If reading through this manual does not lead to solving a specific maintenance problem, you can reach Atari's Customer Service Department by telephone Monday through Friday, from 7:30 a.m. to 4 p.m. Pacific Time. From California. Alaska and Hawaii, call (408) 984-1900; from the remaining 47 States call (800) 538-6892 toll-free.

If you are interested in gaining more information on video game technology, especially the electronics, wc recommend reading the Video Game Operator's Handbook, manual number TM-043. This book is available from Atari, Inc., Attn. Customer Service Department, 2175 Martin Avenue, Santa Clara, CA 95050 for S5 each, or from your distributor.

a. cleaning

The exteriors of game cabinets and plex panels may be cleaned with any non-abrasive household cleaner. Hdesired, special coin machine cleaners that leave no residue can be obtained from your distributor. Do not dry-wipe the plex panels because any dust can scratch the surface and result in fogging the plastic.


Components On Coin Door

Figure 3-1 shows the back side of the coin door assembly where the game's two coin mechanisms are mounted. Included is the lock-out coil assembly; the lock-out wires are connected to this assembly but are hidden behind the coin mechanisms. During the attract mode the microcomputer energizes the lockout coil, causing the lock-out wires to retract far enough to allow genuine coins to reach the coin box. But during the ready-to-play mode when the LED is lit. and during the play mode (and also when AC power to the game has been turned off),the lock-out coil is de-energized, causing the lock-out wires to move out far enough to divert coins over to the return chute.

Figure 3-1 Coin Door Assembly

Directly below each coin mechanism is a secondary coin chute and a coin switch with a trip wire extending out to the front edge of the chute. When the trip wire is positioned correctly, a coin passing down the secondary chute and into the coin box will momentarily push the trip wire down and cause the switch contacts to close.

Also shown in the photograph is a slam switch assembly. It has been included to discourage any players who might try to obtain free game plays by violently pounding on the coin door to momentarily close the contacts on a coin switch. The slam switch contacts connect to the microcomputer system, which will ignore coin switch signals whenever the slam switch contacts are closed.

Access to Coin Mechanisms

To remove jammed coins, and for maintenance cleaning, cach magnet gate assembly can be hinged open without removing it from the door, as shown in Figure 3-2. Or, if necessary, each coin mechanism can be entirely removed from the door merely by pushing down on a lelcase leverand simultaneously tifting the mechanism back, then lifting it up and out. This is shown in Figure 3-3.

Figure 3-2 Hinging Open the Magnet Gate Assembly

Figure 3-1 Coin Door Assembly

Figure 3 -3 Removal of Coin Mec han ism

the mainplate, arid the corresponding surfacc of the gate assembly. There may also be metal particles clinging to the magnet itself. To remove these you can guide the point of a screwdriver or similar tool along the edge of the magnet.

If coins are not traveling as far as the coin mechanisms, you will need toclean the channel beneath the coin slot. To gain access to this channel, use a H-inch wrench and remove all three nuts that secure the cover plate (refer to Figure 3-5). Removing the plate will provide access to the entire channcl.

Also clean the inside surfaces of the secondary coin chutes, but when doing this be careful not to damage or bend the trip wires on the coin switches.

Sky Raider Arcade Machine

Figure 3-5 Removal of Plate Covering Rear of Coin Slot

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