[TechAssist] Re: Sony KV27V10 - SCC-F840A; contrast poor, pix milky (2nd request)
- From: "Larry E" <videotech@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 25 Jan 2005 19:14:13 -0500
Kenny, check on the "C board" D1792 3.9 volt zener and Q1790
2SA1309A there both part of the IK circuit and may be your
problem. I`m assuming you have audio? Did you have to turn up
the G2 to get a raster? Could also be a problem with the 200 volt line?
I hope this helps, Larry E
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
----- Original Message -----
From: "Kenny Barnes" <kennyb@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, January 25, 2005 4:54 PM
Subject: [TechAssist] Sony KV27V10 - SCC-F840A; contrast poor, pix milky
(2nd request)
> Sony KV27V10, chassis SCC-F840-A (SAMS 3454) - poor contrast,
> milky. Resistor 701 ok. Pix tube 100% ok. Voltages on Q711, 751, 731,
> 771, 773, & 772 all ok. IC301 is chroma jungle. Could this be the
> problem? TIA Kenny
>
> Kenny Barnes
> Kenny Barnes tv
> 928 South Marshall st.
> 5154325250
> Boone, Iowa 50036
>
>
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