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Found 20 results

  1. curtiscoffee

    Macintosh SE Not Working

    Hi, This is my first post on these forums. I felt this would be the best place to come to ask how to get my Macintosh SE working again. So I managed to get my hands on this Macintosh SE. It came with the original manuals, mouse, keyboard, and even a carry bag! I paid around $5 New Zealand dollars for it. Yes I can't believe it either. So when I got it home, I plugged it in and it turned on, and it worked! I think that the disk drive is dead, because it just had the disk logo with a question mark and ejected the yellow protector disk. I left it on for a few hours. I then noticed a burning smell and smoke came out of the back of it. I opened it and being very careful i turned it on and i noticed that the flyback transformer was arcing and the monitor wasn't turning on, But I did get the start up sound and the fan was running. At first I thought a cap had popped on the analog board, but after inspecting it they all look perfectly fine. Also checking the main board it looks perfectly fine and the battery hasn't leaked. Has anyone else had this problem before? Any help would be greatly appreciated.
  2. Hey everyone! I ordered some floppy disks a few days back and they arrived today. All the Floppy Disks are 1.44MB High Density Disks, and they are all unformatted. However, I am having an issue with them. When I insert them into the Macintosh SE/30, I get the menu to initialise them, and then it goes through the "Initialisation" process. It says "Formatting Disk", then "Verifying Disk" and then it ejects the disk and it says "Initialisation Failed". Nothing else. I'm very new to this, so I don't really know what could be causing this. The disks are unlocked and are not protected. How can I fix this? Thanks
  3. Hello, My Macintosh SE/30 motherboard has been having issues since I received the computer in mid July. First of all, it used to turn on and do the simasimac, and death chimes but then I sent it out to MacCaps, and he tried to repair to no avail. It did the same thing when I got it back, so I tried washing the board in 5% White vinegar, but that didn't do anything. Any suggestions? Thanks! -Ryan
  4. So now that I've gotten my hands on a Macintosh SE/30 to fix up, I went and checked the seller's conclusion on what was wrong it. According to him, the CRT wouldn't come on, and he suspected the analog board. To put that theory to the test, I swapped boards between my working SE, and the SE/30. The SE in the SE/30 chassis booted, and was happily driving the CRT. Thus, the issue was not with the SE/30 analog board or CRT. And to be expected, the SE/30 totally failed to boot in the SE chassis. The seller thought the SE/30 didn't chime because the speaker cable wasn't plugged in, but his memory failed him because it was firmly plugged in. So, now that the SE/30 board is definitely the culprit, I decided to give the board a good look over. And would you believe it, there was a broken trace (open the image for the full resolution): The jumper might obscure it a bit, but it connects from a pin from the UI6 to a pad that continues to a trace that is completely dug out just below the UG7 chip. On the underneath of the board, the pad doesn't have any connections to any other part of the board. What I can't figure out however is what the jumper cable is supposed to do. The schematic I was looking at made it seem that that pin on UI6, which is the PAL HSync chip from what I can find, isn't used for anything and not connected to anything. So why is it jumpered, and how does it influence the way to system works? I can't quite find out where the trace goes to, it goes underneath the GLUE chip and from there on out it's anyone's guess if it connects to the GLUE or goes elsewhere. Now, I knew the caps were highely likely bad, and some pins of chips near the electrolytic capacitors looked a little dull, so I gave it a bath of warm soapy water followed up by some 96% cleaning alcohol, then I left it to dry. After drying, it managed to display a bunch of dots across the upper section of the screen for a while, which started to disappear one by one, to now just showing a very, very faint grey image with lines going across it horizontally. So the question is, is this the result of bad capacitors, or that bad trace? And if it is the trace, where does it go?
  5. MacSE

    SCSI2SD OS Install

    I recently picked up a Macintosh SE/30 at a local estate sale for free. (It was the last day of the sale and nobody wanted it.) I have a SCSI2SD ready to install in the computer, but I want to know if I can just copy the files off my System 6.0.8 boot disk onto the SD card, or do I have to buy an installation disk? Thanks in advance.
  6. Themk

    Macintosh SE/30

    I got a Macintosh SE/30, that I paid $120 for. Its in working condition with a 2GB HDD, 68MB of RAM, System 7.0.1 Disks, as well as ADB keyboard, and this surprised me, an ADB optical mouse. It has a socketed CPU. For good measure, he put in a TORX driver for the screws behind the handle. Overall I'm fairly happy with this. Ill add some pictures later.
  7. Denus

    Macintosh SE/30 Recap

    From the album: My vintage Macintosh systems

    Quite some corrosion underneath the capacitors.

    © @Denus

  8. From the album: My vintage Macintosh systems

    The harddisk was not recognised by the system, so I took it apart and used contact spray on every connector, even the terminals. After that, it was working just fine.

    © @Denus

  9. From the album: My vintage Macintosh systems

    One SE/30 is now fully operational, but I'm looking for several working SE/30 main boards to be able to repair these two also.

    © @Denus

  10. From the album: My vintage Macintosh systems

    Here, you can see how the new SMD ceramic capacitor is soldered on the main board.

    © @Denus

  11. From the album: My vintage Macintosh systems

    The best and safest way to remove the capacitors is to cut them in half, so the terminals are exposed and easily attainable with the solder iron.

    © @Denus

  12. Denus

    Macintosh SE/30 Re-capping

    From the album: My vintage Macintosh systems

    The main board needs to be re-capped.

    © @Denus

  13. Denus

    Macintosh SE/30 Reassembled

    From the album: My vintage Macintosh systems

    You can see here how white the system became after the treatment, compared to the picture of the advertisement.

    © @Denus

  14. Denus

    Macintosh SE/30 Power on

    From the album: My vintage Macintosh systems

    Yeah: the system is working great, but the caps must be replaced (soft sound etc)
  15. From the album: My vintage Macintosh systems

    I've started reassembling the system which is the best part.

    © @Denus

  16. From the album: My vintage Macintosh systems

    I left the whole main board in a bath of water and ammonia (ammonia neutralizes the acids) for a few hours. After that, I used a teeth brush to gently clean the circuit, and then left the main board in the sun to let it dry. (the video and main CPU were removed later on too)

    © @Denus

  17. From the album: My vintage Macintosh systems

    Meanwhile, the inspection of the main board is showing the well known issue with leaking caps.

    © @Denus

  18. From the album: My vintage Macintosh systems

    Also the keyboard and mouse needed a serious make-over.

    © @Denus

  19. From the album: My vintage Macintosh systems

    First thing to do: get rid of the yellowed color on the plastic parts with the peroxide & sunshine trick.

    © @Denus

  20. From the album: My vintage Macintosh systems

    I bought this system knowing it was yellowed as hell, and not starting up.

    © @Denus