Kaypro 2, Technical Reference

Page 1: ...KAYPRO TECHNICAL MANUAL DECEMBER 1984 Part Number 1484 D...

Page 2: ...BIE Ibuch up Infonnation Mainboards Troub1eshooting Tips KAYPRO 2 81 110 n KAYPRO 2 4 81 240 n KAYPRO 10 81 180 n KAYPRO 2 84 and 2X 81 294 n KAYPRO 4 84 81 184 KAYPRO ROBIE 81 296 n Rarova1 Installat...

Page 3: ...ns KAYPRO 10 10 4 11 0 Hard Drive Controller Board KAYPRO 10 11 1 Description 11 1 11 2 Removal Installation Instructions 11 2 12 0 Interface Board KAYPRO 10 12 1 Description 12 1 12 2 Removal Install...

Page 4: ...19 16 19 24 card Rem val 19 18 19 25 Mainboard Rem val 19 21 19 26 Disk Controller Board Ratoval 19 22 19 3 CRI Assembly 19 23 19 33 CRI Rem val 19 24 19 4 Power SU ply 19 26 19 43 Power Supply Rem v...

Page 5: ...als on the subject The procedures and infurmation contained in this manual assume technical expertise on the part of the reader Ib avoid personal injury do not perfurm any servicing unless you are a q...

Page 6: ...d by Kaypro Corporation power supplies CRI assemblies disk drives are Nor covered by this manual Ibwever we do rot discourage dealers and technicians who have the knowledge and the tcx ls to repair to...

Page 7: ...5 e IWUiARE M DRES CCLOOED TAB HERE HARIWARE...

Page 8: ...ro keeps in step with romputer technology the models have changes which affect FCC ratings The proPer rating is affixed to the back of each romputer Contact the Kaypro Engineering Department if you ne...

Page 9: ...ytes 81 110 n or 81 240 n series Two 5 1 4 indh double density single sided floppy disk drives providing 19lK bytes of storage per diskette Detachable 72 key typewriter style keyboard with 18 progranm...

Page 10: ...sity single sided floppy disk drives providing 191K bytes of storage per diskette Two 5 1 4 inch double density double sided floppy disk drives providing 3901 bytes 0 f storage per diskette Detachable...

Page 11: ...s Two 5 1 4 inch double density double sided floppy disk drives providing 3901 bytes 0 f storage Per diskette Detachable 72 key typewriter style keyboard with 18 programnable keys Non glare 9 inch gre...

Page 12: ...f storage per diskette Detachable 72 key typewriter style keyOOa rd with 18 progranmable keys Non glare 9 inch green phosphor screen with a 25 row x 80 column display he Centronics type parallel port...

Page 13: ...M bytes of storage per diskette Detachable 72 key typewriter style keyboard with 18 programna ble keys Non glare 9 inch green phosrnor screen with a 25 row x 80 coltnnn display be Centronics type para...

Page 14: ...ensity double sided fl oFPY disk drive providing 39l2JK bytes of storage per diskette he hard disk drive providing 10M bytes 0 f storage Detachable 72 key typewriter style keyboard with 18 progranmabl...

Page 15: ...g 2 6M bytes of storage per diskette Detachable 72 key typewriter style keyboard with 18 progranmable keys Non glare 9 inch green phosphor screen with a 25 reM x 80 column display he Centronics type p...

Page 16: ...2 84 4 84 4 84 88 2 X 4X RCBlE CP M VERSI N KAYP RO PARr J fOr CP M disk 2 2F 0777 2 2F 1475 2 2F 1475 2 2G 2619 2 2G 2622 2 2G 2622 2 2G 2470 2 2G 2340 2 2G 2340 4 1 RCM VERSI N 81 149 C or 81 232 A...

Page 17: ...CCLORED TAB TRClJBLESHoorING...

Page 18: ...wo on top and fuur on each side 4 Renove the haJd fran the chassis aJASSIS H XD 1 lDwer the hood onto the unit 2 Align the two holes on top 0 f the hood with those on top 0 f the chassis 3 Insert the...

Page 19: ...obtain this paint O casionally a customer s computer will have scratches on the hcx x1 or chassis A small amo IDt of rubbing com X und when carefully applied will often smooth out very small scratche...

Page 20: ...of the 1 x lard It will usually fOrce the data and address lines to toggle at approximately the same amplitude allowing the technician to use a scope to spot affected lines If the video display does...

Page 21: ...0 1 I I I l I 1 I U2 ___ C7S 0U11 U7 ___ I I 1 a 1 0 I f l 1 Or I ll I U u I U47 r I 1 I I _ _ 1 0 1 I E n I Il IanQ l n u l 1 I c r CI 1 J IDS __ 1 L J UI1 un U21 U6 I r I un c J un c I UN r J J UI c...

Page 22: ...C9216 4 bit counter Hex inverter CMCS decade counter Tri NAND gates Dual binary counter Quad AND gates Quad CR Gates Dual D flip flop Quad NAND Gates Quad 2 1 MUX or equivalent 64K x 1 RAM lKx4RAM Qua...

Page 23: ...MHz sensitivity of 2mV em a sweep delay of 0 1 microseconds to 1 second and a graticule display measuring 8 x 10 em Signal Ml from pin 27 of the CRT U63 was triggered on This signal is shown in the t...

Page 24: ...FIGURE 1 6fI f f Illl Illl r r FIGURE 3 I I I I I a FIGURE 5 I Ir i f U 11 1 f 6 5 FIGURE 2 h 1 r J f _ _ r r r JIII I I FIGURE 4 f i I I I _ I FIGURE 6 r I I J J J I U _ f...

Page 25: ...6 6...

Page 26: ...Ol IIAHC SOH OIl N J _ i w _ _ 74l tl Nit B l O IIoW S T ANGLES H iF t _ e j O Mlc fMAC S r 1 1 11 rJ I al 1 U8 lilll IIHUSl DAlI _ HIe MATERiAl I r u u _ _ 10 UM HIt SIZ ETCOOIIOUlTJIO T iiiFYI ow nT...

Page 27: ...10 o Dt 1t f pt iIOO l rgan l lt C 10f l a 1 Wlttlout tn J limlSf llJn 11 l PAllO A IA J 12 DRiVf8 1 10 DRIVE H i9 P 8 PM 7 5 p 5 PA3 I 2 1 3 Ft _ 12 PA0 1 lO ll 17 lOIH 11r __ L _ _ 71 ACD JUMP 1t 9...

Page 28: ...iuwisfPt Cl ltO Ia f 0IIl1EN ION5AR ININCHES TOlERANCES ON D I LS I Lj S fllACTIOHS MATE ii i AL Nit 7 tlS 4 71L 704 NiL 5 g l g l7 FE7 3 11 N C UIO I C 4 1 5 Ie Nle 4lSaD 11 I W IJl 2 KEY U I N c 1 U...

Page 29: ...Blanking Generator Disc C 0 N RAM T Video Video R 2 80 Addressing RAM CPU 0 L Data Bus System Buffer Video Parallel Clocks Ports Monitor Serial ROM Ports Data Control Data Data I IReset I Port Keyboar...

Page 30: ...U I CS U21 I a 1122 1 U20 r J CSJ un 1 1 au 122 1 1 ut a a Ian n 11 l 1 f 1 1 I I n f m u ni U U2I J UIS kJ U2 I U t9 1 c U uu I I L u s u c c r C 77 U 7 1127 co 57 u 1 uu I 1 CJ UI7 U I c I CI n U6...

Page 31: ...CPU 74164 M 1488 M 1489 Z80 810 74804 8116 7406 1793 74I S195 74I S293 74I S390 FOC9216 6 9 4 bit counter Hex inverter CMa Decade counter Tri NAND gates Dual binary counter Quad AND gates Quad CR Gat...

Page 32: ...andwidth of OC 60 MHz sensitivity of 2mV em a sweep delay of 0 1 microseconds to 1 second and a graticule display measuring 8 x 10 em Signal Ml from pin 27 of the CPU U63 was triggered on This signal...

Page 33: ...I U FIGURE 3 _ r Ir r I I I bJ r 1 1 1 1 f _ L __ FIGURE 5 I r r rllllll f t H t J 1 J a j _ t 1 j 1 r 6 11 FIGURE 2 i I ir II r I 1 1 I i I r r r r L 1 FIGURE 4 I r f f _ _ I i 1 t f _ FIGURE 6 I I 1...

Page 34: ...ATICN PIN NO CPU SIGIALS CPU clock U 67 1 MHz U 87 13 2 MHz U 87 3 MREQB U 62 16 RDB U 62 5 M1R re ference MEMrnY SIGIALS RAS U 39 11 CAS U 66 5 MUXC U 66 4 VIIEO CLOCK SIGW S CLOCK Yl U 2 8 CC0 U 6 3...

Page 35: ...1 UUM P0 3 1 SilIn 7 1mlII PH 5 pt f B PIlla J SYSPiD P1C IC l B j 7 373 _ _ u e I J1 ___ _ 1 U l 1 _ _ r I r 2 B B 5 I r if l t g 1q MC J S OoooocoQ _ _J D t 02 12 D1 I 08 1411 j I I BUSH 23 19 74LS...

Page 36: ...S U T UI PIH lIo O 110 LE u70 111 S lou r T WA Atltl tl eND I ilFO Jt J4 lAIE V5 OM PlN 1 rnfe5f D lJ 1 J r H i9 P 7 I 8 NIb I 7 S I j PM I P INTE R 5 rA3 OUTPUT 1 4 2 I 3 1 I I Pfl0 I 110 17 1 JO i 1...

Page 37: ...I 00 SIZE I 1 SSY I l Ns l 0 103626 91 241 API lICATION T arY 1 7H 74 5 Nle lC CC4 c 0 U3 c 5 9 71L532 N c L t r N t 9 L O NIL U1 Nit It A A0 C CC0 A A B e ec A A2 e eez A A3B t CC3 Al AB C LC 1 IA A9...

Page 38: ...CoW 1 l l O I f U40 L I U31 0 U27 J9 I I f I I C34 on c I l r U43 f o ww U36 WWi j I I C33 U3S I l I 50 f Id I 0 1 C5 US3 CSO C U4S I u I I c I 0 0 u I l IS 0 l I i I 00 on I m L uss I us 0 I I o U54...

Page 39: ...4 74I S93 WD9216 1793 6 17 Description Dual D flip flop Hex Schmitt Quad AND gate Hex inverter Quad SCHUTI line receiver ectal buffer Dual D flip flop Quad AND gate Quad NAND gate Dual binary counter...

Page 40: ...the representation is the equivalent of one square em on the graticule Ihe scope was set fur 2V div and 2micro secs div fur all figures except figure 2 which was set at 5micro secs div Signal Ml from...

Page 41: ...FIGURE 1 I if nIfl in r InJn 11 V U U1 1 I J I FIGURE 3 FIGURE 5 I r e M f I II J J 6 19 FIGURE 2 1 r r W 1 1 r 1 FIGURE 4 rr J f III f Ih If I U J J FIGURE 6 If r f r J f...

Page 42: ...isk 0 C C 0 0 N N Video T T Driver Video R R RAM 0 0 Z 80 II I I I L L CPU I Data Bus Buffer I I I I I IParallel Ports Monitor II I I I I l ROM Serial Data I Ports Control H IReset I Control I I B CRT...

Page 43: ...zo J i7 Q l lo Sc r i HO TRL JUi 1 P J l r ODDIJO J TIi U 1 __ t 1 iL OD lJ1 0Ci lf OJ J T Ru 11 0 JO R _ V r9 Z rO II u os _ l f D rORC r o rORD All _ _____ L A All I _ 21 Ali AIO 40 __ I 1 110 3 L...

Page 44: ...Ie II 0 w I c II i v I z 0 t ll Q I t w C 1 t l V 0 0 i lli i fi i I 11 ihh s Ca J i i i i fi 5 5 o il dl II 0 I 00 n J 6 22...

Page 45: ...loc e Of H l j l to I 1 f m 1 fht trl U r j l W It 1 f tll I t u iO lUil 1 I 41 L IY lfll l _ _ _ __ __1 NON LINEAR SYSTEMS INC DEL MAR CALIFORNIA NOMENCLATURE OR DESCRIPTION PARTS LIST SCHE MA T I C...

Page 46: ...NS ARE IN INCHES t N O _ __ T _ i TOLERANCES ON DRAWN R l lo f l DECIMALS I ANGLES CHECK I I FR C I NS O JO APPR I t T J H 1 32 RELEASE DATE MATERIAL _ t ltl tf C I_ a Q QOQQQQ QTY Noo INAL IASSY IASS...

Page 47: ...NSIONS ARE IN INCHES NO I TOLERANCES ON ORAWN rt r I DECIMALS I ANGLES CHECK I FR c l NS O 3D APPR J r l 1 12 RELEASE DATE UZ 3 ItO NIL T iOY i c TSB OB Z 2 L t TA 2 f L l 2 f w _ o lot i A lO ItIT el...

Page 48: ...27 C U19 Rno 0 21 O IcO UI5 U U88 csQ C 7 U17 E tJ 8 5 d8 C RP m 1 Y b 1 J i U28 I tm Vdl U21 R I tv I Y s 10 I I I Q I 0 1 U22 U2 U2 U25 U26 M U27 QU28 C8 4 c Cas C44 a __ J9 c J 0 f I r J I f o of I...

Page 49: ...transceiver U22 3 9K Pull up Resistor U24 WD1943 Dual progranmable baud rate 8116 generator U26 U27 74IS138 3 8 MUX U28 U51 74IS244 ectal buffer line driver 3 state outputs U29 81 194 Custan gate arr...

Page 50: ...PE SIQiIALS 81 294 0 Scope signals fur this mainboard will be available soon the section will be sent to the dealers fur insertion into the new Technical Re ference Manual as soon as it is available 6...

Page 51: ...SO 7 51 7 L k 32 t 1 I l 3 l 11 N i UiiiQ Ct U7 BU AK i1J Ie 4Ls n IJ 7 OM Mil 172 0 3 VIZ 7 1 01 ltD 21 iii n 7 tltl t s s01 74 031 fo i 2 0 I r H rORQ EF iiJT n 1 1 D ORQ U I5 y 1 _ M Z7 7 1 MT D J...

Page 52: ...t O P I p 031 0 2 D21 01 UI4 0 I r 0111 PIP 7 1L 31 t 0718 1 7 f Ad 04I f2 AI 051 14 r f A g i tJ tt 02 H1 lit MAS om g MAl 0 1r un f MA7 W M Wi W r P1 Ale OI E 31 II Y OSCI IS L SO F OAoEN 31 j 07 co...

Page 53: ...1 3 A rti XRD I AI I AI 111 AlA 1 1 1 11 A I f lj AI J Al A 11 1 _ n IJ M b 0 lA K lA JK J nR Q 1 XMRE A All 4 All 11 1 lA U A3 1 121 A AIO AIO A lt S At 1 A Aq A I A A AI f I A Ar At 0 I All J Ap A...

Page 54: ...0 f k l J lL D It IJS t rr 2 Tf TFI T J n z PSI Il T w rer Ir Zi n JO 0 R f3 17 13 1 0 1 Y 15 7 75 75 uH K 7 1 7 CAl Ri5 3 7S 4 I 51 TAQ VH T A ORQ 31 DRQ S 8 10 B A A 11 Al AI AI Al will Il c C IMN 2...

Page 55: ...JA T 0 L C nn o O U I Z IIS T4 fl ern i t CIO n i nr lil 4 5 0 4701 V H ZO jj m n 04 Ir eLI ti a 14 7 A _ t DC c e 6 7 A 0 701 J IO 10 1 1 AD In r 2 UZ V Z_ 12 r2 I r l T oe a 2 7 2 1I 7 LSI 7 1L fb A...

Page 56: ...s s 1M FORMlDON i w I __ __ __ __ __ _ lIfrHtx1lmrltlltmrl _ V CK 0 1 lIl OO10 fL A AI 1 I an n tm I MC7 L OS 3 t 3 iJf8 lfzat r r 1 1 p 0 0 l ry lllO n t I o J f O 04 ht I II VO I V I V 3S 01 0 o t l...

Page 57: ...Y 1 YYeO Y 3 I Q Vdl 3 U21 R31 I r y s I0 I IQ f I 9 f I 50 a Q J W f 1 10 f f IQ1 I F U2S U3 00f U35 u R2 U37 r 9 Y5 V J9Rs 35 f I I I o I O I f IQf I f f Q I 0 1J35 0U32 o J 43 U 5 U IS I I 0 I flO...

Page 58: ...l bus transceiver 3 state outputs U21 4N35 Photo isolator U22 3 9K Pullup resistor 14 pin DIP U24 WD1943 Dual programmable baud rate 8116 generator U26 U27 74IS138 3 8 MUX U28 U51 74IS244 Cct a1 buffe...

Page 59: ...E SIGIAIS 81 184 0 Scope signals fur this rnain1 Dard will be available soon the section will be sent to the dealers fur insertion into the new Technical Re ference Manual as soon as it is available 6...

Page 60: ...C f VoLA Oob7 n lD 1 Il D 1 10 Ill f n t BD T IlD Z 11 I I f1 z aDel 3 u 7 7 1 01 LJ75 B 7 tUI f r t t t l t 11 i 1 rOil Q l F II n n f l t N e J HT r 7 3 1ST A 0 a t G 2 8 U Z STOGIT 10 i c 7oft S_...

Page 61: ...f Sv rr ItO 01 u 1l ZO ItJ I 0 tJ I to to 3 0 U I w 0 U1 l t I C S 6 _ r Tis MfR ICIRCUITTITt COOE RU INO lSH Zb 81 115 4 84 V 9iij f U 1M NON UNEAR SYSTEMS INC DlEI MAfI CAUl O NIA 1 NOMENCLATURE OR...

Page 62: ...jZ 1 U33 K SlAM ul Ill Oi U4 2 jOPF 7 8 I itA gS l II IS Jl 1IUS 11 nJz I IS M t 131 IJ t A 1 1041 J4 f VZ 11 1 U 1IN 1 OSC Hi vs lUG 0 J I SCHEMA7 C RAM ITEM NO c 4 84 8 IS NON UNEAR SYSTEMS INC DEL...

Page 63: ...RlrJTE Z 7 0 1I 1 I l t SHEET m KAY PRO 4 84 SCHEMATic FLOPPY COAJrJeOL f PARALLEL PRIIVTI R SIZE ICOD Il HT NQ C 03626 8 85 SCALE TWE1GHl UHLUS OT l llWISI SPlClflm DIMENSIONS ARE IN INCHES a NON UN...

Page 64: ...T I a file 4 _ Z 2 i A lao 7Z PROPRIETARY INFORMATiON Not for dlstllbu on 0 tr lr iSSlOO 10 any olOe ptI10II OfIl nil1bOll or cOrTllllft Ifltllout the IItf I 1iIisiOl 01 I Iypl O CorpurtlIIa 1Mfll IC...

Page 65: ...1 5_ ZO Il o tOK RI l a 7 aOI l o ZOI CIS oofo 1 lJ7 7 i S3r OK n VI l UitS I i 7 1 S 1 t 7 7 cll V 1it r oMf r 5 1 Me7 0 J c CI II Il a r6 R 0 z v WII 5 a III fJaa L T SSI n1 ltoD itO I IV l r V Cl I...

Page 66: ...t 0 j I YO g L 1 L I Iff flO I Q 1 41 4S U21 I RSI C84 c css U24 U25 U26 I l U27 QU28 J9 r L CH cg C47 R40 M I f I O f f I l C I O y O 001 cA f 1 V Et 5 f t 1 I Of I Of IcO IQ f I S6I Y S r I I Ii f r...

Page 67: ...45 ectal bus transceiver U21 4N35 Photo Isolator U22 3 9K Pullup resistor 14 pin DIP U24 WD1943 Dual programmable baud rate 8116 generator U26 U27 74LS138 3 8 MUX U28 U51 74LS244 ectal buffer line dri...

Page 68: ...E SICl lN S Bl 296 n Scope signals fur this mainboard will be available soon the qeetion will be sent to the dealers fur insertion into the new Teclmical Reference Manual as soon as it is available 6...

Page 69: ...I S11 71 73 5 fI UIJD S JS U j 1 C3A7 SA BAS A BAl BI oz lAI B Aj I O fMHi 1 33 10K A f f NT I lINT LtOy I 11 tJ II 11o D I j rlo aY loJf I SO t ovv JH Z JIO I CO DRQ 0 I TRQ lEO r f f 1 71 7 U i V NO...

Page 70: ...HUSS DTl JlWIS SPECifiED I COHT R MATERIAL I BoAt J J tI A VIOE O C ONTROLli t l QTY NEXT INAl SSY IASSY rD s so 0 c 3S FfZ 0 oS _ljlJ 1J alit 1 hlAt I tl I I Ule 6B S A NEXT I FINAL ASSY ASSY APPliCA...

Page 71: ...U iS Oi U2 I I IT r l 7 UIO i PRUPRrntpv Xl INfQRMATlCN OSCI k1 cl5trlbul Ofi I 1 1 CJiHl f h wn to YS I I l PlW Xl I nlld t K 1l Of osc l1 Pln wll loot 4tJD 50PF I c It S lO r 7 c8 L_ __ OIjl Jl ttO...

Page 72: ...WITiiT 07 f 3 IJ D Q UI 5 1 1 1 7 D Q DJ 0 17 74L o 373 0117 Ii Q 17 3 QZ 7 tL 3l e I un 3 I oc II II 15 417 HP n J 4 D Q 5 I II Ce 7 0uorq _A 2CH lll 3 0 Qrz I I T LS I I us I 7 3 q f 2 T 1 f1TAo 7 U...

Page 73: ...o V JJ S z T DA 24 I z gz r J I I r Z rT T 08 12 1 J e 1 II DA so _ Slt 7 1 5 t J ifU rl 1VI1n Ci SIOCU CA CAl l c a A t ID rz t 1 sW 1 n Tn ill lSI i LSI KEyaOAR D C U J OA UOl 1 12 vz L rl I 170 r Q...

Page 74: ...o rRt _ liZ I 4 S I Vv v J zoK u21 I T r 101 S v IIIC 0 I l t i l H I n 1 ooS 1 1 ct a VAl II 1l15 82J r v V Z OK J z f en I S4 I t tOOK RI OTY I INAL IMSY IASSY CAl H H OOI y 1 3 COS iT aTI eR 1 fI41...

Page 75: ...4 84 these are Jl J7 and J10 6 Remove the riblx n cable s Q1 the KAYPRO 2 83 and 4 83 this is J6 en the KAYPRO 10 they are J8 and J9 en the KAYPRO 2 84 and 4 84 this is J8 7 Rarove the rrainboard 1 S...

Page 76: ...board the ALIGN diagnostic should be invoked This will fill the screen with H s and aid in adjustment HOUZCNrAL CENTERING Figure 7 2 Elston video board Bright Vert Size Check to see that the pattern i...

Page 77: ...oke alignrrent Oamp Screw Locking Clamp Adjust the frJcus pot until the edges and center of the display image are in fOcus To prolong the life of the CRI the maximum brightness obtainable should not b...

Page 78: ...Figure 7 5 Micrex video board VIIEO AIlJllS lMENl S FOR MIrnEX CRl The same procedures should be used to adjust the Micrex CRT assembly as those used for the other brands of CRTs mar D D D 7 2 1...

Page 79: ...Below is an example of per feet video alignment with a capital E positioned along the rorders You can copy this diagram onto a piece of clear stiff plastic to use as a template over the screen fL __25...

Page 80: ...ce Video comes from the main board as separate signals not as a composite like a IV signal A simple check fur l2V on the video board is to turn the BRIGHINFSS pot up then turn the rear panel brightnes...

Page 81: ...hl first l ld de dest ld be last first1 ldir jp dest I dest equ 08000h first deft 0 phase dest beginning 0 f the program first turn 0 ff the drives and turn on the vid page a 01ch 7 a turn on the vid...

Page 82: ...xJn call delay call l x ff jp loop aon in a 01ch set 0 a out 01ch a ret aoff in a 01ch res 0 a out 01ch a ret bon in a 01ch set l a out 01ch a ret l x ff 111 a 01ch res l a out 01ch a ret i delay Id b...

Page 83: ...678910123456789101234567891012 msg1 defb defb defb msg2 defb defb defb i last KAY P OR 1080H R OR 1080H O II HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH crt ad j or 1080h u or 1080h stment defb 10 10 10 end star...

Page 84: ...installation check to see if the small plastic standoffs are attached to the bottom of the CRr PCB If they are not attached use the ones from the old 1 x ard 1 Lower the CRI assembly into the chassis...

Page 85: ...ION If a power sUW1y is removed from a 2 83 or a 4 83 and it s going to be used in another computer it MUsr be used in a 2 83 or 4 83 The power supplies used in 2 83 and 4 83 computers are not interch...

Page 86: ...eplacement tool is recommended due to the difficulty of reaching this XlTlfO lent 22flN CCNFIGJRATICN Astec SUR ly Identi fied by a beige toard with a white label on the right 0 f the component side T...

Page 87: ...nd capacitor C2 lDcate a six inch wire that is soldered to point JPl If the 1 xxl rd is configured for 110 7 the other end of the wire is attached to point El labelled 110 7 Unplug the wire from point...

Page 88: ...corner 0 f the board Ihese resistors get quite hot during operation Wiring should lJe tied down AWAY FRCM lliESE CCMPCNENTS Locate a jumper block labelled 115VAC and 230VAC With the jumper in the llS...

Page 89: ...tie wraps frem the plastic standoffs 7 Rarove the po rer supply POmR SUPPLY INSTALIATICN L Fbsition the power supply inside the chassis so that the fOur plastic standoffs are aligned with the fuur mou...

Page 90: ...g the various models of diskette drives to be used as either A or B or in the case of the KAYPRO 10 C drive DISK OOIVE crEANING Generally speaking the majority of people clean disk drives too often Un...

Page 91: ...t the face plates of the different brands of half height floppy drives that are used in Kaypro computers The drive door closure and the LID position can be used to reference the drive Fig 9 1 TANIXN H...

Page 92: ...Fig 9 4 TCKYO C _II J l 1 1 Fig 9 5 TCSHIBA IT Ie Fig 9 6 HI TECH 0 I I I 9 3...

Page 93: ...Fig 9 7 DRJ 1El OC I o Fig 9 8 TANDCN Full Height D 00 I I 9 4...

Page 94: ...connector for the data cable is a black plug with ten pins These pins are jumpered to change the configuration of the drive They are MX 0 1 2 3 KAYPRO 10 The two pins in the 0 position should be jump...

Page 95: ...n jumper the pin in the center and the pin on the le ft 0 fit No terminating resistor is necessary B DRIVE JumPer the two pins in the 2 fOsition In the M fOsition jumper the pin in the center and the...

Page 96: ...as sixteen pins For the terminating resistor to fimction all pins must be jumpered EXCEPT the two next to the letters RM When the resistor is not needed none 0 f the pins should be jumPered KAYPRO 10...

Page 97: ...ity of 2 6 megabytes HIGH DENSITY DISKEI tS Ihe diskettes used with the high density drives MUST be pre fOrmatted 17 sector 192 TPI diskettes DRIVE CCNFIGJRATICN Next to the connector fOr the data cab...

Page 98: ...hard to slide out of the drive shield unit loosen the screws holding the other drive in place DISKErm IlUVE INSTAUATIOO 1 Configure the new drive A Drive or B Drive Refer to pages 9 5 to 9 8 2 Slide...

Page 99: ...infurmation from a hard disk which has crashed requires a clean room no directions fur per furming such an operation are included in this manual Be aware that true head crashes are very rare occurrenc...

Page 100: ...ng Winchester technology This technology includes sealed media and drive heads with an air filtration system that prevents contamination Since the drives are sealed there are no dealer serviceable com...

Page 101: ...one type has ten 10 switches Ihese switches are located on the drive PCB next to the po ver plug 9 PCSITIrn SWITCH Pins 1 2 and 4 should be in the up position 10 PCSITIrn SWITCH pins 1 3 4 and 10 shou...

Page 102: ...e right side of the chassis 4 Tilt the machine up so that the front of the machine is sitting on the work sur face and Parallel to the floor 5 Remove the six screws from the bottom of the chassis tr a...

Page 103: ...es of the drive 4 Tighten these securely 5 Insert two screws through the oottom of the shield and into the mounting holes of the drive 6 Tighten these securely 7 Replace the riboon cable s po ver plug...

Page 104: ...11 HARD IIUVE CQl I R ILER Ba RD 11 1 IEiCRIPl I N Ihe hard disk controller l x ard used in the KAYFRO 10 is a Western Digital board and is not dealer serviceable 11 1...

Page 105: ...t replacement 5 Remove the three screws that attach the hard disk controller board and the drive shield 6 Remove the board HARD DRIVE CCNTRa LER Ba RD INSTALIATICN 1 Position the hard disk controller...

Page 106: ...12 1 CN The interface 1 oard that is used on the KAYFRO 10 is the inter face between the mai nl xJard and the hard drive controller board This board is not dealer serviceable 12 1...

Page 107: ...can create mal functions in signal transmission to the computer lhis is because the wire in phone cords is too small therefbre the impedance over the total length 0 f the cord can be too high fur reli...

Page 108: ...two sections 0 f the chassis cover from the machine aIASSIS COJER 1 Place the lower chassis cover on the machine and align the eight mounting holes with the mounting holes in the sides of the machine...

Page 109: ...t over and remove the fuur screws that attach the speci fie drive to the support unit 1 Align the drive moUI lting holes with the mounting holes in the drive support um t 2 Insert fuur screws into the...

Page 110: ...CCLCRED TAB I O AND REFERENCE...

Page 111: ...ix guide s infurmation is based on our experience repairing Kaypro computers The guide is a summary of the records that Kaypro Repair maintains on each computer received Fixes fur each problem noted a...

Page 112: ...ace fuse holder Replace po ver switch Correct jumpering on po ver supply Defective po ver supply Replace po ver supply Defective harness Replace harness Fuse blows When po ver is turned on Defective p...

Page 113: ...nected Defective CRr Defective mainboard Replace harness Turn up brightness knob on rear 0 f chassis adjust brightness pot on CRI lxlard if necessary Check all connections to CRI be sure plug on rear...

Page 114: ...square Check fur shorts between wires in rear of brightness adjusting krx b Replace rrainboard Missing characters Defective ma inboard on video display Defective eRr Replace ma inboard Replace eRr ass...

Page 115: ...rrect Drive select jumperin J incorrect Data cable poorly connected Defective data cable Defective drive A Defective rrainboard Defective diskette Defective rrainboard Defective drive Defective rrainb...

Page 116: ...A try to copy fran a new master Replace diskette drive Replace mai nlJoard No output to parallel printer No output to serial printer No pcMer to printer Pcor cable connection Printer is assigned as s...

Page 117: ...xJard po ver connector replace harness De fective mainboard Replace main1 XJard Defective keyboard Replace keyl x a rd No characters on video when keys struck on keyl xJard De fective keyboard coil co...

Page 118: ...ainboard Defective fuse holder Power switch shorted internally Power supply jumpered fur wrong supply voltage Replace fuse Check harness connections then check fur proper voltages fran poNer supply re...

Page 119: ...poNer supply No video display or pcx r quality display De fective harness Brightness not adjusted CRI not connected Defective eRr Defective mai nlxJard Replace harness Turn up brightness knob on rear...

Page 120: ...connector If open replace Hard drive 1 oots but no cursor on video Defective system image Run PUI SYS and PUl OVL fbom the diskette drive push RESEr Diskette drive boots but no cursor on video Diskett...

Page 121: ...e drive rtmS No system image Incorrect cable orientation De fective ma inboard De fective drive Diskette off center Defective diskette drive Defective ma inboard De fective drive heads De fective ma i...

Page 122: ...d drive Run FINDBAD or CHEll on cylinders o and 1 if no errors are fOund run PUI SYS and PUI CNL Replace controller board Boot on a disk in the diskette drive run FC tAT on entire hard drive then run...

Page 123: ...printer is plugged in and selected Check all cable connections fran a mputer to printer also check serial port connector pins fur contamination Use STAT to assign printer device to serial type STAT r...

Page 124: ...ctive power supply Disconnect all roodules fran power supply replace power supply if fuse still blows High pitched squeal or chirp No video display CX1e roodule has a short Defective harness CX1e modu...

Page 125: ...up brightness knob on back of properly chassis adjust brightness pot on CRT board if necessary Loose connection fran mainb ard or fONer supply Strange video Defective mainb ard image Missing characte...

Page 126: ...select jumpers Drive A LED only on during reset Drive select jumpering Check jumpering on drive A incorrect No LED on drive A at any time Canputer boots CP M but no master menu appears Rattling sound...

Page 127: ...ert another blank diskette i fon drive A try to copy fran a new naster Replace diskette drive Replace nainboard No output to parallel printer No output to serial printer No po Ner to printer Poor cabl...

Page 128: ...heck voltages esp 12 V at IXMer supply output replace po ver supply De fective keyboard Replace keyboard No characters on video when keys struck on keyboard Defective harness Defective mainboard De fe...

Page 129: ...SYMPT M FIX GJIIE See KAYPRO 2 AND 4 SYMPI CM FIX GUIDE fur the 2 84 he problems and solutions will not be di fferent For troubleshooting infurmation on the KAYPRO 2X see the KAYPRO 2 AND 4 SYMPI CM F...

Page 130: ...15 6 I AYPRO 4X SYMPTCM FIX WIlE For help in troubleshooting the KAYFRO 4X see the KAYFRO ROUE SYMPl CM FIX GUIDE 15 20...

Page 131: ...rom the menu For custom software or those instances where there is no choice of AI M 3A on the menu the complete command protocol for the KAYPRO 2 4 or 10 is rntro1 O1aracters Action Dec Hex Ring Bell...

Page 132: ...on Cursor off Video m xie on video m xie off Remanber current cursor position Return to last remembered cursor position Status line preservation on Status line preservation 0 ff set pixel Clear pixel...

Page 133: ...lJm key is pressed Bell sounds an audible bell fran keyboard Backspace nove cursor left one character fX sition Ibrizontal tab noves cursor to the next de fined tab stop CP M assumes tab stops at eve...

Page 134: ..._ _ _ his section contains drawings of the pin assignments on various output PJrts on Kaypro computers intended as an aid in building printer cables and in troubleshooting problems with peripherals 16...

Page 135: ...25 DATA 6 8 26 MSB DATA 7 9 27 N C 10 28 BUSY IN 11 29 12 30 13 31 N C 14 32 15 33 16 34 GROOND 17 35 N C 18 36 GROOND N C GROJND N C Top 0 f connector Botton 0 f connector Note that the BUSY line is...

Page 136: ...OOl RD J3 TxD 4 2 RxD GNU 3 1 5V KAYPRO 2 83 AND KAYPRO 4 83 SERIAL roRT RS232C J4 GROUND 1 14 TxD 2 15 RxD 3 16 4 17 crs 5 18 6 19 GROUND 7 20 DI R 8 21 9 22 10 23 N C N C 11 24 12 25 13 Bottan of co...

Page 137: ...10 23 11 24 12 25 13 Bottq n of connector Ibp of connector KAYPRO 10 KEYOOARD J5 The pin out for this connector is the same as J3 on the KAYPRO 2 83 and KAYPRO 4 83 see page 16 6 KAYPRO 10 PARAIIEL PR...

Page 138: ...KAYPlV W SERIAL PR IN rER PeRl RS232C J4 GROUND 1 14 RxD 2 15 TxD 3 16 4 17 5 18 6 19 GROUND 7 20 crs 8 21 9 22 10 23 N C 11 24 12 25 13 Bottom of connector Top of connector 16 7 1...

Page 139: ...see page 16 6 KAYPRO 2 84 2X 4 84 4X AND RCBIE smIAL DATA rnANNEL J4 The pin out for this connector is the same as J4 on the KAYPRO 2 83 and KAYPRO 4 83 see page 16 6 KAYPRO 2 84 2X 4 84 4X AND ROBIE...

Page 140: ...0 D1 3 21 D2 4 22 D3 5 23 D4 6 24 D5 7 25 D6 8 26 GRaJND D7 9 27 10 28 11 29 12 30 13 31 14 32 15 33 GRaJND 16 34 GRaJND 17 35 SPARE 18 36 KAYPRO 4 84 4X AND ROUE M DEM J6 Note that this is Nor cormec...

Page 141: ...selection disk drive control and printer handshaking The serial output is an 8 bit word with one start one stop and no parity Examples Received character available is obtained by testing bit 0 of the...

Page 142: ...er status control I O 1D 6545 6845 FA CRI controller data I O Parallel Printer output only 18 1B 74 373 Serial Printer I O 08 0B WD 1943 crn 8116 QlC ZSIO 2 Olan A QlE ZSIO 2 Olan A Serial Data I O Ql...

Page 143: ...n A Mv1 58167A Real time clock register select and interrupt status Bit fi mctions o lsb register select output 1 II 2 3 4 msb register select output 5 not usErl 6 rtc interrupt output input 7 rtc not...

Page 144: ...RAM l Select RCM RAM 8fZ 00 FFFF System input port Bit functions 12 0 floppy A selected C on KlfZ 1 0 floppy B selected Hard disk on KlfZ 2 0 Side 2 selected 3 PSTROO 4 0 rcotor is on 48 tpi floppy 5...

Page 145: ...aler chip not BSTRCEE input present next digit frcm dialer chip r t rlem PIO control port The internal rocx 1em on the KAYPRO uses Texas Instruments TMS9953l dialer and TMS99532 modem chips Both of th...

Page 146: ...k controller card data I O port Error Register input Write Precarp output sector count register 1 o Sector number register I O Cylinder 1011 register 1 o Cylinder high register I O Size drive head reg...

Page 147: ...or A L 44 2C 76 4C L 108 6C 1 13 0D CR or M 45 2D 77 4D M 109 6D m 14 0E SO or N 46 2E 78 4E N 110 6E n 15 0F SI or 0 47 2F 79 4F 0 III 6F 0 16 10 DLE or p 48 30 0 80 50 P 112 70 P 17 11 OCI or A Q 49...

Page 148: ...17 3 MMm Mr PS MEMORY MAP OF KAYPRO 2 AND KAYPRO 4 CBIOS FAOOH BOOS ECOOH CCP E400H TRANSIENT PROGRAM AREA IOOH CP M BUFFERS OOH 17 2...

Page 149: ...MEMORY MAP OF KAYPR010 CBIOS EAOOH BOOS OCOOH CCP 0400H TRANSIENT PROGRAM AREA IOOH CP M BUFFERS OOH 17 3...

Page 150: ...MEMORY MAP OF KAYPRO 2 84 AND 4 84 CBIOS F600H BOOS E800H CCP EOOOH TRANSIENT PROGRAM AREA IOOH CP M BUFFERS OOH 17 4...

Page 151: ...MEMORY MAP OF KAYPRO ROBIE CBIOS F200H BDOS E400H CCP DCOOH TRANSIENT PROGRAM AREA IOOH CP M BUFFERS OOH 17 5...

Page 152: ...ield Road Mountain View Ca 94043 415 961 2212 seagate 920 Disc Drive SCotts Valley Ca 95066 408 438 6550 Shugart 475 oakmead Parkway Sunnyvale Ca 94086 408 733 0100 Tandon 20320 Prairie St Chatswort I...

Page 153: ...Keytronics 7032 OWensmouth Canoga Park Ca 91303 714 832 1685 Maxi Switch 9697 E River Road Minneap lis MN 55433 612 755 7660 8M 4617 Ruffner Street 206 San Diego Ca 92111 619 560 8330 POtIer Supplies...

Page 154: ...costs and problems Kaypro is unable to supply colored maps in the Technical Manual he CP M Manual incllrled with each KAYPRo You can devise excellent and effective tests fur the machines through imag...

Page 155: ...2 is off Position 3 is on Position 4 is on Position 5 is off he mainboard 1 S the same with these exceptions Jl U73 U74 U77 U78 U79 U80 U81 U82 U91 U95 U96 and U97 are deleted nle keyboard eRr assemb...

Page 156: ...pin ribbon cable the PJwer plug and the ground wire fran both diskette drives 3 Position the computer so that the rear of it is on the work surface and the bottan is facing 4 Remove three of the four...

Page 157: ...al modem 16 14 KAYPRO 1 1 block diagram 6 18 KAYPRO 10 specifications 3 1 KAYPRO 2 and 4 block diagram 6 6 KAYPRO 2 specifications 3 1 KAYPRO 2 84 and 2X specifications 3 2 KAYPRO 4 specifications 3 3...