Hi Everyone,
I've just picked up a Radius Full Page Display with a 9 pin connector.
Unfortunately I didn't have any Radius FPD card :-(
I have a FORMAC SE/3 card with DB9 out as well as a Radius 24 bit accelerated I/F card or an Apple Workstation/Portrait video card (13w3 connector).
What are...
Thanks again. I will do my homework I promise you. I love having teaching 🙏🙏♥️
https://museo.freaknet.org/gallery/apple/stuff/mac/andreas.kann/SE_P1.GIF
Thanks a lot @bigmessowires , that's for sure a very helping post <3
Do you think I could try to switch the 2 Rom chips with the ones of the working FDHD motherboard ? Or at least try the Rom chips of the non-working 800k motherboards on the working FDHD motherboard ? same for IWM ?
I checked...
thank you so much for reading my post and answering ♥️
I do have some 8 pins that I guess being 1Mb Simms, see first pictures on top of this topic. A
ll of them were tested successfully on the FDHD board
Hi,
here are the requested additionnal pics I took in best quality with my wife's phone lol.
Also, I found this link which is interesting relatively to HALT and RESET mistakes/short on the cPU caused by a wrong sound chip ...
Thanks a lot for your help.
No chime at startup unfortunately.
Here are some closer pictures. The screen isn’t frozen compared to chessboard issues, there are kind of speedy activities.
Here is also a new video with reset button effect. it also makes a slight tic sound in the speaker when...
Dear all,
I’m the happy owner of a Macintosh SE M5011 first version with the 800k floppy and internal 20SC which luckily badged as well at its back.
Unfortunately I’m not able to have it booting despite of trying different ram simms combinations that were tested well on my other SE Fdhd...
Hi everyone,
I’m trying to bring a 650 back to life. I already read different treads about but didn’t found answer or similar issue.
so it’s turning on, green led lighting, hard disk spinning…. but no bong and black screen…
I have a 4mb stick that run great on the LC3 and a new pram battery...
So I've rechecked and between pin 4 and pin 6 I've almost NOTHING AC !! but only 11,2V DC ! maybe it could help to diagnostic even I cannot understand we are AC on this side after the diode bridge (newbie I am!)
Besides,
* how could I check QP1 optocoupler ? I have an oscilloscope if needed.
*...
Hi again, In the meantime I've checked supply voltage between pin4 and pin6 of the TDA4605 and found about 11,15V DC which I think is correct ? Thanks again for your kind help
Thanks a lot spending time to help me. Very much appreciated. I don't know how to copy/paste in a new post, maybe a moderator will do for us ?
So, I've just found a CR-44 schematics but seems this is not exactly the same...at least components haven't the same names :-(...
Hi there,
I hope I can use this thread... I've got exactly a same issue with a Mac Classic. No power at all, no screen, no fan nothing when I switch on. I've recapped already a part of the PSU but still nothing. I would like to know from where I must start for voltage controls, control points...