[TechAssist] Re: Update - Sony KP53V75 RA-2A - audio pops and convergence focus and color change for instant
- From: "Tony S" <tcselectronics@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 26 Sep 2005 21:37:45 -0500
Update, to my amazment the flyback did not fix this beast, after some
serious troubleshooting and the advice of Bob at Gemini Computers and TV, we
determined the HV block must be the problem.I will keep everyone informed.
Tony Saracco
TCS ELECTRONICS
406 Andra Ct.
Gilberts, IL 60136
tcselectronics@xxxxxxxxx
----- Original Message -----
From: "Tony S" <tcselectronics@xxxxxxxxx>
To: <TECHSUPPORT@xxxxxxxxxxxxxxxx>
Sent: Friday, September 23, 2005 8:49 AM
Subject: Sony KP53V75 RA-2A - audio pops and convergence focus and color
change for instant
> Hi guys ,
>
> I have this Sony that has a strange problem. every now and then the set
> will
> make a loud pop noise and this pop effects the focus, convergence and
> basically wipes the video leaving just raster then pix goes back to normal
> and cycle repeates at next pop. I have disconnected the tubes one by one
> but
> can still hear the pop (both hv lead and crt socet) I have removed the
> 200v
> source feed to the tubes and have removed the focus lead to the focus
> block
> but audio pop still heard. Checking voltages with a peak meter I found the
> biggest voltage drop on the G2 line , drops to 51v when nothing connected.
> and the B+ line goes from .4a current draw to 1.2 - 1.4 amp draw for an
> instant. My guess is the flyback but wondering if anyone had this happen
> to
> them.
>
> thanks for any input
> Tony Saracco
> TCS ELECTRONICS
> 406 Andra Ct.
> Gilberts, IL 60136
> tcselectronics@xxxxxxxxx
>
> * * * * * * * * * *
>
> The NESDA Techsupport e-mail list is a service of NESDA, 3608 Pershing
> Ave., Fort Worth, TX 76107. As a NESDA member you have elected to
> receive recurring e-mail from this list by providing a valid e-mail
> address. To unsubscribe, change your options via the web at
> http://www.nesdanetmail.com/archives/techsupport.html or contact the NESDA
> office at 817/921-9061 ext. 15. By using this list, you agree to follow
> the list "Rules of the Road", posted at this link:
> http://www.nesda.com/NESDAnet_rules_08-05.htm
-----------------------------------------------------------------------------
This Email List is accessible to the general public through search engines.
Remove: http://www.tech-assist.org/remove.htm
Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
