EFJohnson 764X, 761X service manual 5ìèé 5HVý5-ê*-ýìíéý9ýõìííýNýRKPô

Page 72

PARTS LIST

7610 (VHF) Main Unit

5HIý1Rï

'HVFULSWLRQ

3DUWý1Rï

 

 

 

5ìèé

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

5ìèè

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

5ìèç

5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô

íëëðêäíçðìåê

5ìèæ

5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô

íëëðêäíçðìçé

5ìèå

5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô

íëëðêäíçðìåê

5ìèä

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

5ìçí

5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô

íëëðêäíçðìçè

5ìçì

5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô

íëëðêäíçðìåì

5ìçë

5HVý(5-ê*(<-ýçåêý9ýõçåýNýRKPô

íëëðêäíçðìæê

5ìçê

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìçé

5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô

íëëðêäíçðìçí

5ìçè

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

5ìçç

5HVý(5-ê*(<-ýìëéý9ýõìëíýNýRKPô

íëëðêäíçðìæç

5ìçæ

5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô

íëëðêäíçðìçí

5ìçå

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìçä

5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô

íëëðêäíçðìèæ

5ìæí

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìæì

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìæë

5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô

íëëðêäíçðìçè

5ìæé

5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô

íëëðêäíçðìåê

5ìæè

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

5ìæç

5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô

íëëðêäíçðìåê

5ìææ

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

5ìæå

5HVý(5-ê*(<-ýêêêý9ýõêêýNýRKPô

íëëðêäíçðìçä

5ìæä

5HVý(5-ê*(<-ýìèéý9ýõìèíýNýRKPô

íëëðêäíçðêäë

5ìåí

5HVý(5-ê*(<-ýêäêý9ýõêäýNýRKPô

íëëðêäíçðìæí

5ìåì

5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô

íëëðêäíçðìçí

5ìåë

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

5ìåê

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

5ìåé

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

5ìåè

7KHUPLVWRUý17&&)ëíìëýé$+ý

íëëðêäíçðéíê

 

éæê.&ð7

 

5ìåç

5HVý55íåìç5ðìíéð'ýõìííýNýRKPô

íëëðêäíçðêäè

5ìåæ

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìåå

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìåä

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

5ìäí

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

5ìäì

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

5ìäë

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

5ìäê

5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô

íëëðêäíçðìèæ

5ìäé

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

5ìäè

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

5ìäç

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

5ìäæ

5HVý0&5èí-=+-ýìýNýRKPýõìíëô

íëëðêäíçðåçå

5ìäå

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

5ìää

5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô

íëëðêäíçðìçí

 

 

 

 

5HIý1Rï

'HVFULSWLRQ

3DUWý1Rï

 

 

 

 

 

5ëíí

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

 

5ëíì

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô

íëëðêäíçðìèé

 

5ëíë

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

 

5ëíê

5HVý(5-ê*(<-ýéæëý9ýõéïæýNýRKPô

íëëðêäíçðìçí

 

5ëíé

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô

íëëðêäíçðìèé

 

5ëíè

5HVý55íåìç5ðêíéð'ýõêííýNýRKPô

íëëðêäíçðåçç

 

5ëíç

5HVý55íåìç5ðìíéð'ýõìííýNýRKPô

íëëðêäíçðêäè

 

5ëíæ

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

 

5ëíå

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

 

5ëíä

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

 

5ëìí

5HVý(5-ê*(<-ýìíèý9ýõìý0ýRKPô

íëëðêäíçðìåé

 

5ëìì

5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô

íëëðêäíçðìèæ

 

5ëìë

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìê

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìé

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìè

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìç

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìæ

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìå

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëìä

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

 

5ëëí

5HVý(5-ê*(<-ýìíìý9ýõìííýRKPô

íëëðêäíçðìéê

 

5ëëì

5HVý0&5ìå(=+-ýëëýRKPýõëëíô

íëëðêäíçðåæí

 

5ëëë

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

 

5ëëê

5HVý(5-ê*(<-ýêêêý9ýõêêýNýRKPô

íëëðêäíçðìçä

 

5ëëç

5HVý(5-ê*(<-ýìåéý9ýõìåíýNýRKPô

íëëðêäíçðìææ

 

5ëëæ

5HVý(5-ê*(<-ýçåéý9ýõçåíýNýRKPô

íëëðêäíçðìåê

 

5ëëå

5HVý(5-ê*(<-ýìåêý9ýõìåýNýRKPô

íëëðêäíçðìçç

 

5ëëä

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

 

5ëêí

5HVý(5-ê*(<-ýëëëý9ýõëïëýNýRKPô

íëëðêäíçðìèæ

 

5ëêë

5HVý(5-ê*(<-ýéæéý9ýõéæíýNýRKPô

íëëðêäíçðìåì

 

5ëêê

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô

íëëðêäíçðìèé

 

5ëêé

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

 

5ëêè

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

 

5ëêç

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

 

5ëêæ

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô

íëëðêäíçðìèé

 

5ëêå

5HVý(5-ê*(<-ýìåêý9ýõìåýNýRKPô

íëëðêäíçðìçç

 

5ëéí

5HVý(5-ê*(<-ýçåëý9ýõçïåýNýRKPô

íëëðêäíçðìçë

 

5ëéì

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô

íëëðêäíçðìæè

 

5ëéë

5HVý(5-ê*(<-ýéæìý9ýõéæíýRKPô

íëëðêäíçðìèí

 

5ëéê

5HVý0&5ìå(=+-ýçåýRKPýõçåíô

íëëðêäíçðåæì

 

5ëéè

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

 

5ëéç

5HVý(5-ê*(<-ýèçìý9ýõèçíýRKPô

íëëðêäíçðìèì

 

5ëéæ

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô

íëëðêäíçðìæì

 

5ëéå

5HVý55íåìç5ðêêéð'ýõêêíýNýRKPô

íëëðêäíçðçäì

 

5ëéä

5HVý(5-ê*(<-ýìíêý9ýõìíýNýRKPô

íëëðêäíçðìçê

 

5ëèì

6ý3RVLVWRUý37+ä&êë%%éæì4ð7ý

íëëðêäíçðåæë

 

 

 

 

 

 

November 1998

7-7

 

Part No. 001-7600-001

Image 72
Contents 761x VHF 764x UHF Conventional Mobile Conventional FM TWO-WAY Radio Table of Contents Table of Contents CONT’D Schematic Diagrams and Component Layouts General Information 75xx Accessories AccessoryToll-Free 800 Factory ReturnsReplacement Parts Internet HomeThis page intentionally left blank VHF and 7640 UHF Mobile Specifications GeneralGeneral Information Installation and Disassembly Transceiver InstallationInstalling Mounting Bracket Installing Microphone HangerPower Cable Installation Cable InstallationPower Cable Fuses Changing 20-Ampere Power Cable FusesUsing AN External Speaker Accessory Cable InstallationTransceiver Disassembly Removing PC BoardRemove shield E 2-TONE/5-TONE Module Installation Installation ProcedureSetting 5-Tone Deviation 2 2-TONE ProgrammingInstallation and Disassembly Features OperationControls and Display Transceiver Back PanelBasic Operation Direct Selection The F1-F4 Receiving and Placing Calls TIME-OUT Timer Programmable FunctionsOption Key Programmable Functions Function Key Label Description Section NoMonitor Mode Select Output Power SelectCall Guard Tone Select Channel SelectChannel Scan Priority Channel Sampling Programming Setup Section ProgrammingProgramming Cables Programming SoftwareStarting the Program Special Keys and FunctionsMenu Flow File MenuScreen Menu Program MenuPrint Menu Model MenuSetup Menu Memory Channel Screen Description LMR ModelsParameter Description Bank Select Timer Ch AtrFrequency Rx/TxAuto Reset LockoutScan ToneKey and Display Assign Screen Description Key DescriptionKey Description Label RF Power Dtmf Autodial Screen DescriptionSelection Bank/FreeContinuous Tone Screen Description Scan Function Screen DescriptionParameter Description Stop Timer 2-Tone Code Channel Screen DescriptionResume Auto CHEXO Timer Timer Auto TxAuto Tx StunCommon Screen Description Expert Screen Description Unique PMR European Screens Unique PMR ScreensCloning Programming ONE Transceiver with Another Memory Channel Screen PMR Models This page intentionally left blank VHF 7610 Circuit Description VHF Receiver CircuitAudio Amplifier Circuit Receiver Mute CircuitPower Amplifier Module VHF Transmitter CircuitMicrophone Amplifier Circuit Modulation CircuitAPC Circuit VHF PLL CircuitPLL Circuit VHF IC PIN Descriptions Line DescriptionPin Port Description VHF I/O Expander IC5 Main Unit PinVHF Port Expander IC11 Main Unit Pin Port Description NameUHF 7640 Circuit Description UHF Receiver CircuitSecond if System IC1 UHF UHF Transmitter Circuit PLL Circuit UHF UHF PLL CircuitUHF Power Supply UHF CPU IC1 Port AllocationUHF I/O Expander IC12 Main Unit UHF Port Expander IC13 Main UnitAdjustment Procedure Test SetupSuggested Test Equipment Equipment Grade and RangeTest Channels Test CableCOMPUTER-AIDED Tuning VHF Test FrequenciesUHF Test Frequencies VHF Adjustments VHF AdjustmentsPreliminary Setup PLL Adjustment VHF ModelsVHF Adjustments CONT’D Output Power AdjustFM Deviation Adjust Dtcs Waveform Adjust Receiver Adjustments VHF ModelsBandpass Filter Adjust Squelch AdjustBeep Tone Level Adjustment Beep Tone LevelUHF Adjustments PLL Adjustment UHF ModelsTransmitter Adjustments UHF Models UHF Adjustments CONT’D UHF Adjustment PointsUHF Adjustments CONT’D Receiver Adjustments UHF Models Parts List Æçìíýõ9+ôý0$,1ý81,7Íäç HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ Íëëðêäíçðíçí Íäæ Ìää HUDPLFý&ìçíåý-%ýì&ýìíé.7ð1 Íëëðêäíçðçìé Ëíí Ëäí HUDPLFý&ìçíåý-%ýìýìíê.ð7ð$ Íëëðêäíçðíçê Ëäì RLOý0/ìçíå$ýì5í.ð7 Íëëðêäíçðçèç 03ì Ýìäëëý9&2ýFDVH 5íéé 5HVý5-ê*-ýìííý9ýõìíýRKPô Íëëðêäíçðìêå 5íéè 5ìèé 5HVý5-ê*-ýìíéý9ýõìííýNýRKPô Æçéíýõ8+ôý0$,1ý81,7 Íêì HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ Íëëðêäíçðíçí Íêë Íäé HUDPLFý+0çí6-ý&+ýíêíýèíí9ý Õéäíðèìëý0+ô Ìèì 5HIý1Rï Êëç Íëëðêäíçðäèë 4éì 7UDQVLVWRUý7&êçê.ý7ìéæ 5íæé 5ìçå 5HVý5-ê*-ýìíéý9ýõìííýNýRKPô 5217ý81,7 Õ9+ý$1ý8+ý02/6ô =HQHUý0$åíèìð0ýõ7ô Æçìíýõ9+ôý&+$66,6ý3$576 VHF 7610 Exploded View Front UnitUHF 7640 Exploded View Schematic Diagrams and Component Layouts VHF 7610 Block DiagramMain Unit Front UnitVHF 7610 Transistor Basing Diagrams Foldout → VHF 7610 Main Board TOP View VHF 7610 Main Board Schematic VHF Main UnitUHF 7640 Block Diagram UHF 7640 Main Board Bottom View UHF 7640 Main Board TOP View J4 T o O p tion al Un itUHF 7640 Main Board Schematic VHF/UHF Front Unit Board TOP View VHF/UHF Front Unit Board Bottom ViewVHF/UHF Front Unit Schematic UHF 7640 Transistor Basing Diagrams