Recent content by dragon_x

f... my both LC's have onboard VRAM ;( I have also IIvx ill check it if it has VRAM maybe it will works with my LC.

unfortunatelly I don't have oscilloscope. Can I check it with VRAM from LCIII?

Hi, I'm back after a long break. The struggle with LC continues. Computer is working, but as you can see in the pictures, the screen has vertical stripes and the image sometimes streaks. All capacitors have been replaced, the board has undergone a bath in IPA and cleaning. Two tracks were...

Hi, am starting with II vx renovation.  I have one problem for now :)  How to open this PSU? Do have any idea how to do it? Greetings

Thanks :)

Next Mac is alive :) I did a motherboard iso bath and recap. Mac is backed to live next thing will second iso bath and PSU recap.

hi, I'm starting a Macintosh renovation.  on pin 15 of the u7 chip, the voltage is once and once not.  I checked on a working performe and I had over 3v there.  in LC the voltage oscillated around 2.7V if it appeared.  disassembled capacitors.  as you can see in the photos they poured out...

Hello,  I checked PSU model  this is: ASTEC Model number: A A 16870 Apple Part Number: 614-0009 I am looking for schematics, capacitors list, informations how to turn it on without on/off switch.  Can You help me with that?

Mac has no signs of life for now... :(    

Hello, 4th Mac has just arrived. It is a Macintosh IIvx. Computer is looking good, but I found one terrible thing - a liking battery. No one changed It from ... 1992 y. I decided to clean battery socket and everything aroud It before I will try to turn on the computer. I have one question. Can...

You've right. shipment should arrived on friday on monday. Then I will be able to check PSU model. 

Thanks :)  Do you know something about PSU?

Hi,  in a few days Macintosh IIvx will arrive. I am looking for informations which capacitors I will need for recap motherboard and PSU but I did not find any informations about this model. Can I ask You for help with it? Computer should be in a working condition but probably never have been...

Yes, this is my next project machine. I bringed to life my LC I. I hope LCIII will be next :)

This is a new  project :)  Maybe next Mac will have a new life :) WhereI should take a GND for  Pin 15 measuring?