[TechAssist] Re: Philips 50PP920217, chas DPTV305, shuts down after 20 seconds

  • From: <wjstv@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 5 Dec 2003 11:14:29 -0500

"Went in circles..."?  No wonder it took so long.  You should have gone in
trapezoids or in hexagons. You probably would have noticed it immediately if
you gone in a single rhombus.

Jeff Smith
Smith TV Service
1930 Main St
Newberry, SC 29108
803/276-4946

----- Original Message -----
From: Corey Brazell <cohbraz@xxxxxxxxxxxxxx>
To: techassist <techassist@xxxxxxxxxxxxx>
Sent: Friday, December 05, 2003 8:25 AM
Subject: [TechAssist] Re: Philips 50PP920217, chas DPTV305, shuts down after
20 seconds


>
> May be a slightly different chassis, but I just had a DPTV335 that would
> shutdown. I went in circles until I noticed that the CRT DAG cable from
the
> LSM to one of the CRTs was missing. I connects to a lug close to the HV
> Transformer and any of the spring lugs on any of the CRTs.
> Corey Brazell
> Audio Video Electronics
> 12169 SC Hwy 121
> Newberry SC 29108
>
>
> > [Original Message]
> > From: Gemini Computer & TV <geminitv@xxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Date: 12/5/2003 7:04:46 AM
> > Subject: [TechAssist] Re: Philips 50PP920217, chas DPTV305, shuts down
> after 20 seconds
> >
> > How about this?
> >
> > Symptom:
> > No Power/Shutdown.
> >
> > Cause:
> > Possible defective resistor.
> >
> > Resolution:
> > Check resistor 3306 15 ohm surface mount off the gate of FET 7301 on the
> > large signal board. If found defective replace with part number 3198 021
> > 51590.
> >
> > Applies To:
> > 43PP920201, 43PP920217, 43PP920217F, 43PP920284, 43PP920284F,
46PP930201,
> > 46PP930217, 46PP930217F, 46PP930284, 46PP930284F, 50PP920201,
50PP920217,
> > 50PP920217F, 50PP920284, 50PP920284F, 51PW930317F, 51PW936317F,
> 55PP935201,
> > 55PP935217, 55PP950201, 55PP950217, 55PP950284, 55PW936317F,
55PW938317F,
> > 60PP920201, 60PP920217, 60PP920217F, 60PP935201, 60PP935217, 60PP950201,
> > 60PP950217, 60PW936317F, 60PW938317F, DPTV305, DPTV305F, DPTV310,
DPTV315,
> > DPTV330, DPTV330F, DPTV335, DPTV340
> >
> > 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@xxxxxxxxxxxxxxxx
> > geminitv@xxxxxxx
> > www.geminicomputertvsecurityalarms.com
> >
> >
> > ----- Original Message -----
> > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, December 04, 2003 12:09 PM
> > Subject: [TechAssist] Philips 50PP920217, chas DPTV305, shuts down after
> 20
> > seconds
> >
> >
> > > No raster appears but if I disconnect a cable from the HOP board to a
> CRT
> > > board then a slick raster of the disconnected color shows just prior
to
> > > shutdown. All voltages check ok including the 130V. The SSB, SSM and
HOP
> > > have been replaced. Any tips or is there some way to defeat the
shutdown
> > to
> > > aid in troubleshooting? I have the Force manual.
> > > Thanks,
> > > **************************************************
> > > Jim Myers
> > > Since 1972
> > > Telrad Electronic Services Co.
> > > Fort Wayne, IN 46815
> > > *************************************************
> > >
> > >
> >
>
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> >
> >
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