Question about Sony Televison & Video
They were paired with a new transceiver model ZF-370 which is connected to my digital Sony TV, and worked fine except to much bass. Now when I turn them on they blink red 4 times repeatedly. and shut off.
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Posted on Jan 02, 2017
SOURCE: Sony SXRD Projection TV
This is a fan issue, most likely the large fan in the rear, lower left (from the back)...
Here's the fix, I promise, it's EASY........
Ok, I think I have the answer for the BIG FAN failure. I recently did a similar fix on the spindle of an xbox 360 and it is identical. Ok, this is an EXTREMELY EASY FIX...
Open the back of the tv, locate the large fan (on the lower left on the back of the set.) unscrew the screen and remove the fan.
Once the fan is removed, you will see the side with the model number and the other side is totally open.
On the open side, pull...
The fan will come off, into your hand, it is only held by magnets...
You will notice a spindle on the fan and the other side has the magnets and the hole where the spindle came from (this is the fan motor).
Clean both the spindle and the hole (motor) with a q-tip. The hole is smaller than the q-tip, but do the best you can to remove the old lubricant.
Get a bit of WD40 and lubricate the spindle and spray a touch in the hole.
Put them together, reconnect your fan, test it on startup and thank me...lol...
HOPE THIS HELPS!!!! IT WORKS, TRUST ME...
Posted on Oct 01, 2008
Hello,For model KV-40XBR800,
Pls check following area.
Low HV Shutdown:
On the D Board.
Check IC8004/pin 7 should be 7.4v.
Check IC8006/pin 2 should be 2.5v if lower will trigger shutdown by causing pin 1 to turn on.
Check IC8006/pin 3 reference voltage 2.2v.
IC8006/pin 1 normally at 0v. If high
turns D5007 ON which turns the latch circuit Q6532,
Q6530, and Q6527 ON and turns the AC relay RY6501 OFF.
And NOTE: 6 blinks also can be Low B+ protection.
Unregulated 7.5 v from the power supply to 5v reg IC504 on the A Board. 5v to M Board Q2314
to CPU IC2300/pin 43. If 5v missing set will shutdown with 6 blinks.
Posted on Oct 15, 2008
Please check Fans are running in your DLP Sony TV as 4 times blinks shows that any one of four fans is stopped or not running.
Posted on Feb 10, 2009
SOURCE: Red Light Blinks 4 straight imes
I have over 10 years experience in electronic tech support.
I know this isn't what you want to hear, but the problem you've described can't be fixed with troubleshooting. Your TV will have to be repaired. There is a part that has developed a defect and needs to be replaced. The 4 red blinks is similar to an error code. It represents what's wrong with the TV to a service tech who knows how to repair it. If you're still in warranty, the TV will be repaired at no charge to you. The warranty would likely be at least one year from the date of purchase from the manufacturer. If you purchased an extended service plan they will repair the TV at no charge as well.
If the TV is no longer in warranty, it will likely cost a minimum of $150 parts and labor. This is assuming that you only need a power supply module. If the problem is one of the video circuit boards, the price of repair could go much higher.
I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.
Please let me know if I can be of further assistance.
Posted on Jun 18, 2009
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