TFT monitor info

[Dave Burt]

I have the oportunity of getting hold of a few broken TFT monitors (non crt
monitors) the trouble is I don't have much of an idea of what's inside them
and how they work! (I have an HNC in electronics and am OK with crt
monitors) , has anyone come across any info on the web (or anywhere else for
that matter) about these monitors please.

Thanks

DaveB

 

[James Sweet]

"Dave Burt" <daveb@v21.me.uk> wrote in message
news:3f9a8682@news.greennet.net...

I have the oportunity of getting hold of a few broken TFT monitors (non
crt
monitors) the trouble is I don't have much of an idea of what's inside
them
and how they work! (I have an HNC in electronics and am OK with crt
monitors) , has anyone come across any info on the web (or anywhere else
for
that matter) about these monitors please.

Thanks

DaveB

Broken ones are worth just about zip, all that's inside them aside from the
display panel itself is a small driver board and an inverter for the
backlight, both almost exclusively tiny SMT components. About all you can
hope to fix on them is replacing a burned out backlight tube, but then you
have the challenge of finding the often odd sized tubes with the correct
color temperature.

 

[Hellraiser]

"James Sweet" <jamessweet@hotmail.com> wrote in message
news:6kAmb.26110$Tr4.53970@attbi_s03...

"Dave Burt" <daveb@v21.me.uk> wrote in message
news:3f9a8682@news.greennet.net...
I have the oportunity of getting hold of a few broken TFT monitors (non
crt
monitors) the trouble is I don't have much of an idea of what's inside
them
and how they work! (I have an HNC in electronics and am OK with crt
monitors) , has anyone come across any info on the web (or anywhere else
for
that matter) about these monitors please.

Thanks

DaveB



Broken ones are worth just about zip, all that's inside them aside from
the
display panel itself is a small driver board and an inverter for the
backlight, both almost exclusively tiny SMT components. About all you can
hope to fix on them is replacing a burned out backlight tube, but then you
have the challenge of finding the often odd sized tubes with the correct
color temperature.

Funny, I bought 3 faulty TFT monitors and repaired all three. Must have been
lucky I guess

Hellraiser..........>

 

[James Sweet]

Broken ones are worth just about zip, all that's inside them aside from
the
display panel itself is a small driver board and an inverter for the
backlight, both almost exclusively tiny SMT components. About all you
can
hope to fix on them is replacing a burned out backlight tube, but then
you
have the challenge of finding the often odd sized tubes with the correct
color temperature.

Funny, I bought 3 faulty TFT monitors and repaired all three. Must have
been
lucky I guess

Hellraiser..........

What was wrong with them? Occasionally you do get lucky, I've fixed a number
of DVD players that had relatively simple faults, but few can hope to do
component level troubleshooting on high density SMT boards.

 

[Hellraiser]

"James Sweet" <jamessweet@hotmail.com> wrote in message
news:FmDmb.27953$HS4.109228@attbi_s01...

Broken ones are worth just about zip, all that's inside them aside
from
the
display panel itself is a small driver board and an inverter for the
backlight, both almost exclusively tiny SMT components. About all you
can
hope to fix on them is replacing a burned out backlight tube, but then
you
have the challenge of finding the often odd sized tubes with the
correct
color temperature.

Funny, I bought 3 faulty TFT monitors and repaired all three. Must have
been
lucky I guess

Hellraiser..........



What was wrong with them? Occasionally you do get lucky, I've fixed a
number
of DVD players that had relatively simple faults, but few can hope to do
component level troubleshooting on high density SMT boards.

The Dell had a knackered PSU connector, the Philips had a dodgy inverter
board (one of the transformers had failed), and the Fujitsu had a dodgy
inverter board which when it failed also knocked out a couple of components
on the mainboard. All were restored to health - most of the time the serious
components keep working, it's usually trivial faults for the most part.

Hellraiser.........>

 

[uk-hamman]

hmmmm
if these monitors are free than you have nothing to loose
simply throw them away if you cannot fix them .

if you are paying for them , then beware.
there is not a lot in them , mainly a psu-board / switchmode inverter
board , and a tube . and lots of surface mount components
and ic's .. and a little tricky to work on in general

its up to you , but i have seen these beasts sell for
139 pounds , brand new for a 15-inch version .

chers de Paul