Electronics Forum / Repair / May 2004

it is you should try it yourself.

This scanner has started to produce a streak the length of the scan, but
only in colour. B/W scans are clean.
There is a sample at http://tinyurl.co.uk/5uv9
The lamp appears evenly bright along its length. Any ideas what might be

I have an old (1997) SVGA computer monitor (labled FIG S567) which gets
blurry once it's warmed up. I feel the tube is still good because when cold
the picture is reasonably sharp.
It used to get blurry AND brighten up when it was warm. However I

Unit has a bright blue raster with retrace linesTurn screen way down and get
picture, Blue cathode= 70VDC, Red and green = 179VDC, Unplug picture tube
and same readings. Voltage comming into CRT board at CN705 is
R= .86,  G= .86, B= 3.58,

I've resoldered all the ringed & cold solder joints that I could find &
also replaced a few vertical caps but still have the same symptoms. Any
tips would be greatly appreciated.
Thanks, Mark

I have a Sony model KV27V22, will not power up upon inspection I
noticed cap C613 on the Power Supply Module was burnt out, I found out
it was a 1000pf cap and replaced it, it still will not power up,
nothing else is visually wrong, Any pointers what else I could check..

hello I am in desperate need for a television part it is for a nokia
fx74f2 television and is called a focus one focus 2 and screen block
assembly the part has 2 numbers on it they are101-199-10 and 5246vb
91606,any help on wnere I could find this part would be extremely

I've lostthe manual to this model tv.   It seems the "tamper
proof"mode is locked inand I can't unlock it. The redlight on the tv
just blinks..
I've tried unplugging the tv for a time, and fresh batteries in the

I haven't bought a TV in about 6 years. Now while passing the television
displays in a local chain store, my DW set her eye on a set with the new
wider screen. This is in what I seem to recall is a 9x16 aspect ratio as
compared to the old 3x4.

I've diagnosed with my APC Smart-UPS 1000 the following problem, when
it runs on battery:
- with the load of about 20%, the average current consumed from the
battery (2x12V) is about 25A

Have had this problem for 3-4 years but it would only occur if
the set was actually unplugged for several hours (e.g., during a
thunder storm, etc.). When plugged back in, the set would
immediately turn itself on. If you then turned it off (either by

Found this 2SA1608 (body marked YL3) transistor leaky in the LCD panel
for the -V DC-DC converter is required for the biasing LCD to proper
contrast.  LCD's fault is washed out image but barely can see the
images.  CCL light is working.

I am wanting to get one of these deals that...looks a gun and has a laser
pointer that you point and check temperature with. I don't the name of the
thing. Where would you buy one and wonder how much they sell for? Thanks!

I have a Remmington RS6963 re-chargeable shaver which I want to change the
cells on.  I have read various newsgroup articles on the pro's and Con's
and am happy with the process. I have one snag I cant see how to get at the
cells. I can get the razor apart and can see the cells in a ...

I have an UPS that has a good battery but refuses to work at all.  It
is BC PERS200 (200VA or 125W) and I often use it with my laptop during
power failure to stay in touch.
Anyway it just up and died one day.  I checked, the battery is still