Hi,

I am trying to revive an old UPS. It has 2 types of outlets. Surge Outlets providing just surge protection and battery outlets which provides the UPS shut down functionality in case of a power out. Surge outlets are working fine but battery outlets are not providing any power. (It was working fine until I shut the unit done). Replacing the batteries does not resolve the problem. Also not a fuse problem

As the unit is at least some 15 years I thought as a first trouble shooting step I will replace all the capacitors. The caps involved comprises of regular electrolytics...

Re: Acer AL2416W monitor won't power on

The thought that the LED power on/off switch could be faulty did cross my mind momentarily initially but,for some reason, I simply assumed that the fault would be more complicated and so discounted it until, as Sherlock Holmes say.."when you have eliminated the impossible....". Thanks again.

Re: Sharp R959 Microwave

Hi goontron - thanks for the health warnings and info. As advised, will use utmost caution on this repair. I'll give the 1.20uF a go after a final search on the web for a 1.16uf HV cap

Hi larrymoencurley - thanks for the link and great tips. Also good advice changing all those parts in one go. Unfortunately these things in the UK are so expansive - I worked out that the costs of replacing them comes to around 2/3 the price of a refurbished unit. If it's not the pleasure of finding out what the problem is, it would be simpler just to replace...

The microwave part my Sharp R959 microwave is not heating things up. One of the things causing the problem could apparently be a faulty capacitor. Would be most grateful if some knowledgeable member could enlighten me on the following:

1. The high voltage capacitor, (manuf. Elcomtec), is rated 1.16uF 2100VAC. what would the ESR range of the capacitor be.

2. A replacement from Sharp costs an arm and a leg and there doesn't appear to be an exact replacement available on the web. The nearest equivalent I could find was either 1.10uF (2100VAC or 2500 VAC) or a 1.20uF...

Re: Acer AL2416W monitor won't power on

Managed to figure out the problem in the end and posting findings in case it is of help to someone else.

Having looked through the various threads and suggestions provided finally narrowed down the problem to a, would you believe it, faulty on/off switch. Replaced switch and monitor now working. I am feeling kind of idiotic. Thanks for all the help.

Re: Acer AL2416W monitor won't power on

Hi,

Thank you all for the kind words and taking the time to provide me with links and information. Much appreciated. I shall go through all your suggestions one by one to see if I can make further progress. Will report back soon.

My PC monitor "Acer AL2416W" has packed up. It is still in good physical shape and I am rather loathe to chuck it out. Was hoping through the advise and help of the many knowledgeable members in the forum to get it working again. I am a beginner wanting to learn more about electronics.

Setup
-known working computer and VGA cable as replacement monitor works fine

Symptoms
2 or 3 weeks before the Acer gave up the ghost, the OCD menu will come on on its own. This happened with increasing frequency for a few days. The problem with the OCD menu...

Re: New Members - please post your introductions here

Hello all,

My name is Hun, a new member based in the UK. Like some before me, I came across this site while looking for advice on how to repair a faulty PC monitor (Acer AL2416W) and decided to join as I like how, irrespective of where the members are from, they all are so friendly, informative and helpful.

Being a novice I have always regarded electronic fault diagnosis as a black art, enviously impressed by the skilled practitioners who can miraculously bring life to the dead. It is something I like...