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    Three Macintosh Portables that don’t work

    Hello there, i’ve three mac portable that don’t work correctly. both three have been recapped. the first one was initially working, then i’ve tried it after some years and it wasn’t anymore… after some reboots i’ve managed to make it boot but crashed when a sound was played, then after some days...
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    Macintosh Portable M5120 doesn't want to boot

    Hello there, I've a Mac Portable that has already been recapped some years ago and at the time it was working. I tried to power it on the other day and no way! It just makes a very short noise from the speakers and shows some funky patterns on the screen or other times a black screen and nothing...
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    Macintosh Plus vertical deflection issue

    Hello, I’ve bought a Mac plus, the first minutes I used it it was working perfectly, however after some minutes the screen started to shrink from the bottom. Now it’s in half and when I turn it on after a bit it continues to go up. I replaced Q1 and R3 as stated in the dead scrolls but nothing...
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    Macintosh Portable M5120 strange behavior

    Hello there, M5120, already recapped some weeks ago. When I turn it on it boots correctly via hard disk and after like 20 seconds appears the low battery alert and it goes to sleep mode. If I unplug the hd it goes to the floppy with question mark screen and after a minute it shuts down. What...
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    Battery replacement for Portable 5120

    Hello there, I’ve a portable that has been recapped a bit ago and I just wanted to use it, my previous lead acid battery is dead and I’ve found in my house a zinc battery 6v 7aH, shall I buy another 6v 4.5ah lead acid or the zinc one should do the trick? I’m just not sure about the amps and...
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    Macintosh Portable seems to be fully working, what shall I do to prevent some failures?

    Hi there, I've just bought a like new Mac Portable from an old couple, bought a 6v 4.5ah battery and it boots into his original hdd. How can I check if there are some capacitors in a not so good state to prevent some future inconveniences? Thanks! I'm afraid to open it up since it seems to work...
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