[TechAssist] Re: JVC 35BP5 no vertical troubleshoot questions
- From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 11 Jan 2002 11:41:19 -0500
Sometimes I turn the screen down and hook up a yoke from the boneyard to see
if the deflection will run. If it does, then I know I probably have a yoke
problem. Sometimes the ring test is inconclusive.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: <Seawarthog@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, January 10, 2002 4:11 PM
Subject: [TechAssist] JVC 35BP5 no vertical troubleshoot questions
>
> Hi Gang,
> Found ic421 la7845 blownout and r522 3.3 ohm open. Checked d522 is ok.
> Have 27v. on chip and vertical drive. Replaced these and still have
problem.
> Yoke rang bad but when separating individual windings in vertical yoke
they
> all test good 10 rings. Anyone have input on use of sencore ringers like
this
> using cm2125. Can I disconnect yoke and test without blowing hot? Ant
tips?
> Thanks, Briant
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