[TechAssist] Re: sony tv KV-27S66 no video, led blinks nonstop

  • From: Kevin <kevintv@xxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sun, 13 Jun 2004 15:24:42 -0700

Check your picture tube.  Could be a weak gun.  Sony sets shut down the
video if the picture tube is weak.  HTH.  BTW what does OCP stand for?

Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx 
 

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Barry Scanlan
Sent: Sunday, June 13, 2004 3:06 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] sony tv KV-27S66 no video, led blinks nonstop

I'm  sorry if this message got sent twice... problem with this browser
based email. Anyway, I have a Sony KV-27S66 that was blinking the led 2
times....B+ OCP. After searching I found C641 was loading down the 12v
line.... down to 6v. I also found Q601 and Q603 were leaky in the PS
section. I replaced those also. The problem is, now with the new cap in
place, I have audio but no video and the led just blinks non stop. When
you first turn on the tv the relay kicks in and you can hear the HV and
the audio comes up but the led just keeps blinking and the picture does
not come on. I have checked all the voltages and they are fine except
one....TP504, it should be 200v but I have 156 volts.  I have spent a
lot of time on this and would appreciate a little help so I can move
on.... 

Thanks in advance,
Barry Scanlan
Engineering Dept.
WEHT-TV

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