Zenith Z-171 Circuit Diagrams Download | Manualshive

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Summary of Contents for Z-171

Page 1: ...eoo TIIO 149 IoIel19 IQ 0 r _PAN CHo UIS CON L c PU A J CMA REA DT INTERt JPT lOGlC i J a uv 1 y OF V 01511 P I h II u Il PeIlT TlM R lo y g IID I ori M f Tl L MIS I COLIIIHR OOR SINltI C I INTE AC I...

Page 2: ...0 OM __________________ ____ __ 0 5A Q M I A l 71 I rw 1 40 5 e Ii C1C L I r q nt J I JA p I l l lc rQ 4 r II I l f I1CH 11 Ll li 1r H HtF 1 0 H I _Jb _ _ f w W I o t j t O l ClS oI Z y CI v lO J J Ct...

Page 3: ...Q lL No Pi Sl UlK _ f lrn I LI 51 7 SI 0 Z po c o 1 5 A B A All 35 o U7ja 1 3 D 0 At 17 I P Dy cl R Y 7 P 4 AI7 7IJ AI 38 PS3 D 0 HUl AI CPU t fiiaL 2S ioe MAl Il c 4 PI RPt 4 Kll IN TIlO i lN T OIt...

Page 4: ...l f 1 I 1 IN 0 lP r J q i W I el llI i 0 f I IJ I U j q I _ J I I I iI1l E f TIlp I I 11 rl l i H H I 1 0 3 J Jj I i 1 t 4 I WS L P II I 1 t7 o I 1 2D 1 l n07 t f o Figure A 3 DMA Ready and Interrupt...

Page 5: ...I i n D Figure A 4 SRAM ROM and SIO...

Page 6: ...l CUI 9L I _It fll6Wl 2 0 l C i5 6 Nt tlCAIil I I 2CU1 7 11 II Gt CUl A a 3 1 011 ProDR I M 1 0K tC Q q 1 T e l2Hl v A K j 1 2 1 rot r h 12 n 0 I 011 8H I HC 7 l3 eiiiil n AA 2 J 0 Q I 9 GH O C ll Fi...

Page 7: ...it v iL l 6 H QI p i I GoO J1 C EJ K 1 _ 0 0 0 6 U j M n T 061 bJ LB V t E l NIIL 6L m i j J m v M iitN u n Ii J 1 Ir 710 v l ITT u 7G v D W 7G I iffi Olll OAI i A 0 0 2 0 OD VIID n q 0 h sV r II A C...

Page 8: ...o 0 0 e I on l 1 lI otL L T n 1 I 0 I I f f It 1 I loot Ie m V I i5 C D O fJ D rr lL n 3K o r Ii i t J i 1 9 U 11 1 1 L E I r w i N i JL I Figure A 7 Display Memory Interface...

Page 9: ..._ e qM n D D II c M t tl 0 ID D I Ml 0 J C lID _ __ It t 00 i9 r I r t OO lH t 7K ijj t J J t FH j 1 E J7 0 D IT k __ CLIU C It P o CI 2 I h HIJ tY Q7 1 M Figure A 8 Floppy Disk Interface...

Page 10: ...ffi I I I h I 0 OJ n II c Co I I 1 fltl ll L tt tt 17C l1 _A _fi E 10 r j O f 0 f 10H j f L_ C l Q fL c I _I J f JS Figure A 9 Printer Parallel Port and Timer...

Page 11: ...c it J3 f 2F 7 l PJ I y r r l f mi l l 8F 1 r 0 41 j iS I A 0 l I 1 II i I I m I j 0 I 0 3G fl 0 fl 3E Q tol 2E 1 D D 00 1 I v n ii 1 I rlil l j 1 I I I l R L 1 Ht lY l t r I I t F t t 1 1 em 0 Figur...

Page 12: ...47 A erf liM h I o n l Y D J lU n Cl B V I T TI P LrQ CD 0 D Il IN e S t n Ko I I U NJ l N V Rf Sl alEO Folt lOt I Furuff tJ5 E 15 o j en I 11 1 I 1 I n ISo II C D J A Qq I me i n n D 0101 I r 02 2Hl...

Page 13: ...V lit I 8 4 J ll n J 8 H L r r 0 1 3 C t 1 u It B lIT 0 0 4 K I 4E 13 r 0 2 5 F r f 0 0 I l A J8 9 6 I HI ZJ r j L l I E r 0 B 17K 1 J IOJJIOUIIII O IIJ f 1 P Iy d To tf l J D J C roo r c a n L 1 I J...

Page 14: ...i 1 t o l t h I l h O T I l K 11 0 or U OM THe otj oor r A Af f l01 C PfE OffM f l TH Tfll i I L lolln t T O n M J J 1_ M n U t1 a r 110 ttI t Q D l Figure A 13 1 11 1 N Oj l f u c t Power Control Bo...

Page 15: ...a 30 fL f 76 0 IJ be b be r J j u I I J 1iIf 7 5 5 Of f tJ IA 4 l 4 h c til n 3 3 1 L J J 7A So Z Z J c 0 00 L I I I I n 1 tPl n 0 I r KI t Q lL om t It r t I I 0 7 2AJ IL J rl f ZA n 6s f Hell 5f I C...

Page 16: ...O 1 I L I us n 7 J k c 7 i I 1 1L I J l Cd T 1 To I I r L 1 it t T 7 L D I iI I F _ I I f J l fwa 791 4 I J II l 1 I 4 If u A W k i I W l I I 1 I JlB t IF n L o I IT I I l z F F l T N U l Tf l _oB r...

Page 17: ...1 i r _ 1 l VI 4 4 I llU It t 1 n l n 1m n n I r I FIgure A I6 Video Board Part I...

Page 18: ...Itou f 0 0 J 3 0 tL 1 R II 1 l _ 1 II A A 5 0 o eA QJfQ2 1 J ITree a C u CT 0 nr n l 1 3 l J rE ARMt 1 1 3A 1I0t l Y r JMP t I A Jl c 1 1 1li 5 r c J P I B r t r I l_ I n r I Nl tof JI 1p J l v e 0 R...

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