Sharp MZ-3500 manuals

Sharp MZ-3500 User Manual (116 pages)

Brand: Sharp | Category: Computers | Size: 1.83 MB |

English

Table of contents

SERVICE MANUAL

1

1. SPECIFICATIONS

2

Keyboard layout

3

1-3. MZ-1U02

3

1-4. MZ-IR03

4

1-6. MZ-1R06

5

1-7. MZ-1D07

6

2-1. SDO (INITIALIZE STATE)

8

MAIN CPU

8

M* )S V 1 M/}

9

MZS.'tOO

10

2.3. SD2 (ROM based BASIC)

11

Operational description

12

3. CPU AND MEMORY

13

L© 'MTR !

14

3-3. Sub CPU and I/O port

15

1) Block diagram

16

‘ VK IN MEMCKT MM I Mf

20

4. CRT DISPLAY

22

X 25 lines screen.)

24

For Model 3200 senes

26

4-2. Video RAM

27

5) Synchronize signal timing

30

X : Y - 1 : 2

30

X : Y : 1 : 1

31

'iBK byte

32

(option I)

32

48K byte

32

(option tl)

32

M Z 3500

34

CSP 2 Block Diagram

37

20 GND IN

38

ASCII C.G. Structure

40

4 9. VSYNC

41

ARIO = HI

42

> FIFO Empty?

44

[Explanation]

45

Straight line drawing

46

Whereas

46

5. MFD INTERFACE

47

^ 0 ^ 0 1

49

8) Data write procedure

50

5^. FDC (UPD765)

52

UPD765 signal description

53

5-5. Data recording method

54

<ITE DATA

55

Write pulse [] fl d fl R

56

Polarity inversion

56

+5V RtAD DATA

57

M -- 3.1

58

©"T

58

Advanced

59

Does not trace i l^is

59

5-11. Media format

60

(Bbyles)

61

02 0\ FF FF

62

( 2KX 152 = 304K )

63

Stop bit

64

6-4. System switch functions

65

6-5. 8251AC controls

65

2) Data output control

66

3) Data input control

67

7-D0C>#

68

3iil>CPU of Ni^

70

<i>

71

7 4. Data transfer timing

72

7-6. I/O port map

73

8. OTHER INTERFACES

74

-<3 ri>

75

MZ,"500

76

DIP SW(A)

79

1. BLOCK DIAGRAM

80

A. +5V and +12V supplies

80

M 7,3500

81

3. Alarm circuit

82

DESCRIPTION

83

10-2. Key search timing

84

JLJl_JlJT_ri_rLJl

85

Power ON

86

START (5mS)

86

11. SELF CHECK FUNCTIONS

87

CD SDO bank alternation error

88

11-2. Sub-CPU side

89

.8 test the

90

20 lines

90

/<.y ^ Jf -y > K W

91

8) ROM-IPL

92

S3Si-54Kl=-.*- •

93

12. IPL FLOW CHART

96

MAIN CPU IPL FLOW CHART 2/2

97

12 2. SUB CPU IPL FLOW CHART

98

■ I I Y Y TV

99

IjJliJlJjljJljJLllLljLLJ

99

LlJ LiJ LiJ Lei LiJ LLl LiJ

99

LJLeJ'LDliJLiJLLjLJLiJ

99

Pi co vO co fO Pi

100

Ч Г ^n UO

100

¿. ^ О

101

Û. CM Û

101

GUIDE LIST

102

I'l Exteriors

103

1 Exteriors

104

PWB & Fixing angles

105

[3 Connector

106

[4] Others

107

5 CPU PWB

107

5I CPU PWB

108

U Power supply unit

108

[6j Power supply unit

109

П MZ1R06 (RAM board)

111

SHARP CORPORATION

116

Industrial Instruments Group

116

Sharp devices