[TechAssist] Sanyo DS25590 (ch# DS25590-01) OSD characters vibrate up/down after another fix
- From: Phil Bader <philbad@xxxxxxxxxx>
- To: "techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 May 2002 15:08:48 -0400
First this Sanyo DS31590 TV was at another shop and the main smps
chopper reg transistor Q601 was changed with a wrong part. Replaced it
several times,but regulator blew at plug in. Found a bad flyback was
fault. Ordered orig. flyback and regulator,installed both, now picture
perfect but the OSD "bounces" up and down (vibrates severly).The channel
number as well as the menu.Is there a character generator causing this?
Maybe a sync pulse to the OSD circuitry is incorrect? Need specific info
here. Customer antsy. This is for a fellow shop that has really helped
me (and us all,as I submit his fixes,too)This seems similar to the
DS25590 and DS27590 TV's.-Phil Bader
--
Philip Bader, Jan Phyl TV Inc.
3420 Recker Hwy,Winter Haven, Fl. 33880
voice/fax: 863-299-8821
Established 1976
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