Instruction/ maintenance manual of the product 7780 EFJohnson
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First Printi ng Nov ember 1999 778x (800 MHz) SMAR TNET™/Smar tZone®/Con v ent ional 7 . 5V D C ,1a n d3W a t t s 806-824 MHz T ransmit 851-870 MHz Receiv e P ar t No .
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7780-SERIE S SMAR TNET /SMAR TZONE /CONVENTIONAL FM TW O-W A Y POR T ABLE RADIO 7.5 VDC 806-824 MHz T r ansmit, 851-870 MHz Receiv e 1-W att (Low P ow er), 3-W atts (High P o wer) P ar t No . 242-778x-50x Copyright ©1999 by th e E.F . Johnso n Company E.
T ABLE OF CONTENTS ii November 19 99 Part No. 0 01-7780-500 T ABLE OF CONTENTS 1 GENERAL INFORMATION 1.1 SCOPE OF MANUAL ........ ..... ....... 1 - 1 1.2 EQUIPMENT DE SCRIPTION . ........ .... 1 - 1 I n t r o d u c t i o n ...... ............... .....
T ABLE OF CONTENT S (CONT’D) iii Novembe r 1999 Part No. 0 01-7780-500 T ABLE OF CONTENTS P C T r u n kS o f t w a r eI n s t a l l a t i o n .......... .... 3 - 1 Connecting RPI To Computer and Transceiver . 3-2 Starting and Exiting . . . . . . . .
T ABLE OF CONTENT S (CONT’D) T ABLE OF CONTENTS iv November 19 99 Part No. 0 01-7780-500 6.3 MODULATION BALANCE ............ .... 6 - 4 6.4 AUDIO DEVIATION ....... ........ ....... 6 - 5 6.5 DATA DEVIATION ........... ............ 6 - 5 6.6 SQUELCH ADJUST .
1-1 Nove mber 1999 Part No. 0 01-7780-500 GENERAL INFORMA TION SECTI ON 1 GEN ERAL INFORMA TION 1.1 SCOPE OF MANU AL This s ervice m anual con tains ope rating, p rogram- ming, a lignmen t, and s ervice i nformat ion for the E.F . Johnson 7 780 800 MHz portable t r a nsceiver .
GENERAL INFORMATION 1-2 November 1999 Part No. 0 01-7780-500 RIFKDQQHO VGHFUHDV HVDVWKHQXP EHURI6PDU W1HW V VWHPV LQFUHDVH V7KHSU RJUDPPLQ JVRIWZDU H GLVSOD V.
GENERAL INFORMATION 1-3 Nove mber 1999 Part No. 0 01-7780-500 Cust omer Ser vice De partmen t can be reached using one of t he following tel ephone n umbers: T oll-Free: (8 00) 328-391 1 (Fro m within continent al United St ates only) Internat ional: (507) 835-691 1 F AX: (507) 83 5-6969 E-M ail: First Ini tial/L ast Name@e fjohns on.
GENERAL INFORMATION 1-4 November 19 99 Part No. 0 01-7780-500 are time s when the t echnicia ns have sp ecific que stions that ne ed to be ans wered in order t o completel y iden- tify and re pair a proble m.
GENERAL INFORMATION 1-5 Nove mber 1999 Part No. 0 01-7780-500 tion. When el ectrica l equipment is given th i s ra ting, the equipment is con sidered inca pable of relea sing suf fi- cient e lectr ica.
GENERAL INFORMATION 1-6 November 19 99 Part No. 0 01-7780-500 1.11 A CCESSING P C BO ARDS 1.11.1 INTRODUCTION The RF un it is lo cated under the b ack cove r and the log ic unit is locat ed under th e fro nt cover . Th ese boards conne ct together using a 30-pin connec t or on the bo ttom s ide.
GENERAL INFORMATION 1-7 Nove mber 1999 Part No. 0 01-7780-500 1.11.4 REMOVING RF UNIT 1. Rem ove the five sc rews attac hing the shie ld to the PC board. 2. Remove the two screws s ecuring the RF power module to the chassi s. Then remove the four stand - of fs attaching t he RF boar d to the c hassis.
GENERAL INFORMATION 1-8 November 19 99 Part No. 0 01-7780-500 7780 SPECIFICA TIONS The following are general specifications intended for use in testing and s er vicing the transceiver . For current advertised specifications, refer to the 7780 product infor mation sheet available from your E.
2-1 Nove mber 1999 Part No. 0 01-7780-500 TRANSCEIVER OP ERA TION SECTIO N 2 TRANSCEI VER OPERA TIO N 2.1 FEA TURES 2.1.1 GENERAL FEATURES • 16 zones wit h home zone select • 16 chan nels per zone (256 c hannel s total) • Radio-wi de scan • T ime-out timer • LCD 8-ch aracter alphanumer i c displa y with 12 stat us annun ciators 2.
TRANSCEIVER OPE RATION 2-2 November 19 99 Part No. 0 01-7780-500 Figure 2-1 Limited K eypad Model 2.2.2 T OP P AN EL I NDICATORS TX Indicator (Red) - Indi cates when the trans mitter is key ed. RX Ind icator (G r een) - Indi cates that the ch annel may be busy because a carrier is bei ng detected.
TRANSCEIVER OPE RATION 2-3 Nove mber 1999 Part No. 0 01-7780-500 Figure 2-3 Displa y Low Batter y Monit or Mode T al k -Around Mode Radio- Wide Scan In Scan List Scan Enabled Low T x Po w e r Busy Channel Priority Channel Priv ate Call T ele phone Call Key pa d Lo cked K eypad P rog.
TRANSCEIVER OPE RATION 2-4 November 19 99 Part No. 0 01-7780-500 BUSY - A busy syst em or transmit channel i s being detect ed by the Busy Chan nel Lockout feat ure (see Section 2.4.5 ). - The batt ery needs re charging (s ee Sectio n 2.3.6). - The keypa d has been locked b y pressin g the Keypad Lock option swit ch (see Sect ion 2.
TRANSCEIVER OPE RATION 2-5 Nove mber 1999 Part No. 0 01-7780-500 2.3.6 LOW BATTER Y INDICATION When the batt ery voltage falls below a pre set level, t he ic on appears in the dis play .
TRANSCEIVER OPE RATION 2-6 November 19 99 Part No. 0 01-7780-500 chann el it can be programm ed for times fr om 15 seconds u p to 3 minutes, 45 seconds o r disabled (not used). If the tr ansmitter is ke yed continuous ly for long er than the prog rammed time, t he transmitt er is disabl ed and an invalid condit ion tone sounds .
TRANSCEIVER OPE RATION 2-7 Nove mber 1999 Part No. 0 01-7780-500 • T o turn radio wide scanni ng off, p ress the Radio W ide Scan option switch again . The icon is then n o longer indicat ed and “R WS OFF ” is display ed briefly . • If the zone or channel i s changed while radio w ide scannin g, radio wide scanning cont inues normall y .
TRANSCEIVER OPE RATION 2-8 November 19 99 Part No. 0 01-7780-500 ation) . Monitor ing bef ore tra nsmitting may not oc cur auto matical ly in th is mode, s o the chan nel may have to be manua lly moni tore d before t ransmitting (see Section 2.
TRANSCEIVER OPE RATION 2-9 Nove mber 1999 Part No. 0 01-7780-500 2.4.4 MONITO R MODE The monitor mode te mporari ly disables squ elch control fe atures (suc h as Call Guard squelch) so that all mess ages are hear d on the selecte d channel. It al so overri des the Busy Channel Lock out feature (s ee next sectio n) and temporaril y halts s canning.
TRANSCEIVER OPE RATION 2-10 November 19 99 Part No. 0 01-7780-500 to that channe l are then reassigned to all t he other channels in the current zone. Th e reassi gnments remain in e f fect eve n af ter power is cyc led. 3. T o restore all Call Guard code s in the current zone t ot h eo r i g i n a ls e t t i n g s ,p r e s st h e“ 0 ”k e y .
TRANSCEIVER OPE RATION 2-11 Nove mber 1999 Part No. 0 01-7780-500 1. Press the Scan option switch to enab le scanning. The current ly selected scan list is momen tari ly indicat ed as “Scan x”, where “x” i s the li st number (1-3 ).
TRANSCEIVER OPE RATION 2-12 November 19 99 Part No. 0 01-7780-500 channel is sampled while listenin g to a mes sage on some other channel. The pri ority sampli ng times are pro grammed b y the follo wing parameters : Lookback T ime A - This time determin es how often the prio rity chann el is checked fo r act ivity .
TRANSCEIVER OPE RATION 2-13 Nove mber 1999 Part No. 0 01-7780-500 Post-TX ANI - A preprogrammed ANI sequenc e is auto matical ly sent each time you r elease th e P TT switc h. Disabled - All DTMF signa ling is disabled. 2.5 SMARTNET/SMAR TZO NE FEA TURES 2.
TRANSCEIVER OPE RATION 2-14 November 19 99 Part No. 0 01-7780-500 2. Enter the index of the desired I D if you kn ow it or scroll th rough the list using the and keys until y ou find th e d esired I D. Press t he CLR ke y to cancel the cal l. 3. Press the P TT switch or the ENT key to initiat e t he call.
TRANSCEIVER OPE RATION 2-15 Nove mber 1999 Part No. 0 01-7780-500 display ed. When the system is no lo nger busy , the call back tone (four beep s) is heard and your radio auto matical ly starts tr ansmitting. Pr ess t he P TT s w i t c ht oc o n t i n u et h ec a l l .
TRANSCEIVER OPE RATION 2-16 November 19 99 Part No. 0 01-7780-500 2. T o answer the call , pres s the Priv ate Call option switch and then the P TT switch and begin talki ng. The priva te call mode is i ndicate d by “ C ”i nt h e upper part o f the display .
TRANSCEIVER OPE RATION 2-17 Nove mber 1999 Part No. 0 01-7780-500 • If an out-o f-range co ndition ex ists or the radio system i s not in servi ce, “LOST CALL” is display ed a nd a con tinuous tone sounds. End the cal l by pressi ng the CLR key .
TRANSCEIVER OPE RATION 2-18 November 19 99 Part No. 0 01-7780-500 Answering a Page 1. When a page is r eceived, the display alt ernatel y indicat es “P AGE RCV” and the alias of the curr ent channel and a recurri ng received page tone sounds (six be eps) sounds .
TRANSCEIVER OPE RATION 2-19 Nove mber 1999 Part No. 0 01-7780-500 Emer gency Calls An emer gency call ur gently reque sts acce s s t o a voice c hannel . T o pla ce this call, pro ceed as foll ows: 1. Select a SMAR TNET/SmartZone channe l that has this fe ature enabled and press th e Emer gency o ption switch.
TRANSCEIVER OPE RATION 2-20 November 19 99 Part No. 0 01-7780-500 current ly registe red on a site, “SITE x” is displayed, w h e r e“ x ”i st h es i t en u m b e r . I ft h es i t ei sl o c k e d( s e e following) , “LOCK x” is displayed instead .
TRANSCEIVER OPE RATION 2-21 Nove mber 1999 Part No. 0 01-7780-500 Six Beeps • The paged r adio received t he page and acknowl - edged it (Sect ion 2.5.7). • The mess age that was sent has been r eceiv ed and acknowled ged (Section 2.5.8). • The s tatus co nditio n that was sen t has been rec eived and acknowl edged ( Section 2 .
TRANSCEIVER OPE RATION 2-22 November 19 99 Part No. 0 01-7780-500 2.7.4 CHA NNEL CHANGE P ARAMETER The “CHAN CHG” menu par ameter select s the conventi onal chan nel to be reprogr amm e d. Disable d or SMAR TNET/SmartZon e channels cannot be selected .
3-1 Nove mber 1999 Part No. 0 01-7780-500 TRANSCEIVER P R OGRAMMING SECTION 3 TRANSCEIVER PROGRAMMING Figure 3-1 Progra m ming Setu p Remote Programm ing Interf ace (RPI) P ar t No. 023-9800-000 RPI-T ranscei v er Programmin g Cab le P ar t No. 597-2002-123 3.
TRANSCEIVER PR OGRAMMING 3-2 November 19 99 Part No. 0 01-7780-500 Windows 95/ 98 - Se lect Start > Settin gs > Con trol Panel and double click “Add /Remove Programs”.
TRANSCEIVER P ROGRAMMING 3-3 Nove mber 1999 Part No. 0 01-7780-500 System - Th ese screens prog ram the parameters that are unique to the dis played Conve ntional, SMAR TNET , or SmartZone system. The sy stem to be edit ed is selected as des cribed in Section 3.
TRANSCEIVER PR OGRAMMING 3-4 November 19 99 Part No. 0 01-7780-500 3.2.2 PROGRAMMING RADIO W I DE P ARAMETERS 1. T o display the Radio W ide sc reens, cl i c k the Radio W ide button or select W indow > Radio W ide Parame ters in the menu bar (see Section 3.
TRANSCEIVER P ROGRAMMING 3-5 Nove mber 1999 Part No. 0 01-7780-500 Open - Opens a programmi ng file that wa s previou sly saved t o disk. If a modif ied file i s current ly open, yo u are a sked if th at file sh ould b e saved be fore th e new file is ope ned.
TRANSCEIVER PR OGRAMMING 3-6 November 19 99 Part No. 0 01-7780-500 3.3.7 HELP MENU Contents - Displa ys the he lp syste m table o f contents . Sear ch For Help On - Displays the sear ch dialog box that allo ws searching for a help topic by keywor d. About PCT runk - Displays th e softw are versi on number of PCT runk and the address of the E.
TRANSCEIVER P ROGRAMMING 3-7 Nove mber 1999 Part No. 0 01-7780-500 Radi o Wide Sca n List NOTE: The radio-wide scan lis t cannot be pr o- grammed until all c hannels to be include d have been set up as descr ibed in th e Conventional and SMART- NET/SmartZon e sections (3.
TRANSCEIVER PR OGRAMMING 3-8 November 19 99 Part No. 0 01-7780-500 2. T o program a swit ch, cli ck the ar row to displa y the pull-d own menu and t hen select the desired function from th at menu. NOTE: Side Butto n 1 is the top (AUX) but ton and Si de Butto n 2 is t he bottom (FCN) button.
TRANSCEIVER P ROGRAMMING 3-9 Nove mber 1999 Part No. 0 01-7780-500 afte r the cont rol cha nnel ret urns from the V oic e On Control mo de. Adjus table Parame ters Busy Override Delay - W ith SmartZon.
TRANSCEIVER PR OGRAMMING 3-10 November 19 99 Part No. 0 01-7780-500 Ti me rs T x Tim e - Ou t Ti m er - This timer limits the lengt h of trans missions (S ection 2.3 .9). T i mes up to 3 m inutes, 45 seconds in 15-se cond steps can be programmed . Penalt y T imer - This timer disables transm itting after the time -out time r expi res (Secti on 2.
TRANSCEIVER P ROGRAMMING 3-11 Nove mber 1999 Part No. 0 01-7780-500 also th e type of priority cha nnel (see the “Priori ty Channel” desc ription which follows) . The followin g modes are avail able: No Prio rity - Pr iority sampling does not occur (all channels are scanned in s equence).
TRANSCEIVER PR OGRAMMING 3-12 November 19 99 Part No. 0 01-7780-500 Figure 3-3 Con ventional Channel Screen 3.5.4 CON VENTIONAL CHANNEL S CREEN P ARAMETERS The fol lowing par ameters ar e prog rammed in t he conventi onal chan nel screen shown i n Figure 3- 3.
TRANSCEIVER P ROGRAMMING 3-13 Nove mber 1999 Part No. 0 01-7780-500 NOTE: Channel numbers not ass igned must be pr ogrammed for co nventional opera tion and then not enabled in the above scr een because SMARTNET/ SmartZ one channel s cannot be disabl ed.
TRANSCEIVER PR OGRAMMING 3-14 November 19 99 Part No. 0 01-7780-500 3.6.2 SMARTNET/SMAR TZONE SYSTEM GENERAL SCREEN The SMAR TNET/SmartZone Sys tem General screen is shown abov e, and it programs the .
TRANSCEIVER P ROGRAMMING 3-15 Nove mber 1999 Part No. 0 01-7780-500 3.6.3 SMARTNET/SMAR TZONE SYSTEM OTHER ID’ S SCREEN The SMAR TNET/SmartZone Other ID’ s screen is shown a bove, and it programs t he follo wing para mete rs. Individ ual ID - Uniquely ident ifies th e radio on a par- ticula r system.
TRANSCEIVER PR OGRAMMING 3-16 November 19 99 Part No. 0 01-7780-500 3.6.5 SMARTNET/SMAR TZONE SYSTEM T ALK GROUPS S CREEN The SMAR TNET/SmartZone T alk Group s screen is used to set up SMAR TNET/SmartZone t alk groups and progr am unique t alk group i nformatio n.
TRANSCEIVER P ROGRAMMING 3-17 Nove mber 1999 Part No. 0 01-7780-500 3.6.7 SMARTNET/SMAR TZONE SYSTEM LISTS SCREENS Clickin g the button i n the Ge neral screen desc ribed in Secti on 3.6.2 displays the screens used to program t he various lis ts that are unique for each SMAR TNET/SmartZone syst em.
TRANSCEIVER PR OGRAMMING 3-18 November 19 99 Part No. 0 01-7780-500 Announcement Gr oups Screen This scr een programs the a nnounceme nt grou ps that are used to communi cate with severa l talk groups simulta neously . There can be up to 3 announcement groups pe r system, a nd each announcement group can have up to 1 5 talk grou ps.
TRANSCEIVER P ROGRAMMING 3-19 Nove mber 1999 Part No. 0 01-7780-500 T runking Call Lis t Screen This screen is sho wn above, and it allows the list of IDs used for privat e calls to be programmed. A maximum of 16 IDs ca n be programmed (see Sections 2.
TRANSCEIVER PR OGRAMMING 3-20 November 19 99 Part No. 0 01-7780-500 4. Repeat the prece ding step s for the othe r scan lists if appli cable. S tatus Aliasing Scr een This screen is shown above, and it progra ms the alias for ea ch of up to eight statu s conditi ons that can be sent.
TRANSCEIVER P ROGRAMMING 3-21 Nove mber 1999 Part No. 0 01-7780-500 Figure 3-4 SMARTNET/SmartZone Channel Screen Enable This Channe l - Not used because SMAR T- NET/SmartZon e channels are always enabled if set up . T o disable a channel so that i t is no t select able, choo se the conven- tional ty pe and do not check this box.
TRANSCEIVER PR OGRAMMING 3-22 November 19 99 Part No. 0 01-7780-500 T alk P ermit T one - When enabled, a short tone sound s after a reques t for a group call has bee n approved by the ma in contro ller . This indicat es tha t speakin g can begin. When di sabled, no audio f eed- back is used to indic ate when speaking can begi n.
TRANSCEIVER P ROGRAMMING 3-23 Nove mber 1999 Part No. 0 01-7780-500 25 851.6125 806.6125 26 851.6375 806.6375 27 851.6625 806.6625 28 851.6875 806.6875 29 851.7125 806.7125 30 851.7375 806.7375 31 851.7625 806.7625 32 851.7875 806.7875 33 851.8125 806.
TRANSCEIVER PR OGRAMMING 3-24 November 19 99 Part No. 0 01-7780-500 175 855.3625 81 0.3625 176 855.3875 81 0.3875 177 855.4125 81 0.4125 178 855.4375 81 0.4375 179 855.4625 81 0.4625 180 855.4875 81 0.4875 181 855.5125 81 0.5125 182 855.5375 81 0.5375 183 855.
TRANSCEIVER P ROGRAMMING 3-25 Nove mber 1999 Part No. 0 01-7780-500 325 859.1 125 814.1 125 326 859.1375 81 4 .137 5 327 859.1625 81 4 .162 5 328 859.1875 81 4 .187 5 329 859.2125 81 4 .212 5 330 859.2375 81 4 .237 5 331 859.2625 81 4 .262 5 332 859.2875 81 4 .
TRANSCEIVER PR OGRAMMING 3-26 November 19 99 Part No. 0 01-7780-500 475 862.8625 81 7.8625 476 862.8875 81 7.8875 477 862.9125 81 7.9125 478 862.9375 81 7.9375 479 862.9625 81 7.9625 480 862.9875 81 7.9875 481 863.0125 81 8.0125 482 863.0375 81 8.0375 483 863.
TRANSCEIVER P ROGRAMMING 3-27 Nove mber 1999 Part No. 0 01-7780-500 623 866.3000 82 1 .300 0 624 866.3125 82 1 .312 5 625 866.3250 82 1 .325 0 626 866.3375 82 1 .337 5 627 866.3500 82 1 .350 0 628 866.3625 82 1 .362 5 629 866.3750 82 1 .375 0 630 866.
TRANSCEIVER PR OGRAMMING 3-28 November 19 99 Part No. 0 01-7780-500 765 868.1750 82 3.1750 766 868.1875 82 3.1875 767 868.2000 82 3.2000 768 868.2125 82 3.2125 769 868.2250 82 3.2250 770 868.2375 82 3.2375 771 868.2500 82 3.2500 772 868.2625 82 3.2625 773 868.
4-1 Nove mber 1999 Part No. 0 01-7780-500 CIRCUIT DESCRIP TION SECTION 4 CIRCUIT DESCR I PTION 127($EORFNGLDJUDPRIWKH5)DQGORJLFXQLW VLV ORFDWHGRQSDJH 4.
CIRCUIT DESCRIP TION 4-2 November 19 99 Part No. 0 01-7780-500 the VCO fr om the rece iver and tran smitter and th e counter s in synth esizer IC1. A switchi ng circui t on the ou tput of Q10 routes the VCO signal to t he receive r i n th e receive mode and the transm itter in th e transmit mode .
CIRCUIT DESCRIP TION 4-3 Nove mber 1999 Part No. 0 01-7780-500 frequen cy is low , the VCO- derived i nput to th e phase detect or is lower than the TCXO-derived inp ut (or the phas e lags the T CXO-der ived in put). Pin 1 5 of IC1 then pulses l ow and turns Q1 on.
CIRCUIT DESCRIP TION 4-4 November 19 99 Part No. 0 01-7780-500 inpu t sig nal to these tran sistors is hig h for narrow band ch annels . Therefo re, with narr ow band ch an- nels, D 14/D16 are forward bi ased an d D13/D15 revers e biased a nd vice versa for wid eband channels.
CIRCUIT DESCRIP TION 4-5 Nove mber 1999 Part No. 0 01-7780-500 4.4.3 P OWER CONTROL (IC2A/B) The power output circui t maintains a steady power output le vel by controlli ng the supply volta ge to the fi rst stag e in power modu le IC1 (VCC1).
CIRCUIT DESCRIP TION 4-6 November 19 99 Part No. 0 01-7780-500 T able 4-1 Micr oprocessor IC306 Pin Descri ptions Pin Name Por t Name Input or Output Descript ion Active High or Low 1 RES Input Reset .
CIRCUIT DESCRIPTION 4-7 Nove mber 1999 Part No. 0 01-7780-500 .(<5 ,QSXW .H P DWUL[VFDQ .(<5 ,QSXW .H P DWUL[VFDQ 06 2 2XWSXW 6HULDOGDWDRXWSXW 06 , ,QSXW 6HULDOGDWDLQSXW 06 &.
CIRCUIT DESCRIP TION 4-8 November 19 99 Part No. 0 01-7780-500 93 S5C Output RF 5C supply contro l signal High 94 - - - - 95 SN_TR Output SMAR TNET circuit control signal (H=SMAR TNET Tx Data) High 96.
CIRCUIT DESCRIP TION 4-9 Nove mber 1999 Part No. 0 01-7780-500 cut-of f frequenc y is approx imately 190 Hz. Q1 03 lowe rs the cut-off freque ncy of the filter by s witching additi onal ca pacitanc e into th e filte r . From th e filte r the dat a signal is appl ied to a DC restor ation circ uit formed by IC107B and IC107A.
CIRCUIT DESCRIP TION 4-10 November 19 99 Part No. 0 01-7780-500 caused by high input levels from the interna l or externa l microphone. The bias volta ge to this stage and also to IC201A is produc ed by voltage divider R208/R207.
5-1 Nove mber 1999 Part No. 0 01-7780-500 BA TTERY P ACK AND CHARGER INFORMA TION SECTION 5 B A T TER Y P A CK AND CHARGER INFORMA TION 5.1 B A TTER Y P A CK CAUTION Dispose of th ese batt eries in acco r dance with local r eg- ulatio ns. Do not dispo se in a land f ill.
BATTERY PACK AN D CHARGER INFORMATION 5-2 November 19 99 Part No. 0 01-7780-500 change i n voltage) sensi ng to dete rmine whe n the batter y is ne arly ful ly char ged. This type o f sensing prolongs battery pack l ife becau se overcha rging is minimized.
6-1 Nove mber 1999 Part No. 0 01-7780-500 ALIGNMENT PROCEDURE AN D PERFORMANCE TESTS SECTION 6 ALIGNMEN T PROCEDURE AND PERFORMANCE TESTS 6.1 GENERAL 6.1.1 INTRODUCTION The alignme nt procedur e describe d in this section should be perfo rmed if repairs are made that could af fect the factory align m e nt.
ALIGNMENT PROCEDURE AND PERFORMANCE TESTS 6-2 November 1999 Part No. 0 01-7780-500 $QWHQQD -DFN $GDSWH U 7K H WUDQVFH LYHU DQWHQ QD MDFN LV DQ 6 0$ IHPDO H W S.
ALIGNMENT PROCEDURE AN D PERFORMANCE TESTS 6-3 Nove mber 1999 Part No. 0 01-7780-500 Figure 6- 2 PCT une Main Screen 6.1.4 PRELIMINAR Y SETUP 1. Wi th transc eiver p ower turned of f, connect the RPI to an unused seria l port of the computer .
ALIGNMENT PROCEDURE AND PERFORMANCE TESTS 6-4 November 19 99 Part No. 0 01-7780-500 Figure 6-3 Connecting DC P ower 6.1.6 REMOVING T RANSCEIV ER COV ER NOTE: The transceiver cov er needs to be r emoved only if the fr equency and sque lch adjustm ents describ ed in Sections 6.
ALIGNMENT PROCEDURE AN D PERFORMANCE TESTS 6-5 Nove mber 1999 Part No. 0 01-7780-500 3. Follow the inst r u ctions on the sc reen and a djust for the best demodul ated squar e wave with minimu m tilt an d oversh oot. 6.4 A UDIO DEVIA TION 1. If manually selec ting each test , click the “T une” butto n in the “Audio De viation” bo x.
ALIGNMENT PROCEDURE AND PERFORMANCE TESTS 6-6 November 19 99 Part No. 0 01-7780-500 PERFORMANCE TESTS 6.8 RECEIVER PERFORMANCE TESTS 6.8.1 PRELIMINAR Y SETUP This tra nsceiv er does not hav e a special test mode that ca n be selec ted to perform t estin g.
ALIGNMENT PROCEDURE AN D PERFORMANCE TESTS 6-7 Nove mber 1999 Part No. 0 01-7780-500 6.9 TRANSMITTER PERFORMANCE TESTS 6.9.1 P OWER OUTPUT Refe r to Se ction 6.8 .1 for inform ation on te st chann els. Pr oceed as f ollows: 1. Connect a wattmeter and dummy load to the antenna jack as descri bed in Section 6.
ALIGNMENT PROCEDURE AND PERFORMANCE TESTS 6-8 November 19 99 Part No. 0 01-7780-500 This page inte ntionally left blank ..
7-1 Nove mber 1999 Part No. 0 01-7780-500 PA R T S L I S T SECTION 7 P AR TS LIST R e fN o . D e s c r i p t i o n P a r tN o . CHASSIS P ARTS EP 01 B-3826B #1 125-3A (chassis f lex) 022-39 06-001 EP .
PARTS LIST 7-2 November 19 99 Part No. 0 01-7780-500 IC 1 LC7583 4W 022-3907-015 J 1 52204-2990 022-3906- 128 J 2 AXN820735 022-3906- 132 MP 01 10-key fron t panel (plas tic) 022-39 07-058 3-key front.
PARTS LIS T 7-3 Nove mber 1999 Part No. 0 01-7780-500 C 5 C1608 CH 1H 3 30J-T -A 022-39 06-070 DS 1 LN1371G-(TR) display /LED 022-3906- 098 DS 2 LN1371G-(TR) display /LED 022-3906- 098 DS 3 LN1371G-(T.
PARTS LIST 7-4 November 19 99 Part No. 0 01-7780-500 R 21 ERJ3GEYJ 104 V resistor 022-3906- 175 R 22 ERJ3GEYJ 331 V resistor 022-3906- 389 R 23 ERJ3GEYJ 152 V resistor 022-3906- 155 R 24 ERJ3GEYJ 122 .
PARTS LIS T 7-5 Nove mber 1999 Part No. 0 01-7780-500 C 035 C1608 CH 1H 04 0B-T -A 022-3 906-60 9 C 036 C1608 CH 1H 15 0J-T -A 022-3906-06 7 C 037 C1608 CH 1H 33 0J-T -A 022-3906-07 0 C 038 C1608 CH 1.
PARTS LIST 7-6 November 19 99 Part No. 0 01-7780-500 C 139 C1608 J B 1C 104KT -N 022-3906-61 4 C 140 0.5P C1608 CH 0.1P 022-3906-08 4 D 01 MA77 (TW) diode 022-3906 -047 D 02 MA77 (TW) diode 022-3906 -.
PARTS LIS T 7-7 Nove mber 1999 Part No. 0 01-7780-500 Q 18 2SC 4215-Y tran sistor 022-3 906-320 Q 19 DT A144 EE transis tor 022-3907-024 Q 20 DT A144 EE transis tor 022-3907-024 Q 21 DTC 144EE TL tr a.
PARTS LIST 7-8 November 19 99 Part No. 0 01-7780-500 R 104 DRJ3GEYJ 561 V resistor 022-3 906-15 1 W 1 IPS-1041-2 022-3 906-133 W 3 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 X 3 CR-6 26 022-3907-03 8 Ref No.
PARTS LIS T 7-9 Nove mber 1999 Part No. 0 01-7780-500 C 139 1 C2012 10V B 022-3907 -034 C 140 4.7 10V MSV A 022-3906-36 1 C 141 1 C2012 10V B 022-3907 -034 C 142 C1608 JB 1E 103KT A 022-3906 -063 C 143 1 C2012 10V B 022-3907 -034 C 144 C1608 CH 1H 33 0J-T -A 022-3906-07 0 C 145 1 C2012 10V B 022-3907 -034 C 150 0.
PARTS LIST 7-10 November 19 99 Part No. 0 01-7780-500 C 449 C1608 CH 1H 33 0J-T -A 022-3906-07 0 C 450 C1608 CH 1H 33 0J-T -A 022-3906-07 0 C 451 C1608 CH 1H 33 0J-T -A 022-3906-07 0 C 454 C1608 CH 1H.
PARTS LIS T 7-11 Nove mber 1999 Part No. 0 01-7780-500 Q 406 UMD6 TL diode 022-3907 -023 R 101 ERJ3GEYJ 154V r esisto r 022-3 906-392 R 102 ERJ3GEYJ 104 V resi stor 022-3 906-17 5 R 103 ERJ3GEYJ 473 V.
PARTS LIST 7-12 November 19 99 Part No. 0 01-7780-500 R 239 330K ERJ3GE resist or 02 2-3906 -180 R 240 ERJ3GEYJ 103V r esisto r 022-3 906-163 R 241 ERJ3GEYJ 683V r esisto r 022-3 906-173 R 243 ERJ3GEY.
PARTS LIS T 7-13 Nove mber 1999 Part No. 0 01-7780-500 FCN MP18 MP35 MP35 MP25 ENT CLR F1 F2 F3.
PARTS LIST 7-14 November 19 99 Part No. 0 01-7780-500 ENT Display Board EP3 (Display) EP2 (Display) DS6 (Display) MP7 (Display) MP4 (Display) MP10 (4) (Display) Display Board MP8 (Display) MP12 (4) Di.
PARTS LIS T 7-15 Nove mber 1999 Part No. 0 01-7780-500 MP12 MP5 MP3 EP1 (Jac k Assy) MP4 (2) (Jac k Assy) MP13 (Chassis) MP17 (Chassis) J1/MP5 (Jac k Assy) MP16 (2) (Chassis) MP1 (Jac k Assy) MP2 (Jac.
PARTS LIST 7-16 November 19 99 Part No. 0 01-7780-500 F1 MP33 MP27 MP28 MP29 MP34 MP22 MP26 MP30 MP18 MP24 MP23 MP32 MP34 MP27 MP32 MP52 (Stick er).
8-1 Nove mber 1999 Part No. 0 01-7780-500 SCHEMA TIC D IA GR AMS AND COMPONENT LA Y OUTS SECTION 8 SCHEMA TIC D IA GRAMS AND COMPONENT LA Y OUTS C4 Q1 C1 R8 R9 HC2 C5 C17 Q2 C2 C9 R1 R4 R5 HR1 C16 R13.
SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS 8-2 November 19 99 Part No. 0 01-7780-500 C7 C6 C4 C1 Q4 C10 C25 C9 C13 C14 HR1 C35 L2 C18 R9 C23 R21 D3 R16 R15 R14 HC1 R22 C30 C33 R24 R28 R29 R27 C11 R4 Q2 .
Nove mber 1999 Part No. 0 01-7780-500 8-3 TRANSCEIVER BL OCK DIA GRAM Rx F req Minus 45.225 MHz First Mixer Q2 FI2 FI3 Q2 IF Amp DET RSSI D13/ D14 Wide/Narrow Band Switch Wide/Narrow Band Switch Ceram.
November 1 999 Part No. 001 -7780-500 8-4 IC1 FI7 HC6 C140 R77 D10 FI4 FI5 FI6 Q18 C104 IC3 HC15 X3 FI1 FI2 C49 R39 C50 C55 HC20 C122 C47 C40 Q6 R30 R29 R31 C42 R28 C41 R27 C54 C97 R75 R76 R74 R72 C96.
Nove mber 1999 Part No. 0 01-7780-500 PWR ADJUST 0.047 C119 33P C60 PWR TMUT T5V BA TT MOD LT R TA 33P C102 33P C101 33P C100 33P C93 C HC1 +5V PWR PLLSK ULOCK PLLST LT R BA TT PLLSO MOD T5V TMUT 33P .
November 1 999 Part No. 001 -7780-500 1 5 TO A CCESSOR Y JACK T O PTT BOARD 1 10 11 20 IC209 IC205 IC210 J3 X2 C304 C305 C303 C123 IC104 IC105 IC106 C401 D403 D311 R163 R335 C419 C36 C32 J2 HC2 HC1 R3.
Nove mber 1999 Part No. 0 01-7780-500 TX_IN TX_OUT SW_BA TT 39K R202 39K R201 TC4W66FU IC204 5 876 4 3 2 1 0.1 C206 0.1 C228 33P C450 33P C443 33P C435 33P C436 33P C434 33P C437 33P C451 5.
November 1 999 Part No. 001 -7780-500 R8 C2 R9 C4 C5 C7 HR2 C6 HR3 R3 R18 HR1 R7 Q2 Q4 Q1 Q3 1 29 J1 IC1 GND GND SPE SPE SP SP L5V DISSO DISSK DISST DISEN KEYS0 KEYS1 KEYS2 KEYS3 KEYR0 KEYR1 KEYR2 KEY.
SCHEMATIC DI AGRAMS AND COMPONENT LAYOUTS 8-9 Nove mber 1999 Part No. 0 01-7780-500 K C S M O S M P S E P S D N G D N G E P S P S L 5 + 52204-2990 J1 9 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 2 9 1 8 1 7 .
SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS 8-10 November 19 99 Part No. 0 01-7780-500 DS1 DS3 DS4 DS2 1 (PHON) 2 (STR) 3 (HOME) SYS (RCL) GRP (CLR) 6 5 4 7 (S .
SCHEMATIC DI AGRAMS AND COMPONENT LAYOUTS 8-11 Nove mber 1999 Part No. 0 01-7780-500 D E L K B E P S P S D N G D N G L 5 + D N G D N G E C I M AXN720535 J1 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 .
SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS 8-12 November 19 99 Part No. 0 01-7780-500 SPEAKER MICROPHONE C4 C2 C1 R1 Q1 J1 HC8 HC7 C3 HC6 R8 R6 HC5 R4 R3 R2 HC1 C5 HC4 HC3 HC2 1 19 20 2 DS1 DS2 SCAN A/D.
SCHEMATIC DI AGRAMS AND COMPONENT LAYOUTS 8-13 Nove mber 1999 Part No. 0 01-7780-500 D E L K B D N G E P S P S D N G L 5 + D N G D N G E C I M AXN720535 J1 0 2 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 0 1 .
SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS 8-14 November 19 99 Part No. 0 01-7780-500 NO TES.
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P ar t No . 001-7780-500 11-99hph Printed in U .S. A..
An important point after buying a device EFJohnson 7780 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought EFJohnson 7780 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data EFJohnson 7780 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, EFJohnson 7780 you will learn all the available features of the product, as well as information on its operation. The information that you get EFJohnson 7780 will certainly help you make a decision on the purchase.
If you already are a holder of EFJohnson 7780, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime EFJohnson 7780.
However, one of the most important roles played by the user manual is to help in solving problems with EFJohnson 7780. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device EFJohnson 7780 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
