EFJohnson 7780 service manual TDA7233D IC

EFJohnson 7780 service manual Receiver Performance Tests EFJohnson 7780 service manual Transmitter Performance Tests, Power Output, Transmit Frequency, Transmit Modulation EFJohnson 7780 service manual This page intentionally left blank EFJohnson 7780 service manual Parts List, Chassis Parts, Display Assembly, Ref No Description EFJohnson 7780 service manual KEY Assembly, Display Assembly EFJohnson 7780 service manual If Assembly, KEY Assembly EFJohnson 7780 service manual PLL Assembly, RF Unit EFJohnson 7780 service manual RF Unit EFJohnson 7780 service manual NJM2904V-TE1 IC EFJohnson 7780 service manual RF Unit EFJohnson 7780 service manual Logic Unit EFJohnson 7780 service manual Logic Unit EFJohnson 7780 service manual TDA7233D IC EFJohnson 7780 service manual Logic Unit EFJohnson 7780 service manual 200K ERJ3GE EFJohnson 7780 service manual MP35 MP18 MP25 EFJohnson 7780 service manual KEY Front Panel, EP2 EFJohnson 7780 service manual EP1 EFJohnson 7780 service manual MP32 MP33 MP27 MP34 MP28 MP29 MP23 MP22 MP30 MP24 MP26 MP18 EFJohnson 7780 service manual Schematic Diagrams and Component Layouts, PLL Board TOP View, PLL Board Bottom View EFJohnson 7780 service manual If Board TOP View, If Board Bottom View EFJohnson 7780 service manual RF Unit, Transceiver Block Diagram EFJohnson 7780 service manual RF Board TOP View, Mic EFJohnson 7780 service manual RF Board Schematic, If AMP EFJohnson 7780 service manual Logic Board TOP View, HD1 EFJohnson 7780 service manual Logic Board Schematic, Receive Audio Processing EFJohnson 7780 service manual Display Board Bottom View, GND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GND EFJohnson 7780 service manual Display Board Schematic, DS3 DS4 DS5 EFJohnson 7780 service manual KEY Board Front View, KEY Board Back View EFJohnson 7780 service manual KEY Board Schematic, S S R R R R EFJohnson 7780 service manual Scan EFJohnson 7780 service manual HC2 HC7 HC8 HC3 EFJohnson 7780 service manual Schematic Diagrams and Component Layouts EFJohnson 7780 service manual EFJohnson 7780 service manual
Page 94

PARTS LIST

LOGIC UNIT

Ref No.

Description

Part No.

 

 

 

C 449

C1608 CH 1H 330J-T-A

022-3906-070

C 450

C1608 CH 1H 330J-T-A

022-3906-070

C 451

C1608 CH 1H 330J-T-A

022-3906-070

C 454

C1608 CH 1H 330J-T-A

022-3906-070

C 456

1 C2012 10V B

022-3907-034

D 101

MA2S111-(TX) diode

022-3906-050

D 102

MA2S111-(TX) diode

022-3906-050

D 103

MA2S111-(TX) diode

022-3906-050

D 104

MA2S111-(TX) diode

022-3906-050

D 105

MA2S111-(TX) diode

022-3906-050

D 301

MA2S077-(TX) diode

022-3907-027

D 302

MA2S111-(TX) diode

022-3906-050

D 305

MA8056 M diode

022-3906-049

D 306

MA8056 M diode

022-3906-049

D 307

MA8056 M diode

022-3906-049

D 308

MA8056 M diode

022-3906-049

D 309

MA2S111-(TX) diode

022-3906-050

D 310

MA2S111-(TX) diode

022-3906-050

D 311

MA8056 M diode

022-3906-049

D 312

MA8160 (TX) diode

022-3907-025

D 313

MA8056 M diode

022-3906-049

D 401

MA2S111-(TX) diode

022-3906-050

D 402

MA2S111-(TX) diode

022-3906-050

D 403

MA8039-L diode

022-3906-251

EP 1

B-5185D #2176-2D logic PC bd

022-3907-005

 

(10-key)

 

 

B-5185D #2176-3D logic PC bd

022-3907-085

 

(3-key)

 

EP 2

B-3828B (#1125-3A) flex circuit

022-3906-002

IC 101

MC33172D IC

022-3906-018

IC 102

MC33172D IC

022-3906-018

IC 103

TC7S66FU IC

022-3906-020

IC 104

TDA7233D IC

022-3906-530

IC 105

TDA7233D IC

022-3906-530

IC 106

TDA7233D IC

022-3906-530

IC 107

MC33172D IC

022-3906-018

IC 110

TC4W53FU (TE12L) IC

022-3907-010

IC 112

MC33172D IC

022-3906-018

IC 113

MC33172D IC

022-3906-018

IC 114

MC33172D IC

022-3906-018

IC 115

TC7S04FU IC

022-3907-011

IC 201

TC75S54F

022-3907-013

 

 

 

November 1999

Part No. 001-7780-500

Ref No.

Description

Part No.

 

 

 

IC 202

NJM2904V-TE1 IC

022-3906-016

IC 203

TC4W53FU (TE12L) IC

022-3907-010

IC 204

TC4W66FU(TE12L) IC

022-3906-022

IC 205

NJM2904V-TE1 IC

022-3906-016

IC 206

MC33172D IC

022-3906-018

IC 208

MC33111D

022-3906-311

IC 209

AD8403ARU50

022-3907-014

IC 210

TC4W53FU (TE12L) IC

022-3907-010

IC 303

PCD3312CT IC

022-3906-024

IC 304

X25128SI-2.7T6 IC

022-3907-012

IC 305

S-80842ALNP-EA6

022-3907-009

IC 306

HD64F2144FA20 (FX-2176)

022-3907-017

IC 309

TC7W32FU (TE12L) IC

022-3906-531

IC 401

TK11250BM

022-3907-018

IC 402

TK11250BM

022-3907-018

IC 403

S-81230SG-QB-T1 IC

022-3906-532

J 1

AXK5S30245P

022-3907-047

J 2

52396-0990

022-3906-130

J 3

52207-0590

022-3906-129

J 4

AXK520145P

022-3907-045

MP 1

Ferrite sheet (C) next to IC306

022-3906-244

MP 3

2176 CPU shield

022-3907-064

Q 101

DTC144EE TL transistor

022-3906-329

Q 102

2SA1576 S transistor

022-3906-029

Q 103

DTC144EE TL transistor

022-3906-329

Q 104

DTC144EE TL transistor

022-3906-329

Q 105

DTC144EE TL transistor

022-3906-329

Q 106

2SB798-T2 DK transistor

022-3907-021

Q 107

2SC4081 T107 S transistor

022-3906-031

Q 108

DTC144EE TL transistor

022-3906-329

Q 109

DTC144EE TL transistor

022-3906-329

Q 110

UMG2N TL diode

022-3906-250

Q 111

DTC144EE TL transistor

022-3906-329

Q 112

UMG2N TL diode

022-3906-250

Q 201

DTC144EE TL transistor

022-3906-329

Q 301

2SC4081 T107 S transistor

022-3906-031

Q 302

DTC144EE TL transistor

022-3906-329

Q 401

2SC4081 T107 S transistor

022-3906-031

Q 402

2SJ316-TD diode

022-3906-041

Q 403

2SJ316-TD diode

022-3906-041

Q 404

UMD6 TL diode

022-3907-023

Q 405

UMD6 TL diode

022-3907-023

 

 

 

7-10

Page 93 Page 95
Image 94
Page 93 Page 95
Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Tables List of FiguresGeneral Information Scope of Manual Equipment DescriptionPart Number Breakdown AccessoriesFactory Customer Service Transceiver IdentificationToll-Free 800 AccessoriesAccessory Factory ReturnsInternet Home Intrinsically Safe Information Replacement PartsDefinitions Intrinsically Safe and Nonincendive Ratings Temperature Code T3CPossible Ignition Sources Classification of Hazardous Areas and AtmospheresTypical Hazard Group Class Accessing PC BoardsMaterial Classification Area ClassificationRemoving RF Unit Removing Logic UnitSpecifications GeneralTransceiver Operation FeaturesControls and Display TX Indicator Red Indicates when the transmitter is keyed Low-Battery Indicator AmberFront Panel Keys Full Keypad Model DisplayDisplay General Operation Turning Power on and Setting VolumeOption Switches BacklightFunction Conv Option Switch FunctionsSee Tone ENABLE/DISABLE ScanningConventional and SMARTNET/ Smartzone Operation Display Mode Selection Conventional FeaturesMonitoring Before Transmitting Busy Channel Lockout Monitor ModeCall Guard Squelch Power Output Select Penalty TimerConversation Timer Conventional Mode ScanningPriority Channel Sampling DTMF/ANI Signaling Standard Conventional CallsStandard Group Calls SMARTNET/SMARTZONE FeaturesViewing Unit ID Enhanced Private Conversation CallsTransceiver Operation Private Conversation II Calls Telephone Calls Call Alert Messaging Emergency Alarm and CallSending Status Conditions SMARTNET/SMARTZONE Scanning Failsoft OperationDynamic Regrouping Supervisory Tones Menu Description Keypad ProgrammingZone Change Parameter System Parameters Channel Change ParameterChannel Parameters Transceiver Programming Programming SetupPctrunk Software Installation Computer DescriptionProgramming File Types Connecting RPI to Computer and TransceiverStarting and Exiting Help FilesFile Size Indication Screen Pop-Up Buttons and File Size IndicatorProgramming Procedure Creating and Displaying SystemsMenu Commands Menu BarSystems Menu Radio Type MenuDownload Menu Upload Menu Window MenuBand DefaultsRADIO-WIDE Parameter Screens ZonesModify List Screen Radio Wide Scan ListRadio-Wide Scan List Screen Assign Function ButtonsFull Spectrum CC Scan RADIO-WIDE Conventional ScreenRADIO-WIDE SMARTNET/SMARTZONE Screen Hot DtmfProgramming Conventional Systems and Channels Adjustable ParametersRADIO-WIDE Portable Options Screen Conventional System General ScreenKeypad Editing TimersConventional System Modify Scan List Screen Scan List ButtonSetting UP Conventional Channels Scan TimersPriority Channel Selection Conventional Channel Screen Parameters Selected ChannelChannel Type Transmit PowerSignaling Tx Time-OutISW Delay Time Restricted AccessTime-Out Timer Splinter ChannelsPhone Interconnect SMARTNET/SMARTZONE System Other ID’S ScreenSMARTNET/SMARTZONE System Phone Interconnect Screen Private CallSMARTNET/SMARTZONE System Talk Groups Screen SMARTNET/SMARTZONE System Emergency Settings ScreenEmergency Alarm Failsoft ChannelTrunking Phone List Screen SMARTNET/SMARTZONE System Lists ScreensMessage Aliasing Screen Announcement Groups Screen Control Channels ScreenTrunking Call List Screen Status Aliasing Screen Setting UP SMARTNET/SMART- Zone ChannelsSMARTNET/SMARTZONE Channel Screen Parameters SMARTNET/SmartZone Channel Screen Other Screen ParametersCall Guard CTCSS/DCS Codes and Tones Recommended Tone Call Guard Codes FreqMHz Channels MHz Channels MHz Channels MHz Channels MHz Channels MHz Channels Circuit Description Power Switching and RegulationPower Switching Synthesizer DescriptionSynthesizer Chip IC1 VCO and Tcxo ModulationCharge Pump Q1, Q2, Loop Filter RF Amplifier Q1, First Mixer Q2 Receiver Circuit DescriptionIf Amplifier Q2, LIMITER/DETECTOR IC3 Transmitter Description Antenna Switch and LOW-PASS FilterSquelch Circuit IC4A/B, IC5A Amplifier Q9, Driver Q8Control Logic and Display Receive Audio ProcessingMicroprocessor IC306 Pin Descriptions Pin Port Name Input or Description Active High OutputHvfulswlrq Receive and Transmit Data Processing Audio Amplifier IC104-IC106Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Transmit Data Filter IC206B/ IC206A Transmit Audio ProcessingLOW-PASS Filter IC205A/B Smartnet Data ProcessingPower Setting Operating Time Battery Pack and Charger InformationBattery Pack Function Fahrenheit CelsiusBattery Pack and Charger Information Alignment Procedure and Performance Tests Test SetupTune Software Hqhudo Mm/3/32 Mm/1/8 Phone JackPreliminary Setup Main Pctune ScreenHigh Power Level = 3.0 watts Low Power Level = 1.0 watt Transmit Frequency and PowerTransmit Power Adjustment Screen Modulation BalanceAudio Deviation Squelch AdjustRssi Adjust Data DeviationPerformance Tests Receiver Performance TestsTransmit Frequency Power OutputTransmitter Performance Tests Transmit ModulationThis page intentionally left blank Chassis Parts Parts ListDisplay Assembly Ref No DescriptionKEY Assembly Display AssemblyKEY Assembly If AssemblyIf Assembly PLL Assembly RF UnitRF Unit NJM2904V-TE1 IC RF Unit Logic Unit Logic Unit TDA7233D IC Logic Unit 200K ERJ3GE MP35 MP18 MP25 KEY Front Panel EP2EP1 MP32 MP33 MP27 MP34 MP28 MP29 MP23 MP22 MP30 MP24 MP26 MP18 PLL Board TOP View Schematic Diagrams and Component LayoutsPLL Board Bottom View If Board TOP View If Board Bottom ViewTransceiver Block Diagram RF UnitRF Board TOP View MICRF Board Schematic If AMPLogic Board TOP View HD1Logic Board Schematic Receive Audio ProcessingDisplay Board Bottom View GND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GNDDisplay Board Schematic DS3 DS4 DS5KEY Board Front View KEY Board Back ViewKEY Board Schematic S S R R R RScan HC2 HC7 HC8 HC3 Schematic Diagrams and Component Layouts
Top Page Image Contents