[TechAssist] Re: ZENITH TV, M#:SF5749W, NO CHASSIS LISTED, no pwer on

Matt,
Change C3407 (100mfd/25volt) and check diode CR3434.

Bob Waterman, CET®
Service Manager
Gemini Computer, TV, & Security Alarm Systems, Inc.
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx

----- Original Message -----
From: "matt sherer" <m.sheer@xxxxxxxxxxxxx>
To: "techassist" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, June 27, 2002 10:08 PM
Subject: [TechAssist] ZENITH TV, M#:SF5749W, NO CHASSIS LISTED, no pwer on


>
> Unit will not power on.  Unit has 175v at the switching transistor and
> should be 156v.  Also has 175v at the 156v output off of the switching
> transformer.  Found a tip to replace CR3415(14v zener).  Checked ok but
> replaced anyway, no help.  Any help appreciated.
> Gear Guy
> Electronic repair
> A/V systems design, maintenance and installation
> AMX programming
> Matt Sherer, CET
> 1411 Honeysuckle Lane
> Champaign, IL 61821
> (217)356-9479
>
>
>
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