Anyone have an Atari Part Number Cross Reference ?

Mongo

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I just got stumped again while working on my Star Wars. 1E on the sound board appears to be bad and there are no numbers on my chip. The manual shows it as part number 90-6018 .

Anyone have a cross reference for Atari Parts?
 
Is this on the main board or the AVG board? Im not seeing that number in the manual anywhere.
1E on the main board is an NV ram and on the AVG board its a 74LS02.
Im not familiar with the star wars board set. Im assuming that the AVG means "audio video generator". Is the chip in question a skinny 14 pin chip?
 
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update: The chip in question on a Star Wars Sound PCB at position 1E is a 6532 RIOT chip. I picked one up (thanks Tombo) and installed it last night. I have sound! Still some troubleshooting to be done as I don't quite have all of the sound, but the game is playable.

I'll probably start a new thread when I have time to troubleshoot the rest of the sound issues...

Thanks to all that helped with this!
 
Is this on the main board or the AVG board? Im not seeing that number in the manual anywhere.
1E on the main board is an NV ram and on the AVG board its a 74LS02.
Im not familiar with the star wars board set. Im assuming that the AVG means "audio video generator". Is the chip in question a skinny 14 pin chip?

Analog vector generator
 
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