GE LBI-31154 User Manual Download

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Summary of Contents for LBI-31154

Page 1: ... Mobile Communications MASTR gdx VEHICULARREPEATER ...

Page 2: ...AKDOWN Main Chassis 138 174 MHz Receiver Assembly 406 512 MHz Receiver Assembly INTERCONNECTION DIAGRAM SCHEMATIC DIAGRAMS MASTR II Interface Cable Executive II Interface Cable DELTA S SX and RANGR Interface Adapter Cable OUTLINE DIAGRAM DELTA S SX and RANGR Interface Adapter Cable MODIFICATION INSTRUCTIONS FOR DELTA S SX AND RANGR Mobiles PARTS LIST iii iV 1 1 1 1 1 1 1 5 6 6 6 7 7 7 7 8 8 9 9 9 ...

Page 3: ...COMBINATION NOMENCLATURE VEHICULAR REPEATER MOBILE DETECTOR B I l Two I c Thrm L J 2 MHZ LB131154 iii ...

Page 4: ...3 WEIGHT TEMPERATURE RANGE 9 kgs 20 lbs 3O C to 6O C 22 F to 140 F DUTY CYCLE Continuous These specifications are intended primarily for the use of the serviceman Refer to the appropriate Specifications Sheet in the applicable MAINTENANCE MANUAL for specifications of standard units in the Vehicular Repeater System FCC FILING NUMBER TRANSMITTER KT 169 A KT 170 A POWEROUTPUT 300 Milliwatts 300 Milli...

Page 5: ...ITTER The transmitter consists of an exciter board and a power amplifier antenna switch assembly The PA antenna switch assembly mounts on a hinged heat sink casting that swings down for easy access A low pass filter mounts on the heat sink next to the PA assembly RECEIVER The receiver consists of an oscillator multipIier assembly Osc Mult RF assembly Mixer IF assembly MIF and IF Detector assembly ...

Page 6: ...LB131154 _ __ a I VEHICULAR REPEATER SYSTEM DESCRIPTION TOP VIEW TER lULTlPLlER BOTTOM VIEW REPEATER CHANI GUARD MODULE UEL Figure 1 Veh icular Repeater Radio Unit Module Layout Typical SYSTEM BOARD t t ...

Page 7: ...D 4 c LOGIC BOARD LOGIC BOARD T T I I n h v _ MOBILE I FRED DETECTOR EXCITER I RC 3BB4A i I 20 DB PAD 0 J Al Ml v JTENNA OUNT Figure 2 Vehicular Repeater System Block Diagram MOBILE RADIO MOBILE RADIO VEHICULAR VEHICULAR ANTENNA ANTENNA RAEYE RAEYE PE RADIO UNIT PE RADIO UNIT B VEHICULAR B VEHICULAR CHARGER UNIT CHARGER UNIT RC 3888A Figure 3 Typical Installation in Vehicle 3 ...

Page 8: ...Vehicular Repeater System to repeat any transmissions from the PE radio to a remote repeat base station for communications with a dispatcher or to other mobile radio units via a base 0 station repeater facility Another type of operation is the base to portable wherein a dispatcher s or other mobile radio units using a remote repeat base station can communi cate with the PE radio operator through t...

Page 9: ...r Repeater System The mobile radio will operate on the channel indicated by the control unit The PE radio channel select switch should be set to the designated repeat channel position When the PE radio is removed from the vehicular charger unit a switch closure in the vehicular charger causes a repeat enable signal to be applied to the logic circuitry in the vehicular repeater radio This in turn c...

Page 10: ...while the vehicular repeater channel select inputs are 1 of 8 with the selected channel input at ground potential The DELTA radio is capable of 32 channel operation 16 in mode A and 16 in mode B The interface box part of the cable detects all mode B channels channels 9 thru 16 of mode A and disables the repeater for those channels The repeater enable line is held high only for channels 1 thru 8 of...

Page 11: ...ng adjustment procedures should be LB131154 performed with the complete Vehicular Repeater System interconnected and power applied The options on channels Fl through F8 are chosen to meet the customer s need If optional mobile detector is present for non simplex channels certain diodes corresponding to frequency posi tions where mobile detector is used are removed from matrix CR1 through CR8 If op...

Page 12: ...re than 8 volts 3 Observe that the vehicular repeater keys with this 20 dB quieting signal Mobile Modulation Adjustment 1 2 3 4 APPLY an on frequency 1000 uV signal modulated with 1000 Hz to the vehicular repeater antenna jack Adjust MOB MOD ADJ control Rll on the vehicular repeater system board for 23 kHz deviation on mobile radio transmitter output Remove jumper from TP17 and TP8 i If optional M...

Page 13: ...e to the right as far as possible Adjust the VOLUME control until the noise is easily heard but is not annoyingly loud Now slowly turn the SQUELCH control counterclockwise to the left until the noise just fades out mobile radio is now ready to receive messages from other radios in the communication system To Transmit A Message 1 Turn the mobile radio on 2 Remove the microphone from the hookswitch ...

Page 14: ...witch on the vehicular charger to the on position The ON indicator will glow 3 Depress the REPEATER ENABLE pushbutton switch to the on position The ENABLE indicator will glow indicating the Vehi cular Repeater System is opera tional i 4 When Vehicular Repeater System operation is no longer required the REPEATER pushbutton switch l must be in the off position The ENABLE indicator will go out 27 A v...

Page 15: ...st the serviceman in troubleshooting the transmitter and receiver DISASSEMBLY To gain access to the unit for servicing MOUNTING FRAME LOCK MAINTENANCE LB131154 1 Unlock the radio See Figure 5 2 Loosen the two captive screws shown in Figure 5 3 Pull the radio forward about two inches out of the mounting frame and lift off top cover 4 To gain access to the bottom side pull the radio all the way out ...

Page 16: ...I E PLl9C320291 _ T B B G Q 3 t 4 CHASSIS ASM lSC321683 I RECEIVE XTAL PLl98226962 I 6 32X i 4 LG SCREW I3 PLACES AT D HE 19D423293 UHF 19D423346 HB lSD432696 UHF 19D432582 TRANSMIT XTAL PLl98226962 RCVR OSC MULTIPLIER 9 RECEIVE ASM FOR RECOVER APPL A SEE 19D423490 COVER BOTTDM _ 19c303911 COVER Top 19D402629 0 I E 0 I PLI In LOGIC 60 PLl9D429658 SYSTEM BD 32 NUT WASHER I SEE DETAIL A NOTE41 ECTIV...

Page 17: ...8209209P304 6 32 Xl 4 NOISE BLANKER PRE AMP 19D416662 TOP VIEW THD FORMING SCR AT D LOCATION BOTTOM VIEW NOISE BLANKER PRE AMP HIGH BAND L RX OSC MULTIPLIER l7GT l Ill A ANGLE 1 A 19822693lPl 1 THO FORMIiG SCR AT a LOCATION NP276499 MIF TOP COVER 19B22605OGi MIF ASM 19C320153 1 F DETECTOR 63 19C321662 L c 1 PAN HEAD L 198201074P304 26 32X l 4 _PRE AMP ASSY 1 19C320215 TOP VIEW j TtiD FORMING SCR B...

Page 18: ... 32 X l 4 THD FORMING SCR REMOVE NP280925 BEFORE ASSEMBLING n A I RX OSC MULTIPLIER A I t 19C32166263 a STRAP 1 LOCKA A 7763541Pl 15Al30634P2 RECEIVER UHF TOP VIEW MECHANICALPARTS BREAKDOWN 406 512 MHz RECEIVER ASSEMBLY 14 Issue 1 1 PAN HEAD I I I 98201074P305 6 32 X 5116 I THD FORMING SW I I 6 ANGLE A I 19822693lPl i PAN HEAD A E 19B201074P306 I r 6 32 X 3 0 I THO FORMING SCR I AT A LOCATION I I ...

Page 19: ...F24 V R 4 RPT ENABLE F2 SYSTEH BORRO 19042965861 I MOBILE OETECTOR flOTHER GORRO I 19042964761 9018 A SQ HI so A RH VSL HI SO SY f CI a F8 F7 J903 1 VOL SQ HI 2 3 4 i a 904 I 2 3 5 6 1 7 et 9 IO t 11 12 13 f 14 I5 16 I LOGIC BORRO 19C328461GlOR nOBILE NON CG INO k 3 I 19C331423Gl a 4 a 5 I nOBILE PTT 6 I MONITOR CRS 7 HOBILE TX ENRBLE 8 RPTR ENABLE 9 f 90 ENCOOE ENABLr 10 RPTR ENRBLE 11 HOBILE ms ...

Page 20: ...w ICH ICH ZCH ZCH ECH ECH SCH SCH rCH rCH w mm33a 93 As et IH 1OA SZH W E H W ZZH 300330 93 IZH AS Bt 4rEH 20 LB82C286 I Ifi II xi LCH 9CH OfH 6CH ICH ZW BCH bzi e L 9 S t i C 2 I w E i 109r II IO 3NOl IH 1OA 318WN3 3003N3 Il r s 3lEWN3 300330 3m330 061 AS B ...

Page 21: ...Y BR l 22 BR 4 Y R 7 W BR 8 7 1 I I 8f I 9 J t I I I W R I I I I 9 l4 I 22 136 146 _ W Y 14 Y BK 15 Y V 26 R 24 W 2s L 0 23 26 4 24 I f t 32 33 34 35 36 37 38 t SPRRE nrc LO MIC HI Fl F2 F3 F4 FS F6 F7 FB rr b OL SQ HI OL SP LO a I 1 I I U R I I W BK l I I R l I I W G 1 23 l L I 16 BR I I i 27 L 0 L I G s SHLD r 44 L 16 Y PBO2 L R I I I I 16 BK 25 7 f BK BATTERY BK I 7 k11 15 1 RpiJ BATTERY 3 f n ...

Page 22: ...rl 9rl sj tzl 53 23 13 01 3IW IH 3IW 01 DS lOh IH DS lOA Zd L I 01 03 iH 93 3iawsxa S3 W 318WN3 Xl W lClWlN03 lid 01 UUdS IH UUdS SW3 3lnw xu IH 3IW 07 3IW I 1OA MW DS WY 1Oh IH 1Oh C J AH311WS At1311Wa 01 93 IH 93 318WSIO 93 W 3laWN3 Xl w lOUNO _ w lid 01 WYdS IH t UdS SW3 3inw xtl 32 z r2 j 2 8 L 9 S WH A A A O M ws A A A 18 A H A ua fi 23 I A I Y t S z2 I Z A w9 Z I I I I ia I u 9 b IH 3IW 01 3...

Page 23: ...0 LEAD IDENTIFICATION LEAD IDENTIFICATION FOR Ql THRU QlO FOR U4 FLAT El 1 IN LINE I TOP VIEW I 0 A L IN LINE TOP VIEW 26 30 Y 37 J e 2 Jl 1 20 21 I I NOTE1 CASE SHAPE IS DETEkMINING FACTOR FOR LEAD NOTE1 CASE SHAPE IS DETERMINING FACTOR FOR LEAD IDENTIFICATION VIEW A OUTLINEDIAGRAM DELTA S SX and RANGR INTERFACE ADAPTER CABLE 18 ...

Page 24: ...9 I 91 n au OIOWtl S bll3C I 01 SC SE EZ ZZ CZ 22 erj LS IC cc t ZE t rz Olj Zl El 9i city f Y I z E I Sk b Y DE TFs n E b 73 EZ 181 A 91 ye 91 I fll OlHS __ ME zzjs I 1 t L q t d _ I LZll 9 1 8ZlH OlHS t Il 01 31c IH JIG t tl39tiWH3 tlWln3IH3h OdW Oi Y 7 bldtl 01 W w ZOEBf108861 ZOEd b 6 s S I L t lEN3 ldt 3iEWN3 Hlda I I X9 Elhi w Xl b Xl linw xb 3Y w IONbH3 33NWAOW ItlblW IX3 lbOlS 3 A 3 w 3 1s...

Page 25: ... 1 ...

Page 26: ... COVER REI OVE RADIO SISTER BMRD RfASWftE MER RCQIFICATIMI IS CURL ZE 0000 01 J OI I c c I t r e e z COMWfdfuT SIDE HEW ORLGINAl SYSTEM BOARD 011RAD10SYSTEnlwRD A REKWE Pa2AmPm B ADD JMPER FROM 5602 2 TO 5603 l c REmVEcHIPcAfwITORcsO5 D ADD aMPER FRU l 901 16 TO JSO3 2 E SOLDER ONE SI OF GO5 1947D225W113 SIM LIED IN KIT TO ICWl PIN 3 ADD JJHPER FRffl 5602 l TO OTHER SIDE OF 605 STMECW BLWTOICSO v ...

Page 27: ...R IWSTRIJCUOR IS FOR RMSR RAOIOWTH M MEL WARD J ofITH THE VEHICIUR REFfATER MVIffi CHARKEL BUMi BECOBER m USIRS HOD KIT 1w H57861 REMVE RMIOTCP CWER REME RNUO SISTER BMRD m AFTER KWFICATIOR IS CWl ETE wIRNGoSVSTEnlwtD A REmxPso2MPsa B ADDJMERFRM KO2 2TOJ6d6 1 C RERWE CHIP CWACITOR CM2 Il ADD JIMPER FRfM J Ol 4 TO JSC6 2 E SOLDER IME SIDE OF C 42 1 7022 W 113 WPLIED II KIT TO X601 PIP 3 ADD JJWER F...

Page 28: ...uted over ccaral r JhCkS X xmY td ipaccr u xeted oa clucn hP scre Pb x Fm bud an a 20 I 112 Secures m er xm re XXE LANBws Clbk Proz 0 zHC 1 x P2 to J1 Qbxe ppmx 1 feet hag J M Pm Cable ppmx 2 xscr oay J UI Pm cable LPPrnl 1 ieat xoor J to Pm c me LPPmx 2 met long P2 to Paa 41s ADDED DELETED OR CHANGED BY PRODUCTION CHANGI SYMBOL II P2 Pa02 790 PARTS LIST LPARTNO wd22 9 P2 XSC3 1409P L9a22a473o WU ...

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