[TechAssist] Re: Daewoo TV DTQ-26S1FC chassis CN-200i black bar left side of picture

  • From: "Webster TV" <webstertv@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sun, 20 Jul 2003 21:39:30 -0500

Gary,

Check C411(33m-160v), located off of Boost pin of  flyback.

                            Dan Webster
                            Webster's TV
                            Shullsburg, Wi.
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, July 17, 2003 4:37 PM
Subject: [TechAssist] Daewoo TV DTQ-26S1FC chassis CN-200i black bar left
side of picture


> This Daewoo TV DTQ-26S1FC chassis CN-200i has a 4" wide black bar down
> the whole left side of the screen. I have replaced the following parts
> as per the suggested fix but the result is the same.
>
> R420, 1.8k, 1W
> R516, 10k trimmer
> D504, 1N4148
> C505, 1000pF 100V
>
> C406, 1uF 160V (located near a coil and recommended to be changed
> because of known dead set symptoms)
>
> The trim pot doesn't affect the picture any, but I have tested it in
> circuit to make sure it does vary from zero to 10k ohm. What is the
> purpose of R516? Is it the horizontal width control? Also tested nearby
> diodes.
>
> Thanks for any help.
> --
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: gary (at) number63.ca
>
>
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