Sinclair ZX SPECTRUM+ Manuals

Manuals and User Guides for Sinclair ZX SPECTRUM+. We have 2 Sinclair ZX SPECTRUM+ manuals available for free PDF download: User Manual, Service Manual

Sinclair ZX SPECTRUM+ User Manual (86 pages)

Brand: Sinclair | Category: Desktop | Size: 14 MB

Contents
3
How to Use this Book
4
Get Going
5
Setting up Your ZX Spectrum+
6
Checklist
6
Setting up Questions and Answers
6
Powering up
7
Sockets and Connectors
7
Tuning in Your TV
8
Tuning Controls
8
How to Test the Spectrum's Colours
8
Setting up Troubleshooter
9
What Your ZX Spectrum+ Can Do
10
Experiment
10
Program Your Spectrum
10
How to Enter and Run a Program
10
How to Alter a Program
11
Patterns
11
Flashing Circles
11
Manic Mosaic
12
How to Restart a Program
12
How to Correct Mistakes
12
Polyhedra
12
What Next
13
Starts and Stripes
13
Shimmering Sunrise
13
How to Begin a New Program
13
How to Use Ready-To-Run Software
14
How Programs Are Loaded into the Spectrum
14
Software Questions and Answers
14
How to Connects Your Casette Player
15
Making the Right Connections
15
Software Tips
15
EAR and MIC Sockets
15
How to Load a Program
16
Software Loading Tips
16
Software Loading Troubleshooter
18
Start Programming
19
The Keyboard - Your Computer's Control Panel
20
Keys and Keywords
20
Selecting Keywords and Signs
21
How to Operate the Keys
22
Keyword Mode
22
How to Select a Keyword, Symbol or Character
22
Letter and Capital Modes
23
Extended Mode
23
Graphics Mode
23
Editing on the Spectrum
23
The Television Calculator
24
The Spectrum's Calculating Signs
24
How to Make a Program Ask for a Number
25
Programming a Multiplication Table
25
Why You Need to Use Brackets
25
How to Punctuate with Your Spectrum
25
Colour and How to Use It
26
The Spectrum's Three Ways of Usig Colour
26
Colour Tester
26
Colour Codes
26
How to Write Programs with Colour
27
Programming Colour Bar Chart
27
Colour Combinations
27
Bar Chart
27
Simple DIY Graphics
28
The Low-Resolution Screen
28
How to Draw Rainbow Patterns
28
How to Select Graphics Characters
28
Programming Pictures
29
How to Use for Next Loops
29
Rainbow
29
ZX Robot
29
The On-Screen Sketchpad
30
The High-Resolution Grid
30
Plotting and Drawing
30
Star
30
How to Fill in Shapes
31
Your Screen Sketchpad
31
Making Decisions with if and then
31
Solid Triangle
31
Designing Patterns and Pictures
32
Random Effects and Subroutines
32
Squares
32
Symmetrical Patterns
32
Using for Next Loops in Graphics
33
Flash, Bright and Inverse
33
Pyramids
33
How to Create Computer Characters
34
Designing a Graphics Character
34
How to 'MIX' Colours with Speckled Squares
34
Spiders
34
Drawing a Chessboard
35
Simplifying Graphics with Read and Data
35
Using Colour Control Codes
35
Animation
36
Vertical and Horizontal Motion
36
Target Practice
36
Falling Spider
36
Bouncing a Ball
37
Using Attributes
37
Spiders and Pyramids
37
Exploding Spiders
37
How to Make Music and Sound Effects
38
Programming Sounds
38
Pitch Values for Making Music
38
Bubbling
38
Sound and Vision
39
Listoff
39
Keyboard Converter
39
How to Amplify Your Spectrum
39
How to Save Your Own Programs
40
Recording Your Own Programs
40
Verify Your Program
41
Automatic Program Start
41
Software Saving Tips
41
Saving Code, Screens and Data
41
Software Saving Troubleshooter
42
Learn about Your ZX Spectrum+
43
What's Inside?
44
Inside a Chip
44
How the Chips Link up
44
How Does Your ZX Spectrum+ Work?
46
Entering and Running a Program
46
Storing a Program
46
Binary Codes
46
Input-To-Output Pathways
47
How to Connect Peripherals
48
Spectrum-Compatible Printers
48
ZX Interface 1
48
Loading a Microdrive
48
ROM Cartridges and Joysticks
49
Memory Map
50
System Variables
50
Learn about Sinclair Basic
51
Programmer's Reference Guide to Sinclair Basic Keywords
52
Keyword Classes
52
Numbers and Variables
52
Keyword Format
52
Signs in Sinclair Basic
53
Character Set
53
Screen Reports
76
Beyond Basic
77
Machine Code
77
Instant Stripes
77
Computer Jargon
78
Index
80
Screen Display Grids
82

Sinclair ZX SPECTRUM+ Service Manual (59 pages)

Brand: Sinclair | Category: Desktop | Size: 3 MB

Table of Contents
2
1 Introduction

7
- Architecture
  8
- Z80A Cpu
  8
  - Data Bus
    8
  - Address Bus
    8
  - Control Bus
    8
  - CPU Clock
    9
  - Dynamic Memory Refresh
    9
- Memory Organisation
  9
- Read/Write Operations
  10
- Input/Output
  13
- TV Picture Generation
  13
- Keyboard Scanning
  14
- Tape Interface
  15
- Loudspeaker (BEEP) Operation
  15
- Power Supplies
  15
2 Disassembly/Assembly

16
- Disassembly
  16
- Assembly
  16
3 Setting up and System Test

17
- General Alignment
  17
  - Introduction
    17
  - Voltage Check
    17
  - Colour Adjustment
    18
  - Sub-Carrier Oscillator
    18
  - 14 Mhz Oscillator
    18
- System Test
  19
4 Fault Diagnosis and Repair - Getting Started

20
- Introduction
  20
  - Test Equipment
    20
  - Modification History
    21
- Modifications - Issue 1 Board
  22
- Modifications - Issue 2 Board
  23
- Modifications - Issue 3B Board
  23
- Extension Memory - (16K to 48K)
  23
  - Board Issue 1
    23
  - Board Issue 2
    23
  - Board Issue 3
    24
- Hitachi Vs NEC ROM
  24
5 Fault Diagnosis and Repair - PSU and Memory

25
- Fault Diagnosis Techniques
  25
- Power Supply Unit
  25
- Initialization
  26
  - Basic Checks
    26
- Memory Check
  27
  - Example
    28
- Keyboard Structure
  29
6 Fault Diagnosis and Repair - Input/Output

30
- TV Screen Dead, Smoke Appears on Switch-On / Not Initialising
  30
  - TR4 Base-Collector Shorted
    30
  - Short Persists with TR4 Removed
    30
  - TR4 Blows Again
    30
- No Video
  31
  - No Video after ULA Changed
    31
  - No +5V Input
    31
  - No VIDEO INPUT at IC14 Pin 12
    31
- Corrupt Paper, after ULA Change
  32
  - Initial Check
    32
  - No 3Mhz at IC2 Pin 6
    32
  - Distorted Video
    33
  - Pin Screen
    34
- Speaker
  35
7 Fault Diagnosis and Repair - Colour, Repair and Upgrades

36
- IC14 (LM1889) Pin Signals
  36
- 16K to 48K Upgrade
  36
- Repair
  37
  - Integrated Circuits/Link Settings
    37
  - Issue 2 Board
    37
  - Issue 3 Board
    38
  - Issue 3 Links Vs IC Manufacturer and Type
    39
  - Expansion Memory IC Locations
    40
8 Parts List

41
- Introduction
  41
- Notes to Parts List
  41
- General Capacitor Change
  42
- Case Assembly
  42
- Capacitors - All Axial Types Unless Otherwise Stated
  43
- Coil
  44
- Connectors
  44
- Crystals
  44
- Diodes
  44
- Integrated Circuits
  44
- Resistors - All 1/4W, 5% Unless Otherwise Stated
  45
- Transistors
  46
- Miscellaneous
  46
9 Supplement No. 1

47
- Introduction
  48
- DC-DC Converter Modification
  48
  - Circuit Operation
    49
- Issue 3B Board - (Already Covered in Existing Manual)
  49
- Issue 4 Board - None Issued
  49
- Issue 4A Board
  49
- Issue 4B Board
  49
- Issue 5 Board
  49
- Issue 6 Board - None Issued
  50
- Issue 6A Board
  50
- Fault Finding - Servicing Addenda
  50
- Warranty Seal
  50
- Parts Lists
  50
  - Notes
    50
- Capacitors - Unless Otherwise Stated All Are Axial Types
  51
- Coil
  52
- Connectors
  52
- Crystals
  52
- Resistors - 0.25W, 5% Tolerance Unless Otherwise Stated
  53
- Diodes
  54
- Integrated Circuits
  54
- Transistors
  55
- Miscellaneous
  55
10 Supplement no 2

56

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Sinclair ZX SPECTRUM+ User Manual (86 pages)

Table of Contents

Sinclair ZX SPECTRUM+ Service Manual (59 pages)

Table of Contents

1 Introduction

2 Disassembly/Assembly

3 Setting up and System Test

4 Fault Diagnosis and Repair - Getting Started

5 Fault Diagnosis and Repair - PSU and Memory

6 Fault Diagnosis and Repair - Input/Output

7 Fault Diagnosis and Repair - Colour, Repair and Upgrades

8 Parts List

9 Supplement No. 1

10 Supplement no 2

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