[TechAssist] Re: Philips 25F8 Chassis, Dead Set
- From: HSWAD@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 12 Aug 2003 09:56:12 EDT
What is the model number? I may have the info you need. Hollis Bates, Field
Engineer-retired, Lewiston, Maine, HSWAD@xxxxxxx
In a message dated 8/11/03 10:42:11 PM Eastern Daylight
Time, abevilac@xxxxxxxxxxxxx writes:
> Subj:[TechAssist] Philips 25F8 Chassis, Dead Set
> Date:8/11/03 10:42:11 PM Eastern Daylight Time
> From:<A HREF="mailto:abevilac@xxxxxxxxxxxxx";>abevilac@xxxxxxxxxxxxx</A>
> Reply-to:<A
> HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> To:<A HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> Sent from the Internet
>
>
>
> This set exhibits some activity during turn on (pulse of voltage at =
> outputs
> of scan derived supply) but quickly shuts down. High voltage never comes =
> up,
> but the 130 volt supply at the Horiz Output Transistor is good.
>
> We've replaced the vertical IC (with an OEM) because with that out of =
> the
> circuit, voltages all come up further and the degauss relay clicks, but =
> that
> didn't solve anything. Resistors and diodes in vertical section all =
> check
> OK.
>
> There is a manual in the download area, but the troubleshooting =
> flowchart
> pages are clipped off on the left side.
>
> Does anyone have a suggestion for this one, or readable troubleshooting
> flowcharts?
>
> Thanks, Art.
>
> Art Bevilacqua
> Essex Radio and TV
> 40 Main Street
> Essex, MA 01929
>
>
>
>
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