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Maxon SP-300 manuale d’uso - BKManuals
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Maxon SP-300 manuale d’uso

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Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Maxon SP-300. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Maxon SP-300 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Maxon SP-300 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Maxon SP-300 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Maxon SP-300
- nome del fabbricante e anno di fabbricazione Maxon SP-300
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Maxon SP-300
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Maxon SP-300 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Maxon SP-300 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Maxon in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Maxon SP-300, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Maxon SP-300, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Maxon SP-300. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    SP -300 Series SERVICE MANUAL Maxon Am erica, In c. 10828 N.W . Airwor ld Dr . Kansa s City , MO 64153 T el : 816-891- 6320 Fax: 816-891 -8815 Part Num ber: 680 -100-0 155 April 20 01[...]

  • Pagina 2

    MAXON SP-300 HAND HELD Page -i- May 2 001 TABLE OF CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Pagina 3

    MAXON SP-300 HAND HELD Page -i i- May 2 001 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Exploded View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49[...]

  • Pagina 4

    Page - 1- May 2 001 MAXON SP-300 HAND HELD SPECIFICA TIONS GENERAL Equipment T ype . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hand portable Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UHF/ VHF Chann el Spacings . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Pagina 5

    MAXON SP-300 HAND HELD Page - 2- May 2 001 FREQUENCY BA NDS RX TX VHF: V2 148.00 0 - 174.000 MHz 14 8.000 - 17 4.000 MHz UHF: U2 440.00 0 - 470.000 MHz 44 0.000 - 47 0.000 MHz DIMENSIONS Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (141mm)H x (58 mm)W x (37 mm)D WEIGHT Radio . . . . . . . . .[...]

  • Pagina 6

    Page - 3- May 2 001 MAXON SP-300 HAND HELD T ransmitter Audio Distorti on (W ithout CTCSS) . . . . . . . . . . . . < 5% @ 1 kHz Hum & Noise: 12.5 kHz Chan nel Sp acing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 40 dB (with PSOPH) 25 k Hz Ch annel Spac ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Pagina 7

    MAXON SP-300 HAND HELD Page - 4- May 2 001 RX TONE DEMODULA TION CHARACT ERISTICS SUBAUDIO TONES - CTCSS T o ne Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Hz to 250.3 Hz Non-Stan dard T ones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Hz to 260 Hz Due to continuing r[...]

  • Pagina 8

    MAXON SP-300 Series HAND HELD Page - 5- May 200 1 SP-300 The SP-300 Series of portable radios from Maxon, utilizes the latest technolo gy in its desi gn and manuf acturing. Both the VHF and UHF models are PLL (Phase Lock Loop Syn- thesizer) / m i cropr ocessor con t rolle d, and of fer 1 or 5 watts of power with 4 & 16 channel capability . Mult[...]

  • Pagina 9

    MAXON SP-300 HAND HELD Page -6 - May 2 001 A priority chan nel can be selected while programming the radio. A pr i ority chan nel is a channe l that can be per iod i- cally checked or lo oked back to while rec ei ving on an y chan- nel in the scan list, or in normal operation. It can also be selected for all transmissio ns during scan mode. T o tra[...]

  • Pagina 10

    MAXON SP-300 Series HAND HELD Page - 7- May 200 1 VCO Lock Time The micro will allow more lock time for the VC O before the out-of -lock beep indication. Low Ba tter y Indic ation Low Battery Indication will be changed so that it does not inhibit RX and will allow one transmission after low cell is indicated. Low cell will not be indicated dur ing [...]

  • Pagina 11

    MAXON SP-300 HAND HELD Page - 8- May 2 001 The controls, indicators and antenn a connections on the VHF and UHF Scanning Handheld Series rad ios are all located on the top panel. The accessories socket is located on the rad io chassis right han d side. The monitor and P TT buttons are located on the radio chassis left hand s ide. DESCRIPTION OF CON[...]

  • Pagina 12

    MAXON SP-300 HAND HELD Page - 9- May 2 001 THEO R Y OF OP ERA TIO N The VHF and UHF scanning handheld series radio s are com- prised of one main PCB. The main PCB contains the trans- mitter , recei ver and control circuits. The cont rol circuits contain the micro co ntroller and associated digital circuits. DIGIT AL CIRCUITS IC 41 1 is a digitally-[...]

  • Pagina 13

    MAXON SP-300 HAND HELD Page -10- May 2 001 Mute (squelch) Circuit The mute circuit which is contro lled by the output of I C409 (micro) Pin 77 (386EN) is con nected to Q34 via R122 which mutes t he LM386IC on t he RF cir cuits. Pin 77 also control s IC402B which mutes the audio path to th e RF circuits. TX Audio And Filter Circuits The TX audio fro[...]

  • Pagina 14

    MAXON SP-300 HAND HELD Page -11- May 2 001 RF CIRCUITS PLL S YNTHESIZER 12.8 MH z TCXO The TCXO contains the 3 -stage thermistor network compen- sation an d crystal oscillat or and modulati on ports . Compen- sation i s +/-5 PPM or l ess fr om -30c to +60c. PLL IC Du al Modules P rescaler Input fr equency of 12 .8 MHzto IC2 MC145 19 pin 20 is divid[...]

  • Pagina 15

    MAXON SP-300 HAND HELD Page -12- May 2 001 filters provide the adjacent channel selectivity o f 25 kHz or 12.5 kHz bandwidt h. Squelch (mute) Circuit The squelch circuit switches of f t he power amplif ier when no audio si gnal is present. The squelch circuit consist s of a 16 kHz band pass filter and a noise detector circu it . 16 kHz Band Pass Fi[...]

  • Pagina 16

    Page -13- May 2 001 MAXON SP-300 HAND HELD MAINTENANCE AND REP AIR GENERAL Any r epair or ad jus tment shoul d onl y be m ade b y or un der the supervision o f a qualified radio serv ice technician. When removing o r fitting, use the Exp loded V iew and Parts List (Page 51) in con j unction with the following p rocedures: REMOVING & REPLACING T[...]

  • Pagina 17

    Page -14- May 2 001 MAXON SP-300 HAND HELD REMOVING & REPLACING THE BA TTER Y T o remove the battery: 1. Holding t he radio chassis i n one hand, press and hold the battery releas e catch on the u pper back of the radio wi th t he other ha nd. 2. Pull the battery back and away from the radio. 3. Remo ve the batte ry fro m the r adio. T o rep la[...]

  • Pagina 18

    Page -15- May 2 001 MAXON SP-300 HAND HELD 2. By placing thumb under bot tom of the P TT assembly and ge ntly pul ling out ward, un plug P TT Assembl y from Main Board. T o rep lace the P TT assembly : 1. Reverse the steps taken to remove the P TT assembly . 2. Insure that the P TT jack is aligned properly when inserting into Main Board. REMOVING &[...]

  • Pagina 19

    Page -16- May 2 001 MAXON SP-300 HAND HELD REMOVING & REPLACING THE BACK COVER T o remo ve the Back Co ver: 1. Remove battery . (Refer to Removing & Replacing the Battery) 2. Unsc rew the four Ba ck Co ver m ountin g scr ews located on the B ack Cover of the radio. 3. Remove the Back Cover by pulling the lower bat tery bracket away fro m th[...]

  • Pagina 20

    Page -17- May 2 001 MAXON SP-300 HAND HELD REMOVING & REPLACING THE MAIN BOARD T o remov e the Main Board: 1. Remove the Battery (Refer to Removing & Replac- ing the Battery). 2. Remove the P TT Assembly ( R efer to Removing & Replacing t he P TT Assembly). 3. Remove the Dus t Cap ( Refer to Rem oving & Replacing t he Dust Cap). 4. [...]

  • Pagina 21

    Page -18- May 2 001 MAXON SP-300 HAND HELD T o rep lace the M ain Board 1. Reverse the steps taken to remove the Main Board. 2 . When installing the Main Board into the chassis insure that the LED light guid e is aligned properly . 3. When i nstalling the Main Board into the chassis, place 2 fingers ov er the black rubber contro l knob dust cover s[...]

  • Pagina 22

    MAXON SP-300 HAND HELD Page -19- May 2 001 REMOVING & REPLACING THE DAUGH- TER BOARDS The Daughter Board s are soldered into th e Main Board Assy . 1. Remove the Main Board (Refer to R emoving & Replacing the Main B oard). 2. Unsolder the appropriate Daugh t er Board from the Main Board Assembly . T o Replace a Daught e r Board: 1. Ensure t[...]

  • Pagina 23

    MAXON SP-300 HAND HELD Page -20- May 2 001 4. It may be necessar y to r emove excess solder using a vacuum de-sold ering tool or Solder wick . Again, use great car e when de-so ldering or s o ldering o n the printed circuit board s. It may also be necess ary to remove the epoxy adhesive t hat was under the surface mount co mponent and an y flux on [...]

  • Pagina 24

    MAXON SP-300 HAND HELD Page -21- May 2 001 PROGRAMMING The SP-300 Series portabl e radios require th e ACC-2300 programming cable. W ith the 25 pin “D” typ e connector installe d on the comput er , take the other en d of the program- ming cable and insert it in the receptacle located on the opposite s ide of the P TT on the radio. For further i[...]

  • Pagina 25

    MAXON SP-300 HAND HELD Page -22- May 2 001 15. Disconn ect the test equipm ent. Should repairs be required, the following procedures should be ap plied: RX VCO 1. Set the unit t o the highest receive freq uency , 470 MHz(UHF), 174MHz(VHF) and adjust the VCO L303 to 10 volts . 2. Set the unit to the lowest receive frequency 44 0 MHz(UHF), 148(VHF) a[...]

  • Pagina 26

    MAXON SP-300 HAND HELD Page -23- May 2 001 TEST EQUIPMENT SETUP 154.625445681125661 W ATT METER 20dB AUDIO MODULA TION- METER AUDIO GENERA TOR DC POWER SUPPL Y RADIO OSCILLOSCOPE SPECTRUM ANAL YZER FREQUENCY COUNTER VOL T METER DC POWER SUPPL Y RADIO OSCILLOSCOPE SINAD METER DISTORTION METER SSG 3K Dev @ 1K (25 kHz Channel Spacing) 1.5K Dev @ 1K (1[...]

  • Pagina 27

    MAXON SP-300 HAND HELD Page -24- May 2 001 ALIGNMENT POINTS DIAGRAM ALIGNMENT POINTS VHF & UHF WITH TCXO MODULE ALIGNMENT POINTS UH F WITH OUT TCXO MODULE RV2 RV4 T1 RV1 RV3 TCXO1 TC7 01 L203 L303 RV401 RV403 RV402 TP1 RV2 RV4 T1 RV1 RV3 L203 L303 RV401 RV403 RV402 TP1 RV5[...]

  • Pagina 28

    MAXON SP-300 HAND HELD Page -25- May 2 001 TROUBL ESHO OTING GUIDE SYMPTOMS CAUSES COUNTER MEASURES 1. Complete discharge of battery (7.5v+/-10%) 1. Replace battery Unit does not Work 2. Fuse blown up (4a) 2. Replace fuse 3. 5v voltage source 3. IC1 (5v+/-0.2v) 1. Low battery (lower than 5.6v) 1. Replace or charge battery W arning T one & No Wo[...]

  • Pagina 29

    MAXON SP-300 HAND HELD Page -2 6- May 2 001 VOL T AGE CHARTS z NOTE: Q402 an d Q409 are not fitted on this model series . z NOTE: Q9, 10, 15 , 19, 20, 23 and 28 - 32 are not fitted on this model series . z NOTE: ~ indicates approximate voltage. Actual v oltage may vary . CONTROL CIRCUIT RX TX REF # B C E B C E Q401 4.4 0. 0 5.0 0.3 5.0 5.0 Q403 0.0[...]

  • Pagina 30

    Page -27- May 2 001 MAXON SP-300 HAND HELD z NOTE: IC4, 403 and 405 are not fitted on this model series. RECEIVE ST A TE PIN # IC1 IC2 IC3 IC5 IC6 IC401 IC402 1 GND 1.6 - 4.0 1.4 0.0 0.0 2 GND 5.0 - 3.5 GND 1.0 0. 0 3 GND 5.0 - 4.0 0.0 1.3 AUDIO 4 5.0 5. 0 - 4.1 GND 0.0 0.0 5 GND 5.0 - 3.8 AUDIO 0.0 5.0 6 7.5 0. 0 - 3.8 7.5 0.0 0.0 7 0.0 - 3.8 4.0 [...]

  • Pagina 31

    MAXON SP-300 HAND HELD Page -2 8- May 2 001 TRANSMIT ST A TE PIN # IC1 IC2 IC3 IC5 IC6 IC401 IC402 1 GND 1.6M 0.0 - 1.3 1.9 0.0 2 GND 5.0 0. 0 - GND 1.9 0.0 3 GND 5.0 0. 0 - 0.0 1.9 0.0 4 5.0 5. 0 GND - GND 1.9 0.0 5 GND 5.0 - - 1.5 0.0 0.0 6 7.5 0. 0 - - 7.5 0.0 0.0 7 0.0 - - 7.5 0.0 GND 8 0.0 5. 0 - 1.5 1.9 0.0 9 5.0 - 1. 9 2.1 10 2.6 - 2. 1 0.0 [...]

  • Pagina 32

    MAXON SP-300 HAND HELD Page -29- May 2 001 SP-300 SERIES UHF & VHF DIGIT AL SECTION P A RTS LIST RE F# DE SC RI PT IO N P AR T# DIGIT AL SECTION VHF& UHF (C OMMON P ARTS) PTT SWIT CH BOARD (SEE NO TE1) 650- 180-001 7 FUSE BOARD ASSY 650-200-0004 C136 CAP ,T A, 100UF 2 93D107X 0006E2T6V 102-013-3 107 C400 CAP ,CER, 0.0068UF ,50 V ,5 %,X7R,1/[...]

  • Pagina 33

    MAXON SP-300 HAND HELD Page -30- May 2 001 RE F# DE SC RI PT IO N P AR T# Q413 TRAN S,BRT ,N PN,KRC104 S,SOT -23,SW ,ND 8 70-020-0 001 Q416 TRANS,BRT ,PNP ,KRA1 10SPK,SOT-23,SW ,PK 870-010- 0010 Q417 TRAN S,PNP ,K T A1504( Y),SOT-2 3,SW 870- 100-000 4 Q701 FET , 2SK 1579-TM OS 8 70-030-0 001 Q702 TRAN S,,NPN, KTC3 875S(BL) 8 70-20 0-0006 R9 RES,TF [...]

  • Pagina 34

    MAXON SP-300 HAND HELD Page -31- May 2 001 SP-300 SERIES VHF RF SECTION P ARTS LIST RE F # DE SC RIP TI ON P AR T # REPLACEMENT MODULES FRONT ENDASSY , VHF(SEE NOTE 1) 650-1 10-0012 VCOTX/RX ASSY , VHF (SEE NOTE 1) 650-030-0021 POWERAMP ASSY , VHF(SEE NO TE 1) 650-230-0012 TCXO ASSY , VHF(SEE NOTE 1) 650-100-0002 COMPONENTS C1 CAP ,CER, 0.001UF ,10[...]

  • Pagina 35

    MAXON SP-300 HAND HELD Page -32- May 2 001 RE F # DE SCR IP TI ON P AR T # C128 CAP ,T A, 10UF , 20%,16V ,32 16 102-02 3-1 106 C129 CAP ,ELE,1 0UF , 16V20%3X5 5.0PT 081-03 2-3106 C131 CAP ,CER ,0.01UF ,5%,5 0V ,X 7R,0603 1 00-521-1 1 03 C132 CAP ,T A, 4.7UF ,20V ,3528:29 3D475X 0020B2T2 0V 102-04 3-1475 C133 CAP ,T A,1.0UF , 20% ,16 V ,3216 10 2-03[...]

  • Pagina 36

    MAXON SP-300 HAND HELD Page -33- May 2 001 RE F # D ES CR IP TI ON P A RT # R31 RES,TF ,300,1/ 16W ,5%,T 1 608 741-10 2-130 1 R32 RES,TF ,300,1/ 16W ,5%,T 1 608 741-10 2-130 1 R33 RES,TF , 3.3K,5% ,1/16W,+/-200,0603 7 41-102-1 332 R34 RES,TF , 18,1/1 6W , 5% ,T 1608 741-102-1 180 R36 RES,TF , 0,5%,1/1 6W , +/-200,0 603 741-102-1 000 R37 RES,TF , 3.[...]

  • Pagina 37

    MAXON SP-300 HAND HELD Page -34- May 2 001 SP-300 SERIES UHF RF SECTION P ARTS LIST RE F # DES CR IPT IO N P AR T # REPLACEMENT MODULES FRONT ENDASSY , UHF (SEE NOTE 1) 650 -1 10-0013 VCOTX/RX ASSY , UHF (SEE NOTE 1) 650-030-0020 POWERAMP ASSY , UHF (SEE NOTE 1) 650-230-0013 COMPONENTS C1 CAP ,CER,4 70PF , 10%,50V ,X7R ,0603 100- 621-147 1 C2 CAP ,[...]

  • Pagina 38

    MAXON SP-300 HAND HELD Page -35- May 2 001 RE F # D ES CR IP TI ON P A RT # C127 CAP , CER, 0.01UF ,5%,50 V ,X7R ,0603 100-52 1-1 103 C128 CAP , T A, 4. 7UF ,20%,1 0V ,3216 102-0 23-0475 C129 CAP , EL E,10UF ,16V 20% 3X5 5.0 PT 0 81-032-3 106 C131 CAP , CER, 0.01UF ,5%,50 V ,X7R ,0603 100-52 1-1 103 C132 CAP , T A,4.7UF ,20V ,3528:2 93D475 X0020B2T[...]

  • Pagina 39

    MAXON SP-300 HAND HELD Page -36- May 2 001 RE F # DES CR IP TI ON PART # R25 RES,TF , 4.7K,5% ,1/16W,TC250,0603 741-10 7-1472 R26 RES,TF , 18,1/1 6W , 5% ,T 1608 741-102-1 180 R27 RES,TF , 4.7K,5% ,1/16W,TC250,0603 7 41-107-1 472 R28 RES,TF ,220,1/ 16W ,5%,T 1 608 741-10 2-122 1 R31 RES,TF ,300,1/ 16W ,5%,T 1 608 741-10 2-130 1 R32 RES,TF ,300 ,1/1[...]

  • Pagina 40

    MAXON SP-300 HAND HELD Page -37- May 2 001 RE F# DE SC RI PTI O N P AR T# TCXO TCX O, KXN134 3A,12.8 M,2.0PPM 150-00 0-0003 TH1 THERM ,33K,N TCCS321 63SH333K C 700-0 50-0002 U3 IC, OP AMP ,LM3 58M,SO-8,DUA L OP AMP 441-030 -0006 U6 IC, AUDIO AMP ,LM386 M-1,0 .33W , SO-8 441-040 -0002 U8 IC, OP AMP ,LM3 58M,SO-8,DUA L OP AMP 441-030 -0006 VR3 POT , [...]

  • Pagina 41

    MAXON SP-300 HAND HELD Page -3 8- May 2 001 COMPONENT PINOUT BASE DIAGRAM MANUFACTURER'S PART NUMBER REFERENCE NO. SCHEMATIC Q202,203,302,303,601 2SC5084 MMBR951 Q16,17,501,601 BFR92A Q12,16,25 KTC3875S (BL) Q6,11,13,14,21,26,27 Q7,8,33 KTA1504SY KRC104S (ND) Q18,23,24,28,31,32,34,403, Q404,405,411,413 KRA104S (PD) Q5,410,412 KRA101S (PA) Q406[...]

  • Pagina 42

    Page -39- May 2 001 MAXON SP-300 HAND HELD BASE DIAGRAM MANUFACTURER'S PART NUMBER REFERENCE NO. SCHEMATIC D9 ND433G B C E KTA1663 Q22 Q502 BLT50 E C B BLT52 Q503 54 3 2 1 6 7 8 1 2 3 1.BASE 2.COLLECTOR 3.EMITTER 3.EMITTER 4.COLLECTOR 2.BASE 3 2 1 4 1.EMITTER 8 7 6 6,7:COLLECTOR 2,3:BASE 1,4,5,8:EMITTER 5 1 2 3 4 D201,202,301 1SV229 A K SM4004[...]

  • Pagina 43

    MAXON SP-300 HAND HELD Page -4 0- May 2 001 PIN DESCRIPTION 1 BASE DIAGRAM Input GND 2 3 Vcc (Pre Drive) Vcc Control (Drive) 4 5 Vcc (Final) Output 6 7 GND No Description 6 Output GND 5 4 B (4V) 2 GND Input 1 + Gnd 7 6 TX Out Gnd 5 4 RX Vcc Gnd 3 2 RX Out Gnd 1 8 TX Vcc 1 Modulation GND 2 Out 3 4 Vcc (5V) RX/TX VCO RX Front-End GND 1 2 4 5 6 RF Pow[...]

  • Pagina 44

    PAGE -41- May 2001 SCHEMA TICS & BLOCK DIAGRAM VHF FRONT-END (148-174 MHz Band Show n) Schematic P/N: 77 0-1 10-0012 Rev . C PCB Assy . P/N: 650-11 0-0012 Rev C Notes: 1. ALL V ALUES AR E IN OHMS, MICROHENRIES OR MICRO F AR- ADS UNLESS OTHERWISE SPECI- FIED. 2. AL L RESISTORS ARE 1/10W 5% UNLESS OTHERWISE SPECIFIED. Notes: 1. ALL V ALUES ARE IN[...]

  • Pagina 45

    PAGE -42- May 2001 VHF V .C.O. (148-174M Hz Band Show n) Schematic P/N: 7 70-030-0021 Rev . B PCB Assy . P/N: 650-030-0021R ev . B UHF V .C.O. (440-470MHz Band Shown) Schematic P/N: 7 70-030-0018 R ev . D PCB Assy . P/N: 650-030-0020 Rev . A Notes: 1. ALL V ALUES AR E IN OHMS, MICROHENRIES OR MICROFAR- ADS UNLESS OTHERWISE SPECI- FIED. 2. AL L RESI[...]

  • Pagina 46

    PAGE -43- May 2001 Notes: 1. ALL V ALUES AR E IN OHMS, MICROHENRIES OR MICROFAR- ADS UNLESS OTHERWISE SPECI- FIED. 2. AL L RESISTORS ARE 1/10W 5% UNLESS OTHER WISE SPECIFIED. TCXO Schematic P/N: 7 70-100-0002 R ev . D PCB Assy . P/N: 650-100-0002 Rev . D ACC-200 BA TTERY Schematic P/N: 770 -210-0010 Shown for r eference only FUSE Schematic P/N: 77 [...]

  • Pagina 47

    PAGE -44- May 2001 Digital Schematic 1 2 3 4 5 6 7 8 9 10 11 12 VOLUME P/S 5V 386 EN N/S SW SPK CHARGE PWR H/L ALERT AUDIO PLL EN LOCK D/T RX EN TX EN BUSY CLOCK DATA TCXO MOD TX 5V 1.DATA 2.CLOCK 4.+7.5V 7.GND 8.MIC+ 10.INT_SPK_MIC_DSBL 11.SPKR+ X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 X 14 Y 15 Z 4 16 7 8 IC411 N . I N V 2 1 V O 2 2 F [...]

  • Pagina 48

    PAGE -45- May 2001 VHF RF Schematic MOD 1 2 3 4 5 6 7 8 MIXER PWR H/L G A 1 1 - I N 2 + I N 3 G N D 4 O U T 5 V C C 6 B . P 7 G A 2 8 AUDIO AMP OSO 1 LD 2 *R 3 *V 4 VPD 5 PD 6 GND 7 RX 8 FIN 10 FIN 11 VCC 12 VDD 14 EN 17 CK 18 DT 19 OSI 20 TST1 9 TST2 13 O/B 15 O/A 16 MC145191F PLL EN DATA CLOCK 43 TCXO 12 2 1 M I X I 1 6 O S C 1 1 Q U A D 8 D C O [...]

  • Pagina 49

    PAGE -46- May 2001 UHF RF Schematic 6 TX 5V 1 D20 KDS160 R43 10K MOD C57 470P MOD 2 4 3 5 7 4 PWR H/L STREENG 5 6 1 2 G A 1 - I N + I N G N D O U T V C C B . P G A 2 LM386N-3 AUDIO AMP OSO 1 LD 2 *R 3 *V 4 VPD 5 PD 6 GND 7 RX 8 FIN 10 FIN 11 VCC 12 VDD 14 EN 17 CK 18 DT 19 OSI 20 TST1 9 TST2 13 O/B 15 O/A 16 MC145191F PLL EN DATA CLOCK OUT B+ TCXO1[...]

  • Pagina 50

    PAGE -47- May 2001 Block Diagram REVISIONS CHG BY DATE DESCRIPTION DESCRIPTION RELEASED TO MANUF ACTURING REV A DGC 03/01 TITLE SCALE SHEET OF SIZE DOCUMENT NUMBER B 1 1 NA SP-300 Series SYSTEM ELECTRICAL BLOCK DIAGRAM 060-***-**** LEVEL SHFTER Q6,7,8,11 TCXO1 FRONT END R V C21,C22 REF L.P.F . Q202/203 TX VCO CONT TX VCO Q16/Q17 TX 5V TX BUFFER P.A[...]

  • Pagina 51

    PAGE -48- May 2001 PCB LA YOUTS Board Layout (T op) Main Board Assembly 416121B Board Layout (Bottom) Main Board Assembly 416121B Board Layout J3 VR3 CH404 FON1 TCXO1 D5 L13 C132 L11 C75 R70 L16 L17 C701 LED1 C136 RV2 RV4 R93 T1 C74 L8 C73 L7 C76 VR1 RV3 Q22 R54 R53 C65 L15 C93 R65 T2 C87 L14 LK100 XF1 X1 L18 XF2 IC5 CF1 CF2 TX1 D407 W1 T3 C484 C48[...]

  • Pagina 52

    PAGE -49- May 2001 m a x o n 2 11 21 24 23 7 14 13 40 41 39 36 42 54 26 25 27 VHF UHF 1 550-021-0025 UPPER COVER ASS'Y PART NAME PART NO. NO. 2 490-070-0035 NAME PLATE 3 5 6 7 8 8-1 9 10 11-1 13 14 15 16 17 18 19 20 21 33 39 38 37 36 35 34 32 31 11 1 4 3 22 16 18 19 20 X2 32 33 X2 X2 29 15 45 46 47 49 50 X2 51 X2 55 X2 12 28 30 9 10 43 X2 48 1[...]