[TechAssist] Re: Phillips 25B800 , shut down, need schematic

  • From: "Barry MacInnes" <foxhole@xxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 11 Aug 2004 08:47:36 -0400

Larry
    Check the 10 ohm 1/2 watt on the crt board from the 200 volts R3340?


Barry MacInnes
Television Service Clinic
W. Lebanon,NH 03784
foxhole@xxxxxxxxx
603-298-7780
----- Original Message -----
From: "larry" <schntv@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, August 10, 2004 10:10 AM
Subject: [TechAssist] Re: Phillips 25B800 , shut down, need schematic


> the cap looks ok, but another thing, the current is very low,
> and it seems that only a little lite on the screen causes shut
> down.
> Thank you,
> Larry
>
>
> Intrepid Video Support wrote:
> > Larry,
> > Check for a shorted disk cap next to HOT...probably leaning against the
heat sink.
> > Jeff
> > --
> > Intrepid Video TV/VCR Repair
> > 263 S Front St, Steelton PA 17113
> > 717-939-7708; (F) 717-564-4952
> > www.intrepid-video.com  www.tech-repair.net
> > ----- Original Message -----
> > From: "larry" <schntv@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, August 09, 2004 4:38 PM
> > Subject: [TechAssist] Phillips 25B800 , shut down, need schematic
> >
> >
> > phillips 25b800, had no vertical,
> > I cant seem to find a schematic of the crt board for this chassis.
> > replaced vert ic,
> >   rectifier, resistor,  2 electrolytics.
> > comes on for 4 seconds then shutdown.
> > too much screen drive.
> > white with retrace.
> > adjusting screen control is very sensitive.
> > can a shorted vert. cause video damage?
> > Thank you,
> > Larry
> >
>
> --
> Schneider TV & Electronic Inc.
> 5415 N. Wooster ave.
> Dover, Ohio 44622       www.geocities.com/schntv2000/
> 330-343-0768         FCC. first class & Extra class K8WLY
>
>
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