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GBA Service Manual
1. Introduction
Purpose
This document provides information and procedures for testing, disassembling, repairing
and assembling the Game Boy Advance.
Application
These procedures apply to Game Boy Advance devices produced in Brazil, but also serve
products produced in North America.
Introduction..............................................................................................................................1
Theory of Operation ................................................................................................................2
Hardware Overview ................................................................................................................4
Block Diagram ........................................................................................................................5
Exploded Views ......................................................................................................................6
General Precautions ...............................................................................................................9
Disassembly and Maintenance ...............................................................................................9
Test Procedures ...................................................................................................................16
Electrical Schematics.............................................................................................................17
Accessories...........................................................................................................................20
Appendices ...........................................................................................................................22
Page 1
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Table of Contents
Related Manuals for Nintendo GBA
Summary of Contents for Nintendo GBA
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Page 1: Table Of Contents
GBA Service Manual 1. Introduction Purpose This document provides information and procedures for testing, disassembling, repairing and assembling the Game Boy Advance. Application These procedures apply to Game Boy Advance devices produced in Brazil, but also serve products produced in North America. -
Page 2: Theory Of Operation
The display section consists of a 2.9 inch (240x160 pixels) reflective LCD display, segments that are mounted internally to the LCD and a regulating IC. Each pixel in the GBA can show 1 of the 32 levels of red, green or blue, making a total of 32,768 colors. The number total colors that can be shown, depends on the number of objects and the screen background. - Page 3 2.7 Cartridge Interface For the cartridge interface, a 32-pin connector is used. A key has been incorporated into this connector to determine how the system should be started (GBA or GBC). 2.8 Controls Input The CPU processes the parallel data, directly from the controls. Each control is connected to the ground through an open contact on the PCI.
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Page 4: Hardware Overview
Audio amplifier IC (U6) to reinforce the outputs. 3.5 Controls Parallel inputs connected directly to the CPU L and R buttons (first used on the Nintendo handheld system) 3.6 External Communications 6-pin I / O port that can communicate in 5 different modes: A. -
Page 5: Block Diagram
GBA Service Manual 4.0 Block Diagram Figure 1 Page 5... -
Page 6: Exploded Views
GBA Service Manual 5.0 Exploded View Reference point Figure 2 Page 6... - Page 7 GBA Service Manual 5.1 Mounting the Front Panel Figure 3 Page 7...
- Page 8 GBA Service Manual 5.3 Front part Reference point Figure 4 Page 8...
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Page 9: General Precautions
GBA Service Manual 6.0 General Precautions All of the following precautions must be followed when maintaining the Game Boy Advance. 6.1 ESD control Use a good electrostatic discharge (ESD) prevention and control system during Maintaining the LCD Unit and Main PCI 6.2 Non-Reusable Parts... - Page 10 GBA Service Manual 1. Insert a thin, flat tool (e.g., stylus) between the upper left corners of the screen protector and the front case, carefully making a lever. Caution: Carefully leverage to prevent damage to the front case and the LCD.
- Page 11 GBA Service Manual 6. Remove the three Phillips screws that secure the PCI. Figure 7 7. Lift and remove the PCI. Note: If the rear case needs to be replaced, remember to keep the metal shield and install it in the new rear case.
- Page 12 GBA Service Manual 2. Push the screen protector from the inside of the front case to eject it. Apply pressure simultaneously on the four corners of the protector, or until one of the corners of the screen protector get up and it is possible to hold and pull the protector until it is completely removed.
- Page 13 GBA Service Manual Figure 10 7. Remove dust and other foreign material using an air jet before applying the protector of the screen. Check the alignment of the LCD unit before applying the screen protector. 8. Check that no part of the front screen trim appears on the visible part of the screen.
- Page 14 GBA Service Manual 2. Visually check that the blankets are correctly fitted. 3. Visually inspect the Led guide to ensure it is still in good condition and it has no mark. 4. Install the spring (metal section) of the L / R buttons between the front case and the PCI, after the PCI Main have been installed in the front cabinet.
- Page 15 GBA Service Manual Figure 13 6. Insert the Flat Cable into the connector and lock it by sliding its latches down. 7. If the LCD has been replaced, perform the flicker test as per section 8.3 Flicker adjustment and adjustment if required.
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Page 16: Test Procedures
4. Confirm that the power led lights up. 5. The “Self-test” should be performed automatically. Note: If the program does not automatically start in Self-test mode, turn off the GBA and restart the device, while simultaneously pressing the L and R buttons for the test program menu appear on the GBA screen. - Page 17 Figure 15 8.4 GBC Mode Test Cartridge 1. Use two AA batteries or the GBA AC Adapter and Power Connector. 2. Insert the GBC mode test cartridge. 3. Power on the GBA. 4. Confirm that the power led lights up.
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Page 18: Electrical Schematics
GBA Service Manual 9.0 Electrical Schematics 9.1 CPU Page 18... - Page 19 GBA Service Manual 9.2 Power Page 19...
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Page 20: Accessories
After this time, plug the AC adapter into the power outlet and turn on the GBA. If it does not turn on and is a unit known to be in good working order, then the AC Adapter is defective and needs to be replaced. - Page 21 GBA Service Manual Note: The Cartridge Manual, as well as its packaging, provides information on how to proceed to use multiplayer mode. Multiple Game Link Cables can be connected together to allow a maximum of four players playing simultaneously (See diagram below).
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