Question about Sony KDL Televison & Video
KDL40Ex700 freezes and reboots on "extra subscription channels". Reboot is never complete, ie: can not hear the proper "click" coming from within the TV. Only way to give a proper reboot is to wait 5-10 minutes with TV off or use the hard switch on the side. Getting bonkers, can't watch shows without having to wait for a restart of the telly every 5 minutes. Does not happen with standard diital channels or peripherals such as PS3, PC, etc
Do a reset to this TV, and then check. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts.
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
Posted on Jun 29, 2017
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Posted on Jan 02, 2017
Issue was with the HD channels only.
Updated the firmware of the TV to ver 2.
Now the TV will stutter for a second when changing to a HD channel but it no longer locks up.
Posted on Feb 17, 2008
The problem your describing can be contributed to your cable box. Depending on your cable company there are times when the box has trouble translating the signal to the tv. You tv is operating normally. Suggest to the cable company to switch your box.
Posted on Dec 07, 2008
SOURCE: BLUE HAZE
This is not a light engine problem as stated above. It is an expensive repair. $650 to $1000 for the part depending on the model of your TV plus $300 for labor. The problem with blue haze is well known on all Sony LCD TV's made after 2003. The part that is defective is called the "Optical Block". I have the same problem on my TV that started yesterday. Here's the link to repair it yourself. Best advice, junk the TV and buy another. Not worth doing a $1200 repair on a unit that costs the same as a brand new one these days.
Hope this helps. Remember, this repair is time consuming and complex. Good Luck.
Posted on Sep 14, 2009
It can be as simple as the unsteady DC in the power supply or failing main logic board. Look at the power supply first since you may be able to spot bad DC filter caps (caps can look OK but may have high ESR which you will need special cap meter to find out).
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Please post back what you find.
Posted on Jul 24, 2010
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