EFJohnson 761X, 764X service manual Æçìíýõ9+ôý&+$66,6ý3$576

Page 85

PARTS LIST

Front Unit (All Models)

Chassis Parts

5HIý1Rï

'HVFULSWLRQ

3DUWý1Rï

 

 

5éì

5HVý(5-ê*(<-ýëæéý9ýõëæíýNýRKPô íëëðêäíçðìæä

5éë

5HVý(5-ê*(<-ýêêéý9ýõêêíýNýRKPô íëëðêäíçðìåí

5éê

5HVý(5-ê*(<-ýìëêý9ýõìëýNýRKPô

íëëðêäíçðìçé

5HIý1Rï

'HVFULSWLRQ

3DUWý1Rï

 

 

 

 

 

 

æçìíýõ9+)ôý&+$66,6ý3$576

5éé

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

5éè

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

5éç

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

5éæ

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

5éå

$UUD\ý(;%ð9å9ýìíë-9

íëëðêäíçðæíí

5éä

5HVý(5-ê*(<-ýìíìý9ýõìííýýRKPô

íëëðêäíçðìéê

5èí

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5èì

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èë

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èê

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5èé

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô

íëëðêäíçðìèé

5èè

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5èç

5HVý(5-ê*(<-ýèçëý9ýõèïçýNýRKPô íëëðêäíçðìçì

5èæ

5HVý(5-ê*(<-ýìèêý9ýõìèýNýRKPô íëëðêäíçðìçè

5èå

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5èä

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çí

7ULPPHUý59ðìèíý

íëëðêäíçðæåç

03ì 03ë 03ê 03é 03è 03ç 03æ 03å 03ä 03ìì 03ìë 03ìê 63ì :6ì

&RQQHFWRUý05ð'6ð(ýíì

ëíèèý&KDVVLV

ëíèèý)URQWýSDQHO ëíèèý)URQWýNH\ýõ$ô ëíèèý&RYHU ëíèèý0ð3ODWH 5XEEHUýVKHHWýõ$.ôðì 3+ý%7ý0êý;ýåý1,ð=8 ëíèèý6SHDNHUýSODWH ëíèèý6SHDNHUýQHWðì ììëçý75ð$ýFOLS 6SRQJHýõ)/ô 5XEEHUýVKHHWýõ$0ô 6SHDNHUý96ðèæðíåêæ$ 3ì&+

íëëðêäíçðæèí

íëëðêäíçðæèì

íëëðêäíçðæèè

íëëðêäíçðæèç

íëëðêäíçðæèæ

íëëðêäíçðæèå

íëëðêäíçðæèä

íëëðêäíçðæçí

íëëðêäíçðæçì

íëëðêäíçðæçë

íëëðêäíçðæèë

íëëðêäíçðæèê

íëëðêäíçðæèé

íëëðêäíçðæçê

íëëðêäíçðæçé

 

õ5+íê$ê$ìé;í)&ôýìíê

5çì

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çë

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çê

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5çé

5HVý(5-ê*(<-ýìíëý9ýõìýNýRKPô íëëðêäíçðìèé

5HIý1Rï

'HVFULSWLRQ

3DUWý1Rï

 

 

 

 

 

 

æçéíýõ8+)ôý&+$66,6ý3$576

5çè

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çç

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çæ

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5çå

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

5çä

5HVý(5-ê*(<-ýìíéý9ýõìííýNýRKPô íëëðêäíçðìæè

5æí

5HVý(5-ê*(<-ýéæêý9ýõéæýNýRKPô íëëðêäíçðìæì

-XPSHUý0&5ìí(=+-ý-3:ýõíííô

íëëðêäíçðæåæ

-XPSHUý(5-ê*(ý-3:ý9

íëëðêäíçðìåè

&DEOHý23&ðæéì

íëëðêäíçðæåå

&U\VWDOý&5ðèäíýõçïåíìèý0+]ô

íëëðêäíçðæåä

03ì 03ë 03ê 03é 03æ 03å 03ä 03ìì 03ìë 63ì :6ì

&RQQHFWRUý05ð'6ð(ýíì

ëíèèý&KDVVLV

ëíèèý&RYHU

ëíèèý)URQWýSDQHO ëíèèý)URQWýNH\ýõ$ô 3+ý%7ý0êý;ýåý1,ð=8 ëíèèý6SHDNHUýSODWH ëíèèý6SHDNHUýQHWðì ììëçý75ð$ýFOLS 5XEEHUýVKHHWýõ$0ô 6SHDNHUý96ðèæðíåêæ$ 3ì&+

íëëðêäíçðæèí

íëëðêäíçðæèì

íëëðêäíçðæèæ

íëëðêäíçðæèè

íëëðêäíçðæèç

íëëðêäíçðæçí

íëëðêäíçðæçì

íëëðêäíçðæçë

íëëðêäíçðæèë

íëëðêäíçðæèé

íëëðêäíçðæçê

íëëðêäíçðæçé

November 1998

 

Part No. 001-7600-001

7-20

Image 85
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 Accessory 75xx AccessoriesToll-Free 800 Factory ReturnsInternet Home Replacement PartsThis page intentionally left blank General VHF and 7640 UHF Mobile SpecificationsGeneral Information Transceiver Installation Installation and DisassemblyInstalling Microphone Hanger Installing Mounting BracketPower Cable Installation Cable InstallationChanging 20-Ampere Power Cable Fuses Power Cable FusesUsing AN External Speaker Accessory Cable InstallationRemoving PC Board Transceiver DisassemblyRemove shield E Installation Procedure 2-TONE/5-TONE Module InstallationSetting 5-Tone Deviation 2 2-TONE ProgrammingInstallation and Disassembly Operation FeaturesTransceiver Back Panel Controls and DisplayBasic Operation Direct Selection The F1-F4 Receiving and Placing Calls Programmable Functions TIME-OUT TimerOption Key Programmable Functions Function Key Label Description Section NoOutput Power Select Monitor Mode SelectCall Guard Tone Select Channel SelectChannel Scan Priority Channel Sampling Section Programming Programming SetupProgramming Cables Programming SoftwareSpecial Keys and Functions Starting the ProgramMenu Flow File MenuProgram Menu Screen MenuPrint Menu Model MenuMemory Channel Screen Description LMR Models Setup MenuParameter Description Bank Select Ch Atr TimerFrequency Rx/TxLockout Auto ResetScan ToneKey Description Key and Display Assign Screen DescriptionKey Description Label Dtmf Autodial Screen Description RF PowerSelection Bank/FreeScan Function Screen Description Continuous Tone Screen DescriptionParameter Description 2-Tone Code Channel Screen Description Stop TimerResume Auto CHTimer Auto Tx EXO TimerAuto Tx StunCommon Screen Description Expert Screen Description Unique PMR Screens Unique PMR European ScreensCloning Programming ONE Transceiver with Another Memory Channel Screen PMR Models This page intentionally left blank VHF Receiver Circuit VHF 7610 Circuit DescriptionReceiver Mute Circuit Audio Amplifier CircuitVHF Transmitter Circuit Power Amplifier ModuleMicrophone Amplifier Circuit Modulation CircuitVHF PLL Circuit APC CircuitPLL Circuit Line Description VHF IC PIN DescriptionsPin Port Description Pin VHF I/O Expander IC5 Main UnitVHF Port Expander IC11 Main Unit Pin Port Description NameUHF Receiver Circuit UHF 7640 Circuit DescriptionSecond if System IC1 UHF UHF Transmitter Circuit UHF PLL Circuit PLL Circuit UHFUHF CPU IC1 Port Allocation UHF Power SupplyUHF Port Expander IC13 Main Unit UHF I/O Expander IC12 Main UnitTest Setup Adjustment ProcedureSuggested Test Equipment Equipment Grade and RangeTest Cable Test ChannelsVHF Test Frequencies COMPUTER-AIDED TuningUHF Test Frequencies VHF Adjustments VHF AdjustmentsPreliminary Setup PLL Adjustment VHF ModelsOutput Power Adjust VHF Adjustments CONT’DFM Deviation Adjust Receiver Adjustments VHF Models Dtcs Waveform AdjustBandpass Filter Adjust Squelch AdjustBeep Tone Level Beep Tone Level AdjustmentPLL Adjustment UHF Models UHF AdjustmentsTransmitter Adjustments UHF Models UHF Adjustment Points UHF Adjustments CONT’DUHF Adjustments CONT’D Receiver Adjustments UHF Models Æçìíýõ9+ôý0$,1ý81,7 Parts ListÍäç HUDPLFý&ìçíåý-%ýì+ýìíë.ð7ð$ 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 Front Unit VHF 7610 Exploded ViewUHF 7640 Exploded View VHF 7610 Block Diagram Schematic Diagrams and Component LayoutsMain Unit Front UnitVHF 7610 Transistor Basing Diagrams Foldout → VHF 7610 Main Board TOP View VHF Main Unit VHF 7610 Main Board SchematicUHF 7640 Block Diagram UHF 7640 Main Board Bottom View J4 T o O p tion al Un it UHF 7640 Main Board TOP ViewUHF 7640 Main Board Schematic VHF/UHF Front Unit Board Bottom View VHF/UHF Front Unit Board TOP ViewVHF/UHF Front Unit Schematic UHF 7640 Transistor Basing Diagrams