[TechAssist] Re: Zenith F-line C-3/ 9-754 Sweep/PS
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 Nov 2003 14:45:09 -0500
Keith,
Found a note on model SF2721H2 F line C3 set.. cycles
on/off...Audio amp on signal board 9-753...You listed no model# so I don't
know if this applies...
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Keith Trumbla" <ktrumbla@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 20, 2003 2:02 PM
Subject: [TechAssist] Zenith F-line C-3/ 9-754 Sweep/PS
> F line Zenith "SPLIT" chassis # 9-753 Main and 9-754 HV & PS . When you
> plug set, in relay cycles in and out. Problem is in power supply as it
keeps
> on cycling even with power control disconnected from micro. Tried usual
caps
> C3407 , C3440. Scoped supply and found it pulsing like those CTC169's when
> the caps fail. H.O.T is not shorted and I don't measure any shorts to
> ground on the other supplies either.
> Any ideas ?
> Keith Trumbla
> BEM Electronics Inc.
> Suite 212-530 Century St.
> WPG. MB. R3H 0Y4 Canada
> Ph.(204)775-2875 Fax.(204)774-9192
> SITE UPDATED !
> www.bemelectronics.com
>
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