[TechAssist] fix Magnavox RR2535W802, 25D500-00AA horiz sync intermit.
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 22 Mar 2004 20:55:52 -0500
I changed out three scan caps, C504,C505,C506.
I cannot say which was the culprit. I had a salvage chassis and just swapped
them
all. Wasted enough time already on this one. Thanks for directing me to the
area.
Interestingly, all three read normal values on a cap checker. You know scan
caps.
probably breaking down under load.
Phil Bader
Phil Bader wrote:
> Seems after warming up, the horizontal will flip to the side once
> quickly, or may bend horizontally intermittantly, more as it warms up.
> I "shotgunned the usual culprits, C431,C432 (3.3@200 and 100mfd@200v),
> The STR30130 and the TIP47 regulator. Soldered the two 2 watt rresistors
> next to the fly.
> No improvement.
> The STR30130 is dead on +130 VDC at the output, and still the left side
> of the raster is pulled in just a bit.
> Need some possibles on this one.
> Thanks,
> Phil Bader
>
> --
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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