[TechAssist] Re: [TechAssist]UPDATE: Toshiba CF27C50/TAC9341 loses video after hot,has OSD
- From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 26 Apr 2004 16:11:29 -0500
Have found that the problem is around ICX01 ( TB1203AP) .That is a DAC that
controls the brightness, contrast etc.All the input pins on the jungle are
low,have lifted the .01 caps that leak. (c621,c623)
Can't find a pinout of this chip, not listed on Toshibas site Google has
one hit( Japanese)
anyone have any info on this?
Note: can sub voltage to brightness and contrast lines and get a B&W pix.
Country TV
Ron Miller
Inez, TX. 77968
----- Original Message -----
From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, April 25, 2004 7:06 PM
Subject: [TechAssist] Toshiba CF27C50/TAC9341 loses video after hot,has OSD
> Came in for inter. vert. resolderd bad connections after playing for 4
> hrs.lost video.
> It uses a TA8870AN for video pross can't find a datasheet on it anywhere.
> Set does have OSD and raster, video IC does not respond to freeze spray,
> need print or pinout of chip/tips.Thanks
> Country TV
> Ron Miller
> Inez, TX. 77968
>
>
>
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