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Haven't touched my boards, I'm up for trying it if someone has a partially trashed board. I have mostly reworked smaller BGAs

Traces around IC3/C5, is that dirt or is it corrosion? You can replace all the caps on there with digikey # UWX1C101MCL1GB

Ouch! Was it an ebay pickup? If there isn't bga substrate damage/delamination it can be fixed. We talked at VCF, I got the hikaru (and model3s) going the past few days.

Thermal imagery Running with no rom board - idling at ERROR 3 Running with 3d The video dacs are the hottest two small QFP's Running, looking at the SH4 cpus. One is working much harder than the other, typical After poweroff we can see some residual heat with romboard removed.

It all works but falls over after a minute or two.

Burned a 27C160 eeprom with the EPR-23400 bios, since the board did not have one. (Big red flag if someone pulls the bios from a board!) After ordering a JVS power harness from Mitsurugi-w and building my own JVS I/O board power harness, I got the board to power up. No cooling/original box...

Got a scrapped Daytona USA2 stack running. It was very cranky until I booted the CPU board alone in a different, working stack, and told me the RTC battery was flat. Replaced the CR2032 and does power up and run. Sometimes it will not boot, sometimes at hangs at the startup text. I am going to...

Well shoot. That sucks. My pcb arrived well packed but was missing the filter board, and it was pretty bowed near the center. I have no idea why the chips stayed on. I'm burning a new 27C160 eeprom for the bios and we'll see if we get a system menu. I've done BGA rework before (extraction...

I saw that auction, missed it but grabbed the other Hikaru the seller had. No chips broke off the board, but it is missing the main BIOS eeprom. Maybe you could look at your board and see what kind of eeprom it is? It's labeled EPR-23400 on the base pcb. All the items that seller had were...