MITS altair 680b Скачать руководство пользователя страница 1

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Содержание altair 680b

Страница 1: ...GJ lJGJD fTM 0 0 ffi rn rn w ffi rnJffi...

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Страница 3: ...f 1JTSJ Inc Third Printina Februarv 1977 _ oJ o 0D a ill rnGwm w LWill illJill lb GLliJ0C 0 r t t 2450 Alamo S Albuquerque New Mexico 87106...

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Страница 5: ...8 101961 10192 6 102079 101925 101998 101933 101107 P aACIA 101096 101098 101074 101999 101930 103060 101801 BAG 5 4 n 4004 5 ThT914 1 lO OV Zener 1 VJ 048 1 2e 4576lJ Hz Crysi al 1 2e OOOOMHz CZystal...

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Страница 7: ...10 Ohm l 5 3 22K 1 2W 5 4 4G7K 1 2W 5 2 47K 1 2t 5 3 lK 1 2W 5 2 lOOK 1 2W 5 2 10K 1 214 5 8AG 6 25 SPDTS Ii tches 2 MOr swi tches 1 lOO pin connector 1 PC board 101102 101104 101080 101078 00702 1003...

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Страница 9: ...1 811 Screws 9 6 32 x 1 2U Sc retvs 2 6 32 x 3 8 Screws 1 6 32 x 1 4It Scre ll 4 4 40 x 3 8II Screws 2 4 40 x 1 211 screvi S 18 6 32 Nuts 6 4 40 Nuts 6 IDc vashers 4 4 I oc le V Jashers 4 Spa r 1 4 Lo...

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Страница 11: ...of Contents I ASSEMBLY HINTS Q C e II MAIN PC BOARD ASSEMBLY c II I e DISPLAY CONTROL BOARD ASS8 1BLY 0 IV u BACK PANEL ASSEMBLY 0 0 0 0 e e e V FRONT PAN E L AND FINA L CASE ASSEMBLY v Q 0 page 3 pag...

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Страница 13: ...rn lf fAl lffAl OO ffiOO ffi rn Wrn w OO lf...

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Страница 15: ...es U or etching liopensu in the printed circuit lands as shown in the drawings below Example of an Etching HBridgell Example Qfan Etching ItOpenu t c t ThiscQuldals o appear as a I1hai rl neUcuto A th...

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Страница 17: ...he contents of your kit against the enclosed parts list to makes ure you have all the req u red components hardware and parts 0 The components are in p1asti c envelopes do n at open th em un i 1 YO u...

Страница 18: ...erly install components may cause permanent damage to the component or the rest of the iti it will definitely void your warranty lv10re specific instructions or procedures of a less general nature wil...

Страница 19: ...CUlT BOARDs REFER 1 0 THE ABoVE DRAWING TO LOCoZ TE P I 1 OF THE Ie s Thu l USE THIS I NF ORMA I IO N INCONJONCTION iITH THE INFOFJ TION BELOW TO PROPEIt Y ORIENT EACH Ie FOR INSTALLATION 0 1 NING IN...

Страница 20: ...operationG 2 When handling the Ie develop the habit of first touching the conduc tive container in which it is stor ed before touching the Ie itself 3 If the Ie has to be moved from one container to...

Страница 21: ...cure it with a piece of masking tape 1 Lower the o ther side of the Ie into place If the pi nsdon t go into their hole s right away s rock the Ie back exeri ing a 1 1ttleinward preSSllre and try again...

Страница 22: ...ance Use this process to choose the correct resistor called for in the manual 2ND BAND VIOLET 1ST BAND RED 4TH BAND SILVER 3RD BAND YELLOW RESISTOR celLOR CODES j I I BArIDS 3rd BAi JD C9LOF 1 2 Multi...

Страница 23: ...ke sure you have the c ot rect capacitor value each timeo l Bend the two leads of the capacitor at right angles to match their re spective holes on the board Insert the capacitor into the holes on the...

Страница 24: ...install transistors use the fol lowing instructions r OTE Al vays check i he part number of eachtransis 9 before you install ite See listing of Transistor Part lumbers for each board Some transi stor...

Страница 25: ...IGNATION FOR EACH OF THE THREE LE l DS USE THIS INFORMATION TOGETHE R WITH THE INFORMATION IN THE ASS Er4BLY MANUAL FOR THE CORRECT ORIENTATION OF THE TRANSISTORS AS YOU INSTALL THEMo THE FOLLOWING IS...

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Страница 27: ...rn lY U J ill lYill OO rnrn ill P ffi illOOlID ill rnLWW If 13...

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Страница 29: ...size for each socket is listed b el Q A o Ie Designation Socke t Size C 0 E F G I 16 pin H J K and Z T U V t 24 pin I and JJ t I NN 40 pin I The res that ar e t o be nstalled into these sockets are al...

Страница 30: ...s are listed below Ie Designation Part Number I A B X HH 1 1 V 74LS04 I and ZZ L Baudot only 74LS74 M 74LS1O N and P 74LSOl R S CC and PP 4050 y 74LSOO I I AA KK LL and UU 74LS30 SB 4449 I DO EE and F...

Страница 31: ...17 jJ u 0 en u u u...

Страница 32: ...he tan talum capacitor according to the instructions given on page 9 Sec tion A Install the ceramic disk capacitors according to the instruc tions on page 9 Section B The values for all 50 capacitors...

Страница 33: ...TV o 0K c c eG8 G58 H c c l I I C9 c c J t l c J t J OI2 c J o 0 00g G A 88 CJ c c CJ Ci S4 C5G CSI 051 o c C68 Qo Ie c COl C52 c ca 1 014 C4 y D 00 C I OO C3Q c c Capacitor Installation...

Страница 34: ...res i star packs RPl throu gh RP4 must be installed The re sistors within these packs each have a value of 4 7K ohms Each pack has a small dot printed at one end This dot must corresDond vith the dot...

Страница 35: ...7Kohm 1 4 w att ye11 OW 4 violetcmred resistor vertically into the rig ht most hole in the bo x Be n d the t op lead at two right a ngles as shown in the diagram so that the end of the free lead may...

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Страница 37: ...l C54 c tl cs c a U e TT Cl3 GIlt c J RS2 I I tB CII ZZ olR29 e 18 y v C9 R2 f r ft2k J R2k r ft2H l Cl R2 c t R3 tG8 R21 RI c J r t 18 i 20 C 81 AU Cl4 D c __ AA RI on62 c Vy V R OO to A PI RP2 R P 3...

Страница 38: ...ng this comp onent Apply the grease to all surfaces which come in contact with each other 1 Set the TIP 30 i place on the board and align the mounting holes Use a pencil to mark the point on each of t...

Страница 39: ...82 n U 85 A6 0 f JL f C 52 R38 TV C 73 ct R32 I I C9 R2 R2 EA2 927 _ _ 05 CI nZ J18 Hill I Q I Ill 83 1 e Ga IC7 j6S C 64 1I8 Ct i C5 r _ _1 9 20 c al Cl4 D Ott I E fU2 c 00 IO t O O IQI 1C3 t R P3 _...

Страница 40: ...MHz crystal and XTAL 2 is a 2 000 MHz crystal Follow the instructions bel ow for installation of each crystal 1 Use needle nose pliers to straiahten the leads on the crystal 2 Insert the leads into t...

Страница 41: ...t tID eu zz 2 013 38 R32 I IXTAL 2 C 78 v y G9 6It R21aa R25 _a_ R2 R27 05 Cl R2 ai1i cui R31 C68 063 ca cao c al RPI RP2 RPI AP 4 I J I JI 1 11 __ 1 f I Cl4 ci C3 D 02 X c 0 1 0 0 2 R o i 2 i 0 4 D 5...

Страница 42: ...gle on the points where you made the pencil marks NOTE Use heat sink grease when instal ling this component Apply the grease to all surfaces which come in contact wi th each other 3 Referring to the d...

Страница 43: ...ndcMake sure you or ent the 11 11 lead of the rectifier under the wider end of the heat sink as shown 20 Att ach the heat sink to the bridge rectifier us ing a 6 32 xl 2 inch screw and a 6 hex nut 30...

Страница 44: ...this step if the bent pins have been pre cut at the factory 2 Orient the connector J2 as shown below with the clo ed siqe facing the e ft hand siaeof the boarde Insert the l 8H pins into the five hole...

Страница 45: ...current loop Bt Standard RS 232 Interface C B audot Interface The component configu ration for each of the three interface levels is diagrammed below The correct part numbers and values appear on the...

Страница 46: ...400 2N1901 R403 180 4 UMPER 30 This component configuration alone does not provide a Baudot level interface for the 68Gb It is also necessary to include a level converting and isolation circuit either...

Страница 47: ...reened side of the board Solder the ends to the foil pattern fv1take sure the fi re is raised 1 4u or so above the board so that none Qf the 1a nds undern e ath are shortedG r40ving to the left from I...

Страница 48: ...aud L 1 H I L I H 1800 Baud H I H I L H 1200 Baud I J L H I H 2400 Baud i I I I I H I L H H 300 Baud I I I I f I L I H I H I H 150 Baud I I I I H I H H I H 110 Baud TRUTH TABLE FOR RATE SELECT INPUTS...

Страница 49: ...long a s the unit is equipped only with the original lK of RAM you will probably want to config ur e the jumper wires for starti ng add ress OOOOv This is accomplishe d by jumpering the following loc...

Страница 50: ...ace s to be used 2 Number of Stgp Sits Bit Jumper hole 2 HIGH for 1 stop bit Jumper hole 2 LOW for 2 stop bits 3 Term n l No Te rminal Bit Jumper hole 5 HIGH if no terminal is to be inter faced i e pr...

Страница 51: ...interfaced to a Teletype equipped with a Call Control Unit controllable reader Q The part numbers f or the components are 1isted in the c hart below i I Si l k Screen Designation Rl00 Rl01 OlGG 0101...

Страница 52: ...er I Designation I I I J C 0 E F G I I H J and K 2102 I I Z 34702 I I JJ 6850 NN 6800 NOTE DO NOT I STALL Ie JJ if a BaudOt terminal is to be interfaced to the 68Gb 35 ACTA PROM Monitor Insert the 170...

Страница 53: ...rn 1r G nnn ffJ lJillHOO rn wn p ffJW I IlfJlJOO m ffJOOOO ffJ rnU0Urn W 37...

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Страница 56: ...e installed according to the instructions given on page 7 Section A Part numbers for all 12 Ies are listed belawe Ie Part Numbers Si k Screen Desi gnat on Ie Part Number A B C 0 I SN74LS05 E F G H 400...

Страница 57: ...e J 0 B e J c J e J e J e r e J cr e J l 6I J J e J c r 4 CJ 4 0 QCJ e J e J CJ A e J 0 11 1 CJ a B e J J I jwlJ CJ 1 1 1 41...

Страница 58: ...color codes are listed in the chart be10 1 R esistor Values and Color Codes Rl R16 and R20 R27 are le5K 6hm brown green red R17 R19 are 22K ohm red red orange R28 R30 R33 and R35 are 4 7K ohm yellow...

Страница 59: ...sO I r 11 I I Q l c o z R4 0 R5 c J R23 c r R24 e J R6 CJ R25 c r t o R 54 e r n R26 c J R 27 e r RII CJ R7 c J RB CJ RIO O R9 CJ c m M R29 R3 c J RI2 c J Rl3 e rR 19 t l R37 CJ c J e hR31 RI4 c J RIS...

Страница 60: ...led on the 680b Display Control Boardo To install the ca pacitors follow the instructions given on page 9 Section B The capacitors val ues are shown in the chart below Cap citor Values Different volta...

Страница 61: ...t n or J e 0 Q n c o R2 R3 ____ R21 ____ R 2 2 BIll s tn r Q d o s R4 R5 __ R 23 __ R24 1 2 R 6 l31li1 R25 i R7 RB R26 ___ R27 Bi M R9 C6 Co M I R34 C 2 C RIO____ R12 __ RII c J C4 RI4 r C III a R36...

Страница 62: ...insert any of the insulated portion of the wires 1 Cut a piece of wire to length and trim 1 8 inch of insulation off the ends Tin the ends by applying a thin coat of solder 1 Turn the board over so th...

Страница 63: ...rn lJn w u noo rnffiOO OO lli OO W 47...

Страница 64: ...48 b1an k...

Страница 65: ...operat i an The diagram below shows the proper wiring for both operations For a 220 volt supply be g ure to wire t he 110v fa n as shown with one fan wi re connected to the brown white transformer vi...

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Страница 67: ...ff each end 2 In er t the wi res into the pi ns as sh owr1 below Whe n you insert the orange wire insert one end of the all wire into the samE p n 5e Seoarate the pins from each other by cutting the t...

Страница 68: ...Panel 1 Refer to the illustration below for correct positioning of the trans former on the back panel 2 Mount the transformer to the back panel usi ng two 6 32 x 1 2 inch screws two 6 32 nuts and two...

Страница 69: ...screwdriver o r some abrasive paper to chip th e paint away from th ese tw oareas 0 Next mount the terminal strip to the back panel as follows 2 Orient the terminal strip as shown in the drawing belo...

Страница 70: ...back panel using the nut and washer provided 52 FUSE HOLDER FUSE 1 Refer to the drawing below for proper orientation and placement of the fuse holder Insulate each terminal on the fuse holder with a 1...

Страница 71: ...wires are suitable for this purposeQ 3 Before any wire is connected it should have at least 1 8 of in sul ation remove d from the end and the exposed portion should be tin ned t i th a thi n coat of...

Страница 72: ...connect or to T2 Noise reduction capacitors Both are OluF lKv Cl goes across Tl and T2 C2 goes across T2 and T3 GREEN WIRE BLACK WIRE Connect the bottom terminal on the switch to Tl with the l inch p...

Страница 73: ...ollow pins are tow ard the in side of the back panel and Pin 1 s on top T he wiring of this connecter for TTY RS 232 o r Baudot level I O i e xplai ned on the next page I 25 PIN COMNECTOR J OPTIONAL 2...

Страница 74: ...end of each wire see instructions unde r IJTr an s former n Section A 4 Connect the other end of each wire to ne of the prepared pins on the 25 pin connector To do this a Remelt th e solder in the pin...

Страница 75: ...s neces sary to install a cooling fan on the back panel Orient th e fan so that the two solder tenninals are in the upper right9Dhand corners Install the fan as shown in the diagram below Connect the...

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Страница 77: ...lJU W ffi lJffi OO rnffi OO u Pffi rn illG J ffi ffi ill rn w 59...

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Страница 79: ...tary contact SPOT swi t ches and 25 are 1atch ing type SPDTswitches Themomentary cant act s 1i tches c an be distinguished from the latching type switches by their spring actione The momentary contact...

Страница 80: ...aO pin connector is closest to you and the non silk screened side is facing up 2 Begin inserting the switches and LEDs into their proper holes on the boardeD DO NOT SOLDER ANY OF THEr UNTIL INSTRUCTED...

Страница 81: ...remaln1ng switches and LEDs onto the board in this same mannero Use the copies of the fbil pattern sho1tJn on the next two pages f or proper placement of the se com ponentstl Note Set as i doe twe1ve...

Страница 82: ...510 G CHES Altair 680 Front Panel Assembly...

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Страница 84: ...corner sC rewss Set t he screw5 aside as two of them are to be used again later 5 Place the front panel over the switches and LEOs on the DIG board as shown in the diagram above 6 Hold the Ole board...

Страница 85: ...en solder ing them 9C S Q1dertile L E Os into place Make sure e achLED is pusheclal1 the way down before you solder it THIS IS IMPORTANT AS IT ENSU RES AN EVE J A LIGNMENT Q F THE llGHrSFOR THE FRONT...

Страница 86: ...e on the t ase bottom as shown below Lt s e two of h e o r g l na l screws for the bottom Roles but use 6 32 x 1 1 8u crews fo r the top holeso Longer screws mUS t be used at the top to r ovj Q e adeq...

Страница 87: ...ti ng ho as i n the case bottom0 3 Attach six rubber feet One to each cGnne rQ f tAie oOltstd f Gaseeot tom and two on t h e ins foe center line as sJ low noT t1 e ru f t t Teet ar e self adhesiv e an...

Страница 88: ...Two 1 4 spacers m y be subst ituted fO r af 1 211 s pacero 3 Insert t h e bGa rds lntO th e c as e bO ttom at a sligflt ang le sotfiat the swlitehes amrl l EG S gEl ihto th e 1 respect ve ho1es fi rs...

Страница 89: ...EXISTING SCREWS 2 Install the 5 pin female connector rrotyl t he tr nsf nrr r O rr tge pJll male connectOl on the Mai n PC Boat d jI tiJ the 5 pth ilJi1jfb2t f male connectQr from the 1 0 plQg ontd t...

Страница 90: ...etween th e 25 pin _ connector on he 680bb ackpane1 a nd the 9 Ju9 termina1 str p insi de the Teletype NOTE The Teletype must be wtr ed for 20 rna current loop4nd full d uplex opera ticn baOb 2 5 pin...

Страница 91: ...cessary to guide some of the pins with the tip ofa small screwdriver 4 Secureth e conne ctor to the board wi th two 4 40 x 1 2 screws and two 4 40 nuts S Solder each pin to the foil bottom side of the...

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Страница 94: ...2450 AlaOlo SE Albuquerque NM 87106...

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