EFJohnson 7780 service manual 200K ERJ3GE

Page 96

PARTS LIST

Ref No.	Description	Part No.

R 239	330K ERJ3GE resistor	022-3906-180
R 240	ERJ3GEYJ 103V resistor	022-3906-163
R 241	ERJ3GEYJ 683V resistor	022-3906-173
R 243	ERJ3GEYJ 103V resistor	022-3906-163
R 244	ERJ3GEYJ 103V resistor	022-3906-163
R 245	ERJ3GEYJ 331 V resistor	022-3906-389
R 246	ERJ3GEYJ 182 V resistor	022-3906-156
R 247	ERJ3GEYJ 102 V resistor	022-3906-154
R 248	ERJ3GEYJ 103V resistor	022-3906-163
R 249	ERJ3GEYJ 103V resistor	022-3906-163
R 250	ERJ3GEYJ 682 V resistor	022-3906-162
R 251	12K ERJ3GE resistor	022-3906-164
R 252	ERJ3GEYJ 103V resistor	022-3906-163
R 253	ERJ3GEYJ 222 V resistor	022-3906-157
R 254	ERJ3GEYJ 154V resistor	022-3906-392
R 301	ERJ3GEYJ 474 V resistor	022-3906-181
R 302	ERJ3GEYJ 104 V resistor	022-3906-175
R 303	ERJ3GEYJ 183 V resistor	022-3906-166
R 304	12K ERJ3GE resistor	022-3906-164
R 306	ERJ3GEYJ 102 V resistor	022-3906-154
R 308	ERJ3GEYJ 103V resistor	022-3906-163
R 309	ERJ3GEYJ 103V resistor	022-3906-163
R 310	ERJ3GEYJ 104 V resistor	022-3906-175
R 311	ERJ3GEYJ 102 V resistor	022-3906-154
R 312	ERJ3GEYJ 103V resistor	022-3906-163
R 313	ERJ3GEYJ 474 V resistor	022-3906-181
R 314	ERJ3GEYJ 224V resistor	022-3906-178
R 315	ERJ3GEYJ 224V resistor	022-3906-178
R 316	ERJ3GEYJ 471 V resistor	022-3906-150
R 317	ERJ3GEYJ 104 V resistor	022-3906-175
R 318	ERJ3GEYJ 471 V resistor	022-3906-150
R 319	ERJ3GEYJ 104 V resistor	022-3906-175
R 320	ERJ3GEYJ 471 V resistor	022-3906-150
R 321	ERJ3GEYJ 104 V resistor	022-3906-175
R 322	ERJ3GEYJ 104 V resistor	022-3906-175
R 323	ERJ3GEYJ 471 V resistor	022-3906-150

LOGIC UNIT

Ref No.	Description	Part No.

R 324	ERJ3GEYJ 104 V resistor	022-3906-175
R 325	ERJ3GEYJ 104 V resistor	022-3906-175
R 326	ERJ3GEYJ 104 V resistor	022-3906-175
R 328	ERJ3GEYJ 104 V resistor	022-3906-175
R 329	ERJ3GEYJ 104 V resistor	022-3906-175
R 330	ERJ3GEYJ 104 V resistor	022-3906-175
R 331	ERJ3GEYJ 104 V resistor	022-3906-175
R 332	ERJ3GEYJ 104 V resistor	022-3906-175
R 333	ERJ3GEYJ 104 V resistor	022-3906-175
R 335	ERJ3GEYJ 471 V resistor	022-3906-150
R 336	ERJ3GEYJ 102 V resistor	022-3906-154
R 337	ERJ3GEYJ 471 V resistor	022-3906-150
R 338	ERJ3GEYJ 223 V resistor	022-3906-167
R 339	ERJ3GEYJ 333 V resistor	022-3906-169
R 401	ERJ3GEYJ 183 V resistor	022-3906-166
R 402	ERJ3GEYJ 103V resistor	022-3906-163
R 403	ERJ3GEYJ 104 V resistor	022-3906-175
R 404	ERJ3GEYJ 104 V resistor	022-3906-175
R 406	200K ERJ3GE	022-3907-050
R 407	ERJ3GEYJ 104 V resistor	022-3906-175
R 408	ERJ3GEYJ 102 V resistor	022-3906-154
S 1	EC10SP16-51 switch	022-3906-057
W 10	ERJ3GE-JPW V resistor	022-3906-185
W 11	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
W 7	ERJ3GE-JPW V resistor	022-3906-185
W 8	ERJ3GE-JPW V resistor	022-3906-185
W 9	ERJ3GE-JPW V resistor	022-3906-185
X 1	CR-563 crystal	022-3906-542
X 2	CR-635	022-3907-039

November 1999
Part No. 001-7780-500	7-12

Image 96

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 ReturnsReplacement Parts Internet Home Intrinsically Safe InformationDefinitions 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 GeneralFeatures Transceiver OperationControls and Display TX Indicator Red Indicates when the transmitter is keyed Low-Battery Indicator AmberDisplay Front Panel Keys Full Keypad ModelDisplay Turning Power on and Setting Volume Option SwitchesGeneral Operation 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 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 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 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 ButtonScan Timers Setting UP Conventional ChannelsPriority Channel Selection 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 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 Power Switching and Regulation Power SwitchingCircuit Description 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 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 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 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 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