Electronics Repair

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Dull red from a video projector

As though the red of the colour wheel has gone dark with age. Instead of vibrant red it is dull red/brown. Improved a b...
18 comments posted 13yrs
posted by diverse
18 comments posted 13yrs posted by diverse

EPROM sealant causing shorts

I have some EPROMs which show some short circuits between adjacent pins. I got rid of the shorts by scraping the white...
2 comments posted 13yrs
posted by nontelo
2 comments posted 13yrs posted by nontelo

Viewsonic 28" Monitor Dark

Expensive but worth it for a while until it went dark. VX2835WM So ... before I destroy it by poking around inside. Wha...
2 comments posted 13yrs
posted by nospam
2 comments posted 13yrs posted by nospam

who can settle this argument

A friend is doing his own network wiring. He told me what he did and I have serious doubts as to whether it will work a...
11 comments posted 13yrs
posted by captainvideo462009
11 comments posted 13yrs posted by captainvideo462009

Identify transistor?

Repairing a small circuit. Q1 is a small transister marked 603 9ze. I can't find any data on this marking. Help? Thanks...
4 comments posted 13yrs
posted by junkjasonrnorth
4 comments posted 13yrs posted by junkjasonrnorth

240V conversion

** Hi, mainly due to the popularity of Ebay, electronic gear originally sold in the USA and Japanese markets is now reg...
8 comments posted 13yrs
posted by phil_a
8 comments posted 13yrs posted by phil_a

flat screen deposits

Was stalking a stink bug on tv, then noticed the back of the set. Got spots around the plastic, as if bugs left muddy l...
18 comments posted 13yrs
posted by zekor
18 comments posted 13yrs posted by zekor

Composite video out of a flat screen?

I think that I know the answer to this one but at the risk of looking like a dummy I'll ask anyway. Some time ago a cus...
23 comments posted 13yrs
posted by captainvideo462009
23 comments posted 13yrs posted by captainvideo462009

Call for Paper : IJESET

International Journal of Engineering Sciences and Emerging Technologies (IJ ESET) is a reputable venue for publishing n...
0 comments posted 13yrs
posted by ijeset.editor
0 comments posted 13yrs posted by ijeset.editor

UPS battery replacement

I had to do an emergency replacement last weekend. The bad battery was: 12vdc, 4 amp hour gell cell All I could find lo...
26 comments posted 13yrs
posted by nomail
26 comments posted 13yrs posted by nomail

So where do you dispose of the hazardous waste?

Sealed lead acid batteries. Use up alkaline batteries. Dead LI batteries. NiCd batteries. etc. They don't go in the tra...
19 comments posted 13yrs
posted by nospam
19 comments posted 13yrs posted by nospam

OT: USB to RS232 converter?

Can you really slow down a USB port to 9600 baud and then just a USB to 9 pin D connectors and cable to connect from a...
31 comments posted 13yrs
posted by diverse
31 comments posted 13yrs posted by diverse

Nicad leakage

When NiCads leak, what's the best substance to neutralize the spill? [not NiMh; NiCad...] -- A host is a host from coas...
8 comments posted 13yrs
posted by wb8foz
8 comments posted 13yrs posted by wb8foz