[TechAssist] Re: ctc 169HA osd problem 2nd post
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 3 Sep 2003 12:45:57 -0400
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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RCA CTC169
<PIP Bypass> Sync Or Video Problem On Black Stretch (Bypass Pip)
Arundel Tv, Courtesy Of Scott @ Burgio'S Tv
Jump Pins 7,8 And 13 Together.
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RCA CTC169
Video Is Gray / Out Of Sync / Tadpoles
Cause: Bad Comb Filter Ic (U2601)On Main Board, Bad Fast Switch Ic (U8003)
In D-Pip Module
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RCA CTC169GC
Dark Raster With Floating White Sync Bars And Dots
Blue Ribbon Tv & Computers
Replace U8901 In Pip Module
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RCA CTC169GN
Picture poor ,Colors Smear, Floating Bars In Pic, Sometimes Loses Sync
Bay Electronics Inc.
Change All 10mf Caps In Pip Can. Most Are@50v Some@25v,10v
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=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
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----- Original Message -----
From: "D Trippel" <dtrippel@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 03, 2003 1:12 PM
Subject: [TechAssist] ctc 169HA osd problem 2nd post
> Hello everyone
>
> I'm working on a ctc 169ha. The osd appears to be out of sync. (just
> horizontal lines) I replaced cr 4118 and c 4145. The voltages on Q4702
> and Q4703 are normal. The voltage on pin19 of U10001 is only 2.65v my
> schematic shows it should be 4.85v I lifted pin 19 ,no change. r2908
> and r3331 are good . the voltage on pin 21 of u3101 is 4.7v c3317 is
> also good. I have spent alot of time on this one, but I am not sure
> where else to look. Any help would be greatly appreciated. Thanks!
>
> Don Trippel
> Don's electronics
> Rosthern , Sask
> Canada
> 306-232-5346
>
>
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