[TechAssist] Re: Philips 55P8341 Chassis PTV915 appears DEAD
- From: walter wood <wwood_38478@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 8 Apr 2004 14:52:42 -0700 (PDT)
Thanks BOB, I dounloaded that.
I'm convinced that the SSB is bad now, mostly
because I can't find anything else wrong.
All secondary B+ is OK.
Bad part is that I sent one to PTS on Feb. 13th and
they still have it.
Parts on national back order.
Inventory not available at Tritronics.
Walter
--- Gemini Computer & TV <geminitv@xxxxxxxxxxx>
wrote:
> That sure sounds like a bad SSB to me and they
> are very common on these. I
> have uploaded the following file to the members
> area:
>
> PTV915 Known Faults.pdf
>
> Bob Waterman, CET® #RI-28
> Master Technician License #9109
> Service Manager / Parts Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxx
> geminitv@xxxxxxx
> www.geminicomputertvsecurityalarms.com
>
>
> ----- Original Message -----
> From: "walter wood" <wwood_38478@xxxxxxxxx>
> To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, April 06, 2004 3:25 PM
> Subject: [TechAssist] Philips 55P8341 Chassis
> PTV915 appears DEAD
>
>
> > When power button is pushed relay clicks and a
> > second later what sounds like high voltage
> happens,
> > but I cannot see any sign that the High Voltage
> > comes up at all.
> > H.O.T Checks OK
> > Damper checks OK
> > Diode 6306 checks OK
> > LED on front of set stays full on, no blinks at
> > all.
> > Voltage across C 2313 is steady at 131vdc.
> > attempting to check voltage on collector of the
> > H.O.T. gets a small arc, which causes a noise
> in
> > the speakers briefly.
> > I cannot be sure of the 200vdc reading as the
> Fluke
> > model 73 goes kinda nuts .
> > Is it possible or probable that the SSB is at
> > fault?
> > Any way to test for that??
> > Of course, I have no schematic.
> > Any assistance appreciated.
> > TIA
> > Walter
> >
> > =====
> > Walter Wood
> > Future Tech Home Center
> > 2786 Hwy. 43 N.
> > Lawrenceburg Tn. 38464
> > 931-829-3337
> > Fax 931-829-4044
> > mailto:wwood_38478@xxxxxxxxx
> >
> > __________________________________
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> >
>
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=====
Walter Wood
Future Tech Home Center
2786 Hwy. 43 N.
Lawrenceburg Tn. 38464
931-829-3337
Fax 931-829-4044
mailto:wwood_38478@xxxxxxxxx
__________________________________
Do you Yahoo!?
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http://promotions.yahoo.com/design_giveaway/
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