[TechAssist] Re: update: Magnovox 32G700-7585 TP3284C101 shutsdownafter about 1 hour
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 14 Apr 2004 11:46:06 -0400
Peter, does this set use the infamous SSB board, a small upright CBA
back next to the tuner at rear of chassis?
That's notorious for shutdowns after a while.
Phil Bader
Peter oliver wrote:
>Screen control any setting no effect, changing diodes at 6631 and 6638 no
>effect, may try changing out vert Ic just in case but this one is definaity
>stubbron...... (any one have a manual on it, I also keep a non-public email
>address for large files)
>
>Peter Oliver
>Tucson Radio TV
>
>
>From: "John at Main TV" <maintv2004@xxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: Magnovox 32G700-7585 TP3284C101 shutsdown after
>about 1 hour
>Date: Sat, 10 Apr 2004 10:56:50 -0600
>
>If it shuts down for no good reason I would reset the screen contol. That
>is a critical setting for some reason. Turn it up until retrace and the
>back it off just enough to clear the picture. If that's not it I would
>change zener diodes 6631 (BZX79-B18 or 9331-669-30133) and 6638 (BZX79-B10
>or 9331-668-70133). I have heard it said Philips never learned how to make
>a reliable zener diode. There is also a shutdown line for loss of vertical
>deflection. I think you could see it drop down to a line before going off
>if that was the problem. Let us know what you find. John.
>
>John Mielke
>Main TV
>636 main St.
>Longmont, Co
>phone 303 776 6955
>fax 303 776 0792
>maintv2004@xxxxxxxxxxx
>----- Original Message -----
>From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Saturday, April 10, 2004 9:18 AM
>Subject: [TechAssist] Magnovox 32G700-7585 TP3284C101 shutsdown after about
>1 hour
>
>
> > Well got this beast back on the bench customer left it after the estimate
>so
> > took a while to get back to it. Ordered the flyback but still acts the
>same.
> > Initially it will run 1-2 hours (sometimes only 10 mins) then will turn
>off,
> > no blinking led. It can be turned back on simply by pressing power and
>will
> > run between 5 min and an hour +. Haven't found any indication, have
> > resoldered most major componets, Any more ideas. (this chassis is almost
> > identical to the D7 chassis)
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> > [TechAssist] Re: Magnovox 32G700-7585 TP3284C101 shutsdown after ~ 1 hour
> > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > To: techassist@xxxxxxxxxxxxx
> > Date: Thu, 11 Mar 2004 19:11:38 +0000
> > I guess I may have to order one as soldering everthing doesn't help
> > (assuming the estimate is aproved). Would like it to be a bit more
> > difinitive. runs anywhare from 10 min to 1 hour before sutting down
>usually
> > an hour.
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> >
> > From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> > Reply-To: techassist@xxxxxxxxxxxxx
> > To: <techassist@xxxxxxxxxxxxx>
> > Subject: [TechAssist] Re: Magnovox 32G700-7585 TP3284C101 shutsdown after
>~
> > 1 hour
> > Date: Wed, 10 Mar 2004 18:18:48 -0500
> >
> > Peter,
> > From Tech Repair CD:
> > Philips\TA3284C101 31G700\Press the power button* the set comes on for a
> > second *then it shuts off. High
> > voltage comes up to 32K. B+ at 130 V. Vertical output checks
> > good.\\\31G700\Replace FBT P/N:3128 1382
> > 0623 cost $16.50 form Tritronics\\\\\\\\
> >
> > Jeff Dougherty
> > Intrepid Video TV/VCR
> > 263 S Front St
> > Steelton PA 17113
> > fax...717-564-4952
> > www.intrepid-video.com www.tech-repair.net
> >
> > ----- Original Message -----
> > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, March 10, 2004 2:33 PM
> > Subject: [TechAssist] Magnovox 32G700-7585 TP3284C101 shutsdown after ~ 1
> > hour
> >
> >
> > Magnovox
> > TP3284C101
> > 32G700-7585
> >
> >
> > Set will run about an hour then shutdown can be restared by
> > pushing power (without unplugging) I have seen a few have had runins with
> > this set, does not appear to be a connection. Have started checing HV
>caps
> > but no luck yet, did see a note in the archinves about bad Flybacks but ?
> > ..... any one had any luck or ideas?
> >
> > Peter Oliver
> > Tucson Radio TV
> >
> > _________________________________________________________________
> > Tax headache? MSN Money provides relief with tax tips, tools, IRS forms
>and
> > more! http://moneycentral.msn.com/tax/workshop/welcome.asp
> >
> >
> >
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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