[TechAssist] Re: Mitsubishi VS-507CA fold-down projection TV, 1987 model, red gun flaring

  • From: "tvservice" <tvservice@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 6 May 2005 15:22:08 -0500

try backing off on the red drive adjustment
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc

----- Original Message ----- 
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 06, 2005 2:35 PM
Subject: [TechAssist] Mitsubishi VS-507CA fold-down projection TV, 1987
model, red gun flaring


> Is there a circuit fault that could cause just the red gun to flare (to
> the right of people's faces and objects) in this 18 year old set?  The
> tubes test OK on my B&K, and I couldn't rejuvenate them like I normally
> do.  When I pressed the rejuvenate button the needle moved up and stayed
> there for 30-40 seconds and did not move back and forth like it normally
> does after a few seconds showing that it is working.
>
> If it is the red tube, what causes it to flare?  I can understand when a
> picture is dark that the cathode is covered in oxide, and that
> cleaning/rejuvenating cleans off this covering.  But what goes bad in
> the tube that causes it to flare?  Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
> --------------------------------------------------------------------------
---
> This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
> Lost Password: http://www.tech-assist.org  and select "Login Problems?".
> Appliance Repair List:
http://www.tech-assist.org/secure/tip/chatjoin.htm#app
> Email Archives: //www.freelists.org/archives/techassist/

-----------------------------------------------------------------------------
This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
Lost Password: http://www.tech-assist.org  and select "Login Problems?".
Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app
Email Archives: //www.freelists.org/archives/techassist/

Other related posts:

  1. Home
  2. techassist
  3. Archive
  4. 05-2005