[TechAssist] Re: Sony KV27FS12 - shuts down
- From: "KENNETH BARNES" <KENNYB928@xxxxxxx>
- To: "techassist" <techassist@xxxxxxxxxxxxx>
- Date: Sun, 8 May 2005 22:11:51 -0500
Sony KV27FS12 - still have a problem. 4 blinks. Set came into shop dead.
Replaced HOT. It then blew two HOT. Changed flyback (bad) and installed new
flyback, another HOT and changed vert IC502. Hi voltage is normal. B+ on HOT
is 134V. All voltages on IC502 are normal. When you plug TV into AC it comes
on for 6 - 8 seconds then shuts down - cannot turn off TV with power button.
Once it shuts down, you can make it come on by pushing power button, then it
shuts down in 6 to 8 seconds. By turning on enough times, you get a horz line
in pix, slightly above center of pix.
Also D501 and D504 are ok. D620 & D616 are OK. Ring yoke is ok. Changed
IC702. 200V source is normal.
What have I missed? Appreciate any help with this one.
Kenny Barnes TV
928 S. Marshall St.
Boone IA 50036
Ph. 515 432 5250
Email: KENNYB928@xxxxxxx<mailto:KENNYB928@xxxxxxx>
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