[TechAssist] Re: Mitibushi VS 4544 Vertical collapse 2nd try


You can have a vert roll, vert jitter or compression so why not a vert
line. All problems caused by a defective vert circuit. Only to the
viewers would this appear to be horz.

Ed on the south thing, wait until noon and then aim towards the sun.

Al G

Ed Gaidies wrote:
> 
> Gary;
> I don't want credit...just makes common sense.
>     All Tech's that have serviced TV's are sure to know the difference.
> If I put out a search for help, when I say vertical, I mean vertical. Have
> been know to say vertical line, but then when someone tells me, in
> directions, turn north or south, I would rather have turn left or right.
>     Farmers always give me those type of directions, on Service Calls, (turn
> south on the 6th line)..hehe.
> 
> -Ed-
> 
> GARY  The above is the reply to your message dated    8/30/02 8:05 PM
> 
> >
> > I agree! this vertical/horizontal line stuff does seem petty.Ed has hit it
> > right in the nose!
> > Give him some credit.
> > Gary
> > CHAMBERS TV
> > BRADENTON,FL
> > SINCE 1982
> >
> > ----- Original Message -----
> > From: "Ed Gaidies" <teltek2@xxxxxxxxxxxx>
> > To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, August 30, 2002 7:19 PM
> > Subject: [TechAssist] Re: Mitibushi VS 4544 Vertical collapse 2nd try
> >
> >
> >>
> >> Ken;
> >>     Why don't we just call it a Vertical problem, or a horizontal problem,
> >> without describing what the line is showing on the screen.  Technicians
> > will
> >> know the difference. We will leave the description of the orientation of
> > the
> >> line to our customers. I have to explain this to my customers too often,
> >> over the phone. So on a forum such as this, it will certainly weed out the
> >> professionals from the novice.
> >>
> >>
> >> -Ed-
> >> Tel-Tek Electronics
> >>     Midland, Ontario
> >>      Canada.
> >>
> >> teltek2@xxxxxxxxxxxx
> >> teltek3@xxxxxxxxxxxx
> >> teltek@xxxxxxx
> >>
> >> "Quality will be remembered....long after Price is forgotten"
> >>
> >>
> >>
> >>
> >> gulftech@xxxxxxxx  The above is the reply to your message dated    8/30/02
> >> 7:06 PM
> >>
> >>>
> >>> Bill,
> >>>
> >>> I mean no offense, but please clarify.  You said " When we increase one
> >>> of the screens, a vertical line will come up."  Don't you mean a
> >>> horizontal line?  We have been through the vertical/horizontal
> > discussion
> >>> before.  I had a tech working for me for years that would call the
> >>> resultant from vertical collapse "A vertical line."  Drove me crazy!
> >>>
> >>> Check the B+ to the output chip.  See if it drops off.  Also, change the
> >>> diode next to the chip.   An NTE125 will work fine there.
> >>>
> >>> One other thought.  Try some cold spray on the jungle IC.  You may be
> >>> losing drive to the output.
> >>>
> >>> Good luck,
> >>>
> >>>
> >>> Ken Smith
> >>> Gulf Technical Services
> >>> 3034 Gulf Breeze Parkway
> >>> Gulf Breeze, FL  32563
> >>> 850-934-8324 (Voice) 850-932-0819 (Fax)
> >>>
> >>>
> >>> On Fri, 30 Aug 2002 15:42:04 -0700 "Bill S" <billans@xxxxxxxxxxxx>
> >>> writes:
> >>>>
> >>>>
> >>>> Hi again
> >>>> as per the message yesterday,  We replaced the Vertical IC 401 and
> >>>> checked
> >>>> the vertical yoke plug.  The picture will play for a bit and then
> >>>> goes out.
> >>>> When we increase one of the screens, a vertical line will come up.
> >>>> The
> >>>> vertical IC chip is a LA7845.  Any other ideas??  Where is C 286
> >>>> located
> >>>> at??
> >>>> Many thanks
> >>>> Bill Sorensen
> >>>> New Life Video & Audio
> >>>> billans@xxxxxxxxxxxx
> >>>> - - - - - - - - - - - - - - - - - - -
> >>>>
> >>>> ----- Original Message -----
> >>>> From: "Bill S" <billans@xxxxxxxxxxxx>
> >>>> To: <techassist@xxxxxxxxxxxxx>
> >>>> Sent: Thursday, August 29, 2002 7:59 PM
> >>>> Subject: [TechAssist] Mitibushi VS 4544 Vertical collapse
> >>>>
> >>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> Hi all
> >>>>> We got this unit in for a no picture sympton.  It would play for a
> >>>> while
> >>>> and
> >>>>> then lines through the picture and then no picture.  The customer
> >>>> hit the
> >>>>> set and it would come back on.  Upon checking the unit, We found
> >>>> that the
> >>>>> vertical had collapsed.  This was a housecall of many miles away
> >>>> and the
> >>>>> customer had originally said that it was an RCA and we only
> >>>> brought the
> >>>> RCA
> >>>>> stuff for a CTC169 fix.   Anyway, We will be going back.  Does
> >>>> anyone know
> >>>>> the location number as well as the part number of the vertical
> >>>> chip and if
> >>>>> there are any upgrades on this thing?  The help is greatly
> >>>> appreciated!!
> >>>>> Thanks
> >>>>> Bill Sorensen
> >>>>> New Life Video & Audio
> >>>>> billans@xxxxxxxxxxxx
> >>>>> - - - - - - - - - - - - - - - - - - -
> >>>>>
> >>>>>
> >>>>>
> >>>>>
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