Question about Sylvania Televison & Video
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Posted on Jan 02, 2017
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
4 blinks is bad backlight inverter. Download the service manual here:
Posted on Aug 22, 2009
I finally managed to solve this problem by unplugging everything - scarts - HDD cables - power etc and left it for an hour. When I turned it back on again the problem had sorted itself out.
Posted on Oct 01, 2009
Yes....this blinking code is a diagnostic fault code which is a good thing, you count the number of blinks and it tells you where the problem is.....you also can see it by pressing the buttons, DISPLAY,CHANNEL,5,volume - not + ,then power....In your case it blinks 5 times,its in the video out,you need a desoldering iron,solder,rosin core 60%tin and 40%lead...remove and replace these,Q761,Q705,Q732 on the C board also Q218,Q219,Q220 on the A board.hope this helps.......
Posted on Feb 26, 2010
SOURCE: TV will not turn on
Hey guys this one is a no brainer when you push power button AND STANDBY LIGHT COMES ON NEXT PUSH THE BUTTON ON THE LEFT NEXT TO POWER BUTTON AND WALLA IT TURNS ON
Posted on Mar 13, 2010
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