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Got it! If you tap the analog board, any changes...

THis is the 512K, but must be similar, you can see top left the Britghness Adjustmen on the analoig board.

Verify that you don’t have crack soldering points. This is common on this Analog board. Reflow major connector or check with magnification all soldering points for all components.

Sounds like still have a bad soldering point on the analog board. A crack in one of the soldering points. I will reflow all major connectors. You can check with magnification, but I will re-flow all soldering points. I just have one similar. After some checking, found a couple of cracks in the...

Do you com Do you recap everything on the analog board?

In the 512K, you have to take the back out, is in the side of the Analog board. You need a flat Plastic tool. Remember, high Voltage. On the white card board attach to the analog board, you will see the Brightness Adjustment.

Their is a Brighness controll on the analog board. Use the nob in the front and put it on high, take the case out and adjust the brightness on the analog board until the lines are not visible.

Their is a Brighness controll on the analog board. Use the nob in the front and put it on high, take the case out and adjust the brightness on the analog board until the lines are not visible.

I just got a beatifull 512K with Memory Expansion and SCSI add on. Recap Everything and clean it Added a internal BleSCSI v2 and the system work great But, the floppy drive does not do anything...already lubricated and recap...no sing of life. Any Idea what to look or just try to find another...

Adjust the internal brightness on the Analog board. Is to high, move the outside brightness to max, and adjust the internal on the analog board.

Already did, Building a new Logicboard, Will try them! Almost all the IC are new, Loking for a damage board to finish it!

Any updates!

Floppy How floppy, Mouse and keybord fuctions. Working ok? Both Connectors?

So their is couple for the memory, for me that will cause the Simasimac display no the solid white screen. Correct me if I am wrong!

Did it work?

Anyone with any input on this isssue.

I try another drive that is working and dont work on the Classic. Work fine on the SE/30

Forgot to add, the drive have been service and new gear box...the issue is that the machine dont turn the eject motor...

I am trying to fix a Mac SE/30 with Multiple issues: 1. Simasimac display - Fix replacing couple of the Logic IC 2580 2. Horizontal Bars - Fix Damage trace from UE8 to UC6 Now the machine give me a white screen after the boot up bong. No mouse, neither happy mac or error.

I have a Mac Classic that the Flppy Drive dont try to Eject. I just put in a good working floppy drive from a Mac SE/30 and on this machine, if I send the eject, dont work. The issue is on the logic board at this point. Any pointers what to check or replace.