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Have a good look on the backside of the board at the solder joints for the ROM sockets. If you have no video or chime, my bet is that it's poor contact on the ROMs.

Try replacing the horizonal output transistor! https://www.digikey.com/en/products/detail/onsemi/BU406G/918378

Flux? As in flux capacitor? Oh wait, that's a DeLorean not a Corvette!

Thank you! I actually used two floor jacks, alternating raising the front and rear of the car. The cribbing blocks come apart and I’d add layers as needed. Just enough to lower the transmission and slide it out.

It's getting to be that time of year when my 1982 Corvette sees more street time! Two-tone blue with a dark blue interior. I bought it in college and don't think I'll ever want to sell it. I've built a new transmission and rear end for it (installed using my DIY car "lift"). Would eventually...

I tried a preliminary test with my hardware last night. MacBench 2 shows it slower than a IIfx for me as well - scored almost the same as Colin from what I can tell. System 7.1, internal BlueSCSI v1.1, 20MB RAM (16MB in bank B), no video card. Something seemed buggy though, because the system...

For what it's worth, there seem to be a couple US versions of this board. The one I see most commonly has a 470uF 50V cap in place of the 1000uF 35V one you have at CP2. I am guessing your board is an early revision. I am not sure if the value matters and either cap may be used in that position...

What version of Speedometer are you using? I've got this same card, and could run some benchmarks on my end to compare.

Nice score! On another note, I don't think I've ever seen a Samsung CRT without burn-in. Clinton must have figured something out that Samsung couldn't - either that or the Samsung tubes were just used without screen savers.

Makes me wonder if there's a safe way to remove the lettering. I have a 512k with a really cracked up front bezel - would be a great replacement for that!

So, I've had this Plus for a while and haven't been sure what to make of it. I've never seen any badging done this way. It has the "square" form factor Apple logo, but with a silkscreen. The silkscreening seems to have been done professionally based on what I can see. I thought the "Plus"...

I'm so impressed with this software! Really takes a majority of the guesswork out of programming for a newbie. For those of us with SE/30 reloaded boards, are there any plans to implement a "bitswap" option to generate .bin files for that use case? Either way, great work to all involved.

Yup, horrible isn't it! I've done two or three of these. To make it easier, I removed the larger ROM chip and used smaller footprint caps in that area to make soldering them a little easier. The angles are a bit tricky but it's do-able.

Those symptoms are typically a dead giveaway of the PCB inside the drive needing to be recapped. Bruce has a guide here that should be exactly the model you have: https://recapamac.com.au/sony-cdrom/

I'm glad I'm not the only one recently affected by the sad attempt at packaging. Here's a little taste of what I was greeted with when I opened a couple boxes... I tried calling their main number, but didn't get an answer. If they tell me to pound sand, I'll be really frustrated. I wouldn't...

I have a couple portable boards that don't boot, but I haven't done any deep exploration into whether the hybrid is to blame... I better let someone with a known bad hybrid take a shot at these wonderful recreations!

A completely healthy system shouldn't need to sit with power for very long in order to boot. To me this indicates some other power issue, probably with the analog board. Has that been recapped? If your bodge wire is making contact and you've tested with a multimeter, I wouldn't think the logic...

Looks like a nice color match. I'm curious to see how it holds up over time. How did you prep the surface of the mouse? Any sanding or just a good cleaning?

Nice - looking good. I too am a sucker for the black Mac models. I remember when I was much younger, I saw a picture of the Mac TV and decided to paint the case of my LCIII black. Needless to say it didn't look nearly as nice as a factory black Mac. Although I didn't come across a Mac TV of my...

With the exception of the 580CD, the analog board and CRT should be swappable. The auto inject floppy and caddy CD ROM are nothing special either, just watch out for capacitor leakage on the CD ROM logic board. Every one I've seen has some pretty bad cap leakage. Not horrible to fix, just...