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The volume control logic circuit inside the TV [circuit board] is faulty. Contact any experienced service technician. This is not a user repairable fault.
On the TV-use your finger to adjust the volume level, about midway, then use the remote to shut off the tv, then turn on tv with remote. Volume level should be better! If still not loud enough...using your finger on the tv...turn up volume & repeat remote steps.
Since you have it hooked up to the stereo system, you need to go to on screen audio set up and turn off the TV built-in speakers (you will be listening the TV sound through your stereo system speakers), then go to the audio output set up and set it to 'variable' so the audio output of the TV's RCA audio out put will vary with the volume control of the TV (not all TV will alow this function), you will need to set the stereo volume to certain level (around 9~10 O'clock setting) since the sound coming from the TV will be controlled by the TV remote volume control. You can otherwise set the TV output to be at 'fixed' level, which means the sound output of the TV will not be controlled by the TV remote volume control, you will use the stereo remote volume control to adjust the sound level instead. I hope this is clear to you.
Are you using Comcast remote to control the TV? When you program the Comcast remote to control your TV, it will do two functions: on/off, and Volume control. The Comcast can also be programmed not to control the volume of the TV (TV volume will have to be set at about mid level manually, then the Comcast box will send out variable sound level to the TV), just on/off ONLY.
TV remote varies the TV amplifier drive - you are probably plugged into the "line" output of the TV (which is before the TV amplifier). Line out is a fixed level (your DVD preamplifier is controlled by the DVD remote).
Anyway, with the TV on - go to the home theater box and increase the volume there. Once you get that set, you should be able to use the Home theater remote to always control the volume for everything displayed on your TV (except channel changes)
dear, you have to check your +button whether it is holp the egde of your remote, open your remote and clean, and also check a button on tv for +volume button. there is a pulse condition sensed by the volume control stage. if you can manage do it, or take it to a technician.
try this..turn off ur tv by remote,press mute followed by 187 then power,if this work u shall see reset underneath the sub menu goto reset..the tv must turn off and on.donot explore other u might kill your tv!!
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