[TechAssist] Re: kv27fs12 shuts down after 9 sec.
- From: "Damon" <damon101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 15 Apr 2005 23:31:28 -0500
Well first, check your vert output signal, and do you get any blink codes???
I think the +/- 15 V supply comes from the IHVT for the vert, so if you
don't have vert, check the resistors around the IHVT.
If this isn't the problem, only thing I can suggest next is to check heater
and 200V supplies to CRT, if they are there at the CRT, see if you can
repeatedly fire the TV up to warm up the CRT and turn up the screen to see
if that will help lead you in the right direction.
Damon Brunger
Telrad Electronics
Fort Wayne IN
----- Original Message -----
From: "KENNETH BARNES" <KENNYB928@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, April 15, 2005 10:15 AM
Subject: [TechAssist] kv27fs12 shuts down after 9 sec.
> Sony Model KV27FS12, shuts down. Original problem dead. Replaced
Q505,then set turned on by itself and hi voltage 29kv, shut down in 8 to 10
sec. Then took out Q505. Removed flyback, would not ring (bad). New
flyback installed. Hi voltage now 30 kv. Q505 runs cool. B+133 from
SWPS, other voltages from SWPS 12.64 and 14.1 Set still shuts down in about
8 to 10 sec. Also, before shut down, can't turn tv off manually
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> Kenny Barnes
> Kenny Barnes TV
> 928 S Marshall St.
> Boone, Iowa
> 50036
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