[TechAssist] Re: Daewoo TV Model DTQ-19P2FC Vert. foldover
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 21 Oct 2004 19:01:14 -0400
Check out the following link:
http://manual.daewoodigital.com/
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@xxxxxxxxxxx
----- Original Message -----
From: "Wally Heise" <sirepair@xxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 21, 2004 12:00 PM
Subject: [TechAssist] Daewoo TV Model DTQ-19P2FC Vert. foldover
> Daewoo DTQ-19P2FC, Chassis CN-001A
>
> I am spending way too much time on this 19 inch cheapie but need some
> advice.
>
> Symptom - vertical is about inch short on top and bottom, and has a
foldover
> bar about 3 inches down from the top. TV also will shut down when I
change
> channels, when it shut's down it has a large colorful dot in the center of
> the screen. TV will also turn itself on when I plug it into AC, then the
> remote or front panel buttons work OK. Also appears the horizontal width
is
> pulled in on both sides somewhat.
>
> So far I have checked all capacitors, replaced weak caps and tried the
> vertical IC LA7841. I have found all of the smps voltages are higher than
> the silk screen labels on the board (as always don't have proper
schematic).
> Have tried Q801 - smps switching FET to no avail.
>
> My suspicions is the problem is the hybrid pc board I801, feedback for the
> smps. Does anyone have any history on this tv, or a scan of the power
> supply portion of this tv? Thanks for any help.
>
> Wally Heise
> South Isle Repair
> Isle, MN.
>
>
>
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