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JTS1957
Joined: 21 Jan 2009
Posts: 1331
Location: Far, Far Away
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 Posted: Mon Feb 01, 2010 10:14 pm Post subject: |
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I'm pretty sure amerillove was just parroting, but just in case...
Are you telling use there are MORE electrolytic capacitors on the CRT neck board than on the Main P.C. board? Most I can ever recall is about 18 - 24 max.
madmanmapper
wrote: | | .... Not worth the effort. Besides, it's probably something else causing it. |
About 75% of the computer monitors I repair require one or more, and in maybe 60% that is ALL that was wrong.
Afraid of getting your hands dirty? 
Last edited by JTS1957 on Mon Feb 01, 2010 10:24 pm; edited 2 times in total |
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madmanmapper
Joined: 17 Sep 2007
Posts: 16
Location: Chicago, Il, USA
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| Posted: Mon Feb 01, 2010 10:18 pm Post subject: |
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There's a lot of boards and a lot of caps. But if you say the crt neck board is all id need to check, I suppose I could.
BTW about the dirty hands - I'm a mechanic by trade (but I wear gloves :P ) |
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JTS1957
Joined: 21 Jan 2009
Posts: 1331
Location: Far, Far Away
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| Posted: Mon Feb 01, 2010 10:26 pm Post subject: |
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Post/edit crossed in the mail.
I'm presuming: That board IS where the INPUT wire is going? And where the video processing IC is mounted? |
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madmanmapper
Joined: 17 Sep 2007
Posts: 16
Location: Chicago, Il, USA
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| Posted: Tue Feb 02, 2010 7:51 pm Post subject: |
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eh.... I don't know, this monitor has 4 or 5 boards and all of them have tons of caps...
So how do you test a cap anyway? |
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JTS1957
Joined: 21 Jan 2009
Posts: 1331
Location: Far, Far Away
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| Posted: Tue Feb 02, 2010 9:05 pm Post subject: |
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I use a Sencore LC102 for testing out of circuit and a MAT in circuit ESR tester for initial test (realizing the limitations of the MAT tester - a parallel component MAY affect the test, for example). Also have a Fluke for value only testing of capacitor.
I've seen the cheaper meters miss caps that the expensive one finds bad, but only a time or two have I had the expensive tester say cap is good when in fact it's bad.  |
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