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Sharp MZ-700 74LSOO74LS02 74LS147417, 74LS427472, 74LS125A74LS145, 74LS04 74LS32 74LS86, 74S157

Models: MZ-700

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9.le SIGNAL POSITION

74LSOO74LS02

74LS147417

5A 5Y

IY 2A 2Y 3A 3Y GND

lA IY 2A 2Y 3A 3Y GND

74LS427472

VCC PR K3 K2

NC CLR JI J2 J3 GND

74LS125A74LS145

INPUTS

VCC 4C 4A 4Y 3C

IC lA IY 2C 2A 2Y GND

74LS04

74LS32

74LS86

\ICe 48 4A 4Y 38 3A

lA IY

2Y GND

74S157

SELECT ~ IV ~ 2V GND

INPUTS OUTPUT INPUTS OUTPUT

Page 28

Image 28

Sharp MZ-700 74LSOO74LS02 74LS147417, 74LS427472, 74LS125A74LS145, 74LS04 74LS32 74LS86, 74S157, le SIGNAL POSITION, 5A 5Y

Contents

PERSONAL COMPUTER MZ-700SHARP SERVICE MANUAL MZ-1TOl MZ-1POl1. SPECIFICATION MZ-700 VolumeMZ-700 Front view INS. DEL keyH rn ~PO~UPt\.0 t,J~4. SYSTEM DESCRIPTION Page I ------Jr HBLK~as a2 a ~ ~r\,1Z-700 IV? 7ce ~ P7 ~ P1~ P5 Y rMemory Management Memory Management VRAM4-3. Memory mapped I/O $EOOO - $EOO8 Page Page c Keyboard controDer Cassette specification Block diagram5. DATA RECORDER 5-1. Data recorder MZ-lT01iv1Z Troubleshooting procedurePhenomenon Program can not be loaded or resulted in error signal is onMechanical adjustments Collector of transistor 03003 Digital voltmeter Test tape MTT-113Pinch roller Head6mv~ Cassette recorder waveformsI ++6+ ? 3 7~~6. COLOUR ENCODER 7. MICRO COlOR GRAPHIC PRINTER MZ-700~ kot...... .-J Page MZ--700 PI,B +---i---5,usuiyl A ROP ------r-----I8. POWER SUPPLY MZ-700Page 2-4. Abnonnal increase of output ripple ~v1Z - 70C74LSOO74LS02 74LS147417 74LS42747274LS125A74LS145 74LS04 74LS32 74LS8674LS166 74LS17474LS176 74LS24674LS27310. CIRCUIT DIAGRAM & PARTS LAYOUT MZ-700c er RESETr.----J r---- ~1t!tc csEO~CS II1W WRcsnMW =r=t----4 EMR~Page 4O~- BACK t,Y.I~WIT LJ~~~¥..~.~.~M~.~A~,J~l--r ~-I-?~ ~~37..0 ~sOOPage IPower unit r%~~~~--~ A. LffO~ ~n r~C3001 ~U/IIII\fIIv Lf j~2S046ec Motor P.W.B. unitEI02IAC-33A ~3~O~-t==~~~1-~~r-1I~ ~~t===~====PII 12~8~~~~~~~~ ~===---------~NC=3~2~MPage MZ-700 PARTS LIST & GUIDE rn CPU Unit Exteriors MZ·70020 P rn CPU U~~t ExteriorsMZ·700 Printer Unit Exteriors MZ·700IlJ CPU Unit Electronic Components MZ·700PARTS CODE DESCRIPTION3J CPU Unit Electronic Components Printer Control PWB Elecronic ComponentsOther MZ·700Power Supply Unit MZ-700PARTS CODE DESCRIPTIONID Power Supply Unit 2016MZ..700 12----t--~~~~7~13 Key Board UnitMZ·700 Ca ssette Unit MZ·700PARTS CODE DESCRIPTIONCassette Unit MZ·700PARTS CODE DESCRIPTIONCASSETTE UNIT 4~1 ~MZ·700 Index PARTS CODEPARTS CODE NO. PRICE NEW PART MZ-700MZ·700 PARTS CODEMZ·700 ~T2EY332J11-185121\0 71931-100 S!MMZ700!lT&1POl 203 - 250887!720g0700Q SHARPMZ-700 SHARP CORPORATION