Williams Electronics Firepower User Manual

This booklet provides game operation, bookkeeping, game adjustment, and diagnostic procedures
for FIREPOWER. For installation and special maintenance information refer to the blue-covered
game manual. For detailed information refer to Williams Solid State Flipper Maintenance Manual.
SPECIAL CONSIDERATIONS WHEN REPLACING CIRCUIT BOARDS
CPU Board
1. Revision level 6 CPU Boards (batteries located on lower right corner of board) or later
boards must be used.
2. Must he equipped with green-labeled FIREPOWER PROMs, green-labeled game ROM and
green-labeled flipper ROMs.
3. Jumper J4 must be connected and J3 removed.
Sound Board
1. Model D 8224 required for speech.
2. Must be jumpered for white-labeled sound ROM operation and be equipped with Sound
ROM 3. (Jumpers W2, W5, W7, W9, W10, and W15 connected; W3, W4, W6, W8, W11,
W12, and W13 removed)
Power Supply Board
1. Fuse F4 (10A SB) for flipper solenoids must be installed.
Optional Speech Module
1. Requires 5T4971 (IC7), 5T4972 (IC5), and ST4973 (IC6) speech ROMs.
GAME OPERATION
*Indicates adjustable features
Game Over Mode - Turn game ON; player scores show zero, high score to date* alternates with
player I score, player I up lamp flashes, game over lamp lights, all playfield lamps except for
credit lamp cycle in attract mode.
Credit Posting - Insert coin; knocker sounds, number of credits displayed. If maximum credits*
exceeded by coin or high score to date*, credits are posted correctly, coin lockout deenergized
until remaining credits are below maximum. No credits may be won and coins are rejected while
lockout is deenergized.
Game Start - Push credit button; start-up tune played, ball served, credit display reduced by one,
player I up lamp flashes until first scoring switch is made, ball in play shows 1. Pushing credit
button before ball 2 displayed allows additional players.
MULTI-BALL and LANE CHANGE are trademarks of Williams Electronics, Inc.
16P-497-103
Game No. 497
March, 1980
http://www.firepowerpinball.com

Williams Electronics Firepower Specifications

General

Brand	Williams Electronics
Model	Firepower
Category	Pinball Machine
Language	English

Summary

Special Considerations When Replacing Circuit Boards

CPU Board

Details requirements for CPU board replacement, including ROMs and jumpers.

Sound Board

Specifies requirements for sound board replacement, including ROMs and jumpers.

Power Supply Board

Notes the requirement for a specific fuse in the power supply board.

Optional Speech Module

Lists the required speech ROMs for the optional module.

Game Operation

Game Over Mode

Describes the game over state, including score display and lighting.

Credit Posting

Explains how credits are posted after coin insertion or high score.

Game Start

Details the process of starting a new game and adding players.

Bookkeeping and Evaluation Totals

Audit Totals Reset

Procedure to reset audit totals in game over mode using specific switches.

Game Adjustment Procedure

Adjusting Game Functions

Guide for adjusting game functions using ADVANCE and credit buttons.

Restoring Factory Settings

Instruction to restore factory settings and zero audit totals.

Diagnostic Procedures

Display Digits Test

Procedure to perform the display digits test.

Lamp Test

Procedure to perform the lamp test.

Solenoid Test

Procedure to test solenoids, including pulsing.

Switch Test

Procedure to test switches and view their status.

Auto-Cycle Mode Setup

Steps to set up auto-cycle mode for display, lamp, and solenoid tests.

Recommended Score Levels

Credit Game Score Levels

Recommended score levels for credit games (3-ball and 5-ball).

Extra Ball Score Levels

Recommended score levels for earning extra balls.