EFJohnson 7780 service manual If Assembly, KEY Assembly

EFJohnson 7780 Battery Pack and Charger Information, Power Setting Operating Time, Function Fahrenheit Celsius EFJohnson 7780 service manual Battery Pack and Charger Information EFJohnson 7780 service manual Alignment Procedure and Performance Tests, Test Setup EFJohnson 7780 service manual Tune Software Hqhudo, Mm/3/32 Mm/1/8 Phone Jack EFJohnson 7780 service manual Preliminary Setup, Main Pctune Screen EFJohnson 7780 service manual Transmit Frequency and Power, Transmit Power Adjustment Screen, Modulation Balance EFJohnson 7780 service manual Audio Deviation, Data Deviation, Squelch Adjust, Rssi Adjust 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
Page 87

PARTS LIST

10-KEY ASSEMBLY

Ref No.

Description

Part No.

 

 

 

C 5

C1608 CH 1H 330J-T-A

022-3906-070

DS 1

LN1371G-(TR) display/LED

022-3906-098

DS 2

LN1371G-(TR) display/LED

022-3906-098

DS 3

LN1371G-(TR) display/LED

022-3906-098

DS 4

LN1371G-(TR) display/LED

022-3906-098

J 1

AXN720535

022-3906-131

MC 1

EM-123H microphone

022-3906-195

Q 1

2SA1576 S transistor

022-3906-029

R 1

ERJ3GEYJ 333 V resistor

022-3906-169

R 2

ERJ3GEYJ 104 V resistor

022-3906-175

R 3

ERJ3GEYJ 104 V resistor

022-3906-175

R 4

ERJ3GEYJ 104 V resistor

022-3906-175

R 5

ERJ3GEYJ 104 V resistor

022-3906-175

R 10

ERJ3GEYJ 121V resistor

022-3906-144

R 11

ERJ3GEYJ 121V resistor

022-3906-144

R 12

ERJ3GEYJ 103V resistor

022-3906-163

SP 1

EAS3P127J speaker

022-3906-058

W 1

ERDS2T0 resistor to spkr

022-3906-877

W 2

ERDS2T0 resistor to spkr

022-3906-877

W 3

OPC-677

022-3907-069

W 4

OPC-677

022-3907-069

 

 

 

 

IF ASSEMBLY

 

 

 

 

C 01

4.7 16V MSVA

022-3906-097

C 02

C1068 JB 1H 102K-T-A

022-3906-060

C 03

C1608 JB 1C 473K-T-A

022-3906-080

C 04

TEMSVA 1A 106M-8L

022-3906-096

C 05

C1068 JB 1H 102K-T-A

022-3906-060

C 06

TEMSVA 1A 106M-8L

022-3906-096

C 07

TEMSVA 1A 106M-8L

022-3906-096

C 08

C1608 JB 1C 104KT-N

022-3906-614

C 09

C1608 JB 1E 103KTA

022-3906-063

C 10

C1608 CH 1H 180J-T-A

022-3906-068

C 11

C1608 JB 1E 103KTA

022-3906-063

C 12

C1608 JB 1E 103KTA

022-3906-063

C 13

C1608 JB 1E 103KTA

022-3906-063

C 14

C1608 JB 1E 103KTA

022-3906-063

C 15

4.7 16V MSVA

022-3906-097

C 16

C1068 JB 1H 102K-T-A

022-3906-060

 

 

 

IF ASSEMBLY

Ref No.

Description

Part No.

 

 

 

C 17

C1608 CH 1H 680J-T-A diode

022-3906-798

C 18

C1608 JB 1C 104KT-N

022-3906-614

C 19

C1068 JB 1H 102K-T-A

022-3906-060

C 20

C1608 CH 1H 221J-T-A

022-3906-603

C 21

C1608 CH 1H 221J-T-A

022-3906-603

C 23

C1068 JB 1H 102K-T-A

022-3906-060

C 24

C1068 JB 1H 102K-T-A

022-3906-060

C 25

C1068 JB 1H 102K-T-A

022-3906-060

C 26

C1608 CH 1H 330J-T-A

022-3906-070

C 29

C1608 JB 1C 104KT-N

022-3906-614

C 30

C1608 JB 1E 103KTA

022-3906-063

C 31

C1608 JB 1C 104KT-N

022-3906-614

C 32

820P C1608 B

022-3906-083

C 33

C1608 JB 1C 473K-T-A

022-3906-080

C 34

C1068 JB 1H 102K-T-A

022-3906-060

C 35

C1608 CH 1H 330J-T-A

022-3906-070

D 2

MA8056 M diode

022-3906-049

D 3

MA2S728-(TX) diode

022-3907-026

EP 1

B-5183C (#2176-1C)

022-3907-003

IC 1

TK11350BM

022-3907-020

IC 2

TK11360BM

022-3907-019

IC 3

TA31136FN8(EL) IC

022-3907-008

L 2

ELJNC R56J 0.56U

022-3906-122

Q 1

2SC4081 T107 S transistor

022-3906-031

Q 2

2SK882 GR (TE85L) transistor

022-3906-515

Q 3

DTC144EE TL transistor

022-3906-329

Q 4

UMG2N TL diode

022-3906-250

R 02

ERJ3GEYJ 472 V resistor

022-3906-160

R 04

ERJ3GEUJ 560V resistor

022-3906-142

R 05

ERJ3GEYJ 181 V resistor

022-3906-146

R 07

ERJ3GEYJ 222 V resistor

022-3906-157

R 08

ERJ3GEYJ 272 V resistor

022-3906-158

R 09

ERJ3GEYJ 331 V resistor

022-3906-389

R 12

ERJ3GEYJ 682 V resistor

022-3906-162

R 13

RV-222 (RH03AVAS4J 47K)

022-3906-516

R 14

NTCCM16084LH 104KC

022-3907-052

R 15

ERJ3GEYJ 473 V resistor

022-3906-171

R 16

ERJ3GEYJ 101 V resistor

022-3906-143

R 17

330K ERJ3GE resistor

022-3906-180

R 18

ERJ3GEYJ 102 V resistor

022-3906-154

R 19

ERJ3GEYJ 474 V resistor

022-3906-181

R 20

ERJ3GEYJ 103V resistor

022-3906-163

 

 

 

 

November 1999

7-3

Part No. 001-7780-500

Page 86 Page 88
Image 87
Page 86 Page 88
Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Figures List of TablesScope of Manual Equipment Description General InformationTransceiver Identification AccessoriesFactory Customer Service Part Number BreakdownFactory Returns AccessoriesAccessory Toll-Free 800Replacement Parts Internet Home Intrinsically Safe InformationDefinitions Classification of Hazardous Areas and Atmospheres Temperature Code T3CPossible Ignition Sources Intrinsically Safe and Nonincendive RatingsArea Classification Accessing PC BoardsMaterial Classification Typical Hazard Group ClassRemoving Logic Unit Removing RF UnitGeneral SpecificationsFeatures Transceiver OperationControls and Display Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedDisplay Front Panel Keys Full Keypad ModelDisplay Backlight Turning Power on and Setting VolumeOption Switches General OperationOption Switch Functions Function ConvSee Scanning Tone ENABLE/DISABLEConventional and SMARTNET/ Smartzone Operation Conventional Features Display Mode SelectionMonitoring Before Transmitting Monitor Mode Busy Channel LockoutCall Guard Squelch Conventional Mode Scanning Penalty TimerConversation Timer Power Output SelectPriority Channel Sampling Standard Conventional Calls DTMF/ANI SignalingEnhanced Private Conversation Calls SMARTNET/SMARTZONE FeaturesViewing Unit ID Standard Group CallsTransceiver Operation Private Conversation II Calls Telephone Calls Call Alert Emergency Alarm and Call MessagingSending Status Conditions Failsoft Operation SMARTNET/SMARTZONE ScanningDynamic Regrouping Supervisory Tones Keypad Programming Menu DescriptionZone Change Parameter Channel Change Parameter System ParametersChannel Parameters Computer Description Programming SetupPctrunk Software Installation Transceiver ProgrammingHelp Files Connecting RPI to Computer and TransceiverStarting and Exiting Programming File TypesCreating and Displaying Systems Screen Pop-Up Buttons and File Size IndicatorProgramming Procedure File Size IndicationMenu Bar Menu CommandsWindow Menu Radio Type MenuDownload Menu Upload Menu Systems MenuZones DefaultsRADIO-WIDE Parameter Screens BandAssign Function Buttons Radio Wide Scan ListRadio-Wide Scan List Screen Modify List ScreenHot Dtmf RADIO-WIDE Conventional ScreenRADIO-WIDE SMARTNET/SMARTZONE Screen Full Spectrum CC ScanConventional System General Screen Adjustable ParametersRADIO-WIDE Portable Options Screen Programming Conventional Systems and ChannelsScan List Button TimersConventional System Modify Scan List Screen Keypad EditingScan Timers Setting UP Conventional ChannelsPriority Channel Selection Selected Channel Conventional Channel Screen ParametersTx Time-Out Transmit PowerSignaling Channel TypeSplinter Channels Restricted AccessTime-Out Timer ISW Delay TimePrivate Call SMARTNET/SMARTZONE System Other ID’S ScreenSMARTNET/SMARTZONE System Phone Interconnect Screen Phone InterconnectFailsoft Channel SMARTNET/SMARTZONE System Emergency Settings ScreenEmergency Alarm SMARTNET/SMARTZONE System Talk Groups ScreenSMARTNET/SMARTZONE System Lists Screens Trunking Phone List ScreenMessage Aliasing Screen Control Channels Screen Announcement Groups ScreenTrunking Call List Screen Setting UP SMARTNET/SMART- Zone Channels Status Aliasing ScreenSMARTNET/SMARTZONE Channel Screen Parameters Other Screen Parameters SMARTNET/SmartZone Channel ScreenRecommended Tone Call Guard Codes Freq Call Guard CTCSS/DCS Codes and TonesMHz Channels MHz Channels MHz Channels MHz Channels MHz Channels MHz Channels Synthesizer Description Power Switching and RegulationPower Switching Circuit DescriptionVCO and Tcxo Modulation Synthesizer Chip IC1Charge Pump Q1, Q2, Loop Filter Receiver Circuit Description RF Amplifier Q1, First Mixer Q2If Amplifier Q2, LIMITER/DETECTOR IC3 Amplifier Q9, Driver Q8 Antenna Switch and LOW-PASS FilterSquelch Circuit IC4A/B, IC5A Transmitter DescriptionReceive Audio Processing Control Logic and DisplayPin Port Name Input or Description Active High Output Microprocessor IC306 Pin DescriptionsHvfulswlrq Audio Amplifier IC104-IC106 Receive and Transmit Data ProcessingReceive Data FILTER/DETECTOR IC102A/B, IC107A/B Transmit Audio Processing Transmit Data Filter IC206B/ IC206ASmartnet Data Processing LOW-PASS Filter IC205A/BFunction Fahrenheit Celsius Battery Pack and Charger InformationBattery Pack Power Setting Operating TimeBattery Pack and Charger Information Test Setup Alignment Procedure and Performance TestsMm/3/32 Mm/1/8 Phone Jack Tune Software HqhudoMain Pctune Screen Preliminary SetupModulation Balance Transmit Frequency and PowerTransmit Power Adjustment Screen High Power Level = 3.0 watts Low Power Level = 1.0 wattData Deviation Squelch AdjustRssi Adjust Audio DeviationReceiver Performance Tests Performance TestsTransmit Modulation Power OutputTransmitter Performance Tests Transmit FrequencyThis page intentionally left blank Ref No Description Parts ListDisplay Assembly Chassis PartsDisplay Assembly KEY AssemblyIf Assembly KEY AssemblyIf Assembly RF Unit PLL AssemblyRF Unit NJM2904V-TE1 IC RF Unit Logic Unit Logic Unit TDA7233D IC Logic Unit 200K ERJ3GE MP35 MP18 MP25 EP2 KEY Front PanelEP1 MP32 MP33 MP27 MP34 MP28 MP29 MP23 MP22 MP30 MP24 MP26 MP18 Schematic Diagrams and Component Layouts PLL Board TOP ViewPLL Board Bottom View If Board Bottom View If Board TOP ViewRF Unit Transceiver Block DiagramMIC RF Board TOP ViewIf AMP RF Board SchematicHD1 Logic Board TOP ViewReceive Audio Processing Logic Board SchematicGND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GND Display Board Bottom ViewDS3 DS4 DS5 Display Board SchematicKEY Board Back View KEY Board Front ViewS S R R R R KEY Board SchematicScan HC2 HC7 HC8 HC3 Schematic Diagrams and Component Layouts
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