[TechAssist] FIXED....Re: Re: Vertical Roll on a Hitachi 27ux01B... Panasonic chassis.. Chassis # NA8.... FIXED
- From: "Matt De Young" <gibbys_elec@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 28 Oct 2005 13:59:44 -0400
Since this is a Panasonic Chassis, I remembered problems with earlier models
that a Capacitor near the Flyback would fail and cause a vertical problem..
For the life of me I could not remember which capacitor was always the
culprit or what chassis this usually happend on. So I started to check all
the Scan derived sources. Found almost every Cap in that area to have be
bad.. Changed the following caps: C551 - 330uF/35v, C552-C553 - 330uF/16V,
C556 - 1000uF/16V, C558 - 220uF/16V, and C560 - 2.2uF/50V NP. All these
had bad ESR and were 85 degree caps.. I changed them to 105 degree since
they are in a hot area...
Thanks to those who helped out...
Matt De Young @ Gibbys Electronics
St. Catharines, Ont Canada
gibbys_elec@xxxxxxxxxxx
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 27, 2005 9:33 PM
Subject: [TechAssist] Re: Vertical Roll on a Hitachi 27ux01B... Panasonic
chassis.. Chassis # EP338
> According to the Hitachi site , this a Panasonic NA8 chassis.
>
> Digging in Winstips it seems to cross back to a NA8 chassified set dubbed
a
> CT36D11E.
>
> This model has this tip! Maybe a lead?
>
> ---------------------------------------------------------------
> Text pasted from WinSTIPS 2.0
> http://www.ServiceSoftware.com
> ---------------------------------------------------------------
>
> PANASONIC CT36D11E
>
> Vertical Jitter
>
> Found Leaky Cap C405 Off Of Pin27 (Vertical Ramp ) Of Ic101 The Jungle
> Chip.
> C405 P/N Ecsf1ee105vb 1uf/25v Smd
>
> ---------------------------------------------------------------
>
>
> ==========================
> Jeff Stielau
> Shoreline Electronics Repair
> 344 East Main Street
> Clinton,CT 06413
> 860-399-1861
> 860-664-3535 (fax)
> jstielau@xxxxxxxx
> ========================
>
> ----- Original Message -----
> From: "Matt De Young" <gibbys_elec@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 27, 2005 12:02 PM
> Subject: [TechAssist] Vertical Roll on a Hitachi 27ux01B... Panasonic
> chassis.. Chassis # EP338
>
>
> > This set came in with vertical foldover, vertical roll with poor
> > colors(purplish) The foldover was corrected with caps changed in the
> > vertical cicuit, along with the vertical IC. OSD does not roll, PIP has
> > decent color.
> > I have replaced IC101(TA1310BN) this did not clear up the roll.
> >
> > An help appreciated.
> >
> >
> > Matt De Young @ Gibbys Electronics
> > St. Catharines, Ont Canada
> > gibbys_elec@xxxxxxxxxxx
> >
>
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