[TechAssist] Re: service info Dell M780 Monitor
- From: HSWAD@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 28 Jun 2003 21:12:07 EDT
Egads, I copied from the wrong piece of paper. NTE1788 is a vertical output
IC. Is there a generic replacement for the KA2S0880? Hollis Bates, Field
Engineer-retired,Lewiston, Maine, HSWAD@xxxxxxx
In a message dated 6/28/03 3:07:56 PM Eastern
Daylight Time, techforce@xxxxxxxxxxxx writes:
> Subj:[TechAssist] Re: service info Dell M780 Monitor
> Date:6/28/03 3:07:56 PM Eastern Daylight Time
> From:<A HREF="mailto:techforce@xxxxxxxxxxxx";>techforce@xxxxxxxxxxxx</A>
> Reply-to:<A
> HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> To:<A HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> Sent from the Internet
>
>
>
> Hollis:
> NTE1788 looks like a H. Output IC Chip. Its not the One In the
> Power Supply like I mentioned.
>
> ============================================================
> ndustry Number : NTE1788
> NTE Device Number: NTE1788
> IC-TV VERT OUTPUT,7-PIN SIP
> ======================================================
>
> Sounds like maybe that IC is bad , or the VCC for it is Fluxuating.
>
> Look for a KA2S0880 5 Pin V. Reg IC in the PS Section. Let me know if there
> is one.
>
> Steve Hearns
> Technotronic Dimensions, NY (USA)
> 1-877-817-9885 (Voice / Fax US Only)
> WWW.TECHNOTRONIC-DIMENSIONS.COM
>
> ----- Original Message -----
> From: <HSWAD@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, June 28, 2003 3:00 PM
> Subject: [TechAssist] Re: service info Dell M780 Monitor
>
>
> > I took your suggestion and did check out IC601. The input voltage was 170
> > volts and output fluctuated between 0 and 140 volts very fast. Base of
> Horizontal
> > output showed drive pulses untill shutdown occured. I ordered a
> replacement
> > to IC601 which crosses to an NTE1788. Will let you know the results.
> Thanks a
> > bunch. Hollis Bates Field Engineer-retired, Lewiston, Maine HSWAD@xxxxxxx
> > In a message dated 6/28/03 11:12:03 AM Eastern
> Daylight
> > Time, techforce@xxxxxxxxxxxx writes:
> >
> > > Subj:[TechAssist] Re: service info Dell M780 Monitor
> > > Date:6/28/03 11:12:03 AM Eastern Daylight Time
> > > From:<A HREF="mailto:techforce@xxxxxxxxxxxx";>techforce@xxxxxxxxxxxx</A>
> > > Reply-to:HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx
> > > To:HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx
> > > Sent from the Internet
> > >
> > >
> > >
> > > Sounds like SMPS Problem. That IC regulator I mentioned before, might be
> > > worth checking out.
> > >
> > > Steve Hearns
> > > Technotronic Dimensions, NY (USA)
> > > 1-877-817-9885 (Voice / Fax US Only)
> > > WWW.TECHNOTRONIC-DIMENSIONS.COM
> > >
> > > ----- Original Message -----
> > > From: <HSWAD@xxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Saturday, June 28, 2003 7:18 AM
> > > Subject: [TechAssist] Re: service info Dell M780 Monitor
> > >
> > >
> > > > Monitoring the Flyback pulses at the Horizontal output transistor
> shows no
> > > > substained activity at all no matter whether the monitor is hooked to
> a
> > > computer
> > > > or not. Just wont start up. Hollis Bates, Foeld Engineer-retired,
> > > Lewiston,
> > > > Maine, HSWAD@xxxxxxxx
> > > > In a message dated 6/27/03
> 10:53:08
> > > PM
> > > > Eastern Daylight Time, alg@xxxxxxxxxxx writes:
> > > >
> > > > > Subj:[TechAssist] Re: service info Dell M780 Monitor
> > > > > Date:6/27/03 10:53:08 PM Eastern Daylight Time
> > > > > From:<A HREF="mailto:alg@xxxxxxxxxxx";>alg@xxxxxxxxxxx</A>
> > > > >
> Reply-to:HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx
> > > > > To:HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx
> > > > > Sent from the Internet
> > > > >
> > > > >
> > > > >
> > > > > Does this also happen if the monitor isn't connected to a computer.
> If
> > > > > work not connected then problem is it's not detecting incoming
> video.
> > > > >
> > > > > Al G
> > > > > Al's TV-Electronics
> > > > > Pembroke Ont.
> > > > > Canada
> > > > >
> > > > > HSWAD@xxxxxxx wrote:
> > > > > >
> > > > > > The monitor led goes green for one second and then orange. unit
> shuts
> > > down
> > > > > > instantly without ever giving any indication of anything on the
> > > screen.
> > > > > All of
> > > > > > them that I have that are down are showing the same symtoms.Hollis
> > > Bates,
> > > > > Field
> > > > > > engineer-retired, Lewiston, Maine HSWAD@xxxxxxx
> > > > > > In a message dated 6/27/03 9:42:35 AM
> > > Eastern
> > > > > > Daylight Time, techforce@xxxxxxxxxxxx writes:
> > > > > >
> > > > > > > Subj:[TechAssist] Re: service info Dell M780 Monitor
> > > > > > > Date:6/27/03 9:42:35 AM Eastern Daylight Time
> > > > > > > From:HREF="mailto:techforce@xxxxxxxxxxxx";>techforce@xxxxxxxxxxxx
> > > > > > > Reply-to:HREF="mailto:techassist@xxxxxxxxxxxxx";>
> > > techassist@xxxxxxxxxxxxx
> > > > > > >
> To:HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx
> > > > > > > Sent from the Internet
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > It seems unsure what chassis is actually in this Monitor. A lot
> of
> > > them
> > > > > Were
> > > > > > > Sony equivalent Chassis used in Sony Monitors, Some were
> Panasonic.
> > > > > > >
> > > > > > > What is the problem with your Monitor ? There is a history of
> Shut
> > > Down
> > > > > > > Problems, and geomitry / Centering Problems.
> > > > > > >
> > > > > > > Steve Hearns
> > > > > > > Technotronic Dimensions, NY (USA)
> > > > > > > 1-877-817-9885 (Voice / Fax US Only)
> > > > > > > WWW.TECHNOTRONIC-DIMENSIONS.COM
> > > > > > >
> > > > > > > ----- Original Message -----
> > > > > > > From: <HSWAD@xxxxxxx>
> > > > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > > > Sent: Friday, June 27, 2003 8:16 AM
> > > > > > > Subject: [TechAssist] service info Dell M780 Monitor
> > > > > > >
> > > > > > >
> > > > > > > > Yesterday I spent two hours on the phone to Dell trying to
> find a
> > > > > source
> > > > > > > for
> > > > > > > > service info for the M780 monitor of which I have several that
> are
> > > > > down. I
> > > > > > > > just allowed myself to be herded from one extension to another
> and
> > > > > kept a
> > > > > > > record
> > > > > > > > of where I was sent and as much as possible who I talked to. I
> > > first
> > > > > > > > approached them in need of service info. That did not produce
> > > results.
> > > > > I
> > > > > > > then changed
> > > > > > > > to wanting to know where to take them in my area to be
> repaired.
> > > No
> > > > > > > results
> > > > > > > > just more being tossed from one person to another. Next I
> tried to
> > > > > find
> > > > > > > out who
> > > > > > > > would repaid a unit if I were to purchase one from them and it
> > > needed
> > > > > > > repair
> > > > > > > > either in warranty or out. No results. Lastly I tried to get
> > > answers
> > > > > if
> > > > > > > the unit
> > > > > > > > were to be in warranty. Was given a number to call that no one
> > > > > answered.
> > > > > > > > Something is really amiss at this company. They have great
> > > products
> > > > > and
> > > > > > > have a
> > > > > > > > good sales talk. Just thought I would let you know. Hollis
> Bates,
> > > > > Field
> > > > > > > Engineer-
> > > > > > > > retired, Lewiston, Maine. HSWAD@xxxxxxx
> > > > > > > >
> > > > > > >
> > > > >
> > >
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