[TechAssist] Re: Magnavox 31R1 Vertical Failure
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 29 Sep 2003 19:24:25 -0400
Did you use a generic vertical IC for the replacement (the original Philips
part# is 483520987091)?
---------------------------------------------------------------
Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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PHILIPS R1
Vert Small. Only 6" Video Rolling.Horiz In 1/4" On Rt
Cincinnati Tv 31r1 Sams 2791 Magnavox Rk7720
C455 470/25
---------------------------------------------------------------
PHILIPS R1
Vertical - Slow vertical warmup
Tom Schriver
Replace C450 and C455 (470m/25v) for slow opening vertical. They are on the
+13 volt supply and are physically located to left and a little forward of
the SMPS transformer.
---------------------------------------------------------------
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "tvtech" <tvstore@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, September 29, 2003 11:41 AM
Subject: [TechAssist] Magnavox 31R1 Vertical Failure
> Mag Model RK5700 31R1 Chasis, Vertical output (TDA8174) has black
> lines on the botten half of screen, replaced vertical output & caps,
unit
> ran properly for a couple days, failure returned. IC runs hot. Any
> suggestions
>
> Allen Josephsen
> The TV Store
> 907 East 7th ST
> Atlantic, Ia 50022
> tvstore@xxxxxxxxx
>
>
>
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