[TechAssist] Re: PTK195 - Black Bar in Picture??
- From: "Moutons Electronics L.L.C." <moutons@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 1 Jul 2005 16:04:05 -0500
I have seen the resistor network (blue resistor with about 6or8 legs
location RNxxxx) near the vertical IC cause this and the vertical IC itself.
Mostly has been the resistor network.
Jason
Moutons Electronics
----- Original Message -----
From: "Danny Garris" <dgarris@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, July 01, 2005 3:21 PM
Subject: [TechAssist] PTK195 - Black Bar in Picture??
> What: 52" Big Screen TV
> Make: RCA
> Model: P52820BL
> Chassis: PTK195DB
>
> Problem: After 25 min warm-up the picture will have (1) "Black bar"
> appear
> in the screen and slowing moves from bottom to center of picture. This
> vertical (going from left to right) "black bar" is about 2-3" tall and
> would
> appear at the bottom of screen and slowly move up to the center of the
> screen.
>
> Yesterday I looked up this type problem on my WINStips program and I found
> a
> tip that suggested replacing R14705 (1.0 ohm) (1/4 W) I replaced this
> resistor and now after warm up I have (2) "black-bars" appear in the
> picture
> after warm up.
>
> Anyone seen this problem?
>
> Danny Garris
> Garris Radio & TV
> New Bern, NC
> dgarris@xxxxxxxxxxx
>
>
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