[TechAssist] Re: Magnavox RL8570,Chas PTV380
- From: "" <phxmobilbob@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 10 Oct 2003 17:25:40 -0400 (EDT)
THANKS George
Convergence is off because because of problem with sweep
Bob
--- On Fri 10/10, George < grndmstrg@xxxxxxxxxxxx > wrote:
From: George [mailto: grndmstrg@xxxxxxxxxxxx]
To: techassist@xxxxxxxxxxxxx
Date: Fri, 10 Oct 2003 11:16:06 -0700
Subject: [TechAssist] Re: Magnavox RL8570,Chas PTV380
How is the convergence?<br><br>George<br>Afana Electronics<br>Moreno Valley,
CA<br><br>----- Original Message -----<br>From: <phxmobilbob@xxxxxxxxxx><br>To:
<techassist@xxxxxxxxxxxxx><br>Sent: Friday, October 10, 2003 6:01
AM<br>Subject: [TechAssist] Magnavox RL8570,Chas PTV380<br><br><br>><br>><br>>
HI ALL<br>> Magnvox PTV380 , can not get Vertical center. Have no Schmatic
working<br>from bits and pieces of other s Schmatic's<br>> I'v changed the Vert
IC ,checked voltages around the vert IC,all look good<br>.<br>> Have +20 ,-20
at conv PRW Supply, +12,-12 at the conv BD.<br>> The more checks and Adj I make
, Looks more like some thing wrong in Vert<br>IC Section . missing bottom
portion of sweep with a trapazode effect.maybe I<br>should try another Vert IC
.<br>> Just checked D552 off pin 1 of Vert IC. Is this doide paralleled with
a<br>resistor .getting a bad read on this .<br>> If Anybody has seen this
problem or has any ideas I would sure<br>appreciate.Anybody have a schmatic for
this PTV380<br>> It<br>> Thanks Bob Searcy<br>><br>> Exellent
TV<br>><br>><br>><br>><br>>
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