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

  • From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 5 Dec 2003 07:04:46 -0500

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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