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Namco Super System 22 Time Crisis 1 - SUBCPU Start Wait NG

MagicianLord77

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Hi, I've got an untested Time Crisis 1 cabinet that is having a "SUBCPU START WAIT NG" error at boot up, is stuck there, also test switch / service button don't do anything:

subcpu.jpeg


Yes, I'll be replacing the mirror :)
PSU is providing good 5.2v at the board. I've inspected and reconnected the boards from the cage. Only repair I found was that the C402 customs of the DSP board were reflowed.
I couldn't find any info about this "subcpu", most mentions of it are related to Time Crisis 2 boards. Is it really located at the DSP board? because DSP START WAIT is "OK"

I found a person with the same issue from 2014 but no replies :( https://forum.arcadeotaku.com/viewtopic.php?p=408082

Anybody knows how to troubleshoot this, what does the error mean? thanks
 
It’s probably the gun board that’s located inside the chassis. Check if it’s seated properly or doesn’t have any broken traces due to leaking capacitors
 
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