Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!axion!uzi-9mm.fulcrum.bt.co.uk!beta.its.bt.co.uk!jvt From: jvt@its.bt.co.uk (John Trickey) Newsgroups: comp.sys.atari.st Subject: Re: SM124 monichrome monitor problem... Message-ID: Date: 1 Feb 91 11:52:12 GMT References: <1991Jan29.110121.10806@actrix.gen.nz> <1991Jan29.233400.28092@rice.edu> Sender: isode@fulcrum.bt.co.uk (Isode Hackers) Organization: BT Applied Systems, Birmingham, UK Lines: 27 In article <1991Jan29.233400.28092@rice.edu> bro@eunomia.rice.edu (Douglas Monk) writes: > NEVER work on a monitor when it is plugged in unless you REALLY know > what you are doing. Even unplugged monitors may carry dangerous > charges in capacitors for quite some time as well. This is TRUE and a safe practise is always to discharge large value caps before working on equipment no matter how long it has been since the equipment has been switched on. Remember: Tubes have capacitance. In article entropy@ai.mit.edu (entropy) writes: >A TV or monitor can retain a lethal charge for more than 2 years after >it is unplugged (especially older TV models). There are ways of >safely discharging caps and tubes, refer to a TV repair manual for >more information. Long - yes, That long - **no way**. As above I always advise caution but scare mongering based on half fact helps nobody. Lets keep this advice to sensible levels, after all working on HV equipment is quite safe as long as proper procedures are applied. The objective must be to help people to learn, not to unnecessarily scare them off ever opening the cover. John -- John Trickey || ..!mcsun!ukc!axion!its G4REV @ GB7SUT Voice: +44 21 333 3369 #include