EFJohnson 7780 service manual RF Unit

Page 89

PARTS LIST

RF UNIT

Ref No.

Description

Part No.

 

 

 

C 035

C1608 CH 1H 040B-T-A

022-3906-609

C 036

C1608 CH 1H 150J-T-A

022-3906-067

C 037

C1608 CH 1H 330J-T-A

022-3906-070

C 038

C1608 CH 1H 330J-T-A

022-3906-070

C 040

C1608 JB 1C 473K-T-A

022-3906-080

C 041

C1608 JB 1H 471K-T-A

022-3906-059

C 042

C1608 CH 1H 330J-T-A

022-3906-070

C 043

C1608 CH 1H 330J-T-A

022-3906-070

C 044

C1608 JB 1H 471K-T-A

022-3906-059

C 045

C1608 JB 1C 104KT-N

022-3906-614

C 046

C1608 CH 1H 330J-T-A

022-3906-070

C 047

C1608 CH 1H 330J-T-A

022-3906-070

C 048

C1608 CH 1H 330J-T-A

022-3906-070

C 049

C1608 CH 1H 330J-T-A

022-3906-070

C 050

C1608 CH 1H 330J-T-A

022-3906-070

C 052

C1608 CH 1H 330J-T-A

022-3906-070

C 053

4.7 16V MSVA

022-3906-097

C 054

C1608 CH 1H 330J-T-A

022-3906-070

C 055

C1608 CH 1H 180J-T-A

022-3906-068

C 057

4.7 16V MSVA

022-3906-097

C 058

C1608 CH 1H 330J-T-A

022-3906-070

C 059

C1608 CH 1H 330J-T-A

022-3906-070

C 060

C1608 CH 1H 330J-T-A

022-3906-070

C 062

C1608 CH 1H 050C-T-A

022-3906-064

C 063

C1608 CH 1H 330J-T-A

022-3906-070

C 064

C1608 CH 1H 330J-T-A

022-3906-070

C 065

C1608 CH 1H 330J-T-A

022-3906-070

C 066

C1608 CH 1H 2R5B-T-A

022-3906-071

C 067

C1608 CH 1H 330J-T-A

022-3906-070

C 068

C1608 CH 1H 330J-T-A

022-3906-070

C 069

C1608 CH 1H 330J-T-A

022-3906-070

C 070

C1608 CH 1H 330J-T-A

022-3906-070

C 071

C1608 JB 1H 471K-T-A

022-3906-059

C 072

C1608 CH 1H 330J-T-A

022-3906-070

C 073

C1608 CH 1H 330J-T-A

022-3906-070

C 074

C1608 JB 1C 473K-T-A

022-3906-080

C 075

C1608 CH 1H 020B-T-A

022-3906-086

C 076

C1608 CH 1H 330J-T-A

022-3906-070

C 077

C1608 CH 1H 330J-T-A

022-3906-070

C 078

C1608 CH 1H 050C-T-A

022-3906-064

C 079

C1608 CH 1H 330J-T-A

022-3906-070

C 080

C1608 CH 1H 330J-T-A

022-3906-070

C 081

C1608 CH 1H 330J-T-A

022-3906-070

C 082

C1608 CH 1H 330J-T-A

022-3906-070

C 083

C1608 CH 1H 1R5B-T-A

022-3906-087

 

 

 

Ref No.

Description

Part No.

 

 

 

C 084

C1608 CH 1H 330J-T-A

022-3906-070

C 085

C1608 CH 1H 330J-T-A

022-3906-070

C 088

C1608 CH 1H 330J-T-A

022-3906-070

C 089

C1608 JB 1C 104KT-N

022-3906-614

C 090

C1608 CH 1H 330J-T-A

022-3906-070

C 091

C1608 JB 1C 473K-T-A

022-3906-080

C 093

C1608 CH 1H 330J-T-A

022-3906-070

C 094

C1608 CH 1H 330J-T-A

022-3906-070

C 095

C1608 JB 1C 104KT-N

022-3906-614

C 096

C1608 CH 1H 330J-T-A

022-3906-070

C 097

C1608 CH 1H 330J-T-A

022-3906-070

C 098

C1608 CH 1H 330J-T-A

022-3906-070

C 100

C1608 CH 1H 330J-T-A

022-3906-070

C 101

C1608 CH 1H 330J-T-A

022-3906-070

C 102

C1608 CH 1H 330J-T-A

022-3906-070

C 103

C1608 CH 1H 330J-T-A

022-3906-070

C 104

C1608 CH 1H 330J-T-A

022-3906-070

C 105

C1608 CH 1H 330J-T-A

022-3906-070

C 106

C1608 CH 1H 330J-T-A

022-3906-070

C 107

C1608 CH 1H 330J-T-A

022-3906-070

C 108

C1608 CH 1H 330J-T-A

022-3906-070

C 109

C1608 CH 1H 330J-T-A

022-3906-070

C 111

C1608 CH 1H 330J-T-A

022-3906-070

C 112

C1608 CH 1H 330J-T-A

022-3906-070

C 114

C1608 JB 1C 473K-T-A

022-3906-080

C 117

C1608 CH 1H 070D T-A

022-3906-596

C 119

C1608 JB 1C 473K-T-A

022-3906-080

C 120

C1608 CH 1H 330J-T-A

022-3906-070

C 121

C1608 CH 1H 330J-T-A

022-3906-070

C 122

1 C2012 10V B

022-3907-034

C 124

C1608 JB 1C 104KT-N

022-3906-614

C 125

C1608 CH 1H 330J-T-A

022-3906-070

C 126

0.5P C1608 CH 0.1P

022-3906-084

C 127

C1608 CH 1H 330J-T-A

022-3906-070

C 128

C1608 JB 1E 103KTA

022-3906-063

C 129

C1608 JB 1E 103KTA

022-3906-063

C 130

C1608 JB 1E 103KTA

022-3906-063

C 131

C1608 CH 1H 330J-T-A

022-3906-070

C 132

C1608 CH 1H 050C-T-A

022-3906-064

C 133

C1608 CH 1H 330J-T-A

022-3906-070

C 134

C1608 CH 1H 030B-T-A

022-3906-489

C 135

C1608 JB 1E 103KTA

022-3906-063

C 136

C1608 CH 1H 150J-T-A

022-3906-067

C 137

C1608 CH 1H 330J-T-A

022-3906-070

C 138

C1608 CH 1H 150J-T-A

022-3906-067

 

 

 

 

November 1999

7-5

Part No. 001-7780-500

Image 89
Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Figures List of TablesScope of Manual Equipment Description General InformationFactory Customer Service AccessoriesPart Number Breakdown Transceiver IdentificationAccessory AccessoriesToll-Free 800 Factory ReturnsDefinitions Replacement PartsInternet Home Intrinsically Safe Information Possible Ignition Sources Temperature Code T3CIntrinsically Safe and Nonincendive Ratings Classification of Hazardous Areas and AtmospheresMaterial Classification Accessing PC BoardsTypical Hazard Group Class Area ClassificationRemoving Logic Unit Removing RF UnitGeneral SpecificationsControls and Display FeaturesTransceiver Operation Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedDisplay DisplayFront Panel Keys Full Keypad Model Option Switches Turning Power on and Setting VolumeGeneral Operation BacklightSee Option Switch FunctionsFunction Conv Scanning Tone ENABLE/DISABLEConventional and SMARTNET/ Smartzone Operation Monitoring Before Transmitting Conventional FeaturesDisplay Mode Selection Call Guard Squelch Monitor ModeBusy Channel Lockout Conversation Timer Penalty TimerPower Output Select Conventional Mode ScanningPriority Channel Sampling Standard Conventional Calls DTMF/ANI SignalingViewing Unit ID SMARTNET/SMARTZONE FeaturesStandard 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 Pctrunk Software Installation Programming SetupTransceiver Programming Computer DescriptionStarting and Exiting Connecting RPI to Computer and TransceiverProgramming File Types Help FilesProgramming Procedure Screen Pop-Up Buttons and File Size IndicatorFile Size Indication Creating and Displaying SystemsMenu Bar Menu CommandsDownload Menu Upload Menu Radio Type MenuSystems Menu Window MenuRADIO-WIDE Parameter Screens DefaultsBand ZonesRadio-Wide Scan List Screen Radio Wide Scan ListModify List Screen Assign Function ButtonsRADIO-WIDE SMARTNET/SMARTZONE Screen RADIO-WIDE Conventional ScreenFull Spectrum CC Scan Hot DtmfRADIO-WIDE Portable Options Screen Adjustable ParametersProgramming Conventional Systems and Channels Conventional System General ScreenConventional System Modify Scan List Screen TimersKeypad Editing Scan List ButtonPriority Channel Selection Scan TimersSetting UP Conventional Channels Selected Channel Conventional Channel Screen ParametersSignaling Transmit PowerChannel Type Tx Time-OutTime-Out Timer Restricted AccessISW Delay Time Splinter ChannelsSMARTNET/SMARTZONE System Phone Interconnect Screen SMARTNET/SMARTZONE System Other ID’S ScreenPhone Interconnect Private CallEmergency Alarm SMARTNET/SMARTZONE System Emergency Settings ScreenSMARTNET/SMARTZONE System Talk Groups Screen Failsoft ChannelMessage Aliasing Screen SMARTNET/SMARTZONE System Lists ScreensTrunking Phone List Screen Control Channels Screen Announcement Groups ScreenTrunking Call List Screen SMARTNET/SMARTZONE Channel Screen Parameters Setting UP SMARTNET/SMART- Zone ChannelsStatus Aliasing Screen 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 Power Switching Power Switching and RegulationCircuit 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 Squelch Circuit IC4A/B, IC5A Antenna Switch and LOW-PASS FilterTransmitter Description Amplifier Q9, Driver Q8Receive Audio Processing Control Logic and DisplayPin Port Name Input or Description Active High Output Microprocessor IC306 Pin DescriptionsHvfulswlrq Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Audio Amplifier IC104-IC106Receive and Transmit Data Processing Transmit Audio Processing Transmit Data Filter IC206B/ IC206ASmartnet Data Processing LOW-PASS Filter IC205A/BBattery Pack Battery Pack and Charger InformationPower Setting Operating Time Function Fahrenheit CelsiusBattery Pack and Charger Information Test Setup Alignment Procedure and Performance TestsMm/3/32 Mm/1/8 Phone Jack Tune Software HqhudoMain Pctune Screen Preliminary SetupTransmit Power Adjustment Screen Transmit Frequency and PowerHigh Power Level = 3.0 watts Low Power Level = 1.0 watt Modulation BalanceRssi Adjust Squelch AdjustAudio Deviation Data DeviationReceiver Performance Tests Performance TestsTransmitter Performance Tests Power OutputTransmit Frequency Transmit ModulationThis page intentionally left blank Display Assembly Parts ListChassis Parts Ref No DescriptionDisplay Assembly KEY AssemblyIf Assembly If AssemblyKEY 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 PLL Board Bottom View Schematic Diagrams and Component LayoutsPLL Board TOP 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