Welcome, Guest. Please login or register.
Forums
« previous next »
Pages: [1]   Go Down

Author Topic: A2000 battery damage green screen  (Read 1404 times)

Description:

0 Members and 1 Guest are viewing this topic.

Offline Acill

Re: A2000 battery damage green screen
« on: August 25, 2016, 04:56:56 AM »
Typically a green screen is a chip ram issue. Check all traces for breaks. If you have a microscope it helps a lot.
Logged
Proud Retired Navy Chief!

A4000T - CSPPC - Mediator
Powerbook G4 15", 17"
Powermac G5 2GHZ
AmigaOne X5000
Need Amiga recap or other services in the US? Visit my website at http://www.acill.com and take a look or on facebook at http://facebook.com/acillclassics
 

Offline Acill

Re: A2000 battery damage green screen
« Reply #1 on: October 07, 2017, 08:49:29 PM »
Quote from: EugeneNine;831431
Well, I finally got a few minutes to look at it.  Found no continuity between D1 and D2 and the U105 and U106 buffers.  It seems the traces erode right at the vias.  So i jumpered across those but still a green screen.  My guess then is a couple more of the vias closer to the battery, I need to trace those out.

Also the schematics I found online have different ram chips than my board.


Dont forget to do jumps on back of board too when you have a broken VIA. Thats what they are after all.
Logged
Proud Retired Navy Chief!

A4000T - CSPPC - Mediator
Powerbook G4 15", 17"
Powermac G5 2GHZ
AmigaOne X5000
Need Amiga recap or other services in the US? Visit my website at http://www.acill.com and take a look or on facebook at http://facebook.com/acillclassics
 
Pages: [1]   Go Up
« previous next »