[TechAssist] Re: Toshiba TP55D80 - convergence issue
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 2 Jul 2003 17:43:41 -0400
Carefully lift from the circuit and check the 2.7 ohm resistors as they are
very critical!!!! I have uploaded the Toshiba convergence bulletin regarding
this to the members area. I would suggest you download and read that
bulletin completely and I believe you will find your problem.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "KenyD" <ken.dyche@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 02, 2003 5:20 PM
Subject: [TechAssist] Toshiba TP55D80 - convergence issue
> We were called into the house on the unit for a convergence problem.
> Assuming it was going to be a simple STK issue, we brought them along with
a
> bunch of 2 and 3 watt resistors. The problem is specifically with the
BLUE
> HORIZONTAL convergence. There is a slight linearity problem and minor
> pincushion prob (bowed in) on the left and a major pin prob (bowed in) on
> the right.
>
> So we went ahead and changed the STK's, checked all the power resistors
(all
> were good) and checked the set...what else would you expect...same fault.
>
> Nobody has tampered with the front pots and adjusting them doesn't give
> enough range either. Does anyone have any ideas?
>
> Thanks in advance;
> Ken Dyche
> Mississauga T.V. Inc. (est. 1952)
> Mississauga, Ontario
> Canada
>
>
>
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