EFJohnson 7780 service manual Logic Unit

Page 92

PARTS LIST

RF UNIT

LOGIC UNIT

Ref No.

Description

Part No.

 

 

 

R 104

DRJ3GEYJ 561 V resistor

022-3906-151

W 1

IPS-1041-2

022-3906-133

W 3

ERJ3GE-JPW V resistor

022-3906-185

W 4

ERJ3GE-JPW V resistor

022-3906-185

W 5

ERJ3GE-JPW V resistor

022-3906-185

W 6

ERJ3GE-JPW V resistor

022-3906-185

X 3

CR-626

022-3907-038

 

 

 

Ref No.

Description

Part No.

 

 

 

 

 

 

LOGIC UNIT

Ref No.

Description

Part No.

 

 

C 030 C1608 JB 1C 104KT-N

022-3906-614

C 031 C1608 JB 1C 104KT-N

022-3906-614

C 032 C1608 CH 1H 330J-T-A

022-3906-070

C 033 C1608 CH 1H 330J-T-A

022-3906-070

C 036 C1608 CH 1H 330J-T-A

022-3906-070

C 043 C1608 JF 1C 104Z-T-A

022-3906-076

C 044 C1608 JF 1C 104Z-T-A

022-3906-076

C 045 C1608 JF 1C 104Z-T-A

022-3906-076

C 046 1 C2012 10V B

022-3907-034

C 048 C1608 JF 1C 104Z-T-A

022-3906-076

C 049 C1608 JF 1C 104Z-T-A

022-3906-076

C 051

C1608 JF 1C 104Z-T-A

022-3906-076

C 052

C1608 JF 1C 104Z-T-A

022-3906-076

C 053

C1608 JF 1C 104Z-T-A

022-3906-076

C 054

C1608 JF 1C 104Z-T-A

022-3906-076

C001 C 002 C 003 C 004 C 005 C 006 C 007 C 008 C 009 C 010 C 011 C 012 C 013 C 014 C 015 C 016 C 017 C 018 C 019 C 020 C 021 C 022 C 023 C 024 C 025 C 026 C 027 C 028 C 029

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 JB 1E 103KTA

C1608 JB 1E 103KTA

C1608 JB 1E 103KTA

C1608 JB 1E 103KTA

C1608 CH 1H 330J-T-A

C1608 JF 1C 104Z-T-A

C1608 JB 1E 103KTA

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 JB 1E 103KTA

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

C1608 CH 1H 330J-T-A

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-070

022-3906-063

022-3906-063

022-3906-063

022-3906-063

022-3906-070

022-3906-076

022-3906-063

022-3906-070

022-3906-070

022-3906-070

022-3906-063

022-3906-070

022-3906-070

022-3906-070

C 055

C1608 JB 1E 103KTA

022-3906-063

C 101

C1608 JB 1E 103KTA

022-3906-063

C 102

470P C1608 CH

022-3906-252

C 103

C1068 JB 1H 102K-T-A

022-3906-060

C 104

0.039 C1608 16V B

022-3907-033

C 105

C1608 JB 1E 103KTA

022-3906-063

C 106

C1608 JB 1E 103KTA

022-3906-063

C 107

1 C2012 10V B

022-3907-034

C 108

C1608 JB 1C 104KT-N

022-3906-614

C 109

C1608 JB 1E 103KTA

022-3906-063

C 110 C1608 JB 1C 473K-T-A

022-3906-080

C 111

4.7 C3216 6.3V B

022-3907-035

C 113 C1608 CH 1H 330J-T-A

022-3906-070

C 115 1 C2012 10V B

022-3907-034

C 116 C1608 JB 1C 473K-T-A

022-3906-080

C 118 C1608 JB 1C 104KT-N

022-3906-614

C 121

C1608 JB 1C 104KT-N

022-3906-614

C 122

C1608 JB 1C 104KT-N

022-3906-614

C 123

TEMSVB2 1A 336M-8R

022-3906-095

C 124

C1608 JB 1E 103KTA

022-3906-063

C 125

C1608 JB 1E 103KTA

022-3906-063

C 126

0.0033 C1608 B

022-3906-077

C 127

C1608 JB 1C 104KT-N

022-3906-614

C 128

C1608 JB 1H 222K-T-A

022-3906-061

C 129

4.7 10V MSVA

022-3906-361

C 130

1 C2012 10V B

022-3907-034

C 134

1 C2012 10V B

022-3907-034

C 136

C1608 JB 1C 104KT-N

022-3906-614

C 137

1 C2012 10V B

022-3907-034

C 138

4.7 10V MSVA

022-3906-361

November 1999

 

Part No. 001-7780-500

7-8

Page 91 Page 93
Image 92
Page 91 Page 93
Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Tables List of FiguresGeneral Information Scope of Manual Equipment DescriptionAccessories Factory Customer ServicePart Number Breakdown Transceiver IdentificationAccessories AccessoryToll-Free 800 Factory ReturnsDefinitions Replacement PartsInternet Home Intrinsically Safe Information Temperature Code T3C Possible Ignition SourcesIntrinsically Safe and Nonincendive Ratings Classification of Hazardous Areas and AtmospheresAccessing PC Boards Material ClassificationTypical Hazard Group Class Area ClassificationRemoving RF Unit Removing Logic UnitSpecifications GeneralControls and Display FeaturesTransceiver Operation TX Indicator Red Indicates when the transmitter is keyed Low-Battery Indicator AmberDisplay DisplayFront Panel Keys Full Keypad Model Turning Power on and Setting Volume Option SwitchesGeneral Operation BacklightSee Option Switch FunctionsFunction Conv Tone ENABLE/DISABLE ScanningConventional and SMARTNET/ Smartzone Operation Monitoring Before Transmitting Conventional FeaturesDisplay Mode Selection Call Guard Squelch Monitor ModeBusy Channel Lockout Penalty Timer Conversation TimerPower Output Select Conventional Mode ScanningPriority Channel Sampling DTMF/ANI Signaling Standard Conventional CallsSMARTNET/SMARTZONE Features Viewing Unit IDStandard Group Calls Enhanced Private Conversation CallsTransceiver Operation Private Conversation II Calls Telephone Calls Call Alert Sending Status Conditions Emergency Alarm and CallMessaging Dynamic Regrouping Failsoft OperationSMARTNET/SMARTZONE Scanning Supervisory Tones Zone Change Parameter Keypad ProgrammingMenu Description Channel Parameters Channel Change ParameterSystem Parameters Programming Setup Pctrunk Software InstallationTransceiver Programming Computer DescriptionConnecting RPI to Computer and Transceiver Starting and ExitingProgramming File Types Help FilesScreen Pop-Up Buttons and File Size Indicator Programming ProcedureFile Size Indication Creating and Displaying SystemsMenu Commands Menu BarRadio Type Menu Download Menu Upload MenuSystems Menu Window MenuDefaults RADIO-WIDE Parameter ScreensBand ZonesRadio Wide Scan List Radio-Wide Scan List ScreenModify List Screen Assign Function ButtonsRADIO-WIDE Conventional Screen RADIO-WIDE SMARTNET/SMARTZONE ScreenFull Spectrum CC Scan Hot DtmfAdjustable Parameters RADIO-WIDE Portable Options ScreenProgramming Conventional Systems and Channels Conventional System General ScreenTimers Conventional System Modify Scan List ScreenKeypad Editing Scan List ButtonPriority Channel Selection Scan TimersSetting UP Conventional Channels Conventional Channel Screen Parameters Selected ChannelTransmit Power SignalingChannel Type Tx Time-OutRestricted Access Time-Out TimerISW Delay Time Splinter ChannelsSMARTNET/SMARTZONE System Other ID’S Screen SMARTNET/SMARTZONE System Phone Interconnect ScreenPhone Interconnect Private CallSMARTNET/SMARTZONE System Emergency Settings Screen Emergency AlarmSMARTNET/SMARTZONE System Talk Groups Screen Failsoft ChannelMessage Aliasing Screen SMARTNET/SMARTZONE System Lists ScreensTrunking Phone List Screen Announcement Groups Screen Control Channels ScreenTrunking Call List Screen SMARTNET/SMARTZONE Channel Screen Parameters Setting UP SMARTNET/SMART- Zone ChannelsStatus Aliasing Screen 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 Power Switching and Regulation Power SwitchingCircuit Description Synthesizer DescriptionCharge Pump Q1, Q2, Loop Filter VCO and Tcxo ModulationSynthesizer Chip IC1 If Amplifier Q2, LIMITER/DETECTOR IC3 Receiver Circuit DescriptionRF Amplifier Q1, First Mixer Q2 Antenna Switch and LOW-PASS Filter Squelch Circuit IC4A/B, IC5ATransmitter Description Amplifier Q9, Driver Q8Control Logic and Display Receive Audio ProcessingMicroprocessor IC306 Pin Descriptions Pin Port Name Input or Description Active High OutputHvfulswlrq Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Audio Amplifier IC104-IC106Receive and Transmit Data Processing Transmit Data Filter IC206B/ IC206A Transmit Audio ProcessingLOW-PASS Filter IC205A/B Smartnet Data ProcessingBattery Pack and Charger Information Battery PackPower Setting Operating Time 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 ScreenTransmit Frequency and Power Transmit Power Adjustment ScreenHigh Power Level = 3.0 watts Low Power Level = 1.0 watt Modulation BalanceSquelch Adjust Rssi AdjustAudio Deviation Data DeviationPerformance Tests Receiver Performance TestsPower Output Transmitter Performance TestsTransmit Frequency Transmit ModulationThis page intentionally left blank Parts List Display AssemblyChassis Parts Ref No DescriptionKEY Assembly Display AssemblyIf Assembly If AssemblyKEY 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 Bottom View Schematic Diagrams and Component LayoutsPLL Board TOP 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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