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read the instruction manual and see how to operate. if the timer is for to sleep, the problem will be the IC associates with him, you must see the block diagram and w.diagram. and tracking the signal. go to www. retrevo.com and download the diagram. God bless you
3-blinks by the SONY TV error code indicates that there is an audio circuit problem, ether is a shorted audio amp IC on the main board, or the power supply that supply the power to the audio amp section is defective.
TV won't turn on • Press the TV button. Make sure the TV is plugged in.• Check the wall receptacle (or extension cord) to make sure it is "live" by plugging in something else.• Something might be wrong with your remote control. Press the POWER button on the front of the TV. If the TV turns on, check the remote control solutions on page 26.• The front panel controls may be locked (disabled). Use the remote control to unlock the front panel controls by selecting the Lock Fr. Panel in the PARENTAL CONTROL menu and press OK (box won't have check mark).Buttons don't work • If you're using the remote control, press the TV button first to make sure the remote is in TV mode.• The front panel controls may be locked (disabled). Use the remote control to unlock the front panel controls by selecting the Lock Fr. Panel in the PARENTAL CONTROL menu and press OK (box won't have check mark).• Unplug the TV for two minutes and then plug it back in. Turn the TV on and try again.TV turns off unexpectedly • Sleep timer might have been activated. Go to page 24 for instructions.• KidPass might have been activated. Go to page 21 for instructions.• Wake-Up timer turned on the TV and no remote or front panel buttons were pressed for two hours.• Electronic protection circuit may have been activated because of a power surge. Wait 30 seconds and then turn on again. If this happens frequently, the voltage in your house may be abnormally high or low. • Unplug TV. Wait five minutes. Plug it in again.
I have a dual monitor system, both are the x223w. Same problem but only on the second monitor. Backlight shuts off.On/off light stays blue. I have to turn off the monitor and turn it back on. I returned it and Acer could not find any problem so I got it back. No problem for awhile and now a few times over the past couple days. Not good...
Make sure your filter screens are kept clear.
Protect Components from Overheating
• Don’t block ventilation holes on any of the components. Arrange the components so that air can circulate freely.
• Don’t stack components.
• If you place components in a stand, make sure you allow adequate ventilation.
• If you connect an audio receiver or amplifier, place it on the top shelf so the heated air from it won’t flow around
Hope this helps!. Otherwise in your owners manual, under troubleshooting it states:
TV turns off while playing
• Sleep Timer, Wake-up Timer, or Watch feature may have been activated. Go to page 45 or 69 for instructions.
• Electronic protection circuit may have been activated because of a power surge. Wait 30 seconds and then turn on again. If this
happens frequently, the voltage in your house may be abnormally high or low.
• The sleep timer may be set.
• Unplug. Wait five minutes. Plug in again.
Hope this help you out.
Is the on time the same every incident? If you restart it, does it start right away and stay on the same amount of time?
If identical, sounds like the sleep function is not truly disabled. If you haven't tried turning the sleep function off and back on again, and unplugging the unit for a day and then plugging back in, and resetting to factory defaults (if that's on the menu), try them because those things might reset it.
If not identical, then I would suspect something thermal - heats up and shuts down. That would take a tech to solve (unless you set it in front of an air conditioner!).
Can you set the sleep timer, or does it just stay at the 4:59? Try setting the sleep timer on, if possible, to something different than the 4:59 and let it shut off. Then turn it back on and see if you adjust the sleep setting from ON to OFF. If this doesn't work, try unplugging the TV for 24 hours and plugging it back in. This should reset the TV.(fingers crossed!) I am not familiar with this brand of TV, but if this fails to work, you can contact the manufacturer and speak with a tech. to see what your options are. Hope this helps...