Stern ROM Interchangeability Interchangeability MPU PCB PCB MPU location Location Rom Identification Number ... Q) .0 U2 U2 U6 U6 GAME GAME P1 P1 P2 P2 Pinball/Stingray Pinball/Sting ray P3 P3 P4 P4 Stars Stars PS P5 P6 P6 Memory Lane lane Memory P7 P7 PS P8 lectronamo/Nugent Lectronamo/Nugent pg P9 P10 P10 Wild Fyre/Dracula Fyre/Dracula Wild P11 P11 P12 P12 Trident Trident P13 P13 P12 P12 Hot Hand Hand Hot E ~ z c - .2 as (.) - == c Q) "'D E 0 a: All Stern Stern MPU MPU boards boards are are interchangeable interchangeable from game All from game to game. game . Only Only the the program program chips chips in in locations locations U2 U2 and and U6 U6 to are different different.. are The table table identifies identifies the the ROM ROM combination combination required required for for The each game. game . (Note (Note that that some some games games share share the the same same pair.) pair.) each Atari "Superman" "Superman" Atari memory memor y characteristics characteristics This game game includes includes aa battery-powbattery-powThis computer memory memory (battery(batteryered computer ered RAM) that that remembers remembers the the backed RAM) backed game's accounting information , opegame's accounting information, opeand rator selectable selectable Replay Replay Levels, Levels , and rator the High High Score Score to to Date. Date . Even Even when when the the AC AC power power to the game game is is the to the removed , this information is removed, this information is retained retained in this this memory. memory. in The game's game's microcomputer microcomputer conconThe tinually checks tinually checks the the Replay Replay Levels Levels and and High Score Score to to Date. Date . If, If, by by some High some error error one of of these these of the the microcomputer, microcomputer, one of scores is is "blitzed," "blitzed ," the the microcompumicrocompuscores will reset reset the the erroneous erroneous score ter will ter score to to zero. Therefore the Replay Replay Level Level (or (or zero. Therefore,, the Score to to Date) Date) in in error error is is totally totally High Score High eliminated . This feature protects protects the the eliminated. This feature operator from from players players getting operator getting unwarunwargames due due to to failure failure of of ranted free free games ranted the microcomputer. microcomputer . the of the the Self-Test Test number number 15 Test 15 of Self-Test Procedure is is named named Battery Battery Backup Backup Procedure In this this test, test , aa totally totally random random Error. In Error. number is displayed in in the Player 11 number is displayed the Player Score Display. Display . This number does does not not Score This number represent the the number number of of failures failures that that represent It merely merely represents represents a a have occurred have occurred.. It number which which should should remain remain conconnumber stant on stant on your your particular particular game game.. In In other words, words , your have other your game game could could have number from from 11 to to 999,999 999 ,999 any number any displayed during displayed during this this test. test. That That same same number should always be be displayed number should always displayed each time time you you run run this this test. test. If If you you each number has has changed changed discover this this number discover from the the last last time time you you ran ran this this test, test , it it from means aa battery-backed battery-backed RAM RAM failure failure means been experienced. experienced . Therefore, Therefore , has been has you should should check check the the Replay Replay Levels Levels you and the the High High Score Score to to Date Date to to see see and one failed failed and and thus thus had had been been which one which set to to zero. zero . set Power Supply Supply + + 55 and and + + 60V 60V Adjustment Adjustment Gottlieb Power Gottlieb Power Supplies on their their Countdown Countdown pin Gottlieb Power Gottlieb Supplies on pin game game are are factory factory adjusted adjusted and and sealed sealed.. Should Should itit become become necessary to to readjust readjust the the voltages, voltages , (+ ( + 5vdc, Svdc , + + 60vdc), 60vdc) , the the pots pots may may have have to to be be replaced. replaced . These power supplies supplies are are necessary These power red sealant paint on the potentiometers. potentiometers. Breaking Breaking the the seal seal to to adjust adjust the the voltage, voltage, causes causes the the pot pot to to be be identified by identified by red sealant paint on the intermittent . intermittent. is the the + + 5vdc Svdc adjustment adjustment due due to to the the crowbar crowbar circuit circuit which which trips trips at at 5.6vdc. 5 .6vdc . Especially critical critical is Especially Driver Transistors Transistors Atari "Superman" Atari "Superman" Driver Unlike previous previous Atari Atari solenoid solenoid driver drivertransistors, transistors , the the new new electronics electronics system system used used in in Superman Superman utilizes utilizes PNP PNP type type Unlike Darlington transistors. transistors . Darlington Some service service shops shops have have replaced replaced the the NPN NPN type type Darlington Darlington driver driver used used in in just just about about every every electronic electronic pin, pin , Some SE9302 , 2N6045 2N6045 or or TIP TIP 120. 120 . regardless of of manufacturer, manufacturer, with with aa universal universal driver driver such such as as SE9302, regardless Obviously , this this device device will will not not function function in in the the new new Atari Atari system, system , so so the the direct direct replacement replacement must must be be stocked stocked (SJE (SJE Obviously, 783) . 783). Bally PS/SD PS/ SD Tester Tester to to Accommodate Accommodate Sound Sound Modules Modules Modifying Bally Modifying Bally now now offers offers aa modification modification kit kit to to owners owners of of the the Power Power Supply/Solenoid Supply/ Solenoid Driver Driver Test Test Set Set which which enables enables the the Bally sound modules. modules . tester to to also also check check Bally Bally sound tester Contact your Contact your distributor distributor for for availability availability.. F0-607 modification modification of of PS/SD PS/ SD Test Test Set Set FO-607 F0-613 sound sound module module test test procedure procedure FO-613 This page page courtesy courtesy of of Star Star Tech Tech Journal, Journal , Mechantiville, Mechantiville , NJ NJ 08109 08109 This i I