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or a cut trace on the board

accidentally replied again

I finally bought a new cpu and it works! It’s a 120mhz cpu so it’s a downgrade but i still have 448mb of ram.

I have not recapped it yet since i’m working on recapping my SE right now but i replaced the pram battery.

Maybe it’s time for a recap

I have been using my Mac LC once every few days, and today when i went to turn it on the color was gone. Everything is B&W and i can no longer change the color of the display. Any ideas on what’s happening? I tried reseating and cleaning the ram and vram, and booting the mac from a hard drive...

It's been a while since i read over all of this. My bad. Will try a new CPU

I just replaced the power supply to no avail. Could it be the vram?

Right sound chip legs are touching the pads (tested with traces), but when i was touching each leg of the chip to each other with the multimeter 3 of them were getting a continuity of 600 to 1000. Zoomed in 12x but I cant see any solder that could be bridging it. The multimeter didn't beep like...

Thank you for all the advice, I will do what you said In messages and what imactheknife said. PS: After leaving the IIci on for a while the screen displayed gray.

Replaced some SMD caps and tried to clean up 2 chips. It now powers on with no display or chime even with the rom simm. Pretty sure I messed up the right sound chip.

Yeah, the board is damaged pretty bad. I might just see if i can pay someone to help out with it. Even if i purchased the needed tools, i wouldn't know how to use them. Thank you for your advice, and il keep practicing. EDIT: soaked the board in vinegar for 2 hours and then a hour of IPA. for 20...

Reverted. Bridged a chip on accident

Got some fresh solder and set my iron to 400c and reheated some chips. Reseated the vram. This is the new output on the screen.reheated the row of 7 chips in the 3rd photo and the cluster of 6 chips in the 2nd

Sorry, had some bad wording. Put the motherboard of the SE/30 inside my working SE to test it with a working analog board and power supply.

This SE got battery bombed. Soaked the board in vinegar for 2 hours and in ipa for a while. Also scrubbed it with ipa and a toothbrush. During the cleaning, a rtc fell off. Attached photos. Any ideas on what to do? Beginner at this and looking for some advice. Using a standard SE with a working...

Will take a look at the chips and caps. I have been using a rom simm, it’s just not in the photo. The Jumper itself broke.

Screen is pink when holding down reset. Here are some photos

Thread Necromancy! Since the last time I posted, I learned more about soldering. I checked almost every trace with a multimeter and used a microscope so I could see more. Still has the same symptoms so I’m going to assume it’s the power supply. I was able to get the stripped screw off of the...