[TechAssist] Re: Panasonic CT-2011SV, No Vertical, Parts ID

  • From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 26 Sep 2002 19:07:16 -0400

Bruce,
I am sending a block diagram of HV that may help.
It is for the P2...which I think is what you have.

Jeff
FAX 717-564-4952
Intrepid Video & Electronics
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Harrisburg PA 17111-2055
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----- Original Message ----- 
From: "Bruce Youmans" <youmans@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 26, 2002 2:51 PM
Subject: [TechAssist] Re: Panasonic CT-2011SV, No Vertical, Parts ID



I have changed R552 which was open and shorted D561, as well as vertical IC
LA7835. Still no vertical sweep. Have checked all capacitors and diodes in
vertical circuit. All check good.  Yoke ?? There is 24 volts on VCC of
vertical IC. Does someone have a schematic of the vertical circuit then can
email/fax me?

Thanks.

Bruce
Bruce's TV Service
Sierra Vista, Arizona
youmans@xxxxxxxx
----- Original Message -----
From: Don Hartigan <hartstv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 17, 2002 4:01 PM
Subject: [TechAssist] Re: Panasonic CT-2011SV, No Vertical, Parts ID


>
> Bruce,most of these Vert cct use a 1 or 2 ohm resistor & a hi speed
> switching diode,ECG 577 or 588 to supply the VCC for the Vert i/c.Of
course
> you may also have to replace the IC as well.Can't help you on
C457,567...Don
> HARTS-TVCR''ASC''
> 9 Robert St.,Oromocto,NewBrunswick,Can
> E2V 3N2
> Tel#506-357-9785,Fax#506-357-6010
> hartstv@xxxxxxxxxxx
> ----- Original Message -----
> From: "Bruce Youmans" <youmans@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, September 17, 2002 1:39 AM
> Subject: [TechAssist] Panasonic CT-2011SV, No Vertical, Parts ID
>
>
> > Manufavturer: Panasonic
> > Model: CT-2011SV
> > Chassis: AMEDP289
> > Symptom: No Vertical Sweep
> >
> > Need parts ID (value and/or part number) for;
> > R552
> > D561
> >
> > I do not have the schematic and the circuit trace is difficult to
follow.
> It would also help to know the electrolytic capacitor board reference
number
> for this scan derived supply. I think it may be C457 or C567.
> >
> > Thanks.
> >
> > Bruce
> > Bruce's TV Service
> > Sierra Vista, Arizona
> >
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