[TechAssist] Re: Zenith Projo - PV-4667C - Dead/Buzzing Sound

  • From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 1 Dec 2003 18:11:28 -0600

Since there was open traces at the choke, yes it was dead as well as having
bad solder at the bridge and a number of other high heat areas. It was only
a suggestion from experience since you haven't even seen it yet.
The TV Shop
Gonzales, Tx

----- Original Message -----
From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 01, 2003 6:05 PM
Subject: [TechAssist] Re: Zenith Projo - PV-4667C - Dead/Buzzing Sound


> Was the obnoxious noise (EMI choke problem) accompanied with a no-start
> condition? This TV is dead, it doesn't fire up at all. I'm waiting for
> the customer to call back for a service date; in the meantime all other
> comments are very welcomed. God Bless America (North & South).
>
> David Lessard
>
> Alexandria Electronics
> 50 Harrison Street
> Alexandria, Ontario
> K0C-1A0
>
> mr_fixit@xxxxxxxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Terry H.
> Sent: Monday, December 01, 2003 1:12 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Zenith Projo - PV-4667C - Dead/Buzzing Sound
>
> Before anticipating disaster, check the power supply over for MANY bad
> solder joints, including the EMI choke at the ac input. Had several of
> those
> and will cause some obnoxious noise.
> Terry H.
> The TV Shop
> Gonzales, Tx
>
> ----- Original Message -----
> From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, December 01, 2003 11:56 AM
> Subject: [TechAssist] Zenith Projo - PV-4667C - Dead/Buzzing Sound
>
>
> > Hi Fellows,
> >
> > I don't have this TV in the shop yet. Customer describes TV being dead
> > with a buzzing sound coming from one of the boards inside, probably
> the
> > switching P.S. Question is, what is shorted? Are there common problems
> > on this TV? High-voltage splitter? How would I confirm this being the
> > problem? Thanks in advance. God Bless America (North & South).
> >
> > David Lessard
> >
> > Alexandria Electronics
> > 50 Harrison Street
> > Alexandria, Ontario
> > K0C-1A0
> >
> > mr_fixit@xxxxxxxxxxxx
> >
> >
> >
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