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| Author |
KDF-60 XBR950 |
p296qf
Rank: Sony Fan
Joined: May 04, 2011
Posts: 2
From: USA
 |  Posted: 2011-05-17 13:27
My TV sounds like it is powering up and makes a low whirring sound but the screen never turns on. First, I get a flashing green "power/standby" light with a constant red "standby" light, then the green "power/standby" light turns off and I get a constant flashing red "lamp" light (I counted 11 until the TV powers down.
I have replaced the lamp numerous times in the past. When I look at the lamp, it does not look burned out. I have read that the problems sometimes is a "spark gap" related to the use of a non-Sony lamp. Is it worth trying a lamp exchange? Or is the problem larger, such as a broken driver ?? Someone please help!
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mbt_junkyard
Rank: Sonyphile
Joined: Sep 15, 2008
Posts: 659
From: EU
| Posted: 2011-05-17 15:16
If a lamp is defective, and thus not ignites, the output voltage of the ballast (or "lamp driver") raises too high.
On the ballast a spark gap is mounted in parallel with the lamp connections. If the output voltage raises too high, the spark gap ignites and drains the excessive voltage.
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claudio
Moderator
Premium Member
Rank: Ultimate Sony Reviewer
Joined: Aug 30, 2001
Posts: 2355
From: Rockville, MD
 | Posted: 2011-05-17 15:41
You might need to replace the lamp driver. How many hours do you have on that lamp?
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