[TechAssist] Re: NEC LCD computer monitor, model lcd1700v
- From: Wayne Vanaman <Wayne@xxxxxxxxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 17 Jun 2005 14:10:48 -0500
Hi Pete:
I did not tear it down enough to see what kind of "bulbs" it uses. Lots
of ribbon connectors, so I thought I would try to collect information
from someone with more experience than I.
I can do more damage in a minute than I can fix in an hour.
Wayne Vanaman
Omega Electronics
6904 W Fairfield Dr
Pensacola, Fl. 32506-3310
Wayne@xxxxxxxxxxxxxxxxxxxxx
WWW.PensacolaTVRepair.Com
850-456-5995 voice
850-458-6369 fax
majorthom@xxxxxxxxxxxxx wrote:
> Hey Wayne-Sounds right so far . Can you swap bulbs around to verify?Does
> monitor wk OK w/the 2 good bulbs?[1]
> Pete
> Wayne Vanaman <Wayne@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Greetings.
> I have an NEC 17" LCD computer monitor.
> When the set is first turned on the picture comes on for a half second
> or less, every time, not intermittant.
>
> There is a power supply which appears to be two parts, mirrored, for the
> top and bottom halves of the display.
>
> The output for the bottom half swings about 50KHz 2KV pk-pk pulses when
> the display is up. The top half swings about 4KVpk-pk. The inputs to
> the top and bottom step up transforms are about the same.
>
> I unloaded the power supply and both the top and bottom outputs swing
> about 4KV pk-pk, so I Assume that this means the top lamp (are there two
> lamps?) is bad.
>
> Can anyone provide me with any information on this set, including parts
> souring and availabilty?
> Does my conclusion seem reasonable?
>
> I have not dissassembled the unit enough to see the actual panel itself
> 'cause I didn't want to break any of those many ribbon cables.
>
> Wayne Vanaman
> Omega Electronics
> 6904 W Fairfield Dr
> Pensacola, Fl. 32506-3310
>
> Wayne@xxxxxxxxxxxxxxxxxxxxx
> WWW.PensacolaTVRepair.Com
>
> 850-456-5995 voice
> 850-458-6369 fax
>
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> Peter Neal
> Neal Electronics
> 1905 E. Wm.Cannon
> Austin,TX 78756
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