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1. 2 2 2 2 3 RETURN IFB INSTALLATIONS a is a 2 2 2 2 4 EXPANDING THE CONTROL STATION S ALL FUNCTION 2 2 209 MONO TDP paid as S al O BRA A is GQ 2 2 SECTION 3 OPERATING INSTRUCTIONS Wu AENA AS 3 1 NTRODUCCI N aa adh deme 3 1 3 2 SETUP AND OPERATION OF THE CENTRAL ELECTRONICS MODEL 4010 3 3 CONTROL STATION OPERATION MODELS 4001 4001 4002 4002 4003 4003M 3 1 3 4 USER STATION OPERATION MODEL 4020 CD 3 5 SUBSTITUTING TW INTERCOM STATIONS FOR IFB USER STATIONS rr Face e dal 3 6 OPERATING WITH TELCO DRY PAIR S 3 2 FOPERATING DISTANCES 3k La dra 3 2 SECTION 4 THEORY OF OPERATION eere s a a 4 1 AT INTRODUCTION e boa iuba kus se a w eat 4 1 4 2 OVERALL FUNCTIONAL DESCRIPTION 4 4 3 CENTRAL ELECTRONICS FUNCTIONAL DESCRIPTION 4 1 4 4 CONTROL STATION FUNCTIONAL 4 3 4 5 USER STATION FUNCTIONAL DESCRIPTION 4 4 4 6 RETURN IFB FUNCTIONAL DESCRIPTION 4 4 SECTION S MAINETNANCE sa s sa s
2. 22 41 TALLY O E 1 EO UTER 22221 T 2 e ls __ ______ 548 di 33241 053 lt DI34 DI36 DIA 0144 lt 5 014555 72 324 Ivi NZ N N V V NZ NZ O al do Ie AZ 0102 DIO3 DIOS 001 008 012 T ES AS AO lr I 2211 2225 20 221208 os li Wa ee e cuc wc m am 8 54 v eller edes SUE 22122221 agi E s _ DL LL muaa ee 1261 w MESE NEUE ca EE La JIZ Pi 317 121222 A all 5 DIENEN BEER e 2 3 E A AER Epor We a 4 e Ed cl E 08 23 5 6 7 m 2 p PIN GROU c n x Y O 9 Q ess SWITCHING lt 3 1F8 CENTRAL gt S no 9 E v O 3 I 2 2 gt a S3ONYUSTOL SHIN NI SHOISN3M1G 031310345 ISIMYUIHLO SS3TAn SMONY STYAID3O SNOLLOYHJ 5 4 m o gt LO TO D 154 LOCAL MUTE OPTION MIC PRE AMIA RA al AUDIO 12 ON LOVHLNOD S WAOtiddY w H KHGORDOS 8835 3 200 ohms 2 VOLT DIP RELAY
3. 16 7 gt gt 1 7 r P2 ni gt gt 72 7 t J5 7 gt P1 7 ere P2 7 gt J7 7 P2 3 lt lt J2 3 5 4 03 4 gt gt P3 4 J16 32 gt gt P1 32 P2 32 gt gt 22 32 reni 5 32 gt gt P1 32 a P2 32 gt J7 32 Rn 2 4 lt lt J2 4 585 13 gt gt P3 o J16 8 gt gt 1 8 P2 8 gt 2 8 5 8 gt gt P1 8 E P2 8 gt gt 17 8 ta ee c P2 5 lt lt J2 5 COM J3 6 gt 3 6 J16 33 gt gt P1 33 2 33 3 22 33 45 33 3 gt 1 33 2 33 gt 297 33 2 6 lt lt J2 6 AUD J3 7 2 3 7 216 9 gt gt 1 9 2 9 gt gt 72 9 45 9 gt 1 gt 1 9 2 9 gt gt 77 9 P2 7 lt lt 2 7 1 3 8 gt gt 3 8 J16 34 gt gt P1 34 2 34 gt gt 22 34 95 34 gt gt P1 34 P2 34 gt gt 37 34 P2 8 lt lt J2 8 COM 33 9 9 pic E EE DE J16 10 gt gt 1 10 2 10 22 10 TA TE 35 10 gt gt 1 10 P2 10 gt gt 77 10 2 9 4 lt J2 9 p Meroe ee gt 3 10 916 35 gt gt 1 35 2 35 gt 292 35 J5 35 P1 35 P2 35 9 gt 77 35 P2 10 lt lt J2 10 ally SWl J2 1 P2 1 116 21 gt gt 1 21 p2 21 32 21 15
4. Pre 7 0 Installation Dimensions Model 4020 User Station Outline eee ern noatra tton nerit 7 11 Schematic Diagram User Station IFB System Model 4020 E 7 12 Line Drawing Connecting Block Model ia 7 13 Line Drawing Connecting Block Model 4025A eene eren 7 14 Schematic Diagram IFB System Control Station Model 4001 4003 Sheet 7 15 Schematic Diagram IFB System Control Station Model 4001 4003 Sheet 2 2 7 16 Silkscreen Master P C B Central Electronics Model A010 REPE E EA EEEE 7 17 Assembly Diagram Control Panel 12 Station IFB System Model 4003 7 18 Schematic Diagram IFB Central Electronics Model 4010 4 1 1 2 7 19 This section revised March 1991 Page 7 1 Notes Page 7 2 CO PN Wr Log ENERO TAP S 1 m AS1999 Assembly Diagram P C B Mic Pre Control Panel IFB System Model 4000 AS5123 y Assembly Diagram P C B Mic Pre Modifications To Update Rev C Artwork Model 4000 09 gt REVISIONS Ptr a ssl es ap aad ME UE ouest D BUS WIRE 6 TEFLON C11 2 C N 83 CUT B 7 ADD BUS WIRE JUMPER BETWEEN Ul PINS 44 5 b ADD TO CIRCUIT SIDE 220 RIS 1 1K Rito 9 1K NOTE SCRAPE AWAY SOLDE
5. 42 A T RN 2 42 gt gt 1 18 P2 18 gt gt 1 43 2 43 gt gt P1 19 Re P2 19 gt gt 1 44 P2 44 gt 2 1 20 2 20 gt 4025 Splitter gt 13 11 J5 li 293 36 95 36 gt 293142 5 12 gt 293 37 45 37 gt 2J3 l3 45 13 gt gt 73 38 DEM LER 15 38 gt 73 14 Sa 5 9 gt gt J3 E J5 39 gt gt 73 15 95 15 gt 203 40 15 40 gt gt 3 21 45 21 gt gt 43 46 J5 46 gt 213 22 45 22 gt 13 47 45 47 gt gt 13 23 era J5 23 gt gt 13 48 45 48 gt gt 13 24 95 24 gt gt J3 49 5 49 gt gt 73 25 05 25 gt gt 13 50 45 50 J4 16 45 16 gt gt 14 41 5 41 gt gt 74 17 95 17 gt 294 42 05 42 gt 294 18 45 18 214 43 5 43 gt 214 19 95 19 gt gt 74 44 75 44 gt 14 20 A J5 20 gt 4015 Cable gt P1 11 Drs 2 11 gt gt 1 36 2 36 gt PPL 1l12 2 12 gt gt 1 37 Vada P2 37 gt gt 1 13 P2 13 gt gt P1 38 eye ea P2 38 gt gt 1 14 P2 14 gt gt 1 39 P2 39 gt gt 1 15 P2 15 gt gt P1 40 P2 40 gt gt 1 21 P2 21 gt gt 1 46 P2 46 gt gt 1 22 P2 22 gt gt 1 47 P2 47 gt gt 1 23 P2 23 gt g
6. AND MOUSER A 431 2305 50 ohms 3 VOLT RELAY FORM FOR DYNAMIC MIC USE ALTERNATE CIRCUITRY AS SHOWN IN DETAIL 9 FOR LOCAL MUTE OPTION TO WORK WITH SA CUT TRACE 4 ADD DIODES 000 53 555 9 9 m a 5 025 101 029 W27180 d WAH 05141000 d gt 518 dE die 4003 ADD DI55 DIST 2002 ADD DI55 DI56 400 ADD DISS ADD TERMINAL BLOCK 783 4 8 1154 15 USED ON MODEL 4002 AND 4003 ONLY ty 5 2 CABLE ASSEMBLY PART 3020 2438 00 9 Ca OPTIONAL DES ONLY 025 DSG DEI DIOO DIOS DIO G 31s EA THESE DIODES CAUSE SA WORK TOGETHER WITH IFR ALL EE used X 7 sio 03M lt 202 232 4 PINGROUPA 26 2 27 3 26 4 29 5 30 PRIORITY CONTROL PIN GROUP 6 31 7 32 8 33 9 34 10 55 PRIORITY CONTROL 7 3 Ol 5 m y PIN GROUP 11 36 12 91 12 323 14 59 15 PRIORITY CONTROL 2 y Dia mE PIN GROUP D 10 41 17 42 43 19 44 20 45 PEIORITY CONT OL 4 e y Oe 3 ALL DIODES IN4004 5 A D lt 2 CAPACITANCE VALUES ARE SHOWN MICROFARADS VOLTS 56 L ALL RESISTORS ARE CARBON FILM Va WATT 15 E iN 6 ba NOTES UNLESS OTHERWISE SPECIFIED gt 5 5 LAST USED CIS DIS7 0533 J15 K3 Q2 RIS T1 U3 9 o 5 tn F e 6 6 a
7. Figure B 1 Return Model 4020 Modifications Page B 1 Notes Page B 2 A A AA x NOTES The following list consists of manufacturers names and earphones earsets and headsets recommended for use with the Series 4000 System s Model 4020 User Station Sennheiser Model HD 404 HD 4004 6 HD 44 6 Beyer DT 301 16 DT 505 DT 109 DT 108 DT 98 DT 99 DT 102 DT 509 Telex 61563 12 61563 13 61563 16 61563 17 CS 90 AKG K 2000 K 158 UNEX THS 5 THS 7 Description Earphone 17 ohms 70 ohms 200 ohms Earphone Stethscope style Mono 17 ohms 70 ohms Earphone Stethoscope style Stereo 17 ohms 70 ohms Earphone 50 ohms 600 ohms Earphone 150hms 200 ohms Headset 50 ohms dual Headphones noise cancel mic Headset 50 ohms single Headphone noise cancel mic Headset 200 ohms dual Headphones noise cancel mic Headset 200 ohms dual Headphones noise cancel mic Headphone 200 ohm single Headphone _ Headphone Stethoscope style Mono 100 ohms Earset 500 ohms w left ear mold 6 cable w vol cont Earset 500 ohms w right ear mold 6 cable w vol cont Earset 500 ohms w left ear mold 5 cable Earset 500 ohms w right ear mold 5 cable Sportcaster Headset 6000 ohms dual headphone omni mic Headphone 2000 ohms Headset 200 ohms dual Headphones noise cancel mic Headset 600 ohms single headphone 200 ohm mic Headset 600 ohms dual headphones 200 ohm m
8. tuu CH x uu i T 8 TAX A SUM aq oos E seu 108 T c 684 TF A 668 AL ezu tes eu sas 50 dx CT D A nt gt ay ta ozs Lp 06 14059 6214 SUD esu cape At er CZ ul 64 ra 05594 056 27 05894 0572 lessi us stu sr s ru gt AS 14053 14051 mos2 FF 4054 ui LD vr s 7 2 m t F od d F sud TL 8201 EZY R74 052 RAS 124 551973 Sheet 1 of 1 Rev F J6 8127 l s9 A B 56 8 5 52 7 17 54377 Assembly Diagram Control Panel 12 Station System Model 4003 Ht 522 533 53 530 529 528 5206 525 2 FOR PART 5 Z DEXRIPTONS SEE PARIS LIST IN PRODUCTION UNITS LEAVE OUT DIOG 0 05 DHO USE DION DIOS DHG WHEN REQUIREMENTS CALL FOR SAI 543 WORK WITH IFB ALL NOTES Page 7 18 bare A ES ARE PRODUCT LINE XX 2
9. ASSEMBLY MATERIAL 270 Esa ose CONTROL PANEL 12 STATION O SESNI IFB MODEL 4003 D FSCM NO DWG NO 5 371 OE 60572 as 4 o OOOO n A ee e gt MONITOR SWITCH TO MON Sw j DIOI IN4004 Ro R35 Red RAS WERE LZK R5L R S 224 WERE aw C CIA C25 ADDED FERRITE BEAR PER ECO 144 ADDED RELAY PIN NOS 2 PER ECO 150 PER Eco PER ECO amp 53 46 80 UPDATED PER ECO 249 1 28 81 6 15 83 E i REVISED PER 1280 GM 828 EA 8 ROMEO gt 1 REVISED PER ECO 1 1 04 MUTING ES OUTPUT OUTPUT 2 OUTPUT gt OUTPUT 4 SA OUT SPEAKER CONTACTS K ADDED NOTE 13 PER 8 48 2066 1 6 INT Lo NON INT INT LO NON INT INT 16 INT NON INT Lo RELAY 2 RELAY L ADDED C106 C 109 PER ECO 116 57 y eer 59 S 9 S S 6 S S S S S S S S 6 S S 2 MONITOR I TEST 128 TO MON Sw TO MON Sw TO MON SW TO MON Sw EWITCH OUT 1 8 OUT gt 2 Y su TO MON SW MON Sw C TO MON SW 1 TO MON Sw 151A DI 5 AUDIO OUT I L 252 Our 2 8255 CUT gt L Ua 6254 OUT 4 L
10. BOSA PNE DANT ae TALLY Cod 242 IF amp CENTRAL 021 7 912257 012357 02457 012557 02057 2157 01267 012447 5155752 re Y Y VM y Y 194 055 0500 ps 0 059 pez 065 064 bes J7 esa 2 0 em ici 0 s p AI y I Sd SAI sil __ MEER N lt SWITCHING 5 I 57 2 2 O 26 7 3759 4 50 w 3 JB 417 E e oral dd sj Eo ee R 0a S ee EA AA E BUE EAN eae TA NN TA RE SWITCHING 52 sl 7 94 Ve epa a 132 254 1000 1 20 SA2 ALL E O NOTES FOR COMPLETE NOTES SEE PAGE Z 5 2 SAI PIN GROUP 26 2 27 3 26 4 29 5 30 PRIORITY CONTROL 1 LOCAL PIN GROUP T DE 22 35 PRIORITY CONTROL 2 PIN GROUP C I 36 12 37 13 36 14 59 15 40 PRIORITY CONTROL 3 PIN GROUP D 16 41 17 42 18 45 19 44 20 45 PRIORITY CONTROL 4 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES TOLERANCES ARE FRACTIONS DECIMALS CONTRACT NO DZ esse 2212 4121 SCHEMATIC DIAGRAM IFB SYSTEM SERIES 4000 CONT
11. Connect a mic level signal 123 mV p p into the mic level input on the mic pre terminals 3 and 4 of TB1 Plug the power cords of the two 400275 into 120 volts ac Test Observe that the lights come on dimly While watching the oscilloscope or listening in the headphones press the IFB1 button on the unit being tested Notice the change in signal from the program to the mic pre Look for the light to go bright on both Control Stations Release IFB1 and press ALL check for the change in signal and all the lights to go bright except for the IFB ALL on the tested 4002 Turn the monitor select switch to OUT 2 and repeat the above test for IFB2 Turn the monitor select switch to OUT 3 and repeat for IFB3 Turn the monitor select switch to OUT 4 and repeat for 4 Turn the monitor select switch to SA Connect the _oscilloscope to ring of monitor headphone jack and repeat for 5 1 Now unplug the 50 pin cables from both units and attach them to the other 50 pin connectors on the 4002 s Repeat the test for 5 IFB8 and SA2 noting that the IFB ALL lamp will light on the 4002 5 4 5 MODEL 4003 IFB CONTROL STATION TEST PROCEDURE Equipment Needed Oscilloscope or stereo headphones Two audio signal generators Central Electronics Model 4010 Tested Model 4003 Splitter Assembly Model 4025 Inspection Check for damage or missing parts Check for broken or frayed wires Check that R12 is 1 oh
12. Description 1 C Socket 14 Pin Burndy DIL14P 108 1 C Socket 16 Pin Burndy DIL16P 108 Term Strip 27 Pos Mgnum A104227NL R26 Jack Phono 1 4 SMK S G7713 Transformer EWC LP 20 600 B8 Transformer Audio Bourns LM9003 73 Shield Bead Fairrite 267300601 Fuse 1 Amp Slo Blo Littlefuse 313001 Fuse Clip P C Littlefuse 102071 Heatsink IERC 462 T03 Heatsink Aham 363 Header 14 Pin Di Row Str Berg 65611 414 Header 72 Pin Berg 65611 472 6 5 9 Front Panel Model 4010 9070 1977 00 Oty 19 2 29 2 Description Ext Front 12 x 1 3 4 Die 3854 Alloy 6063T5 Front Panel Side Rail Model 4010 Ext Side 10 x 1 3 4 Die 3780 6063T6 Support Bracket Model 4010 Per FAB Dwg 2326 6 6 Shipping List Model 4020 9000 2368 00 Oty p Description Model IFB Belt Pack Talent Electronics Technical Manual Shipping Carton Plastic Bag Page 6 11 RTS Part Number 2001 0002 00 2001 0003 00 2007 0004 00 2013 0001 00 2301 0006 00 2306 0001 00 2404 0001 00 2801 0007 00 2802 0005 00 4502 0001 00 4502 0002 00 9020 5841 14 2007 0039 00 RTS Part Number 9050 1628 00 9100 2203 00 9050 1587 00 9110 2326 00 RTS Part Number 9000 2368 00 9300 2594 00 6 6 1 Final Assembly Model 4020 9010 1927 00 Oty NNN CORN yn Description Washer Lock 375 32 Internal Tooth Washer Teflon Seastrom 5612 37 40 Nut Hex 375 32 Screw 8 18 x 1 2 Flat Hd Self Forming Knob
13. FRONT 7 7 U24 K1 Ge GED G Qo it to to GE 5 EB QD GED ED QD t iD tu 4411 966963 3 4 1 2 2 DEACTIVATE Figure 2 14 Speaker Muting Zones Page 2 16 Sh SUPPLY E 12 TO 24VDC y t gt se 7 1 DPS 48 5 6 7 8 4 29 L_ Figure 2 15 Return IFB Connections Page 2 17 gt ONE OUTPUT INTERUPT ONE OUTPUT NON INTERUPT BOTH OUTPUTS INTERUPT CONTROLLED BY INTERUPT SWITCH AND LEVEL Figure 2 16 Stereo Mono IFB Selection Page 2 18 SECTION 3 OPERATING INSTRUCTIONS 3 1 INTRODUCTION The Series 4000 System is very easy to use The discussion below covers initial setup as well as the actual operation of the equipment Field setup and connection of the Model 4020 User Station vary considerably depending on your needs and on the physical configuration of the studio truck arena theatre golf course etc you have to equip The basics for Model 4020 setup are discussed in sections 3 4 through 3 7 below 3 2 SETUP AND OPERATION OF THE CENTRAL ELECTRONICS MODEL 4010 After you have made all connections plug a stereo headset into the test jack on the front panel of the model 4010 With program playing into program input 1 turn the monitor switch to PGM 1 and verify program Then check programs 2 and 3 Caution the program level
14. aN DE L O P Description Washer Nylon Shoulder Smith 2668 Washer Flat 3 8 Nut Hex Kep 6 32 Nut Hex 3 8 Screw 4 40 x 1 4 pan Hd Phil Yel Cad Screw 6 32 x 3 8 Binding Hd Screw 8 32 x 3 8 Pan Hd Phil Screw 8 32 x 3 8 Flat Hd Phil Blk Oxd L E D Green Oshino OLG124 Transformer Can Hudson HU 5365 688 MU Knob Black Alco K500B 1 8 Knob Single 1 4 Alco K700B Knob Dual 1 4 Alco K5700B Insert Labels Model 4003 Per Ill 3382 6 5 7 Back Panel Assembly Model 4010 9020 2139 00 E UH H Description Lug Solder 4 Smith 1414 4 Cable MTG Cradle Panduit TM1S4 Hex Jack Screw 9 16 Elec Hdware RA 47 50 7 Nut Radio Hex 4 40 Clear Cad Screw 4 40 x 1 2 Phil Pan Hd Yel Cad Screw 4 40 x 3 8 Pan Hd Phil Cad Power Cord 6 Gray Belden 17237 Strain Releif Heyco 1137 Fuse 3 4 Amp Slo Blo Littlefuse 313 750 Page 6 8 RTS Part Number 9000 2365 00 1003 0012 00 1006 0016 00 1007 0002 00 1008 1005 00 1008 6012 00 2516 0008 00 4501 5012 00 9300 2594 00 RTS Part Number 1006 0004 00 1006 0010 00 1007 0002 00 1007 0003 00 1008 4023 00 1008 6009 00 1008 8022 00 1008 8024 00 1801 0124 0G 2402 0001 00 2703 0500 0B 2703 0700 0B 2703 5700 0B 9170 3382 04 RTS Part Number 1003 0004 00 1005 0046 00 1005 0092 00 1007 0007 00 1008 4025 00 1008 4035 00 2504 0004 00 2509 1137 00 2801 0016 00 6 5 7 Back Panel As
15. gt SA 1 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 gt TO SA 2 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 gt SA 3 1 170 IN0 E 110 37892 JNOHdOMOIN Q3Q 13lHS ele Ol INI Ol INI NON NON Figure 2 5 Revised 20 February 1991 User Station Connection To The 4010 Page 2 7 INPUT 34 SPEAKER MUTING 4 SA 14 CH PGM 3 PGM 2 PGM 1 AREA 2 AREA 1 OUT GND LO H LO H 10 NO C NIN C NC H LO 54 AMF FROM PROGRAM SOURCES Figure 2 6 Program Input And SA Output Connections Page 2 8 NEW VERSION OLD VERSION Figure 2 7 Balanced Mic Level Input Page 2 9 OLD VERSION NEW VERSION Figure 2 8 Unbalanced Mic Level Input Page 2 10 APPROX EQUAL TO 10 dB SOURCE SUCH AS USM TERMINAL OF USER STATION CUT TRACE CIRCUIT SIDE REMOVE R11 REMOVE R11 APPROX EQUAL 10 dB _ USM SOURCE SUCH_AS CUT TRACE TERMINAL OF TW USER STATION CIRCUIT SIDE OLD VERSION NEW VERSION Figure 2 9 Line Level Input Page 2 11 PRIORITY Zon GROUP 2 L BROWN PRIORITY p GROUP 38 BROWN GROUP PRIORITY 4
16. Gray Selco 150 250 Cap Gray W Dot Sifam C152 Nut Cover Gray Sifam N150 6 6 2 Back Panel Assembly Model 4020 9020 1926 00 E P a N a Q B E EB HE HR b t rtr Description Washer Lock 4 Internal Tooth Washer Lock 375 32 Internal Tooth Nut Hex Kep 4 40 Nut Hex 375 32 Screw 4 40 x 3 8 100de Fl Hd C R Br Wh Zinc Conn Carbon Mic Switchcraft MN114B Phono Jack Mono Switchcraft N 111 Conn 3 Pin Female Hirose HA16PR 3S Wire 24 Awg Blue Vinyl Stranded 5 Wire 24 Awg Brown Vinyl Stranded 5 Wire 24 Awg Black Vinyl Stranded 5 Wire 24 Awg Red Vinyl Stranded 5 Wire 24 Awg Green 5 Long Wire 24 Awg Violet 5 Long Case Assembly Model 4020 Pop Rivet Dome Head Whittson SSD 4 2 Extruded Case Model 4020 Per FAB Dwg FD1818 Ext Model 4020 Case 6 x 3 x 1 1 2 ATI 6301 Belt Clip Per FAB Dwg 1385 6 6 3 Printed Circuit Assembly Model 4020 9030 1904 00 Oty aN A ha We Description Res CF 10K ohm 1 4w 5 Res CF 10 ohm 1 2w 5 Res CF 11K ohm 1 4w 5 Res CF 1 2 ohm 1 4w 5 Res CF 150 ohm 1 4w 5 Res CF 22K ohm 1 4w 5 Page 6 12 RTS Part Number 1006 0015 00 1006 0044 00 1007 0012 00 1008 8007 00 2703 0002 00 2705 0001 00 2706 0001 00 RTS Part Number 1006 0003 00 1006 0015 00 1007 0001 00 1007 0012 00 1008 4012 00 2013 0003 00 2013 0012 00 2018 0036 00 2511 0005 00 2511 0006 00 2511 0007 00 2511 0008 00 2511 0010 00 2511 0124
17. P pa 17 000 4 31 8 1 00 25 4 1 565 Lat 39 8 7260 451 MOUNTING HOLE 10 A PL ES 19 000 482 6 ALL DIMENSIONS INCHES rm rv COMTRACT MO MODEL IFB CENTRAL ELECTRONICS 5 INSTALLATION DIMENSIONS FSCM DWG 00872 2465 wm ori WEIGHT 10 4 LBS RNETT 9 APPLICATION DO NOT SCALE DRAWING WEIGHT 0 38 LBS 0 363ka z C G 2 122 09 n 4 00 101 6 BELT CLIP ares VR sa 1D2468 Installation Dimensions Model 4020 IFB User Station Oufline A UTI ETE ERO IM A cii 2406 ALL DIMENSIONS INCHES mm CONTRACT MODEL 4020 USER STATION OUTLINE DRAWING DIMENSIONS 0 2 _ 2 501905 Schematic Diagram User Station IFB System Model 4020 REVISIONS zone nev Aa o _ 5 furpareo PER ELO 155 6 12 80 ADDED J1 J2 33 REF DES D Rev Ree Eco 988 12 10 27 23 CHGD NOTE gt ADDED 4 E CHAD UZ BozM Eco3u5 8 Ze c2 77222222 0 450 lt Ji I INTERRUPTED AUDIO PLUS D C POWER COMMON gt OO UNINTERRUPTED AUDIO 3 J2 O SLEEVE MONO e 712 7 278 ay sofe 100 16 43 7o 7 RIS Elo 470 pF On
18. TECHNICAL MANUAL Includes Model 4001 Model 4001M Model 4002 Model 4002M Model 4003 Model 4003M Model 4020 MODEL 4010 Central Electronics Control Station for 4 IFB 1 SA Control Station for 4 IFB 1 SA with Microphone Control Station for 8 IFB 2 SA Control Station for 8 IFB 2 SA with Microphone Control Station for 12 IFB 3 SA Control Station for 12 IFB 3 SA with Microphone Portable User Station Talent Electronics 9300 2594 00 Rev G 6 00 PROPRIETARY NOTICE The RTS product information and design disclosed herein were originated by and are the property of Telex Communications Inc Telex reserves all patent proprietary design manufacturing reproduction use and sales rights thereto and to any article disclosed therein except to the extent rights are expressly granted to others COPYRIGHT NOTICE Copyright 1994 by Telex Communications Inc All rights reserved Reproduction in whole or in part without prior written permission from Telex is prohibited UNPACKING AND INSPECTION Immediately upon receipt of the equipment inspect the shipping container and the contents carefully for any discrepancies or damage Should there be any notify the freight company and the dealer at once WARRANTY INFORMATION RTS products are warranted by Telex Communications Inc to be free from defects in materials and workmanship for a period of three years from the date of sale The sole obligat
19. W RIL 23 2 SLEEVE STEREO 2 2 2 7 279 RING 21 50 ZEK RIG 49 1 NOTES UNLESS OTHERLAISE SPECIFIED ALL RESISTORS ARE CARBON FILM w X 5 26 Z CAPACITANCE VALUES ARE SHOWN MICROFARAOS VOLTS 3 THE 7 7 15 NO LONGER AVAILABLE IF A REPLACEMENT PART IS NEEDED USE TEASTOM MOUNTED IN AN ADAPTER RTS P N 9020 08Z0 0M THE TBABZOM 15 FUNCTIONALLY IDENTICAL TO THE 7 gt 77 BUT THE FINOUT 15 NOT CoMPATIBLE A THIS DRAWING APPLIES To 4020 BUILT PRIOR 1963 i SCHEMATIC USER STATION ODEL 4020 OLD UNITS ee _ _ 7 APPLICATION DO NOT SCALE DAAWING j 9 __ 20572 52 905 Z MN CE EN d MET 0 2 MALE FEMALE FEMALE CONN 70 MALE 3 lt lt lt 5 92 5 1 MALE CONN 2 79 T L 9884 2 40 E ga E 4 70 view TOP COVER NOT SHOWN amp 5 10 c OS 55 r SERIES 200 5 INTER COM A m m NE DRAWING MODEL 4022 CONNECTING BLOCK 22 zi w l e ___________ OF gt 5 Arch Eng Supply Co 257 9641 n pI L 9884 Line Drawing Con arch Eng Suppty 337 LD4308 necting Block Model 40 4 FEMALE CONN RTS SYSTEMS 4025 p
20. ce DATE APPROVEI v z 9 gt nev PER ECO 343 PER ECO 618 BLK WHT F2 GRN C63 RISK OF FIRE REPLACE WITH FUSE AS MARKED T11 TiO a 74 RBB 57 vi p 020 9256 css 7 192 117 A a 1 250N SLO BLO IFB 4010 a 14 m Y 229 e n 4 5 DE 5090 5 Ong Ln E R30 R251 prendi bs 07 8250 gt R32 R34 5 u7 5 72 07 Cc R249 eL oli 2 22 O 62 RI TT R248 E R2 OFA Di R3 ul 9 R63 a un OTOP IPPON 52110432913 VU JAI n 5 AD x 9 uu Y A O RV q O d 19156 UIIAIISHIIS 26158 D76 R232 7 R233 FT 40102 Tp F e _ C e D75 84 9 N24 BLK RED i 15 i 4059 658 5 C544 cs 514 D73 bi E bi zs A I eta 488 7 rsu isis A C65 som tu ott BENE sus 80 E ES I 9 2 se ER vola L e elle a e 1 T
21. 00 2001 0002 00 2007 0092 00 2711 0001 00 9020 5841 14 2007 0039 00 RTS Part Number 9050 2314 00 RTS Part Number 2608 0025 00 2612 0121 00 RTS Part Number 9000 2363 00 2202 0009 00 9300 2594 00 6 5 1 Final Assembly Model 4003 9010 2019 00 We AWWA 0 ON C Description Spacer Hex 4 40 x 3 4 Smith 9402L Spacer 3 16 D x 3 16 H RD No Thd Smith 9016 Spacer Hex 4 40 x 1 Thd Smith 94020 Cable Cradle Panduit 154 Hex Jack Screw 9 16 Elec Hdware 47 50 7 Washer Lock 4 Internal Tooth Screw 4 40 x 1 2 Phil Pan Hd Yel Cad Screw 4 40 x 3 4 Allen Set Lens Cap Flat Clear EAO 99 921 7 Legend Plate Flat Wh EAO 99 908 9 Cable Assembly amp VI Dwg 2438 Connector 10 Pin 3M 3473 6010 Conn 50 Pin Male 3M 3564 1002 Ribbon Cable 50 Cond Spectra 8431352801050 Insert Labels Model 4002 Per 3382 RTS Part Number 1001 0133 00 1001 0134 00 1001 0135 00 1005 0046 00 1005 0092 00 1006 0003 00 1008 4025 00 1008 4079 00 2705 0005 00 2708 0011 00 9020 2438 00 2007 0038 00 2008 0011 00 2501 0001 00 9170 3382 13 6 5 2 Printed Circuit Assembly Model 4003 Mic Pre Board 4000 9030 1999 00 Oty DM ER HM H Q H B I HR Description Res CF 10K ohm 1 4w 5 Res CF 100K ohm 1 4w 5 Res CF 10M ohm 1 4w 5 Res CF 1 1K ohm 1 4w 5 Res CF 220 ohm 1
22. 00 9020 2179 00 1002 0006 00 9060 1818 00 9050 6301 00 9110 1385 00 RTS Part Number 1402 1002 5D 1402 10 0 5 1402 1102 5D 1402 1201 5D 1402 1500 5D 1402 2202 5D 6 63 Printed Circuit Assembly Model 4020 9030 1904 00 continued E Q MUNN WY WD tS Description Res CFF 2 7 ohm 1 4w 5 Res CF 470 ohm 1 4w 596 Pot 50K Audio CP AB 70U4N0408503A Cap 220pf 50v Cer Disc Radial Cap 470pf 50v Cer Disc Radial Cap Mono 1uf 50v 1 Spacing 1 Length Cap Elec 10uf 16v Radial Cap Elec 100uf 10v Radial Cap Elec 100uf 16v Radial Cap Elec 1000uf 16v Radial Cap Tant 1uf 35v Radial Diode 1N4004 1 Amp 400V Voltage Regulator National LMBLME I C SGS TBA 820 M I C Socket 8 Pin Burndy DIL8P 108 Rubber Stick On Button Gray SJ5012 Page 6 13 RTS Part Number 1402 2R70 5D 1402 4700 5D 1406 0037 00 1510 R221 21 1510 471 21 1511 104 21 1513 R106 4E 1513 107 4 1513 107 4 1513 108 4 1515 R105 3G 1601 4004 00 1603 0317 MP 1603 0820 0M 2001 0001 00 4501 5012 00 Notes Page 6 14 APPENDIX A 552000 Microphone Preamplifier Board Engineering Updates RTS System has modified the microphone preamplifier circuit board 552000 used in the Models 4001 4001M 4002 4002M and 4003 4003M Control Stations If your control station was shipped prior to Jan 12 1987 and exhibits excessive noise and hum follow the factory guidelines and
23. 0498 RETURN SHIPPING INSTRUCTIONS PROCEDURE FOR RETURNS If a repair is necessary contact the dealer where this unit was purchased If repair through the dealer is not possible obtain a RETURN AUTHORIZATION from Customer Service Department Telex Communications Inc Telephone 877 863 4169 Fax 800 323 0498 DO NOT RETURN ANY EQUIPMENT DIRECTLY TO THE FACTORY WITHOUT FIRST OBTAINING A RETURN AUTHORIZATION Be prepared to provide the company name address phone number a person to contact regarding the repair the type and quantity of equipment a description of the problem and the serial number s SHIPPING TO MANUFACTURER FOR REPAIR OR ADJUSTMENT All shipments of RTS products should be made via United Parcel Service or the best available shipper prepaid The equipment should be shipped in the original packing carton if that is not available use any suitable container that is rigid and of adequate size If a substitute container is used the equipment should be wrapped in paper and surrounded with at least four inches of excelsior or similar shock absorbing material All shipments must be sent to the following address and must include the Return Authorization Factory Service Department Telex Communications Incorporated West Ist Street Blue Earth MN 56013 U S A Upon completion of any repair the equipment will be returned via United Parcel Service or specified shipper collect Page ii TABLE OF
24. 1 47 P2 47 gt gt J7 47 5 4 lt lt 15 4 SW5 J2 5 gt gt 2 5 316 23 gt gt 1 23 P2 23 gt gt J1 23 45 23 gt gt 1 23 2 23 317 23 5 5 lt lt 5 5 SW6 J2 6 gt gt 2 6 216 48 gt gt 1 48 2 48 gt gt 71 48 45 48 3 gt 1 48 2 48 gt gt 17 48 p5 6 lt J5 6 COM J2 7 gt 2 7 J16 24 gt gt P1 24 P2 24 gt gt J1 24 J5 24 gt gt 1 24 P2 24 gt gt J7 24 5 7 lt 405 7 COM J2 8 gt gt P2 8 16 49 5 gt 1 49 2 49 gt gt 71 49 5 49 gt gt 1 49 2 49 gt 1 gt 07 49 P5 8 lt lt J5 8 12 9 gt gt 2 9 J16 25 gt gt P1 25 2 25 gt gt 1 25 45 25 3 gt 1 25 2 25 gt 297 25 5 9 lt lt 45 9 COM J2 10 gt gt 2 10 016 50 gt gt 1 50 2 50 gt gt 71 50 5 50 gt gt 1 50 2 50 gt gt 27 50 5 10 lt lt J5 10 Control Station 2 priority 2 control signals SW1 J3 1 gt gt P3 1 J16 6 gt gt P1 6 ae P2 6 gt gt 92 95 6 gt gt P1 6 2 6 gt 7 6 xim 025 P2 1 12 rl 512 93 2 gt gt 3 2 J16 31 gt gt P1 31 2 31 gt gt 272 31 J5 31 gt gt P1 31 P2 31 5 5J7 31 p2 2 lt 2 2 SW3 J3 3 5 gt P3 3
25. 1400V Murata DE7150FZ103PVA1 Diode MR502 Motrola Diode 1N914B Signal Diode 1N4004 1 Amp 400V Diode 1N5234B Voltage Regulator 6 2V Transistor MPSU45 Motorola Transistor MPS4355 Motorola PNP Transistor 2N4401 Motorola NPN I C MC14012BCP Motorola I C MC14049UBCP Motorola Voltage Regulator LM317K National Voltage Regulator LM317T National Voltage Regulator National LM317MP SGS TBA 820 M MC3358P Motorola Sub 1603 3458 0P Analog Switch RCA CD4053BE Relay Gordos 835C3 500 ohm 12V Form 1C Switch Slide SPDT C amp K 1101M2 CQ Switch 3 Pos Pc Mt C amp K 7211 SPY ABE Switch Rotary 12 Pos RCL 0201XC30B12UPJAR16 Socket 8 Pin Burndy 8 108 Page 6 10 RTS Part Number 1402 8200 5E 1403 1211 2D 1403 2430 2D 1403 2742 2D 1403 4021 2D 1401 10 0 51 1406 0037 00 1407 0008 00 1407 0020 00 1409 0017 00 1510 R101 21 1510 R102 2L 1510 R103 2R 1510 R221 21 1510 R471 21 1511 R104 21 1513 A338 4F 1513 R106 41 1513 R107 4E 1513 R476 4F 1514 R104 2P 1514 R105 2L 1515 R106 3E 1524 R103 2X 1601 0502 00 1601 0914 0B 1601 4004 00 1601 5234 0B 1602 0045 00 1602 4355 00 1602 4401 00 1603 0002 00 1603 0003 00 1603 0317 0 1603 0317 0 1603 0317 1603 0820 0 1603 3358 0P 1603 4053 BE 1701 0002 01 1902 0002 00 1903 0019 00 1904 0001 00 2001 0001 00 6 5 8 Printed Circuit Assembly Model 4010 CC4010 9030 1974 00 UA EA UN 00 00 U
26. 4 40 x 3 4 Allen Set Lens Cap Flat Clear EAO 99 921 7 Legend Plate Flat WH EAO 99 908 9 Cable Assy IFB amp VI Dwg 2438 Connector 10 Pin 3M 3473 6010 ANN a CA CA Spacer 3 16 D x 3 16 H RD No Smith 9016 Hex Jack Screw 9 16 Elec Hardware RA 47 50 7 Page 6 1 RTS Part Number 9000 2359 00 2202 0009 00 9300 2594 00 RIS Part Number 1001 0133 00 1001 0134 00 1001 0135 00 1005 0046 00 1005 0092 00 1006 0003 00 1008 4025 00 1008 4079 00 2705 0005 00 2708 0011 00 9020 2438 00 2007 0038 00 6 3 1 Final Assembly Model 4001 9010 2003 00 continued Oty 1 1 Description Conn 50 Pin Male 3M 3564 1002 Ribbon Cabble 50 Cond Spectra 8431352801050 Insert Labels Model 4001 3382 RTS Part Number 2008 0011 00 2501 0001 00 9170 3382 05 6 3 2 Printed Circuit Assembly Model 4001 Mic Pre Board 4000 9030 1999 00 Pap Rev SER u OS des qs Description Res CF 10K ohm 1 4w 5 Res CF 100K ohm 1 4w 5 Res CF 10M ohm 1 4w 5 Res CF 1 1K ohm 1 4w 5 Res CF 220 ohm 1 4w 5 Res CF 2 2 ohm 1 4w 5 Res CF 22K ohm 1 4w 5 Res CF 22 ohm 1 4w 5 Res 9 1K ohm 1 4w 5 Pot Trim Linear 10K Piher 101 10 Cap 0luf 1Kv C D Disc Radial 47pf 50v C D Radial 21 5 Cap Mono 01uf 50v 1 Lead Spacing Cap Mono 1uf 50v 1 Spacing 1 Length Cap 22uf 50v Mono Cer Radial 10 Cap Elec 1000uf 25
27. 4w 5 Res CF 2 2K ohm 1 4w 5 Res CF 22K ohm 1 4w 5 Res CF 22 ohm 1 4w 5 Res CF 9 1K ohm 1 4w 5 Pot Trim Linear 10K Puher PTC10LV10KA Cap 01uf 1Kv C D Disc Radial Cap 47pf 50v C D Radial 2LS Cap Mono 01uf 50v 1 Lead Spacing Cap Mono 1uf 50v 1 Spacing 1 Length Cap 22uf 50v Mono Cer Radial 10 Cap Elec 1000uf 25v Axial Cap Elec 10uf 16v Radial Cap Elec 100uf 16v Radial Cap Elec 47uf 16v Radial Diode MR502 Motorola Diode 1N6263 Signal Transistor J305 Siliconix LM78LOSACZ National Page 6 6 RTS Part Number 1402 1002 50 1402 1003 5D 1402 1005 5D 1402 1101 5D 1402 2200 5D 1402 2201 5D 1402 2202 5D 1402 22R0 5D 1402 9101 5D 1409 0009 00 1510 R103 2R 1510 R470 21 1511 103 21 1511 104 21 1511 224 21 1513 108 4 1513 106 4 1513 107 4 1513 476 4 1601 0502 00 1601 6263 00 1602 0305 00 1603 0001 00 ___ _ _____ _____MAL R a R EA M M M M M M n 6 52 Printed Circuit Assembly Model 4003 Mic Pre Board CC4000 9030 1999 00 Description RTS Part Number 1 Voltage Regulator National LM317MP 1603 0317 MP 1 NE5532N Signetics 1603 5532 0 1 1 C Socket 8 Pin Burndy DILSP 108 2001 0001 00 1 Header Molex 22 14 2044 2006 0020 00 2 Term Block 4 Pos Electrovert 251040453 2007 0013 00 1 Transformer Audio Bourns LM9003 2306 0001 00 6 5 3 Printed Circuit Asse
28. 5D 1402 9101 5D 1409 0009 00 1510 R103 2R 1510 470 21 1511 103 21 1511 104 21 1511 224 21 1513 A108 4F 1513 R 106 4E 1513 R107 4E 1513 R476 4E 1515 R474 31 1601 0502 00 1601 6263 00 1602 0305 00 1603 0001 00 1603 0317 MP 1603 5532 0N 2001 0001 00 2006 0020 00 2007 0013 00 2306 0001 00 9040 2000 00 A 9 A A A u n O n im e iii E s T 6 43 Printed Circuit Assembly Model 4002 Switch Board 9030 4376 00 Qty Description 9 Coupling Piece EAO 99 910 1 Res CF 100 ohm 1 2w 5 6 Diode MR502 Motorola 43 Diode 1N4004 1 Amp 400V 1 Relay Gordos 835C3 500 Ohm 12V Form 1C 11 Lamp 18 Volt JKL 8099SBP 11 Switch EAO 99 456 Momentary Lighted P B 1 Socket 14 Pin Burndy DIL14P 108 1 Header 4 Pos Berg 65646 404 11 Switch Lens Holder Gray EAO 99 920 8 4 Header 14 Pin DL Row STR Berg 65611 414 Header 72 Pin Berg 65611 472 6 4 5 Front Panel Model 4002 9070 2014 00 Qty Description 12 Extrusion Front Panel W O Grooves 4 1 3 4 6 4 5 1 Front Panel Model 4002M Gooseneck 9070 2361 00 Qty Description 1 Gooseneck Mic 20 1 Gooseneck Windscreen 6 5 Shipping List Model 4003 9000 2363 00 Qty Description 1 Model 4003 Control Station 1 Power Supply Calrad 45 768 1 Technical Manual 1 Shipping Carton 1 Plastic Bag Page 6 5 RTS Part Number 1005 0033 00 1402 1000 5E 1601 0502 00 1601 4004 00 1701 0002 01 1802 8099 00 1911 0013
29. BROWN PIN GROUP p 4m PRIORITY N TALLY Figure 2 10 Control Station Cable Assembly Page 2 12 PS TALLY P1 P4 DETERMINES PRIORITY VV n Figure 2 11 Priority Connections 4001 Control Station Page 2 13 TO 157 P1 P4 DETERMINES PRIORITY CENTRAL ELECTRONICS OUTPUTS 1 4 P5 TALLY e o e HE dei O ed AIR s 289 P1 P4 DETERMINES LR 2ND FB CENTRAL ELECTRONICS PS TALLY OUTPUTS 5 8 Figure 2 12 Priority Connections For 4002 Control Station Page 2 14 TO 187 F P4 DETERMINES CENTRAL ELECTRONICS PRIORITY OUTPUTS RRRA po i one ese exe 00 04 88332 58 400 1 4 DETERMINES TO 210 PRIORITY CENTRAL ELECTRONICS PS TALLY OUTPUTS 5 8 P1 P4 DETERMINES 38 PRIORITY CENTRAL ELECTRONICS P5 TALLY OUTPUTS 9 12 Figure 2 13 Priority Connections For 4003 Control Station Page 2 15 NO NC ISISISISISISIS SPEAKER MUTING 903 NC 969696969 Ina ez 2122 0422900 QE x 9 GED CD CD aleje GBD GED GED GED ip E T CN s K 1 DEACTIVATE
30. CONTROL STATION MODELS 4001 4002 4003 FOR CONTROL STATION MODEL 4001 12 12 13 12 E E Er EEE DSI H AUDIO x V V V ay dh e din 4 lt lt vi 2 Y N V V J D DIS D20 D22 cea IN5333 O NE TE E ES AS i O DIO 57 04757 Dias 2057 ES 4 MA Z V V Y 0 MIE 024 225 020 027 028 029 5 P3 EA O a 2 SL eea a i E SI 3 SS CN I ASA ECC i 54 NENG SUN AA M SS gs gl gico 7 ES ai gt ALL lt 12 2 uz 9 2 55 7 BP E AUDIO 2 em ___ 9 Lo 2 3 02088 5 ie E 52 7 78 3 Y com 4 SA SS 9 B i ALL lt gt LOCAL MUTE OPTION E Gel osceno DESIGN UPDATES 5 12 UPDATED PER 154 2 12 80 ID ADDED REF DES FOR PLUGS PI PI4 1 24 FOR CONTROL STATION MODEL 4002 La UPDATED PER ECO 376 UPDATED PER ECO 336 J REV D PER ECO 1150 y mw CONT ON SHEET 2 CABLE ASSY V yY V E D20 7 bud nuc as 46 57 a 22 032 Y x o 23 TALLY DEM 48 ST IFB CENTRAL Os 4 568 YZ ES L 75 06957 sa i BRN EA
31. Connect the UnSwitched Mic output USM from the TW user station to the line level input on the Control Station See figure 2 9 For connections to a Model 801 Master station see Appendix C 2 2 OPTIONS INSTALLATION The design of the Series 4000 system permits easy field installation and adjustment of the options and features discussed below Options features include priority control speaker muting zones or areas return IFB expansion of the IFB ALL function andselection of monaural IFB same signal the Page 2 1 2 2 OPTIONS INSTALLATION continued interrupted program in both ears The return IFB option requires additional equipment see text below and Appendix A to be supplied by the customer or to be custom ordered RTS Systems The additional equipment would normally consist of relays to switch line level microphone signals in a suitable junction box and a power supply for the relays The relays are controlled from the Model 4010 Central Electronics unit In addition a modification to the Model 4020 for TW system type user station is required see text below and Appendix B 2 2 1 SETTING UP PRIORITY The Model 4010 IFB Central Electronics as supplied has a priority arrangement by which one Control Station will override another The priority of a Control Station is determined at the Control Station By changing which plug figure 2 10 goes to which jack on the Control Station s switchbo
32. PANEL ASSEMBLY MODEL 4010 9020 2139 00 6 8 6 5 8 PRINTED CIRCUIT ASSEMBLY MODEL 4010 CC4010 9030 1974 00 6 9 6 5 9 FRONT PANEL MODEL 4010 9070 1977 00 22 6 11 6 6 SHIPPING LIST MODEL 4020 9000 2368 00 6 11 6 6 1 FINAL ASSEMBLY MODEL 4020 9010 1927 00 6 12 6 6 2 BACK PANEL ASSEMBLY MODEL 4020 9020 1926 00 6 12 6 6 3 PRINTED CIRCUIT ASSEMBLY MODEL 4020 9030 1904 00 2222 6 12 APPENDIX A ia 3e Ga GE URS a BO A 1 APPENDIX E ii ii yu aia B 1 NOTES SA A A N 1 SECTION 7 DIAGRAMS ae EE 7 1 Page iv SECTION 1 INTRODUCTION AND SPECIFICATIONS 1 1 INTRODUCTION This IFB System is a one way Interruptible FeedBack communications system a program interrupt system created especially to meet the critical requirements of the television broadcast industry as well as other live or recorded media applications The system is composed of User Stations Central Electronics and Control Panels A modular approach assures the optimum configuration for each installation Should system expansion be desired additional components may be added as necessary typical system may consist of the following up to four Control Panels one Central Electronics unit four User Sta
33. Pin Male 3M 3564 1002 Ribbon Cable 50 Cond Spectra 8431352801050 Insert Labels Model 4001 Per 111 3382 RTS Part Number 2705 0005 00 2708 0011 00 9020 2438 00 2007 0038 00 2008 0011 00 2501 0001 00 9170 3382 05 6 4 2 Printed Circuit Assembly Model 4002 Mic Pre Board 4000 9030 1999 00 PREP RB 4H H H OR F F Description Res CF 10K ohm 1 4w 5 Res CF 100K ohm 1 4w 5 Res CF 10M ohm 1 4w 5 Res CF 1 1K ohm 1 4w 5 Res CF 220 ohm 1 4w 5 Res CF 2 2 ohm 1 4w 5 Res CF 22K ohm 1 4w 5 Res CF 22 ohm 1 4w 5 Res CF 9 1K ohm 1 4w 5 Pot Trim Linear 10K Piher PTC10LV10KA Cap 01uf 1Kv C D Disc adial Cap 47pf 50v C D Radial 2LS Cap Mono 01uf 50v 1 Lead Spacing Cap Mono 1uf 50v 1 Spacing 1 Length Cap 22uf 50v Mono Cer Radial 10 Cap Elec 1000uf 25v Axial Cap Elec 10uf 16v Radial Cap Elec 100uf 16v Radial Cap Elec 47uf 16v Radial Cap Tant 47 50V Radial Diode MR502 Motorola Diode IN6263 Transistor J305 Siliconix LM78LOSACZ Voltage Regulator National LM317MP I C NES5522N Signetics I C Socket 8 Pin Burndy DILSP 108 Header Molex 22 14 2044 Term Block 4 Pos Electrovert 251040453 Transformer Audio Bourns LM9003 PCB CC4000 Mic Pre Bd FAB Per Dwg 2000 Page 6 4 RTS Part Number 1402 1002 5D 1402 1003 5D 1402 1005 5D 1402 1101 5D 1402 2200 5D 1402 2201 5D 1402 2202 5D 1402 22R0
34. Preamplifier Board Engineering Updates Scrape away the solder mask on the trace of R12 to make solder pads for a new resistor 4 Install 422 AWG wire with a teflon sleeve on the component side of the board where resistor R12 used to be gt Add 3 24 AWG jumper wires to circuit side of board Add a bus wire between U1 pins 4 amp 5 6 7 SEE NOTE 7 SEE NOIE S IRA ed Y 015 LI 4 f CN gt 1 L i SEE NOTE 6 JUMPER WIRE ADDITIONS LOOKING FROM CIRCUIT SIDE OF PCB Page A 2 APPENDIX A SS2000 Microphone Preamplifier Board Engineering Updates Add the following resistors to the circuit side of the board i O d DIAS SAS SEE NOTE 4 SEE NOTE 9 O O eq quan de sar p n R SEE NOTE 9 O Lago O Lee rette lei Cen RESISTOR ADDITIONS LOOKING FROM CIRCUIT SIDE OF PCB Securely fasten the modified SS2000 back onto the control station Reconnect the power supply and microphone cables to their correct positions 11 Connect the control staion to the system 10 Page A 3 A AS APPENDIX 552000 Microphone Preamplifier Board Engineering Updates Notes Page A 4 APPENDIX B ADD MOMENTARY PUSHBUTTON SWITCH J 12 ADD 473 LAMP OR 12 14V 80mA LAMP MODEL 4020
35. adjust listening levels for personal comfort When mono headphones are used they are fed only the left channel program interrupted program audio A standard TW Intercom belt pack is fully compatible with this system and may be used in place of the Model 4020 User Station if necessary IFB is also known as IRF Interrupted Return Feed and foldback 13 CENTRAL ELECTRONICS MODEL 4010 The Central Electronics unit contains all the necessary control functions and electronics to provide the active link between the Control Station and the User Station It accepts three program inputs four microphone inputs and switch keying signal inputs from up to four Control Stations In addition it supplies composite output feeds to the User Station belt packs line level audio feeds to the Stage Announce SA amplifier relay contacts for monitor muting and interconnection to the Control Stations The three bridging program inputs are available on a rear panel terminal strip These signals are attenuated and fed to eight front panel selector switches that assign any one of the three program sources to the respective front panel level control The output of this level control is fed to a driver amplifier which sends audio to the noninterrupted output This uninterrupted signal feeds the User Station right channel line input For the interrupted channel the output of the level control is fed to an electronic switch then to a summing amplif
36. audio enters on pin two of the rear panel XL connector schematic SD1905 and passes through D1 which provides reverse current protection The output of is set for 13 volts by R6 and R7 C8 slows down the current response of VR1 This keeps the input to VRI a high impedance C12 and C15 provide filtering AMPLIFIER The interrupted signal is coupled by C11 and fed to front panel level control R10 This is fed to power amplifier IC U2 This IC has a gain of 50 and can supply an output power of watt via a 10 ohm safety resistor The non interrupted input is coupled by to front panel level control R1 and amplified by U1 The outputs from both amplifiers are made available through phone jacks on the rear panel 4 6 RETURN IFB FUNCTIONAL DESCRIPTION The return function is activated by adding additional load at the User Station This is accomplished by switching a number 73 lamp across the 12 volt supply in the User Station This extra load is sensed in the Central Electronics by 5 for channel 1 The setting of R4 determines the current at which the talkback relay trips When the voltage across the emitter and base of 15 greater than 0 6 volts Q1 conducts pulling the base of Q7 up This causes Q7 to conduct and energize the coil of the external talkback relay The external relay is then used to switch the microphone associated with that User Station from the mixing console to a separate amplifier and spea
37. is louder than the mic monitor and the output monitor levels To set program level to the User Stations turn the monitor selector switch to OUT 1 Set program select switches under OUTPUT 1 to the desired channels Set the program level to its midpoint Have someone depress an IFB 1 button on a Control Station and speak into the microphone Compare the interrupt level with the program level and adjust program levels as needed for a balance between the program and interrupt audio Repeat this procedure for the remaining outputs When the monitor select switch is in the SA position the left headphone recieves the SA program before it is interrupted The right headphone recieves SA audio after the interrupt switch 3 3 CONTROL STATION OPERATION MODELS 4001 4001M 4002 4002M 4003 4003M To use a Control Station press the button or buttons of the channel s you wish to interrupt and speak into the microphone 3 4 USER STATION OPERATION MODEL 4020 Connect the User Station to the Central Electronics via the 3 pin XLR 3 connector on the rear of the User Station Polarity and correct connections are important for proper operation To save time check the connections to make sure that pin 1 is common and 2 has the 28 volts dc on it with respect to pin 1 three wire operations pin 3 will have only the uninterrupted audio on it and no dc In two wire operation it is absolutely essential that pin 2 carry the de positive and that pi
38. lt J5 10 lt J4 1 lt J4 2 lt J4 3 lt J4 4 lt J4 5 lt 44 6 lt 4 7 lt 4 8 lt 4 9 lt J4 10 lt 45 1 lt 45 2 lt 5 3 lt 5 4 lt J5 5 lt J5 6 lt 5 7 lt 45 8 lt 95 9 lt 45 10 DWG NO WD 222279 ROS sma om omm GOOSENECK Mic MODEL 4001M ONLY 26 TOP VIEW 45 1 4 1 gt 4 Bo 4 MTG SCKEW 4 PLACES 1 1 9894 150 TYP 24 4 CUTOUT FOR CONSOLE 1 459 201 6 ALL DIMENSIONS INCHES mm UNLESS OTHERWISE SPECIFIED CONTRACT NO MODELS 2561 4001 a 4 66 A DRAW q IFB CONTROL PANEL ZILS 1 225kg INSTALLATION DIMENSIONS de e dec la 0 arr Hf 6057 2 5 2159 102466 Installation Dimensions Models 4001 4001 Control Panel 9 9884 102464 Installation Dimensions Models 4002 4002 IFB Control Panel A GOOSENECK MIC MODEL 4002M ONLY TOP VIEW 43 7 uoce er 4m M 26 4 12 725 184 15 50 8 MTG SCREW dcc A PLACES 9 150 241 6 10 7 271 8 COTOUT FOR CONSOLE 11 688 296 9 12 250 311 2 ALL DIMENSIONS INCHES mm CONTRACT me e MODELS 2002 4002 7 22 oth CONTROL PANEL ISSUED WEIGHTS 4002 2 3 LBS 1 043 kg 4OOZM 2 91085 1 52 kg POW
39. the change in signal from the program to the mic pre Look for the light to go bright on both Control Stations Release IFB1 and press IFB ALL check for the change in signal and all the lights to go bright Turn the monitor select switch to OUT 2 and repeat the test for IFB2 Turn the monitor select switch to OUT 3 and repeat for IFB3 Turn the monitor select switch to OUT 4 and repeat for IFB4 Turn the monitor select switch to SA Connect the oscilloscope to ring of monitor headphone jack and repeat for SA 5 4 4 MODEL 4002 IFB CONTROL STATION PROCEDURE TEST Equipment Needed Oscilloscope or stereo headphones Two audio signal generators Central Electronics Model 4010 Tested Model 4002 Splitter Assembly Model 4025 Inspection Check for damage or missing parts Check for broken or frayed wires Check that R12 15 2 2 ohms and that U2 is an LM317MP Setup Connect the left channel of the monitor headset jack tip from the Model 4010 to the oscilloscope or plug in a set of stereo headphones Set the 4010 for program on all four outputs and the SA output Set the monitor select switch to OUT 1 On the 4002 being tested plug the first 10 pin connectors into 77 and 78 Plug the fifth 10 pin connectors into J3 and 76 Plug the 50 connector that Page 5 6 comes from 75 and J7 into the Splitter Assembly Plug a tested 4002 into the Splitter Assembly also Plug the splitter into the 4010 Central Electronics
40. the limiter C6 D1 and D2 form a voltage doubler circuit that charges C3 with a negative voltage that varies with the output level of U1 This negative control voltage is fed to the gate of Q1 The stronger the signal is the more negative the gate of Q1 is This causes Q1 to turn off and it s resistance to go high This allows more feedback to reach the negative input of U1 thus reducing the gain of the circuit The output of U1 is fed to one side of T1 C15 is normally connected to the centertap The balanced audio output is fed through P1 to the switch board Page 4 3 4001 SWITCH BOARD The audio is received through Ji When any button is pressed the switch is closed and the audio passes through to J3 pins 7 and 8 All switches are illuminated so that legends may be read in darkened room The illumination 15 of a two level type bright when the button is depressed and dim otherwise Diodes D9 010 and D11 make a 7 volt rail that 15 the low brightness sink for the lamps When IFB1 is pressed D120 and pin 1 of J3 are pulled low J3 pin 1 sends the control signal back to the Central Electronics D120 pulls J2 pin 1 low J2 pin 1 is the tally signal to the other Control Stations D23 pulls lamp DS6 low turning it fully on When the IFB ALL button is pressed D24 and D26 D29 are pulled low D26 029 pull all the IFB signal lines low as if all the buttons had been pressed This turns the lights on bright sen
41. two separate areas of speaker muting e g the audio booth Control Station SA function may be engaged muting that local speaker only and not affecting the production control room speaker Page 1 1 SA is also known as Studio Announce or Studio Address A front panel monitor section allows for selectable monitoring of any input or output signal v a a stereo phone jack A volume control and a selector switch affect only the monitor circuits and do not interfere with other functions Inside the Model 4010 a single large circuit board is used to mount all electronic components rear panel terminal strip provides connections for the program inputs IFB outputs SA output and relay contacts Connection between the Control Stations and the Central Electronics is made through a 50 microribbon connector 1 4 CONTROL STATION MODELS 4001 4002 4003 4001M 4002M 4003M The Control Station is designed to mount in a console or equipment rack lt provides a given number of switch functions according to the model number The 4001 offers 1 thru 1FB 4 IFB ALL and SA The 4002 has IFB 1 thru IFB 8 IFB ALL SA 1 and SA 2 Model 4003 supplies 1 thru 12 IFB ALL SA 1 SA 2 and SA 3 Each model number may be ordered with an suffix This refers to a gooseneck microphone attached to the panel Should an existing microphone be more suitable for operations a connection on the Control Station microphone prea
42. voltage transformer turn voltage up slowly check for excessive current drain Measure the 13 volt 24 volt and 40 supplies With 120 vac input check for 14 27 and 40 volts 10 Check for 29 volts 1 volt on each output C Short each output while measuring the voltage across the respective 10 ohm 5 watt resistor Measure 1 8 volts 0 2 across each resistor with output shorted II Program Inputs Set all channel select switches to 1 all controls to minimum Feed a 1 kHz tone to program channel 1 a 100 Hz tone to channel 2 and 10 kHz tone to channel 3 Set tone level for 4 dBu A With an oscilloscope on INT output 1 turn up level watch for smooth operation of the pot output level should reach 4 dBu Switch program to channel 2 and then to 3 check to see that the level drops no more than 1 5 dB Move the oscilloscope to NON INT output 1 check for maximum level and switch program to 1 2 3 B Repeat A for channels 2 through 4 C SA Connect scope to SA out load with 2 kilohms check for 1 2 dBu 1 8 volts p p Check programs 2 amp 3 III Interrupts With program input listen with belt pack on channel 1 Listen for noise Set controls for program in both ears mono stereo switch in stereo position Press priority 4 IFB1 listen for interrupt in the left ear only While holding priority 4 down press priority 3 IFB1 listen for override Release priority 4 While holding 3 press priorit
43. 0 916 50 gt gt 47 50 P5 10 lt J5 10 3 eI m o9 WIRING DIAGRAM 1FB SYSTEM 68 0 SERES 4000 SIZE FSCM NO DWG NO _ 20572 o 2449 es DOES METETE WD244 u Wiring Diagram IFB System Series 4000 sheet 1 of 2 9 1 9884 Model 4001 Control Station SWl J3 1 SW2 J3 2 SW3 J3 3 514 03 4 gt SW5 J3 5 COM J3 6 AUD J3 7 AUD J3 8 03 9 gt COM 33 10 Tally SWl J2 1 682 92 2 gt SW3 J2 3 SW4 J2 4 5 SW5 J2 5 586 12 6 2 12 7 gt 02 8 gt 02 9 gt 12 10 2 Control Station 4 SWl J3 1 5 SW2 J3 2 SW3 j3 3 5 SW4 J3 4 5 585 13 5 2 023 6 gt 93 7 gt 13 8 2 COM J3 9 COM J3 10 Tally SWl 32 1 SW2 J2 2 SW3 J2 3 gt SW4 J2 4 gt SW5 J2 5 gt SW6 J2 6 gt 02 7 gt 02 8 gt 12 9 gt COM J2 10 gt 9020 2438 00 Cable priority control gt P3 1 pee dal J16 11 gt gt 3 2 J16 36 gt gt 3 3 216 12 gt gt P3 dee 916 37 gt gt P3 5 716 13 gt P3 6 ge Il vus J16 38 gt gt P3 7 J16 14 gt gt 3 8 J16 39
44. 21 gt gt 1 21 p2 21 515J7 21 5 1 lt 15 1 SW2 J2 2 P2 2 916 46 gt gt 1 46 P2 46 gt gt 42 46 EL 5 46 25 gt 1 46 P2 46 gt gt J7 46 me 5 2 lt lt 5 2 SW3 J2 3 gt 2 3 J16 22 gt gt P1 22 P2 22 gt gt J2 22 25 22 gt 1 22 2 22 gt 4 gt 17 22 P5 3 lt 55 3 584 12 4 2 gt P2 4 EVE ER ce J16 47 gt gt P1 47 URS P2 47 gt J2 47 ic a 5 47 gt gt 1 47 P2 47 gt gt 7 47 ee 5 74 lt 75 4 5 5 12 5 2 gt P2 5 ru eee get 216 23 gt gt P1 23 ida P2 23 gt gt 72 23 5 23 gt gt 1 23 P2 23 gt gt 17 23 p5 5 475 5 SW6 J2 6 gt 2 6 J16 48 gt gt P1 48 2 48 51 gt 72 48 J5 48 gt P1 48 2 48 3 27 48 5 6 lt J5 6 1212 7 2 7 J16 24 gt gt P1 24 P2 24 gt gt 12 24 175 24 3 gt 1 24 2 24 gt gt 17 24 5 7 lt 35 7 COMsecmI Bocca 2 116 49 gt gt 1 49 2 49 gt 22 49 15 49 5 gt 1 49 2 49 gt gt 17 49 P5 8 lt J5 8 72 9 gt 2 9 16 25 gt gt 1 25 2 25 gt gt 72 25 15 25 gt 1 25 2 25 gt 07 25 5 9 lt 05 9 02 10 gt 2 1
45. 802 0003 00 9020 2141 00 2007 0038 00 2008 0013 00 2501 0001 00 9080 1980 00 9100 2332 00 9020 2140 00 1303 0003 00 9100 1982 00 RTS Part Number 1006 0003 00 1006 0006 00 1007 0007 00 1007 0008 00 1007 0022 00 1008 4035 00 1401 3301 5F 1402 1000 5D 1402 1000 5E 1402 1001 5D 1402 1002 5D 1402 1003 5D 1402 10R0 5E 1402 1500 5D 1402 1501 5D 1402 2000 5D 1402 2201 5D 1402 2201 5 1402 2202 5D 1402 22R0 5D 1402 2400 5D 1402 3902 5D 1402 4700 5D 1402 4701 5D 1402 4702 5D 1402 4R70 5D 1402 5102 5D 6 5 8 Printed Circuit Assembly Model 4010 CC4010 9030 1974 00 E DNI J SS NS RE a e qe Description Res CF 820 ohm 1 2w 5 Res MF 1 21K ohm 1 4w 1 Res MF 243 ohm 1 4w 1 Res MF 27 4K ohm 1 4w 1 Res MF 4 02K ohm 1 4w 1 Res WW 10 ohm 5w 5 Pot 50K Audio CP 70U4N040S503A Pot 10K Audio Dual Bourns 81A2AB24D15D15 Pot DL 50K Audio CP AB 26M906 Pot Trim 500 ohm Piher PT10LV Cap 100pf 50v Cer Disc Radial Cap 001uf 100v C D Radial Min 1 Leads Cap 01uf 1kv C D Disc radial Cap 220pf 50v Cer Disc Radial Cap 470pf 50v Cer Disc Radial Cap Mono 1uf 50v 1 Spacing 1 Length Cap Elec 3300uf 25v Axial Cap Elec 10uf 50v Radial Cap Elec 100uf 16v Radial Cap Elec 47uf 25v radial Cap Mylar 1uf 400v Radial Cap MMK 1 100V 10 Sub 1514 R105 2U Cap Tant 10uf 16v Radial Cap 01 5kv Cer
46. CONTENTS SECTION 1 INTRODUCTION AND SPECIFICATIONS 1 1 1 1 INTRODUCTION A AA AE e ow a 1 1 1 2 USER STATION MODEL 4020 1 1 1 3 CENTRAL ELECTRONICS MODEL 4010 1 1 1 4 CONTROL STATION MODELS 4001 4002 4003 4001M 4002M 4003M 1 2 1 5 SPLITTER ASSEMBLY MODELS 4022 AND 4025A 1 2 Sd here ea ARR So ee 1 2 LP OPECIPICATIONS acotar a iege do h ete ee dr Sd asuy 1 3 1 7 1 MODEL 4010 CENTRAL ELECTRONICS 1 3 1 7 2 MODELS 4001 4001 4002 4002M 4003 4003 1 3 SECTION 2 INSTALLATION ox CE E PURO OD Ae 6 a et ion 2 1 2 1 STANDARD INSTALLATION ici AA Ai s as s se sns e o 2 1 2 1 1 INPUT ELECTRICAL POWER MAINS 2 1 212 CONFIGURATIONS AA is 2 1 2 1 3 WIRE AND CABLE CONSIDERATIONS 2 1 2 1 4 CONNECTION TO EXISTING MICROPHONES TW TYPE USER STATIONS amp OTHER SOURCES 2 1 22 OPTIONS INSTALLATION ack ack Gob e Aree AR ee a a 2 1 22221 SELING PRIOR us da daa ede ox un ica 2 2 2 2 2 SETTING UP SPEAKER MUTING ZONES RN
47. ER PACK REF O 1 4 LBS 5 INSTALLATION DIMENSIONS ee ERE REESE SE SCALE fee 5 GOOSENECK MIC MODEL 4000M ONLY TOP VIEW 43 7 4 7 3 4 26 4 2 0 E 12 5 511 5 50 8 o 1 615 MTG SCREW 4 5 669 3 47 5 FU de PLACES wo nn oc AN A A SS s n 2S0 TYP 1 4 21 15 Gs 17 00 431 18 CUTOUT FOR CONSOLE 18 376 466 15 19 00 482 6 ALL DIMENSIONS INCHES mm CONTRACT NO PRODUCT LINE MODELS 4065 4003M WEIGHTS 4003 2 4 LBS 1 089 kg Ar Sotes LY DIMENSIONS POWER PACK REF 1 4185 0858 PP bep oem omm ms Blees 240717 _________ _______ 151 _ 1D2467 _ Installation Dimensions Models 4003 4003M IFB Control Panel 102465 Installation Dimensions Model 4010 Central Electronics OPTION emp om CONN TO CONTROL RETURN FUSE POWER CORD STATION S 1FB CONN 7 A OUTPUTS PAM INPOTS i 1 50 i072 43 7 or 2 38 1 MTG HARDWARE 2 PLACES BOTH SIDES e 32 Ye SCREW 6 32 KEP NOT REAR SUPPORT BRACKE T BOTH SIDES 15 00 381
48. INPUT POWER SELECTION The Model 4010 is designed to operate on 50 or 60 Hz 120 volts ac 10 with the jumpers as in figure 5 24 moving the jumpers between T10 and Til it may be converted to 220 240 volts ac 10 operation figure 5 2B 5 3 2 CLEANING Clean the front panels and the cases of the Series 4000 components with denatured alcohol or a mild solution of detergent and water Clean the interiors of the units with dry low pressure air The circuit board can be cleaned with any good quality electronic cleaning solvent Avoid getting the solvent in the switches 5 3 3 FUSE REPLACEMENT The Model 4010 Central Electronics has two fuses The one the rear panel is a 3 4 amp slo blo fuse The fuse inside the unit is 1 amp slo blo Page 5 1 DIFFUSER FILM INSERT LENS Figure 5 1 Lamp Replacement Page 5 2 ls O Lu 4 ER Z LJ O PCB 4010 A 120VAC Figure 5 2A Input Power Selection 120 VAC Page 5 3 CENTRAL ELECT PCB 4010 Figure 5 2B Input Power Selection 240 VAC Page 5 4 5 4 PERFORMANCE CHECK 5 4 1 MODEL 4010 TEST PROCEDURE Equipment Needed Four Control Stations 4001 M 4002 M or 4003 M A 4020 User Station Three program sources oscillators etc Stereo headphones Oscilloscope Voltmeter Ac Voltmeter Cable assembly Variable voltage power transformer I Power Supply A With variable
49. L 4001 MIC PRE BOARD CC4000 9030 1999 00 6 2 6 3 3 FRONT PANEL MODEL 4001 9070 2006 00 22222102 6 3 6 3 3 1 FRONT PANEL MODEL 4001M GOOSENECK 9070 2360 00 6 3 6 4 SHIPPING LIST MODEL 4002 9000 2361 00 6 3 6 4 1 FINAL ASSEMBLY MODEL 4002 9010 2011 00 6 3 6 4 2 PRINTED CIRCUIT ASSY MODEL 4002 MIC PRE BOARD CC4000 9030 1999 00 6 4 6 4 3 PRINTED CIRCUIT ASSY MODEL 4002 SWITCH BOARD 9030 4376 00 6 5 6 4 5 FRONT PANEL MODEL 4002 9070 2014 00 22222221 6 5 6 4 5 1 FRONT PANEL MODEL 4002M GOOSENECK 9070 2361 00 6 5 6 5 SHIPPING LIST 4003 0000 2363 00 22212214 6 5 6 5 1 FINAL ASSEMBLY MODEL 4003 9010 2019 00 6 6 6 5 2 PRINTED CIRCUIT ASSY MODEL 4003 MIC PRE BOARD CC4000 9030 1999 00 6 6 6 5 3 PRINTED CIRCUIT ASSY MODEL 4003 SWITCH BOARD CC4000 9030 4377 00 6 7 6 5 4 FRONT PANEL MODEL 4003 9070 2022 00 6 7 6 5 4 1 FRONT PANEL MODEL 4003M GOOSENECK 9070 2364 00 6 7 6 5 5 SHIPPING LIST MODEL 4010 9000 2365 00 222210 6 8 6 5 6 FINAL ASSEMBLY MODEL 4010 9010 2138 00 LLLLLL 6 8 6 5 7 BACK
50. M 1 PROGRAM VT T Yi PROGRAM SELECT USER STATION ELT PACK MODEL 4020 D19 TALLEY TO OTHER CONTROL STNS D16 55 BUFFER NONINTERRUPT 2 5 22 AMP OUTP 5 HEADPHONE 68 200 on a zz mm a 0 BUFFER INTERRUPT ELECTRONIC 1 82 SWITCH OUTPUT HEADPHONE LEVEL EXT MIC IN INTERRUPT VOLUME MIC PRE Figure 4 1 Line Diagram Series 4000 IFB System Page 4 2 PROGRAM AUDIO INPUT The program enters at the rear terminal strip through resistors R241 R246 R158 R160 a bridging pad and T2 T4 These transformers convert the balanced audio to unbalanced audio for switching The unbalanced program is then coupled to the program buses through C80 82 The buses are biased at 6 volts dc with R229 R231 to allow an audio signal of up to 12 volts peak to peak to pass through the CMOS switches without distortion CONTROL STATION AUDIO INPUT The Control Station balanced line level microphone audio enters the unit through T5 T8 where it is unbalanced and fed to four mic buses This will be refered to as the mic signal For channel 1 interrupted side program passes through 52 to R16A the program level control Program is the audio that enters through the rear panel terminal strip and transformers T2 T4 From there 1t passes through R13 the CMOS switch U3 10 and 5 to the input o
51. R MASK OM TRACE TO SOLDER PADS FOR RIS 5 ADD BUS WIRE JUMPER BETWEEN Ul PINS 7 4 ADD 24 AWG GRAY JUMPER TO CIRCUIT SIDE 3 PLACES ces 3 CUT TRACE 5 PLACES Frac TOME 2 PUT A 822 AWG BUS WIRE WITH A TEFLON SLEEVE IN ITS PLACE COMPONENT SIDE I FOR PART NUMBERS AND DESCRIPTIONS SEE PL 9030 1999 00 NOTES CONTRACT PRODUCT LINE S L 9884 IFB SYSTEM SERIES 4000 WIRING DIAGRAM REVISIONS Model 4001 9020 2438 00 Cable 4015 XX Cable 4025 Splitter 4015 XX Cable 9020 2141 00 4010 Control Station priority control signals SWl J3 1 gt P3 rl w 216 1 gt pl l P2 1 gt gt J1 el a J5 LL gt P1 1 lt 2 1 gt 297 ri eee 1 1 lt 401 rl SW2 J3 2 gt gt 3 2 TS 916 26 gt gt P1 26 M 2 26 gt gt 11 26 25 26 gt gt P1 26 P2 26 gt gt 17 26 ES 1 2 lt lt 21 2 583 13 3 gt gt P3 3 116 p2 gt gt P1 2 2 2 gt gt 41 2 A 5 2 gt gt 1 2 P2 2 gt gt 7 2 1 3 lt J1 3 SW4 3J3 4 gt gt P3 4 ana dn 216 27 gt gt P1 27 2 27 gt gt 41 27 E 75 27 27 TO EM P2 27 gt gt 17 27 Se d Pi 4 lt lt 11 4 SW5 J3 5 gt gt 3 5 Jl6 3 5 5P1 3 P2 3 gt gt J1 3 05 3 gt 2 1 3
52. RI uso 47x Rio uso Ico RSA icon 1 TANT 41 TANT 2 taw C23 TANT ww C94 MPS 425 TANT POL 225 Q 1 50 8256 1156 TANT 7 40 7 22K 22K 2 2K K 98 119 cios 116 001 00 100 01 160 DH as 26812 RAZ 020 LT ik 10 50 w C108 ea C109 4 TEST ATK 001 1 0014 EADSET 100V 100 JACK Je RT ok 205 294 04 1 21 4 1 Sui ul i e2 F 7 5 aso 1507 1150 210 238 zig 1 100 MYLAR 7 26 10 16 TANT 2 10 TANT 10 16 TANT 10 16 TANT RIO RSZ 28 21 47K 57 10 16 RIO 521 RIZ ALTERNATE PIN OUT USING FOR 025 4 U20 Us 0909 8880 nvr 0 Q v ow MAY al 6 K o A sezo 22x r 12 D de urs L sor 120016 580 20 d T y 2 11 2 1221111222 12 222 012022 i DI LIL LH E R I l AE RA PROG Aer E E ee mea c I 44 14 quere Uso TANT ar uU I
53. ROL STATION MODELS 4001 40028 4005 x FSCM HO DWG NO REV D 60572 SD 204 P 1 502043 Schematic Diagram IFB System Control Station Model 4001 4003 Sheet 1 of 2 91 9884 502043 Schematic Diagram IFB System Control Station Model 4001 4003 Sheet 2 of 2 FOR CONTROL STATION MODEL 4003 ON TOL STATION MOD gt 12 Q ALL SA3 12 1 8 gt a ee eee e e e E E 516 0519 52 0521 0525 0521 V Fay Y 94 V V V V 2 Y V V 5 D A 316 y vi Y Y V Y Z V 7 i D 086 pega 069 090 DOI DOZ D93 D 21 5 5 ei ra S REND IC IN Me 562 A EO V 2 0 CENTRAL 502 ME e En al 325 y MI NF DISO 77 gt 21 cm 22 DISI Y A d A um ei RN ESE sl e LQ A 0152 Y gt CENTRAL 502 8 ej o 49 215 5 ___ 50 MR502 Jie l 21 BRN ee REE 2 5 MEE PRESE Re 3
54. aa eq aao aaoo a oe 5 1 Sd INTRODUCTION uuu S b a az 5 1 JASER VICE INFORMATION ZZ aa Sia ee Seah eae ee 5 1 23 GENERAL MAINTENANCE 0725 ANO AA G IAA 5 1 S INPUT POWER SELECTION iii Ai be 5 1 CASES ICM AAA Aa 5 1 333 FUSE REPLACEMENT su 0060 a rd err li idas 5 1 Page iii TABLE OF CONTENTS Continued 5 4 PERFORMANCE CHECK 2 2222 5 5 5 4 1 MODEL 4010 TEST PROCEDURE 5 5 5 4 2 MODEL 4001 CONTROL STATION PRE TEST PROCEDURE 22 5 5 5 4 3 MODEL 4001 IFB CONTROL STATION TEST PROCEDURE 5 6 5 4 4 MODEL 4002 IFB CONTROL STATION TEST PROCEDURE 5 6 5 4 5 MODEL 4003 IFB CONTROL STATION TEST PROCEDURE 2 5 7 5 4 6 MODEL 4020 USER STATION TEST PROCEDURE 5 8 3 9 TROUBLESHOOTING A oh hole Qe bs 5 8 SECTION 6 LISTS OF REPLACEABLE PARTS 6 1 TION ti ERRATI nici 6 1 6 2 HOW OBTAIN PARTS 6 1 6 3 SHIPPING LIST MODEL 4001 9000 2359 00 6 1 6 3 1 FINAL ASSEMBLY MODEL 4001 9010 2003 00 222212 6 1 6 3 2 PRINTED CIRCUIT ASSY MODE
55. am Central Electronics 7264 2214 3 3 K y w 4 MINI HIGH INTENSITY GREEN LED ASSY DIS 26V SOURCE SCHEMATIC DIAGRAM IFB CENTRAL ELECTRONICS MODEL 400 230 vaco IN4OO4 U27 UZO D28 DBA DAI DI2 DAD DI4 NOT USED R29 R58 R204 049 C64 C68 C69 40V LAST USED C117 D108 D5 I FZ K2 20 R250 083 LM3ITK 2212 SOURZE T781 J6 Z 8
56. ard the priority of that Control Station can be changed See figures 2 11 through 2 13 If desired the priority may be defeated by removing U6 and 016 in the Model 4010 Central Electronics In this mode all Control Stations have equal priority The priority override function works only with the IFB keys The stage announce has no priority feature The signals are merely mixed together should two Control Stations be keyed simultaneously 2 2 2 SETTING UP SPEAKER MUTING ZONES Two sets of relay contacts are provided at the back panel of the 4010 Central Electronics for area control of speaker muting These relays work in conjunction with the Stage Announce SA buttons on the Control Stations This permits for example the audio operator to use the SA without interrupting the director s program monitor speaker and vice versa By cutting out the resistors shown in fiugre 2 14 the relay will be deactivated for that station The station numbers are determined by their priority selection see section 2 2 1 Setting Up Priority Station 1 has priority 1 station 2 has priority 2 etc Normally with all resistors intact both relays work when an SA button is pressed on any Control Station 2 2 3 RETURN IFB INSTALLATIONS A return send function may be incorporated with some small modifications see figure 2 15 This feature allows the talent at the User Station to communicate with the Control Stations via a closed circuit loop This is done at
57. d with some small modifications This feature allows the talent at the User Station to communicate with the Control Stations via a closed circuit loop This is done at the User Station by switching in an extra load usually a lamp across the feed to that station Sensor circuits in the Central Electronics turn on relay driving circuits the outputs of which connect to a 9 pin miniature D connector on the rear panel This allows an external relay to be used to transfer the announcer s microphone from the program line to a monitor amplifier or intercom in the control room The person at the control station may now listen to the announcer without having the signal go over the air Page 1 2 A AAA 1 7 1 MODEL 4010 CENTRAL ELECTRONICS Frequency Response 30 Hz to 16 kHz Noise Interrupt channel Non interrupt channel Total Harmonic Distortion Nominal Input Level Microphone line level Program Nominal Output Level To User Stations To SA amplifier Crosstalk From other program inputs Between left amp right channels Dimensions Weight Mains Power Consumption 120 240 VAC 50 60 Hz Frequency Response 50 Hz to 16 kHz Signal To Noise Ratio Total Harmonic Distortion Nominal Input Level Microphone Line Input Impedance Microphone Line Gain Nominal Ouput Level 1 2 dB 78 dBu 83 dBu 0 5 10 dBu input Z 2k ohms O dBu input Z 2k ohms 8 dBu unbalanced Z 10 ohms 5 dBu balanced Z 800 ohm
58. dps Me o E MIC 2 Mic 2 PI RISO 41K FO S 8 USE MU METAL SHIELD OVER TI TS u E ALTERNATE MEADPHONE SPEAKER AMP UATSO7 TC 3 I 36 CONNECTOR NOT SHOWN ON SCHEMATIC UD F IO JI CONTROL STATION J2 CONTROL STATION 2 E J3 CONTROL STATION 3 J4 CONTROL STATION 4 O FERRITE 21 2 6 C3 C14 C25 C30 LAMPS 051 254 lt MOU 5719 7064 20 V J25 45 5 24 5 7 INTEGRATED CIRCUITS UT UN UIT LM ITA UZ OS Liz US U4 U9 U10 1J13 U 14 U19 U70 UZ2 U23 CD4OS3AE US UI5 UZA 14012 UG Ulb CD4049AE oz MC 4249 025 020 TRASZOM 6 TRANSFORMERS T BOURNS LMADOS ox SENTINEL BO LA BOCA SIGNAL 2 200 DIODES 01 024 INAOO 4 71 050 1 414 05 DTO IN400 4 HITS DOTZE INDIA DOS 90 93 96 INA004 097 10061 14 B FoR 50 Hz OPERATION CHANGE FI TO AASB FZ TO 3 CUTTABLE TRACES ARE SHOWN 2 CAPACITANCE VALLES ARE SHOWN MICROFARADS VOLTS L ALL RESISTORS ARE CARBON FILM V WATT 55 NOTES UNLESS OTHERWISE SPECIFIED i CORTRACI PRODUCT LINE DET Y DOS E DIO 2842 4 7 3 4 CHASSIS PROGRAM PROGRAM PROGRAM AUDIO GND 3 2 1 AUDIO INPUT INPUT INPUT 12 Schematic Diagr
59. ds tally signals to other Control Stations and sends control signals to the Central Electronics for IFB1 IFB4 D25 causes the SA function to work when the IFB all button is pressed D116 D120 prevent another station s tally signal from triggering this station s control to the Central Electronics D18 D23 prevent one station from sinking all the low lamp level bus current D12 D17 power the lights on dim 4002 SWITCH BOARD The 4002 switch board is just like two 4001 switch boards put together The only difference is that there is only one IFB ALL button on the 4002 The audio to the first Central Electronics is switched by K1 when the IFB ALL button is pressed K1 isolates the two Central Electronics preventing a hum loop from being developed 4003 SWITCH BOARD The 4003 switch board is similar to three 4001 switch boards put together except that there is only one IFB all button The audio to Central Electronics one and two is switched by K2 and K3 when IFB ALL is pressed K2 and K3 isolate the three Central Electronics and prevent hum loops from being developed 4 5 USER STATION FUNCTIONAL DESCRIPTION The 4020 User Station consists of two headphone amplifiers and a regulator that has a high input impedance The high input impedance reduces audio line losses and in addition allows the 4020 User Station to be used as a dual channel listen only station on the TW intercom system POWER SUPPLY The dc and interrupted
60. e oscilloscope to ring of monitor headphone jack and repeat for 5 1 Now unplug the 50 pin cables from both units and attach them to the second 50 pin connectors on the 4003 s Repeat the above test for IFB5 IFB8 and SA2 Unplug the 50 pin cables from both units and attach them to the third 50 pin connectors on the 4003 s Repeat the above test for IFB9 1FB12 and SA3 noting that the IFB ALL lamp will light on the 4003 5 4 6 MODEL 4020 USER STATION TEST PROCEDURE I Set Up A Equipment Needed Oscilloscope Voltmeter Audio signal generator RTS Systems power supply or Model 4010 Central Electronics B Inspection Check circuit board for damage or missing parts Check for proper insertion of ic s Check for broken or frayed wires C Unit Set Up Adjust both volume controls to minimum Attach oscilloscope with 50 ohm load to the left channel output tip of the stereo headphone jack II Test Plug the unit in and check for 13 volts 1 volt on filter capacitor C12 Apply a 1 kHz signal at 2 volts peak to peak to channel 1 This may be done through the 4010 Central Electronics or with an RTS Systems TW power supply Output should be 0 6 volt peak to peak Change the frequency to 10 kHz and to 100 Hz The signal should remain above 0 4 volt peak to peak Return the signal generator to 1 kHz Increase the INT volume control so that the waveform is just clipped then back off the control until no cli
61. e Stage Announce output is balanced and provides cables to the Central Electronics to remain signal carrying only avoiding the chance that a shorted cable might bring the entire system down This local power supply provides power for the electronics and the switch lamps 2 1 1 INPUT ELECTRICAL POWER MAINS The standard Model 4010 IFB central electronics is designed to operate on 120 volts ac 10 at either 50 or 60 Hz The 90 100 volt model is designed to operate at 96 volts ac 10 50 or 60 Hz The 220 volt model operates on 220 volts ac 10 50 or 60 Hz The 240 volt model operates on 240 volts ac 10 50 or 60 Hz The series 4000 control stations require 12 14 volts ac or 16 20 volts dc A wall mounted power module with an output of 12 14 volts ac at 1 amp is provided for this Any external supply or transformer capable of supplying this may be used The output connects to TB2 terminals 3 and 4 on the microphone preamplifier board of the controlistation See figure 2 1 2 an average signal level of about 5 dBu See figure 26 The program inputs accept balanced lines with a signal level of 4 to 8 dBu See figure 2 6 2 1 4 CONNECTION TO EXISTING MICRO PHONES TW TYPE USER STATIONS AND OTHER SOURCES Any series 4000 Control Station can be connected to existing microphones figures 2 7 and 2 8 and TW type user stations A series 4000 Control Station can use the microphone an existing TW type user station
62. egulator takes power from the combined audio and dc line to operate the headphone amplifiers The headphone amplifiers take the line level audio from the Central Electronics and amplify it to drive headphones 4 3 CENTRAL ELECTRONICS FUNCTIONAL DESCRIPTION POWER SUPPLY The power supply consists of T9 T10 and T11 schematic diagram SD1914 each rated at 10 volts rms The 10 volts ac of each transformer is rectified by full wave bridge rectifiers consisting of diodes D73 D84 65 C67 provide filtering 83 C94 prevent 073 D84 from causing radio frequency interference The outputs of these three separate supplies are connected in series to provide 13 volts 26 volts and 40 volts dc 085 087 provide polarity reversal protection to the filter capacitors should any of the supply rails be shorted U29 provides current limiting to the 40 volt supply U33 schematic upper right provides 20 5 volts 4 to power the op amps U32 bottom center provides 12 volts dc to bias the op amps U30 bottom right provides 12 volts dc t power the CMOS electronic switches and the other digital IC s U31 top left provides 12 volts de to power the monitor headphone amplifiers D108 with of U21 center right provide 6 volts dc to bias the program buses for the CMOS switches Page 4 1 CONTROL STATION MODELS 4001 4002 12 4003 CENTRAL ELECTRONICS MODEL 4010 4 PROGRAM BUSES PROGRA
63. f the summing amp U2 From there the audio is coupled through C3 to the adjust terminal of voltage regulator 01 This causes the audio signal to be added to the 29 volts de at the output of Ul The noninterrupted audio passes through program select switch S3 front panel level control R16B internal mono stereo switch S1 and the buffer amp the second half of U2 INTERRUPTING When the IFB 1 switch in Control Station number one is pressed D51 is brought low This pulls pin 9 of U3 low causing switch C to switch from audio ground to the MIC 1 bus Pin 10 of nand gate US is also pulled low causing pin 13 to go high and switch B to disconnect the program Pin 14 of inverter U6 is pulled low causing pin 15 to go high thus inhibiting the lower priority stations through D27 D29 AC DC LINE DRIVER R5 is the current limit sense resistor When the drop across R5 is greater than 1 9 volts the adjust terminal of U1 is pulled low keeping the output dc through R5 equal to or less than 200 milliamps TALKBACK IFB SENSE The setting of R4 determines the current at which the talkback relay trips When the voltage between the emitter and base of Q1 is greater than 0 6 volt Q1 conducts pulling the base of Q7 up This causes Q7 to conduct and energize the coil of the external talkback relay SPEAKER MUTE When the SA button on Control Station number 1 is pressed D67 lower right is pulled low pulling pins 11 and 3 of U24 low Th
64. f the unit is powered but still no audio check the microphone connections at the terminal block on the CC 4001 card of the Control Station Control Station does not interrupt check the cables going to the Central Electronics Make sure that the priority plug on the Control Station are plugged in Replace the Control Station still no results repair or replace the Central Electronics SECTION 6 LISTS OF REPLACEABLE PARTS 6 1 INTRODUCTION This section contains parts lists and instructions for ordering replacement parts The parts lists are divided into four sections shipping list final assembly back panel and or front panel and printed circuit board immediately following the description of a part i the manufacturer and the manufacturer s part number 6 2 HOW TO OBTAIN PARTS Parts may be obtained directly from Telex Communications Inc Telex Communications Inc 12000 Portland Avenue South Burnsville MN 55337 U S A Telephone 877 863 4169 Fax 800 323 0498 6 3 SHIPPING LIST MODEL 4001 9000 2359 00 hd Model 4001 Control Station Power Supply Calrad 45 768 Technical Manual Shipping Carton Plastic Bag 6 3 1 FINAL ASSEMBLY MODEL 4001 9010 2003 00 Deseripi Spacer Hex 4 40 x 3 4 Smith 9402L Spacer Hex 4 40 x 1 Thd Smith 94020 Cable Mtg Cradle Panduit 154 Washer Lock 4 Internal Tooth Screw 4 40 1 2 Phil Pan Yel Cad Screw
65. g 4375 6 3 3 Front Panel Model 4001 9070 2006 00 Qty Description 8 5 Extrusion Front Panel W O Grooves 4 x 1 3 4 6 3 3 1 Front Panel Model 4001M Gooseneck 9070 2360 00 Qty Description 1 Gooseneck Mic 20 1 Gooseneck Windscreen 6 4 Shipping List Model 4002 9000 2361 00 Oty Description Model 4002 Control Station Power Supply Calrad 45 768 Technical Manual Shipping Carton Plastic Bag 6 4 1 Final Assembly Model 4002 9010 2011 00 Description Spacer Hex 4 40 x 3 4 Smith 9402L Spacer 3 16 D x 3 16 RD No Thd Smith 9016 Spacer Hex 4 40 x 1 Thd Smith 94020 Cable MTG Cradle Panduit TM1S4 Hex Jack Screw 9 16 Elec Hdware RA 47 50 7 Washer Lock 4 Internak Tooth Screw 4 40 x 1 2 Phil Pan Hd Yel Cad Screw 4 40 x 3 4 Allen Set o g Page 6 3 RTS Part Number 2711 0001 00 9020 5841 14 2007 0039 00 9040 4375 00 RTS Part Number 9050 2314 00 RTS Part Number 2608 0025 00 2612 0121 00 RTS Part Number 9000 2361 00 2202 0009 00 9300 2594 00 RTS Part Number 1001 0133 00 1001 0134 00 1001 0135 00 1005 0046 00 1005 0092 00 1006 0003 00 1008 4025 00 1008 4079 00 6 4 1 Final Assembly Model 4002 9010 2011 00 Oty 11 11 2 10 2 1 Description Lens Cap Flat Clear EAO 99 921 7 Legend Plate Flat Wh EAO 99 908 9 Cable Assy IFB amp VI Per Dwg 2483 Connector 10 Pin 3M 3473 6010 Conn 50
66. gt gt 3 9 216 15 gt P3 10 J16 40 gt gt P2 1 w J16 21 gt gt 2 2 216 46 gt 2p2 jes e J16 22 gt 2 4 E J16 47 gt gt 2 5 416 23 gt P2 6 ER J16 48 gt gt 2 7 Pa J16 24 gt gt P2 8 J16 49 gt p2 9 J16 25 gt P2 10 J16 50 gt priority 4 control gt P3 1 mice aE J16 16 gt gt 332 J16 41 gt gt 3 3 016 17 gt gt P3 4 eee 216 42 gt gt 3 5 J16 18 gt gt P3 6 916 43 gt gt 3 7 J16 19 gt 2 8 J16 44 gt gt P3 9 J16 20 gt WD2449 Wiring Diagram IFB System Series 4000 sheet 2 of 2 IFB SYSTEM SERIES 4000 WIRING DIAGRAM 4015 XX Cable signals gt 1 11 2 11 gt gt 1 36 P2 36 gt 2 1 14 2 12 gt 1 37 2 37 gt gt P1 13 fas 2 13 gt 1 38 ci priora cio go P2 38 gt gt P1 14 P2 14 gt 2 1 39 2 39 gt gt P1 15 ES P2 15 gt gt 1 40 al a LEN 2 40 2 1 21 2 21 gt gt 1 46 P2 46 gt gt 1 22 P2 22 gt gt 1 47 2 47 gt gt P1 23 P2 23 gt gt 1 48 P2 48 gt gt P1 24 AES e P2 24 gt gt 1 49 P2 49 gt gt 1 25 Se eps 2 25 gt 1 50 P2 50 gt signals 2 1 16 P2 16 gt gt 1 41 P2 41 gt 2 1 17 2 17
67. ic Page N 1 NOTES continued Shure SM12 Mini Headset 2000 ohm single earphone omni mic Astrolite MHS 11 Mini Headset 600 ohms single earphone omni microphone Roanwell 490 150 001 694 Commentators Headset 300 ohm single headphone noise cancel mic 491 150 001 694 Commentators Headset 300 ohm dual headphones noise cancel mic Philmore P8 Earphone 15 ohms 750 Earphone 8 ohms stethscope style Page N 2 O 502043 602043 551973 54377 501914 SECTION 7 DIAGRAMS RTS Systems Document Number Size AS1999 55123 WD2449 WD2449 102466 102464 102465 102467 102468 501905 104307 104308 Title Page Assembly Diagram P C B Mic Pre Control Panel IFB System Model 4000 7 3 Assembly Diagram P C B Mic Pre Modifications To Update Rev C Artwork Model 4000 7 4 Wiring Diagram IFB System Series 4000 sheet 1 Of 2 eee 7 5 Wiring Diagram IFB System Series 4000 sheet 2 of 2 een 7 6 Installation Dimensions Models 4001 4001M IFB Control 1 7 7 Installation Dimensions Models 4002 4002M IFB Control 1 7 8 Installation Dimensions Models 4003 4003M IFB Control 1 2 2 7 9 Installation Dimensions Model 4010 IFB Central Electronics
68. ier The summing amplifier drives a power output stage which adds the audio signal to 29 volt DC potential This audio feeds the User Station left channel line input This allows for program interrupt in the left channel only However the right channel may be assigned the same signal as the left channel via an internal circuit board switch The User Station may now tu have the interrupt signal in both ears when using stereo headphones The SA Stage Announce feature routes any of the three program signals to the SA Output connector This SA Output is similar to the left channel of a User Station feed except it does not carry dc and it is fully floating transformer balanced This output may be amplified and fed to a stage announce speaker dressing room speaker or some other area The program signal assigned to the S output can be interrupted by a microphone signal from any of the control panels Should a production not require a program feed to the stage the program level control may be turned off in which case only the microphone signal is heard When the SA function is used one or two relays are activated inside the Central Electronics Their contacts appear on the rear panel terminal strip and can be connected to a control room monitor amplifier input They can be used to mute the local monitor speaker and prevent feedback when the SA is in use In addition internal programming jumpers may be configured to allow
69. ion of Telex during the warranty period is to provide without charge parts and labor necessary to remedy covered defects appearing in products returned prepaid to Telex This warranty does not cover any defect malfunction or failure caused beyond the control of Telex including unreasonable or negligent operation abuse accident failure to follow instructions in the Service Manual or the User Manual defective or improper associated equipment attempts at modification and repair not authorized by Telex and shipping damage Products with their serial numbers removed or effaced are not covered by this warranty To obtain warranty service follow the procedures entitled Procedure For Returns and Shipping to Manufacturer for Repair or Adjustment This warranty is the sole and exclusive express warranty given with respect to RTS products It is the responsibility of the user to determine before purchase that this product is suitable for the user s intended purpose ANY AND ALL IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY ARE LIMITED TO THE DURATION OF THIS EXPRESS LIMITED WARRANTY NEITHER TELEX NOR THE DEALER WHO SELLS RTS PRODUCTS IS LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND CUSTOMER SUPPORT Technical questions should be directed to Customer Service Department RTS Telex 12000 Portland Avene South Burnsville MN 55337 U S A Telephone 952 884 4051 Fax 800 323
70. is causes pin 13 and 1 to go high turning on 05 and and energizing K1 and K2 If for example R147 is cut out then Q5 and will not be activated from Control Station number 1 STEREO MONITOR HEADPHONE AMP S14 upper left selects which program is heard in the test headset The 7307 power amplifiers U25 and U26 have a gain of 50 and can supply an output power of 1 watt but are limited to about watt by the 10 ohm resistor 4 4 CONTROL STATION FUNCTIONAL DESCRIPTION POWER SUPPLY 14 volts ac is supplied from a wall mount transformer through TB2 schematic SD2043 and is rectified by a full wave bridge rectifier consisting of diodes D3 D6 C10 and C11 provide filtering U2 provides current limiting by sensing the voltage drop across R12 The current limit is set at 250 milliamps for the Model 4001 570 milliamps for the Model 4002 and 1 3 amps for the Model 4003 FET Q2 provides a constant current at high isolation to zener diode D8 which gives 4 7 volts to bias the op amps MIC PRE amp LIMITER The signal from the microphone enters the microphone preamplifier through TB1 terminals 3 and 4 where it is amplified by U1 The minimum gain 27 dB of U1 is set by R7 and R5 The maximum gain is set by R7 and Q1 and is approximately 54 dB The limiter senses the output level of U1 through R10 C9 rolls off frequencies above 700 Hz so that the limiter is less affected by clicks and pops Trim pot R9 sets the threshold of
71. k 2 5 2 T Cg lt n Eno 9614 sou FP HF 4 seu o o S 48 cree LF 50 968 j esu seu 7 cot 8 SA su 924 ova gt tra gt o A i cay 60 819 bi A wC eva ALF H rra gt 3 9 A cal ogg _ 2 4984 z x la 1 95 5 4 __ lt 490 095 XN sra OO ud A j XY EA 8 lt gt 3 44 7 s 2 gt tea gt sta 2002 5 gt t gt 2C sid CCP j aza gt i 6ra AF to o gt a UA Pl Ap 260 9 LTL cea p E 64 so n Added JL Fuse F1 Nomenclature to Silkscree ECO 3018 6 Nov 90 RTS SYSTEMS Silkscreen Master Central Electronics Model 4010 PCB ep A 80 MA MAG SUD LT w _ 460 CT Tam yy 3 Y Y mu
72. ker near the director See also section 2 2 3 Page 4 4 SECTION 5 MAINTENANCE 5 1 INTRODUCTION The Series 4000 IFB system should require no preventative maintenance other than an occasional cleaning and performance check 5 2 SERVICE INFORMATION The RTS System Series 4000 IFB system s components are warranted for a period of three years from the purchase date The warranty is located at the front of the book 5 3 GENERAL MAINTENANCE WARNING THE FOLLOWING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY TO AVOID ELECTRIC SHOCK DO NOT ACCESS THE INTERNAL SWITCHES JUMPERS OR FUSE UNLESS YOU ARE QUALIFIED TO DO SO WARNING DISCONNECT AC POWER BEFORE SERVICING To get inside the 4010 Central Electronics lift the back edge of the top cover and pull back The cover will then slide The bottom cover comes off the same way To get inside the 4020 User Station remove the knob covers and then the knobs Remove the nuts holding the pots to the front panel Turn the unit over and remove the four screws holding the back panel Now pull the back off and the circuit card will slide out also To remove the switch covers on the control stations remove the control station from the panel in which it is installed With a small screwdriver pry the amber tab of the switchcover away from the switch body Pull gently forward on the switch cover Do not force the switch as it will break See figure 5 1 5 3 1
73. lks into the other cables The dc supplies power at the IFB user end to run a small power amplifier at the user s location The advanced design of the Series 4000 system then offers the following advantages over older designs No crosstalk Reduced weight Reduced size Reduced energy requirements Reduced air conditioning load Reliable and quiet electronic switching 4 2 OVERALL FUNCTIONAL DESCRIPTION The series 4000 IFB system consists of three major components Control Station Central Electronics and User Station Electronics through a 50 conductor ribbon cable The User The Control Station connects to the Central Stations can connect to the Central Electronics by microphone cables with XLR connectors at the User Station and a terminal strip at the Central Electronics When IFB button S5 in figure 4 1 is pressed at the Control Station a control line to the Central Electronics is grounded D116 is pulled low pulling the tally line to other Control Stations low D19 is also pulled down causing lamp DS2 to go to full brightness Audio is fed through another pole of switch S5 to the Central Electronics The control signal causes the electronic switch in the Central Electronics to switch from program to the audio from the Control Station Output from the switch is fed to a buffer amp and ac dc driver which adds the audio to 29 volts de This signal passes through the microphone cable to the User Station At the User Station a r
74. m and that U2 is an LM317T Set Up Connect the left channel of the monitor headset jack tip from the Model 4010 to the oscilloscope or plug in a set of stereo headphones Set the 4010 for program on all four outputs and the SA output Set the monitor select switch to OUT 1 On the 4003 being tested plug the first 10 pin connectors into J12 J13 and 14 Plug the fifth 10 pin connectors into J9 J10 and J11 Plug the 50 connector that comes from J9 and J12 into the Splitter Assembly Also plug a tested 4003 into the Splitter Assembly Plug the splitter into the 4010 Central Electronics Connect a mic level signal 123 mV into the mic level iput on the mic pre terminals 3 and 4 of TB1 Plug the power cords of the two 4003 s into 120 volts ac Test Observe that the lights come on dimly While watching _ the oscilloscope or listening in the headphones press the IFB1 button on the unit being tested Notice the change in signal from the program to the mic pre Look for the light to go bright on both Control Stations Release IFB1 and press ALL check for the change in signal and all the lights to go bright except for the ALL on the tested 4003 Turn the monitor select switch to OUT 2 and repeat the above test for 2 Turn the monitor select switch to OUT 3 and repeat for IFB3 Turn the monitor select switch to OUT 4 and repeat for IFB4 Turn the monitor select switch to SA Connect th
75. mbly Model 4003 Switch Board CC4000 9030 4377 00 Oty 14 8 61 2 16 16 2 1 16 6 1 Description Coupling Piece EAO 99 910 Diode MR502 Motorola Diode 1N4004 1 Amp 400V Relay 150 Ohm 5V Coil Mouser ME431 2305 Lamp 18 Volt JKL 8099SBP Switch 99 456 Momentary Lighted P B Socket 14 Pin Burndy DIL14P 108 Header 4 Pos Berg 65646 404 Switch Lens Holder Gray 99 920 8 Header 14 Pin DL Row Str Berg 65611 414 Header 72 Pin Berg 65611 472 6 5 4 Front Panel Model 4003 9070 2022 00 Qty Description 19 Extrusion Front Panel W O Grooves 4 x 1 3 4 6 5 4 1 Front Panel Model 4003M Gooseneck 9070 2364 00 Qty Description 1 Gooseneck Mic 20 1 Gooseneck Windscreen Page 6 7 RTS Part Number 1005 0033 00 1601 0502 00 1601 4004 00 1701 0012 00 1802 8099 00 1911 0013 00 2001 0002 00 2007 0092 00 2711 0001 00 9020 5841 14 2007 0039 00 RTS Part Number 9050 2314 00 RTS Part Number 2608 0025 00 2612 0121 00 6 5 5 Shipping List Model 4010 9000 2365 00 Oty NI b p p b t Description Model 4010 Central Electronics Spade Lug T amp B RA2217 Washer Nylon 10 Smith 2674 Nut Hex Kep 6 32 Screw 10 32 x 1 2 Truss Hd Phil Cad Screw 6 32 x 3 8 Truss Hd Phil Black Cable Tie Panduit PLT2M Rubber Stick On Button Gray 515012 Technical Manual 6 5 6 Final Assembly Model 4010 9010 2138 00
76. modify the SS2000 in your control station to correct the problem Carefully follow the instruction below to make the modifications 1 Disconnect the control station from the system and carefully note the positions of the cables connected to the 552000 circuit board Disconnect the cables and remove the 552000 from the control station 2 Remove resistor R12 3 all traces shown as shown To cut the traces make 2 parallel cuts a 16th of an inch apart from each other and heat the area in between with a soldering iron The trace will com right off Be extremely careful not to damage any of the traces next to the ones you are cutting When cutting the trace next to the annode of diode D3 cut the L shaped piece away from the pad not the long part of the leg See detail SEE NOTE 6 pos 1 4 1 1 1 1 1 T ARA a 1 Lame O PEN Y 4 R1 fo 1 L RIT 15 77 I it m ue er qURSBSBOSUBUBSSBEUI l 1 d I I 1 1 1 1 1 TRACE CUTS LOOKING FROM CIRCUIT SIDE OF PCB Page A 1 APPENDIX A SS2000 Microphone
77. mp circuit board may be used to accept a microphone level line level signal from that microphone Each Control Station is connected to the Central Electronics via a Model 4025 Splitter and 50 conductor cable with microribbon connectors All the Control Stations converge at the 4025 and a single cable then connects to the 4010 This configuration allows up to four Model 4001 Control Stations to be connected to a single Central Electronics unit When two Model 4010 Central Electronics units are used in an eight output configuration the Model 4002 controls all outputs from up to four locations Similarly three Model 4010 s and twelve outputs are controlled with a Model 4003 also in up to four locations Priority of Control Station switch signals is programmable and may be set at the time of installation The system may be used without priority switching if desired 1 5 SPLITTER ASSEMBLY MODELS 4022 And 4025A The splitter assemblies connect the control stations with the central electronics via 25 pair cable with microribbon connectors The Model 4022 features a single male connector paralleling two female connectors to connect two controls stations to the central electronics The Model 4025A features a single male connector with four female connectors for use with up to four control stations All connectors are held securely in place with a snap on cover housing 1 6 SPECIAL OPTIONS A return send function may be incorporate
78. n 1 be the common or return negative Plug a pair of stereo headphones into the stereo headphone jack on the rear of the Model 4020 User Station Adjust headphone levels as desired The volume controls are made so that they cannot be turned all the way down to prevent someone from missing a cue When using a single earplug plug its cord into the mono headphone jack This jack provides the interrupted audio Use this jack when plugging a speaker into the Model 4020 User Stations may be paralleled with our TW 4W or similar splitter box The Central Electronics will power up to three User Stations per output 3 5 SUBSTITUTING TW INTERCOM STATIONS FOR IFB USER STATIONS Any RTS TW intercom station may be substituted for a 4020 User Station The BP 501 User Stations will provide stereo IFB Any other User Station should have the channel select switch set to channel 1 to receive the interrupted monaural audio A TW User Station with the Local Power LP option can be used to operate on a dry pair IFB feed providing long distance operation up to 8 kilometers 5 miles with stepup and stepdown transformers See figure 3 1 Page 3 1 3 6 OPERATING WITH TELCO DRY PAIR S The 4020 User Station can be operated on one dry telco pair Just attach common and the interrupted output to pins 1 aud 2 respectively on the XL connector going to the User Station For long distances where hum is a problem the 4020 can be opera
79. or 6 0 volts p p output Reduce input signal by 20 dB to 12 3 millivolts p p The output signal should be above 5 0 volts p p Change the input frequency to 100 Hz then to 10 kHz The signal should remain above 4 0 volts p p 5 4 3 MODEL 4001 CONTROL STATION TEST PROCEDURE Equipment Needed Oscilloscope or stereo headphones Two audio signal generators Central Electronics Model 4010 Tested Model 4001 Splitter Assembly Model 4025 Inspection Check for damage or missing parts Check for broken or frayed wires Check that R12 is 5 1 ohms and that U2 5 an LM317MP Setup Connect the left channel of the monitor headset Jack tip from the 4010 to the oscilloscope or plug in a set of stereo headphones Set the 4010 for program on all four outputs and the SA output Set the monitor select switch to OUT 1 On the 4001 being tested plug the first 10 pin connector into J3 the one nearest the board edge Plug the fifth 10 pin connector into J2 Plug the 50 pin connector into the Splitter Assembly Plug a tested 4001 into the Splitter Assembly also Plug the splitter into the 4010 Central Electronics Connect a mic level signal 123 mV p p into the mic level input on the mic pre terminals 3 and 4 of TB1 Plug the power cords of both 4001 s into 120 volts ac Test Observe that the lights come on dimly While watching the oscilloscope or listening in the headphones press the IFB1 button on the unit being tested Notice
80. p2 3 5 15J7 3 Pl 5 71 5 23 6 gt gt 3 6 216 28 gt 1 gt 1 28 2 28 gt gt 11 28 J5 28 gt gt 1 28 2 28 gt gt 27 28 1 6 lt 31 6 AUD 33 7 gt gt P3 7 ERU MIL J16 4 gt gt P1 4 eci P2 4 J1 4 5 4 gt gt 1 4 a et P2 4 gt 37 4 1 7 lt lt J1 ri AUD J3 8 gt gt 3 8 J16 29 gt gt P1 29 2 29 gt 1291 29 J5 29 gt gt 1 29 2 29 51 07 29 1 8 lt 01 8 COM J3 9 gt gt 2 3 9 116 5 gt gt 1 5 2 5 3 gt 11 5 15 5 21 gt 1 5 2 5 gt gt 17 5 1 9 lt lt J1 9 oa 10 116 30 2 2 1 30 P2 30 gt gt 31 30 J5 30 gt gt 1 30 2 30 gt gt 27 30 P1 10 lt lt J1 10 Tally SWl 32 1 gt gt P2 ve PR J16 21 gt gt P1 21 UI ee 2 21 gt gt 71 21 e J5 21 gt gt P1 21 Mts P2 21 gt gt 7 21 A P5 yl lt lt J5 rl SW2 J2 2 gt gt 2 2 J16 46 gt gt P1 46 DN AT ES P2 46 gt gt J1 7 46 a J5 46 gt gt 1 46 2 46 gt 47 46 w P5 2 lt lt J5 2 583 12 3 gt gt 2 3 J16 22 gt gt P1 22 2 22 gt 1 gt 01 22 95 22 gt gt 1 22 P2 22 gt gt J7 22 5 3 lt lt 5 3 SW4 J2 4 gt 2 4 416 47 3 1 47 P2 47 gt gt 31 47 5 47 gt
81. pping is seen The sine wave should be at least 9 volts p p Repeat the procedure for channel 2 applying the signal to channel 2 and checking the right headphone output ring Check the mono headphone jack for output from channel 1 Listen Test Listen with headphones for noise and distortion 5 5 TROUBLESHOOTING This section is designed to help locate which unit in a system 15 at fault If no sound is heard at the belt pack check to see that the Central Electronics is powered Look for the green LED on the front panel of the Model 4010 to be on Check for 29 volts dc on pins 1 and 2 of XLR connector going to the User Station The audio level should be 1 2 volts p p pins 1 and 2 If there is dc and audio present replace the User Station If there is no dc and the green LED is on check for a shorted cable Repair or replace the Central Electronics as necessary If there is dc but no audio check to see that program is entering the Central Electronics that the program is selected on the front panel selector switches and that the volume level on the Central Electronics is turned up Check to see if any buttons are pressed on the Control Stations or remove the 50 plug at the Central Electronics If still no audio repair or replace the Model 4010 as required 1f a Control Station interrupts but has no audio check to see that it is powered The buttons should be lit dimly and should brighten when pressed I
82. s 67 dBu 64 dBu 1 72 H x 19 W x 15 D 10 4 Ibs 43 7H 215 9W x381 0D mm 4 7 45 volt amps 172 MODELS 4001 4001M 4002 4002M 4003 4003M 0 3 dB 58 dB 0 2 123mV p p 15 dBu to 5 dBu Unbalanced input 470 ohms 4 7k ohms 54 dB to 14 dB 10 dBu balanced Z 300 ohms Page 1 3 Size And Weight 4001 4001M 4002 4002M 4003 4003M Power Supply Power Requirements 4001 4001M 4002 4002M 4003 4003M Specification Notes 1 72 x 8 5 W x 3 4 D 2 1 lbs 2 7 Ibs 43 7 215 9W 86 4D mm 953 kg 1 225 1 72 H x 12 25 W x3 4 D 2 3 1bs 2 9 165 43 7H x 311 2W x 86 4D mm 1 043 kg 1 32 kg 1 72 H x 19 0 W x 3 4 D 2 4155 3 0 Ibs 43 7H 215 9W x 86 4D mm 1 089 1 361 kg 2 0 H x 2 37 W x 2 62 D 1 4 155 50 8H x 60 33W x 66 68D 0 635 kg 14 VAC O 200 mA 14 VAC O 450 mA 14 VAC 1 0 amps Ref 0 5 1 kHz measure at output terminal terminated into 600 ohms 10 dBV 20 Hz to 20 kHz average responding meter NOTE All product information and specifications are subject to change without notice Page 1 4 SECTION 2 INSTALLATION 2 1 STANDARD INSTALLATION The Central Electronics Model 4010 is a rack mounted unit The rear of the Model 4010 must be supported with the brackets provided Installation dimensions and outline drawings for all components of the Series 4000 System are located at the end of this manual The Central Electronic
83. s Model 4010 provides a rear panel terminal strip for connection to the Model 4020 User Stations This is a low impedance line level signal and may be sent over standard microphone cable or telco cable The User Station will work at distances of up to 760 meters 2500 feet with 22 cable With an optional battery adapter this range can be extended to 1500 meters 5000 feet Connections for SA Output SA relays and Program Inputs may be made at this terminal strip The Control Stations use either individual or common local AC power supplies This allows the interconnect 2 1 2 CONFIGURATIONS A standard interrupted feedback system can consist of one Model 4010 Central Electronics four Model 4020 User Stations one Model 4025 Splitter Assembly and at least one Model 4001 Control Station As many as four Control Stations may be used See figure 2 2 2 1 3 WIRE AND CABLE CONSIDERATIONS The Control Stations are connected to the Central Electronics with 50 conductor ribbon cables Model 4015 XX The XX is the cable length in feet These cables may be ordered in 5 foot increments from 5 feet to 100 feet The maximum recomended cable length is 100 feet from any Control Station to the Central Electronics The user stations are connected to the Central Electronics through standard two conductor plus shield microphone cable e g Belden 9451 A Smith 5209 spade lug attaches to the rear panel terminal strip See figure 2 5 Th
84. sembly Model 4010 9020 2139 00 AA 6 5 8 Printed Circuit Assembly Model 4010 4010 9030 1974 00 E U Rata aja amp Description Fuse Carrier Schurter Fek 031 1666 Fuse Holder Body Schurter PCC 031 1653 Cable Assembly Model 4010 Connector 10 Pin 3M 3473 6010 Conn 50 pin Female 3M 3565 1000 Ribbon Cable 50 Cond Spectra 8431352801050 Back Panel Model 4010 Per FAB 1978 1 FD1980 Cover Plate Per FAB Dwg 2332 Cover Assembly Model 4010 Fiberglass 008 Thk 14 x 16 Cover Top Bottom Model 4010 Per FAB Dwg 1982 Description Washer lock 4 Internal Tooth Washer Lock 6 Int Tooth Zinc plated Nut Radio Hex 4 40 Clear Cad Nut Pem 6 32 Penn Eng KF2 632 Nut Hex 6 32 Radio Pattern Screw 4 40 x 3 8 Pan Hd Phil Cad Res CC 33K ohm 1w 596 Res CF 100 ohm 1 4w 5 Res CF 100 ohm 1 2w 5 Res CF 1K ohm 1 4w 596 Res CF 10K ohm 1 4w 5 Res CF 100K ohm 1 4w 5 Res CF 10 ohm 1 2w 5 Res CF 150 ohm 1 4w 5 Res CF 1 5K ohm 1 4w 596 Res CF 200 ohm 1 4w 546 Res CF 22K ohm 1 4w 3 Res CF 22K ohm 1w 5 Res CF 22K ohm 1 4w 5 Res CF 22 ohm 1 4w 5 Res CF 240 ohm 1 4w 5 Res CF 39K ohm 1 4w 596 Res CF 470 ohm 1 4w 546 Res CF 4 7K ohm 1 4w 596 Res CF 47K ohm 1 4w 5 Res CF 4 7 ohm 1 4w 5 Res CF 51K ohm 1 4w 5 Page 6 9 RTS Part Number 2802 0002 00 2
85. station will receive the interrupted program feed See figure 2 16 Page 2 2 OLD VERSION NEW VERSION FROM POWER MODULE OR ALTERNATE SOURCE Figure 2 1 Power Connection To Series 4000 Control Stations Page 2 3 STATION MODEL 4001 STATION MODEL 4001 50 50 50 50 1 SPLITTER MODEL A Typical Configuration USER STATION MODEL 4020 5 USER STATION MODEL 4020 USER STATION MODEL 4020 5 USER STATION MODEL 4020 3 4 8dB OUT 5d8 STAGE ANNOUNCE AMP MIXING CONSOLE The system may be expanded for up to twelve User Stations three Central Electronics three Splitter Ass emblies and four Control Stations See figures 23 and 2 4 50 1 X 4 SPLITTER MODEL 4025 1X4 SPLITTER MODEL 4025 MODEL 4002 MODEL 4002 Figure 2 3 A Configuration 2 System Page 2 5 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 gt TO SA 1 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 gt SA 2 1 4 SPLITTER MODEL 4025 1x4 SPLITTER MODEL 4025 Figure 2 4 A Configuration 3 System Page 2 6 CA 5 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020 USER STATION MODEL 4020
86. t 1 48 a P2 48 gt gt 1 24 2 24 gt gt 1 49 P2 49 gt gt 1 25 P2 25 gt gt 1 50 P2 50 gt gt 1 16 P2 16 gt gt 1 41 2 41 gt gt 1 17 P2 17 gt gt 1 42 P2 42 gt 2 1 18 P2 18 gt gt 1 43 P2 43 gt gt 1 19 2 19 gt 1 44 P2 44 gt gt 1 20 2 20 gt 9020 2141 00 gt J7 11 EX ire eae ee P3 1 gt 77 36 2 gt J7 12 3 207 3 4 gt J7 l3 P3 5 lt gt 77 38 3 6 lt gt 27 14 P3 7 lt gt 17 39 8 gt 77 15 P3 9 lt 37 40 EL P3 40 lt gt 77 21 P5 1 lt gt 77 46 5 2 lt J7 22 Sa M 5 3 gt 7 47 aS 5 4 lt gt 7 23 5 5 lt gt 77 48 5 6 lt gt 47 24 p5 7 gt 77 49 5 8 lt gt 17 25 5 9 lt gt 77 50 P5 10 lt gt 97 16 PA 1 lt gt 17 41 at areas 4 2 lt gt 71 17 P4 3 lt 207 42 4 4 lt gt 17 18 4 5 lt gt 37 43 4 6 gt J7 19 4 7 lt gt 47 44 P4 8 lt gt 77 20 P4 9 lt 4010 473 1 203 2 lt 43 3 lt J3 4 33 5 lt J3 6 lt 3 7 lt 3 8 lt J3 9 lt J3 10 lt 45 1 J5 2 J5 3 lt 45 4 lt 25 5 lt 5 6 lt 45 7 lt J5 8 lt J5 9
87. ted on two telco pairs in stereo with one of our Balanced Unbalanced converters at each end 20 MODEL 4010 ES 10 104 H 72 W SN 3 7 OPERATING DISTANCES With a telco pair maximum operating distance will average 800 meters 1 2 mile Doubling up the conductors in a telephone quad will extend the operating range to 1600 meters 1 mile Utilizing an extra power supply and transformers the range can be extended to 8 kilometers 5 miles on telco dry pair See figure 3 1 MODEL 4020 5 MILES TWISTED PAIR 11 12 SENTINEL 42TU400 OR EQUIVALENT TW STATION WITH LOCAL POWER OPTION LOCAL POWER Figure 3 1 Range Extender Page 3 2 transformers SECTION 4 THEORY OF OPERATION 4 1 INTRODUCTION The Series 4000 IFB system is designed to overcome several disadvantages of older conventional systems Older systems consist of microphones preamps Control Stations power amps relays power supplies and high power audio The Series 4000 system consists of microphones preamps Control Stations and a small Central Electronics The Central Electronics contains logic electronic audio switches dc power drivers superimpose audio on the dc and a built in power supply Older systems drive high power audio down the lines to the users often crosstalking into adjacent microphone cables The Series 4000 IFB system superimposes line level audio on dc Neither the line level audio nor the dc crossta
88. the User Station by switching in an extra load usually a lamp across the feed to that station A sensor circuit in the Central Electronics turns on a transistor whose collector terminal appears open ended at a 9 pin miniature D connector on the rear panel This allows a relay to be used to transfer the announcer s microphone from the program line to a monitor amplifier in the control room The person at the Control Station may now listen to the announcer without the signal going over the air The output through the miniature D connector is capable of operating a 12 to 24 volt relay at up to 50 milliamps The relay will trigger when 60 milliamps to 200 milliamps is drawn from the line The exact value is set by R4 for channel 1 R33 for channel 2 R62 for channel 3 and R91 for channel 4 See figure 2 15 To trigger the relay switch a 12 volt 90 milliamp lamp across the 12 volts in the user station Note Only one user station per output may be used when the return option is used 2 2 4 EXPANDING THE CONTROL STATION S ALL FUNCTION The IFB ALL button on the Control Station causes all of the IFB buttons to be activated The SA button is not activated To make the SA work with the IFB ALL button add the following diodes MODEL DIODE S 4001 M D25 4002 M 056 D61 4003 M D100 D105 D110 2 2 5 MONO IFB When the switches inside the 4010 Central Electronics are switched to the right both left and right channels at the user
89. tions and assorted cabling and interconnect units The maximum standard configuration allows four Control Panels three Central Electronics and twelve User Stations 1 2 USER STATION MODEL 4020 The User Station a small belt pack package allows the talent to receive the audio signals designated by the Central Electronics and the Control Stations and may be worn by talent such newscasters musicians sportscasters etc Behind the scenes personnel may also find the IFB feeds useful for production coordination and control These may be production assistants audio boom operators stage monitor mixers on stage producers etc Each belt pack contains the necessary electronics to provide a stereo audio signal to the user Two power amplifiers rated at 1 2 watt each are capable of driving any set of headphones or loudspeakers Thus the IFB can be conveniently extended to dressing rooms or other off camera areas where communications is desirable The line input to the belt pack is driven from the Central Electronics unit This signal contains the audio information as well as the DC voltage necessary to power the belt pack Both the left and right signals are carried on a standard two conductor microphone cable The left channel is designated as interruptible the right channel noninterruptible Separate jacks are provided for mono and stereo headphones Individual left and right volume controls on the belt pack enable the user to
90. tt CONNECTOR ASSEMBLY Ji 2 RTS SYSTEMS BURBANK CALIFORNIA MALE CONN 6 70 6 50 5 00 1 X 4 50 CONOUCTOR MICRORIBBON CONNECTOR ASSEMBLY RTS SYSTEMS BURBANK CALIFORNIA MADE IN U S A MODEL 4025A SPLITTER ASSEMBLY view A COVER NOT SHOWN mur SERIES 800 r INTERCOM e m c LINE DRAWING MODEL 40254 TS Peral CONNECTING BLOCK a APPLICATION _cosorsente 7 7 7057 TT TO ERNIA LAO e atti em T Y T 0 5 to 2 V DC DI A M A 2 El TLK 1 50 220 47 50 N DZ 2 TANT 0 1 50 6265 A 470 5 R4 22 330K 1517 TRIM c4 7 DYMAMIC T A D 41 16 HOOK DETAIL e 6 25 2 4 O T 2 NESS22 NM Sa 5 2 LUT 220 41 S0TANT cs E 505 5 di AUDIO i 5 1 HI 314 12 18 c 4 4 1 ELECTRET MIC u dadi SOURCE SOURCE TBZ O 4 CIZ DS 52 14 4 12 SOURC 502 ADJ a ES XS m m Rio 25 25 9 1K 9 1 MIC PRE FOR
91. v Axial Cap Elec 10uf 16v Radial Cap Elec 100uf 16v Radial Cap Elec 47uf 16v Radial Cap Tant 47 50V Radial Diode MR502 Motorola Diode IN6263 Signal Transistor J305 Siliconix LM78LOSACZ National LC Socket 8 Pin Burndy DIL8P 108 Header Molex 22 14 2044 PCB CC4000 Mic Pre Bd FAB Per Dwg 2000 Term Block 4 Pos Electrovert 251040453 Transformer Audio Bourns LM9003 Coupling Piece EAO 99 910 Diode MR502 Motorola Diode 1N4004 1 Amp 400V Diode 1N5333 Zener Voltage Regulator Lamp 18 Volt JKL 8099SBP Switch EAO 99 456 Momentary Lighted P B Header 4 Pos Berg 65646 404 Page 6 2 RTS Part Number 1402 1002 5D 1402 1003 5D 1402 1005 5D 1402 1101 5D 1402 2200 5D 1402 2201 5D 1402 2202 5D 1402 22R0 5D 1402 9101 5D 1409 0009 00 1510 103 2 1510 470 21 1511 103 21 1511 104 21 1511 224 21 1513 108 4 1513 106 4 1513 R107 4E 1513 R476 4E 1515 R474 31 1601 0502 00 1601 6263 00 1602 0305 00 1603 0001 00 2001 0001 00 2006 0020 00 9040 2000 00 2007 0013 00 2306 0001 00 1005 0033 00 1601 0502 00 1601 4004 00 1601 5333 0B 1802 8099 00 1911 0013 00 2007 0092 00 A s U REN io A cetur alia ce MP 63 2 Printed Circuit Assembly Model 4001 Mic Pre Board 4000 9030 1999 00 Qty Description 6 Switch Lens Holder Gray 99 9208 2 Header 14 Pin DL Row Str Berg 65611 414 Header 72 Pin Berg 65611 472 1 PCB 4001 SwBd EAO FAB Per Dw
92. y 2 IFB1 listen for override Release 3 While holding 2 press priority 1 IFB1 listen for override Release both buttons Move mono stereo switch to mono and check for interrupt in both ears Repeat for the other 3 channels IV Headphone amp Plug test cable with 50 ohm load on each channel into test headphone jack Turn monitor switch to Program 1 increase monitor level and check for clipping at 9 volts p p on left channel Turn monitor switch to program 2 and 3 Check for signal level greater than 4 volts p p Repeat for right channel Turn selector switch to SA adjust SA controls so that program is visible on oscilloscope Push SA1 button on priority 1 4 and check for interrupt Note there is no priority on SA Turn selector switch to mic 1 press any priority 1 button and check for tone Repeat for mic 2 4 priority 2 4 Plug in headphones to test jack and listen for noise and distortion on all positions 5 4 MODEL 4001 CONTROL STATION MIC PRE TEST PROCEDURE Equipment Needed Oscilloscope Audio signal generator Test jig with adapter cable Inspection Inspect the unit for missing parts or damage Page 5 5 Test Connect 14 volts ac to terminals 3 and 4 of 27 Apply 123 millivolts p p at 700 Hz to terminals 3 and 4 of Pin 4 is ground Check for 17 volts on the filter capacitors Connect a scope with a 4 700 ohm load to pins 1 and 2 of P1 Adjust the limiter pot R9 f

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