Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!psuvax1!swatsun!news From: hyy94@campus.swarthmore.edu Newsgroups: comp.sys.amiga.hardware Subject: Re: 1084 Blanking Problem Message-ID: Date: 30 Nov 90 00:05:40 GMT Sender: news@cs.swarthmore.edu Organization: Swarthmore College Lines: 34 Nntp-Posting-Host: swat In article <2054@stsci.EDU>, kyp@stsci.EDU (Mark Kyprianou) writes... >PROBLEM: >I have a 1.5 year old 1084 monitor that has a blanking problem. It always >popped, but recently it developed the blanking problem. When my monitor >blanks out, it stays blank. Sometimes I can get it to recover by tapping >the side of the monitor. Othertimes, I have to turn it off for a couple >of hours. > >THINGS I HAVE TRIED: >I tried cleaning it, but it was not very dusty because I keep it covered. >What area should I concentrate on cleaning? > >I opened it up and looked for cold solder joints. I found one potential bad >solder joint, but it did not fix the problem. There is a large PC board on >the bottom that is covered by a shield plate. I have not removed this plate >to look for bad solder joints or dust. Anyone ever hear of this shield plate >shorting out the monitor, there is not much clearance between the PC board, >the ?plastic insulator? and the shield plate. > >SPECULATION: >Is there a design flaw in the monitor? > >Any info would be greatly appreciated. > >-- > Space Telescope Science Institute, Baltimore, MD 21218 > Mark ARPA: kyp@stsci.edu BITNET: kyp@stsci SPAN: STOSC::kyp > Kyprianou UUCP: {arizona,decvax,hao}!noao!stsci!kyp I have had the same exact problem on my 1084. I took it into a service center and got it fixed for about $75. The maintenance guy said that some whatsit inside the monitor had burnt out. Don't know if this will help any Workmanship was never a Commodore forte!