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| October 6, 2009, 3:36 pm |
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| Author |
KDL46V25L1 4 blinking lights |
ajkeil
Premium Member
Rank: Sony Fan
Joined: Nov 02, 2009
Posts: 2
From: Katy, TX
 |  Posted: 2009-11-02 18:29
I have a KDL46v25L1 TV showing the red light blinking 4 times. According to the manual I have a backlight failure. I don't see anything in the manual that shows me a backlight. I have the back cover off but no help. Can you tell me what I need to replace and where it's located? I'm new to the forum so any help will be appreciated.
[ This message was edited by: ajkeil on 2009-11-03 20:47 ]
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jttar
Moderator
Premium Member
Rank: Sony Master
Joined: Feb 28, 2003
Posts: 7651
From: Chicago, USA
 | Posted: 2009-11-02 21:37
ajkeil,
Greetings and welcome. Thanks for becoming a Premium Member!
Posting in the FAQ section of the forum is limited to Administrators and Moderators. I am moving your thread to the Television Troubleshooting section of the forum where it will have a better chance of being addressed by one of our TV techs.
Best of luck with your 4 blink problem.
Joe
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jehill
Premium Member
Rank: Sony Senior Advisor
Joined: Mar 13, 2003
Posts: 11045
From: Sewell, NJ
 | Posted: 2009-11-04 09:59
The back lighting is an integral part of the the LCD panel, meaning that the LCD panel may need to be replaced. Unfortunately, I am unable to locate Sony information on how to troubleshoot this issue. It could be that the actual problem is the power supply or inverter that powers the back lighting.
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ajkeil
Premium Member
Rank: Sony Fan
Joined: Nov 02, 2009
Posts: 2
From: Katy, TX
| Posted: 2009-11-05 20:13
Jehill,
Thanks for the response. Can you tell me where the inverter is located? I don't see it in the manual and I don't find a part number for it.
Jim
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jehill
Premium Member
Rank: Sony Senior Advisor
Joined: Mar 13, 2003
Posts: 11045
From: Sewell, NJ
| Posted: 2009-11-08 00:39
Unfortunately, it looks like the inverter is built-in to the LCD panel as well. The inverter appears in the block diagram along with the backlight in the Panel (FHD).
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