[TechAssist] Re: Schematic need for Magnovox 32G700-7585 TP3284C101 shutsdown after about 1 hour
- From: "Adolph Gower" <agower@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 15 Apr 2004 20:57:28 -0700
In the past I found on Philips chassis Horizontal driver transformer
connection at the top were bad, I had overlooked re-soldering the top
connectors.This was found after 5 trips to customers home.
Adolph Gower
Cordova TV
10275 Old Placerville Rd. Suite 5
Sacramento, Ca. ZIP 95827
E-mail agower@xxxxxxxxxxxxxxxxxx
Phone (916) 363-6565
Fax (916) 363-7623
Phone (916) 363-6565
Fax (916) 363-7623
E-mail agower@xxxxxxxxxxxxxxxxxx
Large assortment of used parts
----- Original Message -----
From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: 2004Äê4ÔÂ15ÈÕ 12:36
Subject: [TechAssist] Schematic need for Magnovox 32G700-7585 TP3284C101
shutsdown after about 1 hour
> Need a schematic for the G7 chassis .
> Model is Magnovox TP3284C101
> Chassis is 32G700 Philips manual 7585
>
> Have tried flyback (LOT), diodes menitioned below and vert out IC. All to
no
> effect.
> On time is somewhat random ranging from about a mininute to over 2 hours,
> any futher help is appriciated
>
> 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
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> >
> >
> >
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