[TechAssist] Re: Hitachi 50EX8K runs with perfect pic/sound 30 sec, thumps and shutdown
- From: "pete" <tvtech@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 4 Dec 2004 18:18:19 -0500
phil check the ceramic cap off the horiz output transistor sometimes you
cant see it but the cap is smoking. Since it goes into shutdown. the cap
never really smokes. Hope this helps
Pete
Perdomo Tv Inc Since 1972
Miami.Fl
----- Original Message -----
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, December 04, 2004 1:17 PM
Subject: [TechAssist] Hitachi 50EX8K runs with perfect pic/sound 30 sec,
thumps and shutdown
> Made in 1994.Other similar versions are:
> 55EX9K,50EX10B,50EX11B,50EX12KV.
> Powers up with a perfect picture, sound and convergence. After maybe 30
> seconds, I hear an audible "thump" as it shuts down. Must unplug to
> reset. I closely looked at the power/deflection board for bad
> solder,visablly bad caps,stains,etc. but none seen, and tapping the set
> when on produces no signs of bad connections.
> I think I hear a slight raspy noise coming from the horizontal area just
> before shut down but the picture is unaffected. I ESR'd many small
> lytics around the vert, and regulators. All seem OK.
> I THINK it is an AP32 chassis.
> Phil Bader
>
> --
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
>
> -----------------------------------------------------------------------------
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Anti-Virus.
> Version: 7.0.289 / Virus Database: 265.4.5 - Release Date: 12/3/2004
>
>
--
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.289 / Virus Database: 265.4.5 - Release Date: 12/3/2004
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
