Question about Samsung TXN2771HF 27" TV
Remote control will Not turn TV ON, but once TV is Manually turned on, the
remote will operate ALL unit functions..also, randomly, when tv is manually
turned on, the volume(s) and channel(s) settings will cycle from lowest to
highest until manual intervention on the front panels causes condition to
Sounds like the 5 volt supply is low, Look for the 5 volt regulator, Measure you can go directly to the sensor 3 pins 1 will be 0 volts one will have 5 volts the other is usually a fluctuating 3-5 volts if 1 pin has to have 5 volts if it is low check capacitors around the 5 volt regulator probably 47uf to 100uf look for rusty look on the leads. If you see it change it! check these voltages with set turned off ( standby ) do not attempt if you dont know what your doing. Good luck. The reason it works when it is on is because there is a run 5 volt supplement.
Posted on Jun 21, 2008
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Posted on Jan 02, 2017
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Apr 04, 2011 | Sharp Aquos LC-42D62U 42 in. LCD HDTV
This only takes about a minute and will restart 1 in 3 "Dead" Original Remote Controls.
Step 1- Pull the batteries out of the remote and leave them out until Step 4.
Step 2- Press and release each and every button one at a time on the remote control until every button has been pressed and released at least once!
Step 3- If your remote has slide switches, you must move the switch to
each position then repeat the button pushing in Step 2.
(When you're done, be sure to put the slide switch in the correct position to operate the unit the remote came with!)
Step 4- Put the batteries back into the remote, being very careful to install them correctly.
New batteries should be used if you're not sure about the old ones.
Step 5- Try the remote.
If you have a digital camera, camcorder or camera phone you can test the remote to see if it is emitting a signal. Face the remote towards the lens of the digital unit until you can see the front of the remote. Depress any button on the remote. You should see a light (steady, blink or flashing) being emitted from the remote.
If you do then the problem might not be the remote but the sensor on the set.
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