When the tv is first turned on I get video and audio then when I shut the tv off and turn it back on I only get audio no video the tv will remain like this for several hours or even a day or so then I can turn it on and the video and audio works again until I turn it off.
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There is a protection switch on the inside where the replacement bulb slides out, check to see if it is either tripped or not making connection, If that doesn't fix your problem, check and make sure that there is absolutely nothing on the bulb and/or the glass shield, also visually inspect the bulb for bulges or defects, if found replace the lamp or entire color engine.
all 3 leds on the front panel blinking = lamp error.
if the tv doesn't come on, it may not put sound to the speakers.
you need to focus on the error at hand.. does the tv come up and appear that it is running and not turning itself off (shutting down)?
if it runs and doesnt turn off, then the audio matters, otherwise focus on the other problems.. you won't have audio on certain inputs, etc, don't use that to troubleshoot unless your tv is running and not shutting down.
there is a code to reset the HDMI video, i think it is--hit Display on the remote, then sleep timer and video statice at the same time, then the number 2, then turn the tv off, after it shuts down all the way, turn it back on, should take care of it
if you know anything about the tv, take off the back and remove the power supply board. Reflow or resolder the solder points, takes like 2 hours, but is well worth it as my tv works fine now. make sure to use rosin core solder and good luck
If you have Hitachi model number 50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B and you have the following symptoms you may want to grab a repair kit from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix these models. This is a fairly common problem with the above model numbers. It is typically caused by a blown capacitor and pico fuse. Again, you can get a kit from the above address.
Here are the symptoms...
Primary Symptom: No Audio or Video. Power light will come on briefly then shut off. Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.
Sounds like a tuner section problem. When you are playing a DVD. You are only using the audio video circuit of the TV. Something like a monitor. But when you go back to TV mode... You are now in the tv tuner circuit. And your problem lays there. I had a mouse **** on my tuner section of my tv and it caused the same problem. Yes mice do ****...