[TechAssist] Re: Zenith PVY6067DT proj. repl.HV block,bright flashesnow
- From: Paul <dntwntv@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 20 Oct 2003 10:28:54 -0700 (PDT)
Phil, I had a similar experience with a 53" Zen Proj TV.a few weeks ago. I
replaced the sweep board and had trouble getting the green tube to track. It
would either be out of focus or not bright enough. I was able to find a
compromise that would work. The picture would get very bright on some scenes
and have a greenish cast once in awhile. I sent it home and two days later the
customer called and said the tv was going black but the sound remained. I
replaced the HV block,had the same symptom. Replaced the sweep board again that
fixed it. Also the green tube adjusted normally after replacing the board
again. You can't be sure of anything any more when it comes to parts. Paul
Philip Bader <tjanphyl@xxxxxxxxxxxxxxx> wrote:BTW what was exactly YOUR
symptom,Keith?
The black screen or the flashing? And did turning down the brightness
seem to "help"?
Phil Bader
Keith Trumbla wrote:
>
> I hate to say this Phil, but I had one like that a few months back, and the
> generic HV blocks were bad. I went through 2 generics until I got one from
> Zenith and my set was fixed. Don't rule out that generic block
> HTH
> Keith Trumbla
> BEM Electronics Inc.
> Suite 212-530 Century St.
> WPG. MB. R3H 0Y4 Canada
> Ph.(204)775-2875 Fax.(204)774-9192
> SITE UPDATED !
> www.bemelectronics.com
>
> ----- Original Message -----
> From: "Philip Bader"
> To:
> Sent: Saturday, October 18, 2003 11:04 AM
> Subject: [TechAssist] Zenith PVY6067DT proj. repl.HV block,bright flashes
> now
>
> > When it came in, If I powered unit on, heard an instant HV shutdown.
> > UNplugged flyback anode from HV block (put in a glass bottle) and unit
> > now stays on with HV.
> > Replaced the HV block (orig.# A17813-01, used replacement# A17196-12 per
> > TriTronics)./ Powered it up. Had sound, HV but no filaments, black
> > screen. After going over the deflection board and just
> > unplugging/reseating plugs,probing parts,etc, and re-trying it,the unit
> > then came up and had filaments and a picture. Adjustments of the
> > G2/focus,was touchy.But it ran/looked OK after greyscale and
> > convergence.
> > Today after a few hrs running noticed brightness flickers 5-6 times a
> > second rate. Seems if I back down the brightness a bit it clears.Don't
> > know if this is the ABL fighting my G2 settings or a deflection module
> > issue. Need input here,guys,got to get this beast out of here.
> > Phil Bader
> > --
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > Fax (863) 299-8821
> > email: tjanphyl@xxxxxxxxxxxxxxx
> > For Professional Technicians Only
> >
> >
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
For Professional Technicians Only
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Paul ,B
Central TV&Video
Grover Beach Ca.
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