Atari 130XE Manual de usuario

TABLE OF CONTENTS

Section Title Page

INTRODUCTION IV

1 THEORY OF OPERATION 1-1

User Interface 1-2

Mechanical Description 1-3

Digital Hardware 1-5

6502 (Modified) CPU Microprocessor 1-5

Alphanumeric Television Interface Controller 1-6

(Antic Display Processor)

Graphics Television Interface Adaptor (GTIA) 1-7

POT Keyboard Integrated Circuit (POKEY) 1-8

Peripheral Interface Adaptor (PIA) 1-9

Memory (ROM and RAM) 1-11

Memory Management Unit (MMU) 1-11

RF Modulator 1-11

Power Supply 1-11

System Interface 1-11

Serial Input/Output (SIO Interface) 1-12

Keyboard Interface 1-13

Controller Jack Interface 1-14

Cartridge Interface 1-15

Monitor Interface 1-16

2 SCHEMATICS AND PICTURES 2-1

3 TESTING 3-1

Overview 3-1

Equipment Needed 3-1

Self Test 3-1

MEMORY TEST Screen 3-2

AUDIO VISUAL TEST Screen 3-2

KEYBOARD TEST Screen 3-3

ALL TESTS 3-3

Using the ATARI REV. 3.2 Production Test Cartridge 3-3

COLOR BAR TEST 3-6

ANY VIDEO TEST 3-7

GRAY BAR TEST 3-g

DISPLAY OPTIONS 3-9

RAM TEST 3-9

130XE Personal Computer

Field Service Manual I

TABLE OF CONTENTS (Cont.)

Section Title Page

4 SYMPTOM CHECKLIST 4-1

Adjustments & Replacements 4-2

Console Disassembly 4-2

Console Assembly 4-2

Keyboard Removal/Replacement 4-3

Color Adjustment 4-3

5 SERVICE BULLETINS 5-1

TABLE OF ILLUSTRATIONS

Figure Title Page

1-1 130XE Right Side Panel 1-1

1-2 130XE Back View 1-1

1-3 130XE Top View 1-2

1-4 130XE Functional Block Diagram 1-4

1-5 6502C CPU Pin Assignments 1-6

1-6 ANTIC Display Processor Pin Assignments 1-6

1-7 GTIA Pin Assignments 1-7

1-8 POKEY Pin Assignments 1-7

1-9 PIA Pin Assignments 1-8

1-10 Freddie Pin Assignments 1-8

1-11 External Power Supply Schematic 1-10

1-12 SIO Interface Pin Assignments 1-11

1-13 Controller Jack Interface Pin Assignments 1-11

1-14 Cartridge Slot Pin Assignments 1-12

1-15 Expansion Slot Pin Assignments 1-13

1-16 Monitor Jack Pin Assignments 1-13

2-1 Atari 130XE 16 X 4164 Assembly CO70065/CO70067 2-2

2-2 CO7065/CO70067 PCB 2-3

2-3 Atari 130XE SECAM CO70052 Rev. 2 PCB 2-4

2-4 Atari 130XE SECAM 2-5

2-5 Atari 130XE 4 X 4464 Assembly CA200519 2-6

130XE Personal Computer

Field Service Manual II

2-4 CA200519 PCB 2-7

2-5 Atari 65XE 8 X 4164 Assembly CO70025 2-8

2-6 CO70025 PCB 2-9

2-7 Atari 65XE 8 X 4164 Assembly CA20097 2-10

2-8 CA20097 PCB 2-11

2-9 Atari 65XE/800XE 2 X 4464 Assemblies CA200519 2-12

2-10 65XE/800XE CA200519 PCB 2-13

2-11 XE-System Assembly C100417 2-14

2-12 C100417 PCB 2-15

2-13 XE Keyboard Matrix 2-16

2-14 PCB and Shield Assemblies 2-17

3-1 SELF TEST Menu 3-1

3-2 MEMORY Test display 3-2

3-3 AUDIO-VISUAL Test display 3-2

3-4 KEYBOARD Test display 3-3

3-5 Select Screen 3-4

3-6 Main Menu display 3-4

3-7 AUDIO Test display 3-5

3-8 VIDEO Test display 3-6

3-9 PORT Test display 3-7

3-10 KEYBOARD Test display 3-8

3-11 ROM Test display 3-8

3-12 RAM Test 65XE OK. 3-9

3-13 RAM Test Fail 3-9

3-14 Cartridge & Expansion Slot Test Fixture 3-10

130XE Personal Computer

Field Service Manual III

INTRODUCTION

The Atari 130XE Personal Computer Field Service Manual is a reference guide for the service

technician. Since the XE series has more models, so on the basis of the 130XE model will

also be discussed different versions 65XE computers, as well as console XE-SYSTEM .

This Field Service Manual is organized in six sections:

•THEORY OF OPERATION – Overview of how the 130XE works and what its basic

assemblies look like.

•SCHEMATICS AND SILKSCREENS – Electrical drawings and layouts of the XE

series printed circuit board.

•TESTING – Review of Diagnostic Tests available for diagnosing 130XE problems.

•SYMPTOM CHECKLIST – Failure information to assist the experienced technician

arrive at a rapid diagnosis of XE series computers problems.

•PARTS LIST – Detailed breakdown of parts used in the XE computers.

•SERVICE BULLETINS – Section to be used to hold Field Change Orders, Upgrade

Bulletins and Tech Tips.

130XE Personal Computer

Field Service Manual IV

SECTION 1

THEORY OF OPERATION

The Atari 130XETM is an enhanced version of the existing Atari computer systems. It can be

used with any existing Atari peripheral devices which are compatible with the 400TM/800TM

or XL series computer, although not all are necessary.

The console contains 128K of RAM and has an operating system which contains one 16k X 8

ROM. The console also contains the keyboard with a HELP key, four programmable function

keys START, SELECT, OPTION, RESET, a single Cartridge slot, an Expansion connector,

jacks for adding peripherals and hand controllers, a detachable (RF) TV interface cable and

one power LED.

Use Figures 1-1, 1-2and 1-3 as reference for the following discussion.

Figure 1-1. 130XE Right Side Panel

Figure 1-2. 130XE Back View.

130XE Personal Computer

Field Service Manual 1-1

Figure 1-3. 130XE Top View

User Interface

The Atari XE series are a general purpose microcomputers which uses a 6502C

microprocessor. The 130XE console is the central processing unit for its respective system.

The right side panel (refer to Figure 1-1) contains two controller jacks. The controller jacks

accept the X-Y joystick and the paddle controllers available from Atari.

The rear panel (refer to Figure 2-1) contains the Serial Input/Output (SIO) jack, Cartridge slot,

the Expansion connector, the channel 2-3 switch, the RF cable jack, the Monitor jack, and the

Power Jack.

The console has a full stroke 62 key alphanumeric keyboard, which includes special

characters and controls, a space bar, and 5 function keys.

130XE Personal Computer

Field Service Manual 1-2

The 5 function keys above the keyboard are made of the same color material as cover. A

translucent plexiglass strip on left-bottom corner of top cover indicate the operation (Power

On) and covers the red LED.

From left to right the function keys are:

HELP – Gives you instruction in some programs when you need help.

START - Press to run loaded program. Frequently used to load program from cassette. Fully

programmable key

SELECT – Often used to select one of several applications within a program. Fully

programmable key.

OPTION – Allows the player to choose among the variations of a program. When this key is

pressed during Power On – internal Basic is disconnected and – if you do not

have active floppy drive – SELF TEST is running (see page 3-2). Fully programmable

key.

RESET – Interrupts and restarts the operating system or cartridge.

Mechanical Description

The 130XE computer console contains a single motherboard which houses all the chips of the

system and provides connectors for interfacing external modules to the console. It includes

the CPU, ANTIC, GTIA, POKEY, PIA, FREDDIE, RAM, ROM Operating System, and

includes all functions. The motherboard uses a common address bus, data bus and clock lines.

The sixteen-line address bus allows the microprocessor to directly address 64K of memory

locations. The eight-line data bus provides the communication and data path between the

functional modules. The various power requirements are routed from the power supply

throughout the console.

The keyboard is connected to the PC Board by a 24-conductor foil cable.

Figure 1-4 is a block diagram of the functional flow of the 130XE.

130XE Personal Computer

Field Service Manual 1-3

Modulator

SIO

Keyboard

Expansion

Connector

Cartridge

Slot

MMU2

CO25953

RAM

MAIN 64k

RAM

BANK 64k

I/O

Joysticks

Paddles

A/V

Connector

FREDDIE

PIA

MMU1

CO61618

O.S.

ROM

BASIC

ROM

CPU

6502C

ANTIC

GTIA

POKEY

14MHz

Address Bus

Data Bus

Control Bus

RAM Addresses

SIO Signals

Function Keys

Other signals

Figure 1-4. 130XE Functional Block Diagram.

130XE Personal Computer

Field Service Manual 1-4

Digital Hardware

The digital hardware consists of:

•The 6502C CPU microprocessor

•The Alphanumeric Television Interface Controller (the ANTIC Display Processor)

•The Graphics Television Interface Adaptor (GTIA)

•The POT Keyboard Integrated Circuit (POKEY)

•The Peripheral Interface Adaptor (PIA)

•The Memory (ROM and RAM)

•Memory Management Units (MMU1 and MMU2)

•Clock and Memory Controller FREDDIE

6502C CPU Microprocessor

The 6502C (modified 6502) CPU microprocessor contains register flags, interconnections,

arithmetic logic, control logic, and all recognized operation codes. The characteristics of the

microprocessor are:

•Byte-oriented structure

•151 opcodes

•Decimal and binary arithmetic modes Seven addressing modes

•True indexing Stack pointer

•Two interrupt levels 64K address range

•Integral clock circuit

•Single +5 volt DC power Requirement

Figure 1-4 is an illustration of the 6502C CPU Pin Assignments.

130XE Personal Computer

Field Service Manual 1-5

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