[TechAssist] Re: Toshiba TP55G65,TAC 9754, HV comes on for split second, need SM.

From: Tel-Tek <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Date: Sun, 10 Apr 2005 21:12:16 -0400

Good point Corey.
I needed to read further..but pulling plugs on deflection yokes is a last
resort on Rear Projection.

Unless you know what it tells you...refrain from doing that.

-Ed-
-- 
Tel-Tek Electronics
Ontario-Canada   

teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx   


> From: Corey Brazell <cohbraz@xxxxxxxxxxxxx>
> Reply-To: <techassist@xxxxxxxxxxxxx>
> Date: Sun, 10 Apr 2005 20:27:10 -0400
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Toshiba TP55G65,TAC 9754, HV comes on for split
> second, need SM.
> 
> You can use a DMM, connect it to the outputs of the convergence circuit, and
> see any of them have a decently large (5-15volt) DC voltage on them just
> before the set shuts down. If so, you have a bad STK392-110.
> 
> Also, pull the deflection yoke connectors and check the resistance on each,
> but do not turn the set on with the yokes disconnected, though. Sometimes
> one of the CRTs will arc from the anode cap to the yoke and burn the
> windings, creating a short and a resistance of at least one ohm less than a
> good yoke. If you see this, replace the yoke and add RTV to the anode caps.
> 
> And if all of that fails, check the vertical output signal and the voltage
> to the vertical IC. It could also be defective.
> 
> Corey Brazell
> Audio Video Electronics
> 12169 SC Hwy 121
> Newberry SC 29108
> 
> ----- Original Message -----
> From: "Kevin" <kevintv@xxxxxxx>
> To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, April 10, 2005 4:55 PM
> Subject: [TechAssist] Toshiba TP55G65,TAC 9754, HV comes on for split
> second, need SM.
> 
> 
>> This set comes on for a split second and then goes into shutdown with
>> the power light slowly flashing off and on.  I looked in the member's
>> area but could not find this model listed.  Does anyone know what
>> chassis family this set belongs to?  I am guessing it is in the list for
>> Toshiba, but not by model number.  Thanks.
>> 
>> Kevin Wilks
>> Kevin's TV & Video Repair
>> Penticton BC Canada
>> kevintv@xxxxxxx
>> 
>> 
>> 
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References:
- [TechAssist] Re: Toshiba TP55G65,TAC 9754, HV comes on for split second, need SM.
  - From: Corey Brazell

[TechAssist] Re: Toshiba TP55G65,TAC 9754, HV comes on for split second, need SM.

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