[TechAssist] Re: Magnovox 32G700-7585 TP3284C101 shutsdown after about 1 hour
- From: "John at Main TV" <maintv2004@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- 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
>
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