Question about Sharp LC-32SB21U 32 in. LCD TV
A very easy way to check your TV remote control. See the remote controls transmitting LED ie. Infra red LED through your mobile phone's camera and press different keys on the remote control. If the remote is working you will see the IR led flashing on the mobile phone screen.
Posted on Jul 28, 2015
Be assured that fault does not lie with the remote handset itself. In that case repair or replace it.Remote control system has two parts. One is the remote hand set and the other lies within the TV or other device for which remote controller is being used. The hand set transmits commands in shape of singnals of particular frequency and pulses per second depending on the key pressed. The other part of the remote system lying within the TV receives, decodes and responds according to the commands received in shape of signals of particular frequency and pulses of paricular width and sequence. The remote controller uses invisible infra red light as the carrier of the signal. As the light moves in straight path, no obstacles should block straight line of sight path between the remote hand set (the transmitter) and IR sensor window (part of the receiver). Hence remove the blockage from the front side of the TV.Check if the IR sensor is not defective. Check if the associated circuit and components inside the TV are not defective.Check if the TV has any switch for selecting only manual mode and locking the remote mode.Hope, some sytematic exercise will bear the successful result.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
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