[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 12:12:54 -0500
I talked to a tech at Philips about this DAG wire problem. He indicated
that they have seen several of these with this problem now, and in most
cases if the set goes into shutdown due to a missing DAG wire, the LSB
should be replaced.

Corey Brazell
Audio Video Electronics
12169 SC Hwy 121
Newberry SC 29108


> [Original Message]
> From: Jim Myers <jr.myers@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Date: 12/5/2003 11:26:28 AM
> Subject: [TechAssist] Re: Philips 50PP920217, chas DPTV305, shuts down
after 20 seconds
>
> Resistor is ok and adding the DAG wire did not help but the wiring diagram
> does show that lug to be a DAG connection. I have the LSB on order now,
> maybe that will finish it.
> **************************************************
> Jim Myers
> Since 1972
> Telrad Electronic Services Co.
> Fort Wayne, IN 46815
> *************************************************
> ----- Original Message ----- 
> From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, December 05, 2003 9:25 AM
> Subject: [TechAssist] Re: Philips 50PP920217, chas DPTV305, shuts down
after
> 20 seconds
>
>
> That may well be it, I know that lug next to the IHVT is empty. I'll check
> it when I get the set back on the bench and will also check the resistor
> mentioned by Bob at Gemini, Thanks guys.
> **************************************************
> Jim Myers
> Since 1972
> Telrad Electronic Services Co.
> Fort Wayne, IN 46815
> *************************************************
> ----- 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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[TechAssist] Re: Philips 50PP920217, chas DPTV305, shuts down after 20 seconds

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