJUDGDEOH LI UHTXLUHG 1 2 7 TRANSCEIVER ALIGNMENT 7UDQVFHLYHU DOLJQPHQW LV SHUIRUPHG XVLQJ WKH VDPH FRPSXWHU DQG 53 XVHG WR SHUIRUP SURJUDP PLQJ VHH SUHFHGLQJ VHFWLRQ DQG VSHFLDO 3 7XQH VRIWZDUH 2QO WZR DGMXVWPHQWV DUH PDGH PDQXDOO DQG WKH UHVW DUH PDGH HOHFWURQLFDOO XVLQJ WKH 3 7XQH VRIWZDUH 7KH WUDQVFHLYHU FDQ XVXDOO EH WXQHG ZLWKRXW GLVD...

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Page 27: ...o sound Then press the PTT switch within 3 seconds and begin talking If the radio system cannot be accessed within 500 ms of pressing the PTT switch a continuous tone sounds until the system is accessed or the PTT switch is released If your unit ID is invalid the call is being made to an invalid group ID or group calls are not allowed INVALID ID is displayed and an alert tone sounds Receiving a St...

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Page 65: ... WKH PLFURSURFHVVRU 4 2 SYNTHESIZER DESCRIPTION 4 2 1 INTRODUCTION 7KH V QWKHVL HU RXWSXW VLJQDO LV SURGXFHG E D 9 2 9ROWDJH RQWUROOHG 2VFLOODWRU LQ WKH 5 XQLW 7KH 9 2 IUHTXHQF LV FRQWUROOHG E D YROWDJH SURGXFHG E WKH SKDVH GHWHFWRU LQ V QWKHVL HU FKLS 7KH SKDVH GHWHFWRU VHQVHV WKH SKDVH DQG IUHTXHQF RI WKH WZR LQSXW VLJQDOV 2QH VLJQDO LV WKH UHIHUHQFH IUHTXHQF IURP 7 2 DQG WKH RWKHU LV IURP WKH 9...

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Page 71: ...S HQDEOH VLJQDO 6 1 2XWSXW GULYHU FKLS HQDEOH VLJQDO 966 URXQG 966 URXQG 2 54 2XWSXW 3RZHU RII FRQWURO VLJQDO KROG SRZHU RQ RZ 6 2XWSXW H SDG PDWUL VFDQ 6 2XWSXW H SDG PDWUL VFDQ 6 2XWSXW H SDG PDWUL VFDQ 6 2XWSXW H SDG PDWUL VFDQ 5 2 2XWSXW 2SWLRQDO HQFU SWLRQ FRQWURO VLJQDO RZ 237 2XWSXW 2SWLRQ VLJQDO RZ 7 2XWSXW 7 FRQWURO VLJQDO RQ RZ 2XWSXW EDFNOLJKW FRQWURO VLJQDO EDFNOLJKW RQ RZ 70 07 2XWSXW...

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Page 78: ...MDFN RI WKH 53 VKRZQ EHORZ 6SHDNHU RDG 7KH VSHDNHU ORDG LV FRQQHFWHG WR WKH VPDOOHU PRQR SKRQH MDFN RI WKH 53 DV VKRZQ DERYH 7KLV LV D ORZ OHYHO DXGLR RXWSXW WKDW UHTXLUHV D ORDG RI DSSUR LPDWHO RKPV RPSXWHU DQG 53 7KH 53 LV FRQQHFWHG WR WKH FRPSXWHU DQG WUDQVFHLYHU DV GHVFULEHG LQ 6HFWLRQ 1RWH WKDW 53 3DUW 1R PXVW EH XVHG 2WKHU 53 V GR QRW KDYH WKH MDFNV UHTXLUHG WR LQMHFW PLF DXGLR DQG PRQLWRU V...

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Page 103: ...1 2 Bandpass Filter IC101 DC Restoration IC107 Data Low Pass Filter IC102 Q104 Data Mute Gate Q103 Bandwidth Control IC113A IC114 DC Restoration IC112 IC113B Data Low Pass Filter Q108 Data Mute Gate Q201 BWC Bandwidth Control IC206 A B Data LP Filter Test Switch IC203 IC210 Data Switch Low Pass Filter 3 kHz IC205 IC202B Limiter High Pass Filter 300 Hz IC202A FI1 Q1 Q18 X3 Multiplier X3 14 925 MHz ...

Page 104: ... HC14 C43 R24 C44 R32 R33 Q7 C57 HC13 HW2 W3 R63 R64 C89 C85 D6 C64 L16 C90 R59 R58 R65 C81 L22 C82 R62 R61 HC10 PWR TMUT T5V LTR MOD 5V LOCKUP ULOCK GND GND BATT BATT BATT BATT BATT R5V DET NOISE RSSI W N PLLST PLLSO PLLSK RF5C GND VCC VCC GND GND GND C108 C109 HC16 HC18 C139 C26 C76 R53 C78 C77 R54 L20 R56 R60 R57 C80 R55 R85 C127 C79 L19 R97 R51 C10 R69 C68 C67 C71 C70 R47 C69 R48 L29 R79 C22 C...

Page 105: ...MA2S077 D15 MA2S077 D16 MA2S077 D14 MA2S077 D13 CFUM450F FI5 4 3 2 1 10 R92 SFPC450E FI4 2 1 3 SFPC450G FI6 2 1 3 10K R94 15K R96 12n L20 0 01 C135 22K R95 0 1 C27 560 R54 12K R91 56 R85 2 2K R56 33P C127 33P C80 5P C78 2SC4228 Q11 15 R57 6 8K R102 7P C117 3 9n L29 2 2K R78 4 7K R51 1K R12 2SC3357 Q9 2P C75 1K R97 10n L12 12n L19 3 5P C23 0 1 C29 39K R53 3 5P C24 33P C22 2SC4228 Q10 MA78 D7 33P C7...

Page 106: ...134 C125 C126 R137 C128 R133 C14 C12 C10 J1 C409 C410 C411 C8 C13 R402 R401 C143 R146 C110 R124 C116 R147 C145 R149 R118 R119 R120 C115 IC114 IC113 R159 C155 R158 C156 R157 R156 C153 R154 R153 IC112 C152 R152 C151 R155 C154 C150 R150 R151 C227 C225 R101 R250 R104 IC110 R102 R103 R106 R165 R107 C20 C9 R228 C421 C412 C413 C415 C416 C48 C106 R108 C105 R109 C108 R142 C104 C101 C103 IC101 C102 C51 R105...

Page 107: ... VSS 70 VSS 69 PB4 D4 68 PB5 D5 67 P20 A8 66 P21 A9 65 P22 A10 64 P23 A11 63 P24 A12 62 P25 A13 61 P26 A14 60 P27 A15 59 VCC 58 PB6 D6 57 PB7 D7 56 P47 PWX1 55 P46 PWX0 54 P45 TMRI1 53 P44 TMO1 52 P43 TMCI1 51 P42 TMRIO SCK2 0 5 0 O M T 2 D X R D X R R I 9 4 I C M I 2 D X T D X T R I 8 4 6 1 A 8 N I C 8 N I K 7 4 7 1 A 9 N I C 9 N I K 6 4 S S V A 5 4 7 7 P 7 N A 1 A D 4 4 6 7 P 6 N A 0 A D 3 4 5 7...

Page 108: ...S0 KEYS1 KEYS2 KEYS3 KEYR0 KEYR1 KEYR2 KEYR3 TXLED BSYLED BATLED BKLED GND MICE MIC GND GND GND C1 R2 R13 R11 R14 R12 R16 R15 R1 C3 R17 DS3 DS4 DS5 DS1 DS2 J2 1 2 19 20 DS6 Tx LED Busy LED Batt LED GND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GND MIC MICE GND GND BKLED L5V GND GND SP SPE DS7 DS8 DISPLAY BOARD TOP VIEW DISPLAY BOARD BOTTOM VIEW 8 8 ...

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