[TechAssist] Re: Toshiba PTV TP55G60, Shutdown
- From: "albert vasquez" <albertv29@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 27 Mar 2002 23:17:28 +0000
Blue tube have a high falure rate.Isolate blue tube.
>From: "Bruce Youmans" <youmans@xxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Toshiba PTV TP55G60, Shutdown
>Date: Wed, 27 Mar 2002 16:08:15 -0700
>
>Manuf: Toshiba
>Model: TP55G60
>Symptom: Shutdown
>
>Have followed Toshiba's troubleshooting procedure found on their Web Page.
>Low voltage power supply seems to be regulating fine in to a 100 watt light
>bulb load only (All loads removed by removing fuse F470).
>
>Isolated convergence IC's and set still shuts down.
>Removed high voltage lead from high voltage transformer to high voltage
>block, still shuts down.
>With high Voltage lead from high voltage transformer connected and three
>anode leads from high voltage block disconnected, set does not shut down.
>
>Does this sound like a bad high voltage block or have I just reduced the
>load enough that the set no longer shuts down? Even though the low voltage
>power supply is regulating fine, I'm wondering if I have an under voltage
>shutdown problem under full load?
>
>Confused. TIA.
>
>Bruce
>Bruce's TV Service
>Sierra Vista, Arizona
>
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Albert vasquez
Orion services
Victoria Tx 77901
361-574-9280
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