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

  • From: "Corey Brazell" <cohbraz@xxxxxxxxxxxxxx>
  • To: "techassist" <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 5 Dec 2003 08:25:39 -0500

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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