EFJohnson 7780 service manual NJM2904V-TE1 IC

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 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
Page 90

PARTS LIST

RF UNIT

Ref No.

Description

Part No.

 

 

 

C 139

C1608 JB 1C 104KT-N

022-3906-614

C 140

0.5P C1608 CH 0.1P

022-3906-084

D 01

MA77 (TW) diode

022-3906-047

D 02

MA77 (TW) diode

022-3906-047

D 03

UM9401F diode

022-3906-937

D 04

HSM88AS-TR diode

022-3906-046

D 05

HSM88AS-TR diode

022-3906-046

D 06

MA2S111-(TX) diode

022-3906-050

D 07

MA78

022-3906-044

D 09

MA2S111-(TX) diode

022-3906-050

D 10

MA2S111-(TX) diode

022-3906-050

D 11

UM9401F diode

022-3906-937

D 13

MA2S077-(TX) diode

022-3907-027

D 14

MA2S077-(TX) diode

022-3907-027

D 15

MA2S077-(TX) diode

022-3907-027

D 16

MA2S077-(TX) diode

022-3907-027

EP 1

B-5182C (#2176-1C)

022-3907-002

FI 1

EZF-U860 AM81T filter

022-3906-055

FI 2

EZF-U860 BM81T filter

022-3906-056

FI 3

FL-295

022-3907-028

FI 4

SFPC450E-TC01 filter

022-3907-030

FI 5

CFUM450F

022-3907-031

FI 6

SFPC450G-TC01 ceramic

022-3907-029

FI 7

GLP802-2 filter

022-3906-505

IC 1

M67706/SC1140 IC

022-3901-337

IC 1

M67706/SC1140 IC

022-3901-337

IC 2

NJM2904V-TE1 IC

022-3906-016

IC 3

NVCO-SM-838 S.IC

022-3906-135

IC 4

TC75S54F

022-3907-013

J 1

AXK6S30645P

022-3907-046

L 02

LQN1A 8N8J04 8.8N coil

022-3906-109

L 05

ELJRE 10NJ 10N coil

022-3906-493

L 06

ELJRE 18NJ 18N coil

022-3906-959

L 06

ELJRE 18NJ 18N coil

022-3906-959

L 07

ELJRE 68NG-F coil

022-3906-671

L 08

ELJRE 39NJ 39N coil

022-3906-953

L 09

ELJNC R47K 0.47U coil

022-3907-041

L 1

LQN1A 8N8J04 8.8N coil

022-3906-109

L 10

ELJNC R18K 0.18U coil

022-3906-956

 

 

 

Ref No.

Description

Part No.

 

 

 

L 11

ELJRE 33NJ 33N coil

022-3907-043

L 12

ELJRE 10NJ 10N coil

022-3906-493

L 13

DCS3220-09 coil

022-3906-121

L 14

ELJRE 39NJ 39N coil

022-3906-953

L 15

ELJRE 8N2J 8.2N coil

022-3906-491

L 16

MLF1608A 1R0M-T coil

022-3906-110

L 17

ELJRE 6N8J 6.8N coil

022-3906-496

L 19

ELJRE 12NJ 12N coil

022-3906-497

L 20

ELJRE 12NJ 12N coil

022-3906-497

L 22

ELJRE 15NJ 15N coil

022-3906-668

L 23

MLF1608A 1R0M-T coil

022-3906-110

L 24

BLM21P300S

022-3907-044

L 25

BLM21P300S

022-3907-044

L 26

BLM21P300S

022-3907-044

L 27

MLF1608D R33K 0.33U

022-3907-040

L 28

MLF1608D R33K 0.33U

022-3907-040

L 29

ELJRE 3N9J 3.9N coil

022-3907-042

L 30

MLF1608A 2R2K-T coil

022-3906-514

L 32

ELJRE 10NJ 10N coil

022-3906-493

L 33

ELJRE 8N2J 8.2N coil

022-3906-491

L 34

DCS3220-09 coil

022-3906-121

MP 03

1591 module T-shield (under IC1)

022-3906-262

MP 04

1781 module plate (VCO-IC1)

022-3906-508

MP 05

2176 shield plate (over Q2)

022-3907-065

MP 06

2176 shield sheet (over FI2)

022-3907-074

MP 07

1591 VCO shield case-1

022-3906-509

MP 08

1591 VCO sheet (shield insulator)

022-3906-281

MP 09

Grand spring (E)

022-3906-510

MP 10

1591 VCO shield cover plate-1

022-3906-298

Q 01

2SC5015

022-3906-035

Q 02

3SK177 U72

022-3906-037

Q 05

2SC4081 T107 S transistor

022-3906-031

Q 06

2SB1132 T100 Q transistor

022-3906-030

Q 07

UMD3 TL diode

022-3906-040

Q 08

2SC3357-T2 RF transistor

022-3907-022

Q 09

2SC3357-T2 RF transistor

022-3907-022

Q 10

2SC4228-T2 R44 transistor

022-3906-033

Q 11

2SC4228-T2 R44 transistor

022-3906-033

Q 12

2SC4228-T2 R44 transistor

022-3906-033

Q 13

2SA1576 S transistor

022-3906-029

Q 14

XP4601(TX) transistor

022-3906-328

Q 16

2SA1577 T107 Q transistor

022-3906-249

Q 17

DTC144EE TL transistor

022-3906-329

 

 

 

November 1999

 

Part No. 001-7780-500

7-6

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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 ReturnsReplacement Parts Internet Home Intrinsically Safe InformationDefinitions 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 GeneralFeatures Transceiver OperationControls and Display TX Indicator Red Indicates when the transmitter is keyed Low-Battery Indicator AmberDisplay Front Panel Keys Full Keypad ModelDisplay General Operation Turning Power on and Setting VolumeOption Switches BacklightOption Switch Functions Function ConvSee Tone ENABLE/DISABLE ScanningConventional and SMARTNET/ Smartzone Operation Conventional Features Display Mode SelectionMonitoring Before Transmitting Monitor Mode Busy Channel LockoutCall 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 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 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 ButtonScan Timers Setting UP Conventional ChannelsPriority 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 ChannelSMARTNET/SMARTZONE System Lists Screens Trunking Phone List ScreenMessage Aliasing Screen Announcement Groups Screen Control Channels ScreenTrunking Call List Screen Setting UP SMARTNET/SMART- Zone Channels Status Aliasing ScreenSMARTNET/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 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 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 Audio Amplifier IC104-IC106 Receive and Transmit Data ProcessingReceive 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 AssemblyIf Assembly KEY 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 Schematic Diagrams and Component Layouts PLL Board TOP ViewPLL 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
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