[TechAssist] Toshiba 27AF41 Shuts Down On Power Up

  • From: "Shoreline Electronics" <jstielau@xxxxxxxx>
  • To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 3 May 2004 15:05:59 -0400

Make : Toshiba
Model : 27AF41
Problem : Shuts down on power up.

Lifting the collector lead on the horizontal output lets the set stay on
with a B+ on the collector pad of 137VDC......which looks to be OK as the
set looks like it is designed to regulate at 125 with a full load on the

Changed the flyback.

Collector pulse looks good driving it with a Sencore TVA92.  No excessive
load shown

We do have the schematics we downloaded from Toshiba but are confused a bit
on this one.

I see a Fail Safe circuit on the print but I'm a bit miffed as to it's exact
operation......it this another type of X-ray protect?

Anyone have experience on this newer chassis?

Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)664-3535 FAX

Lost Password:
http://www.tech-assist.org  and select "Login Problems?".
Email Archives:

Other related posts: