[TechAssist] Re: update. RCA 61" hdtv P61310, DTV307GA, fans "kick" once, otherwise dead]
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 18 May 2004 14:44:06 -0500
You can do just what you said
look for coolant leak at broken tube
possible cause of break
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 18, 2004 8:44 AM
Subject: [TechAssist] update. RCA 61" hdtv P61310, DTV307GA, fans "kick"
once, otherwise dead]
>
>
> -------- Original Message --------
> Subject: RCA 61" hdtv P61310, DTV307GA, fans "kick" once, otherwise dead
> Date: Sat, 15 May 2004 11:06:13 -0400
> From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
>
> I checked the DMA Power supply board and the two 4700mfd caps .Caps
> tested OK. I noticed as I powered it on, looking inside in the back, as
> it would do the cycling, I saw an arc from up under the CRT area each
> cycle.
> opened the front panel where I could see the bottoms of the CRT necks
> and CRT boards.
> The CRT on my right had the neck hanging!
> I can see a black arc line around it at the bell where it appears to
> have arced until it burnt through the glass neck!. CRT is toast. Don't
> know what else.
> Question:
> Can I isolate this bad blue CRT by unplugging it's anode from the block,
> and unplug the CRT board, so I can power the set and see if the other
> two CRTs are OK, and I have HV,etc? What's the safest way?
>
> Will keep posted.
> PS: another tech advised on the DMA power supply (upright one above
> sweep) to just change caps C14113,C14115 (use# 250729), and diodes
> CR19710 and 13 with #234048. High failure rates, tho not my problem here.
> Phil Bader
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
>
>
>
> Phil Bader wrote:
>
> >
> > A newer chassis.
> > RCA 61 inch HDTV. model P61310, chassis DTV307GA.
> > No picture, no sound.
> > I notice there is an "access card" in a slot in the rear, I assume a
> > built in satelite tuner assy.
> > Customer is an office equipement tech, and says it has two 24 volt
> > fans that seem to "kick" once, but do not start up. The set is
> > otherwise dead.
> > When I plugged in the cord, I heard the "chirp" of what I assume is
> > the power supply.
> > Pushed power button: Green light comes on and stays green constantly.
> > No other response, other than a strange sound coming from the lower
> > right side of the set (facing the set's screen), best described as a
> > half-second "Gurgle" recurring steadily every one second.
> > Could use ANYTHING on this: pdf's, bullitens, histories, common
> > hi-failures, anything!
> > Thanks,
> > Phil Bader.
> >
> >
> >
> >
> >
> >
>
> --
>
> 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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