Sharp MZ-3500 manuály

Sharp MZ-3500 Uživatelský manuál (116 strany)

Značka: Sharp | Kategorie: Počítače | Velikost: 1.83 MB |

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SERVICE MANUAL

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1. SPECIFICATIONS

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Keyboard layout

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1-3. MZ-1U02

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1-4. MZ-IR03

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1-6. MZ-1R06

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1-7. MZ-1D07

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2-1. SDO (INITIALIZE STATE)

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MAIN CPU

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M* )S V 1 M/}

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MZS.'tOO

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2.3. SD2 (ROM based BASIC)

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Operational description

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3. CPU AND MEMORY

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L© 'MTR !

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3-3. Sub CPU and I/O port

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1) Block diagram

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‘ VK IN MEMCKT MM I Mf

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4. CRT DISPLAY

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X 25 lines screen.)

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For Model 3200 senes

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4-2. Video RAM

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5) Synchronize signal timing

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X : Y - 1 : 2

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X : Y : 1 : 1

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'iBK byte

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(option I)

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48K byte

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(option tl)

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M Z 3500

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CSP 2 Block Diagram

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20 GND IN

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ASCII C.G. Structure

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4 9. VSYNC

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ARIO = HI

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> FIFO Empty?

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[Explanation]

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Straight line drawing

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Whereas

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5. MFD INTERFACE

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^ 0 ^ 0 1

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8) Data write procedure

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5^. FDC (UPD765)

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UPD765 signal description

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5-5. Data recording method

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<ITE DATA

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Write pulse [] fl d fl R

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Polarity inversion

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+5V RtAD DATA

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M -- 3.1

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©"T

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Advanced

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Does not trace i l^is

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5-11. Media format

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(Bbyles)

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02 0\ FF FF

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( 2KX 152 = 304K )

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Stop bit

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6-4. System switch functions

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6-5. 8251AC controls

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2) Data output control

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3) Data input control

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7-D0C>#

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3iil>CPU of Ni^

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<i>

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7 4. Data transfer timing

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7-6. I/O port map

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8. OTHER INTERFACES

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-<3 ri>

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MZ,"500

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DIP SW(A)

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1. BLOCK DIAGRAM

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A. +5V and +12V supplies

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M 7,3500

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3. Alarm circuit

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DESCRIPTION

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10-2. Key search timing

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JLJl_JlJT_ri_rLJl

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Power ON

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START (5mS)

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11. SELF CHECK FUNCTIONS

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CD SDO bank alternation error

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11-2. Sub-CPU side

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.8 test the

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20 lines

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/<.y ^ Jf -y > K W

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8) ROM-IPL

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S3Si-54Kl=-.*- •

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12. IPL FLOW CHART

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MAIN CPU IPL FLOW CHART 2/2

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12 2. SUB CPU IPL FLOW CHART

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■ I I Y Y TV

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IjJliJlJjljJljJLllLljLLJ

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LlJ LiJ LiJ Lei LiJ LLl LiJ

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LJLeJ'LDliJLiJLLjLJLiJ

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Pi co vO co fO Pi

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Ч Г ^n UO

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¿. ^ О

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Û. CM Û

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GUIDE LIST

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I'l Exteriors

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1 Exteriors

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PWB & Fixing angles

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[3 Connector

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[4] Others

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5 CPU PWB

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5I CPU PWB

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U Power supply unit

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[6j Power supply unit

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П MZ1R06 (RAM board)

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SHARP CORPORATION

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Industrial Instruments Group

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