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Caps in PSU can leak like this. So you should check!(Maybe only caps in low voltage part are leaky.)

Remaining solder on pads show me temp of solder tweezers was too low.If temp is enough,surface of remaining solder would be more clean and smooth. Pins of C11 and C2 are hard to through.I set solder sucker 450C.Heat from other side with solder iron,and suck from the other side. I visited your...

XBHS1997, I haven't mentioned about other part of this SE/30.It was listed as no-powerup,but logic board and power supply unit is OK.very happy about it!.

ArmorAlley, there is no problem.it will be bit hard to take Japanese name in.I remember Sofmap song too.for those who dosen't know Sofmap,Sofmap is retailer sells new/secondhand hardware/software.The movie ArmorAlley attached may be sexy game shop of Sofmap. This song is played in every...

ArmorAlley,I know Artmix and he is offering his product at very expensive price.I think it is because he is targeting very slim market in Japan.But $600 for Adapter and 040....

Thank you olePigeon and Macdrone.I was extremely lucky.

Aligatou (Thank you) ArmorAlley.I don't know Xceed once costed $2000.but I knew items around SE/30 cost more in US than in Japan. In Japan,price of SE/30 is getting higher,but still cheeper than eBay.and accelerators or video cards are still left cheeper than eBay...I feel hot collectors are...

HI all! I'v been watching SE/30 on Japanese Yahoo! auction and I had bought some.I want to share my latest finding.I found 4 SE/30's listed by same shop.2 of them,the shop said they show ? icon,other 2,the shop said can't power up.but on the pictures they got video board.Japanese bidder prefers...

Thank you techknignt. I'll check about intermittent connection,maybe start from around UH7.I'll report when I find something.

Hi all!. I'm still cheking this board when I can get time.and there are something I found and wonder. I thing all F258s are good.when I was checking them with logic scope,once in about 10 reset,this board wipes Simasimac and shows gray background and chime death chime. And I compared signals...

Thank you techknight. Oh gosh! If you did not figure one out,It will be extremely hard for me.I have some idea now.after trying them,I'll take time now and seek other idea. I'm very sorry I miss spelled your name on my last reply.

Thank you uniserver.I washed this board after removing old caps.but I'll check about goo again.

Thank you technight.After yor suggestion,I'v been watching signals around 74F258s with logic scope and found some strange things. 1)Befor last my post,I'd been cheking with 4M RAM SIMMS which always gave me Slow Sadmac.After that I started cheking with 256K RAM SIMMS,and which gives normal...

Hi! All! I checked connections around RAM SIMM<-> 74258 <-> BUS, they seemed to be good. I also looked into signals around RAM SIMM and found that DRAM refreshing address signals were strange compare to working board.Is GLUE Chip dead? or is there other possible culprit? Thank you.

Thank you tachnight and uniserver.I'm so glad getting reply from 2 tops of this forum. I didn't know it is known as Slow Dead Chime and didn't know SE/30 can ring Dead Chime with bad conection to Ram Sim because my SE/30 logic boards didn't chime anything without Ram Sims.I'll check around...

Thank you Macdrone. I washed the board.I put known working rams and rom,and checked sim sockets(rom and ram). This is not my first recapping.I recapped about 10 boards.I got many of them working by only washing and recapping.but some of them needed rewire.I succeeded to rewire some of them...

Hi everybody.I've been visiting 68k LMA but this is my first topic. I got a SE/30 and recapped it.And when I turned it on,I got both Death Chime and Simasimac.It seems CPU,System Bus,Rom and Ram are OK,but something is wrong around IF. Can you give me any idea where or what I would check...