[TechAssist] Re: Sony LCD proj KF50XBR800 picture intermittent on/off
- From: tjanphyl@xxxxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 28 Jun 2005 08:01:29 -0400
I love these. No buying a 10 dollar IC as a test.No, major parts
purchases. I guess before you do, do you call and get approval from
the customer "incase this fixes this we have a go"? And would you just
figure on replacing both? As far as the economics of the job...
Phil
----- Original Message -----
From: Wayne Vanaman <Wayne@xxxxxxxxxxxxxxxxxxxxx>
Date: Tuesday, June 28, 2005 7:33 am
Subject: [TechAssist] Re: Sony LCD proj KF50XBR800 picture
intermittent on/off
> From what I have read either the lamp or the ballast (or the
> ballast
> power supply etc) could be a problem.
>
> Don't you love intermittants.
>
> 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
>
>
> Damon wrote:
> > Well, I've had 2 XBR800's with bad lamps......and I think I
> replaced one
> > Lamp Driver board
> > Weird thing about this is the symptom.....TV illuminates, about
> 30 - 60
> > seconds later it shuts down (the lamp does), then about 30-60
> seconds later
> > you hear the Lamp fire, lights up quick.........runs about a
> minute, then
> > shuts down again......
> >
> > You would Ass-u-me it acts like one of the thermoswitches is
> kicking in/out
> > or the Lamp Driver board is shutting down, but it's actually the
> Lamp at
> > fault.
> >
> > Damon B
> > Telrad Electronics
> > Fort Wayne IN
> > ----- Original Message -----
> > From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, June 27, 2005 8:59 AM
> > Subject: [TechAssist] Re: Sony LCD proj KF50XBR800 picture
> intermittent> on/off
> >
> >
> >
> >>I rather suspect that they mean lamp/ballast matching problems,
> but that
> >>isn't what they say.
> >>
> >>They also claim that the flickering CRT problem is in fewer than
> 1% of
> >>those sets, which means half the people in Pensacola own those
sets.
> >>
> >>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
> >>
> >>
> >>Jim Myers wrote:
> >>
> >>>ALL projection sets with a lamp have lamp problems! How could
> they NOT
> >>>have lamp problems?
> >>>Maybe someday they will have an LED light source to replace the
> lamp.>>>
> >>>
> >>>********************************
> >>>Since 1972 *
> >>>Jim Myers *
> >>>Telrad Electronics *
> >>>Fort Wayne Indiana *
> >>>********************************
> >>>
> >>>
> >>>Wayne Vanaman wrote:
> >>>
> >>>
> >>>>Sony "claims" that these models (kf50 and 60xbr800 and
> df60dx100) do not
> >>>>have lamp problems.
> >>>>
> >>>>I always believe Sony, don't you?
> >>>>
> >>>>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
> >>>>
> >>>>
> >>>>Rich M wrote:
> >>>>
> >>>>
> >>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>I always replace the lamp and ballast the first go around,
> also educate
> >
> > the
> >
> >>>>>customer on the proper use of the et.
> >>>>>
> >>>>>1. make sure there is a lot room around the unit for proper
> ventilation>>>>>
> >>>>>2. make sure the unit is not on a switched outlet
> >>>>>
> >>>>>3. better to leave the unit on between shows if only 30 min
> to 2 hours
> >
> > a
> >
> >>>>>part, the cooling and heating of the lamp decrease the lamp
> life.,>>>>>
> >>>>>4. don't move the tv after you turn it off because the lamp
> is very
> >
> > fragile,
> >
> >>>>>give it a couple hours to cool
> >>>>>
> >>>>>5. Also put the unit on a U.P.S battery backup. So if you
> lose power
> >
> > the
> >
> >>>>>lampstill have time to cool. then turn off set.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>From: "tvservice" <tvservice@xxxxxxxxxxxxx>
> >>>>>>Reply-To: techassist@xxxxxxxxxxxxx
> >>>>>>To: <techassist@xxxxxxxxxxxxx>
> >>>>>>Subject: [TechAssist] Sony LCD proj KF50XBR800 picture
> intermittent>
> > on/off
> >
> >>>>>>Date: Fri, 24 Jun 2005 15:42:04 -0500
> >>>>>>
> >>>>>>Hi group,
> >>>>>>am servicing this proj tv it will come on normal for about 1
> minute>
> > then
> >
> >>>>>picture and sound go off, lamp goes out.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Just as it goes out the "standby led" starts blinking, at 30
> blinks>
> > you
> >
> >>>>>heara click (relay) and at 4 more blinks picture and sound
> are back. It
> >
> > will
> >
> >>>>>operate about another minute and repeat cycle.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Is this a lamp or ballast problem?
> >>>>>>I remember seeing something posted about the Sony LCD
> projection sets
> >>>>>
> >>>>>havingsome ballast modification but I didn't save them.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Please any help would be appreciated
> >>>>>>
> >>>>>>Robert
> >>>>>>tvservice@xxxxxxxxxxxxx
> >>>>>>H &H Electronics Inc
> >>
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