[TechAssist] Re: Toshiba 20A42, Dead with two shorted rectifiers
- From: "Tel-Tek" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 30 Jun 2004 22:18:06 -0400
Good point Jeff.
May be an idea to post both.
Some Model numbers have not matched up with Canadian (Toshiba), compared
to US.
-Ed-
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
Ask about our Service Database.
www.tech-repair.net
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Intrepid Video
Support
Sent: Wednesday, June 30, 2004 5:08 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Toshiba 20A42, Dead with two shorted
rectifiers
Art,
Posting the TAC chassis number may yield more responses.
Jeff
--
Intrepid Video TV/VCR Repair
263 S Front St, Steelton PA 17113
717-939-7708; (F) 717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "art bevilacqua" <abevilac@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, June 30, 2004 10:43 AM
Subject: [TechAssist] Toshiba 20A42, Dead with two shorted rectifiers
This set seems to have taken a lightning hit, two rectifiers and the
fuse were gone.
Now it won't come up all the way, it seems that high voltage might be
starting, barely, but then
everything is quiet. B+ voltage doesn't seem right, it's sitting at 165
when the set is off, when the set
is turned on, it takes on different random values, 105 one time, 115 the
next, 110 the next time. The B+
adjust pot has no affect. Other PS secondary voltages seem to be
present, the power led is on when the set
is on. I have a schematic, but some of the voltages listed there seem
wrong, as though they were measured
from the wrong reference ground.
The set is not worth doing much to, but if someone has any ideas that
would be appreciated. Thanks
Art Bevilacqua
Essex Radio & TV
40 Main St
Essex, MA 01929
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