Search found 8 matches
- Tue Oct 02, 2018 6:11 pm
- Forum: ALPHA USER BUILDS
- Topic: Icky - Progress
- Replies: 671
- Views: 258533
Re: Icky - Progress
Next list of things to work through: Scart cable - still seeing flicker and on some monitors whiteout. In addition also see slight noise scrolling up the screen. Modifying cable to improve grounding and shielding. After this may tryout other suggestions from Exxos. Keyboard / Mouse - getting key re...
- Sun Sep 23, 2018 3:57 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: Video connector un-f*ck
- Replies: 22
- Views: 11427
Re: Video connector un-f*ck
You could, but it is a pain in the a** to solder those. So easier and probably cheaper to do on board. I have no problems in soldering them, many people have complained about this and are soldering them with the pins in its place and the plastic melts ,,, but you can actually pull them out and sold...
- Sun Sep 23, 2018 2:34 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: Video connector un-f*ck
- Replies: 22
- Views: 11427
Re: Video connector un-f*ck
Wouldnt it be possible to re route with Male-female connectors, it feels a bit unnecessary to order one PCB for just this ?
Just a thought.
Johan
Just a thought.
Johan
- Mon Sep 17, 2018 8:33 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: ALPHA MODIFICATIONS
- Replies: 85
- Views: 55986
Re: ALPHA MODIFICATIONS
i can see all the chips have a decoupling capacitor,,, but what about BAD DMA ? is there one and where? or is it not necessary?
- Sun Sep 16, 2018 11:55 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: ALPHA MODIFICATIONS
- Replies: 85
- Views: 55986
Re: ALPHA MODIFICATIONS
After cutting the trace on both sides of R920 ,,,, measure between D7 and the cut free R920 i get zero ohm, those two point must go to positive plane in pcb, so i guess no need to move the R920.
And also i noticed that the holes for the PSU is mirrored on the PCB.. Maybe you already know this..
And also i noticed that the holes for the PSU is mirrored on the PCB.. Maybe you already know this..
- Tue Sep 11, 2018 9:03 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: PCB Build - Progress - Post your Pics here :-)
- Replies: 135
- Views: 64904
Re: PCB Build - Progress - Post your Pics here :-)
Almost done with mine some connectors and the develish resistors in RGB and some touch up and overlook of all the solderings
I solved the keyboard connector
I solved the keyboard connector
- Sun Sep 02, 2018 4:01 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: ALPHA PARTS LIST
- Replies: 26
- Views: 23160
Re: ALPHA PARTS LIST
The Resistor SILs are they Isolated Resistors or Bussed Resistors or even Dual Terminator Packs
/Johan Hansson
- Mon Jul 30, 2018 8:21 pm
- Forum: ALPHA DEVELOPMENT INFO
- Topic: NEW LAYOUT
- Replies: 21
- Views: 14327
Re: NEW LAYOUT
Im up for one board...