Instruction manual 12, Troubleshooting guide – Emerson EMTV21785 User Manual
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Instruction Manual
12
TROUBLESHOOTING GUIDE
Check the following guide for a possible correction to a problem before contacting customer service.
Symptoms Correction
No power
Verify the power cable to plug into an outlet with power.
No picture
Verify the connection from the DVD/VCR video output to the TV video input is secure.
Then switch TV to the appropriate Video mode.
Verify an antenna cable is securely connected to the RF in jack.
No sound
Connect the audio cables into the terminals securely.
Verify the connection from the DVD/VCR audio output to the TV audio input. Then
switch to the appropriate mode on the receiver. Refer to your audio amplifier owner's
manual.
Verify the volume is at an appropriate level and the mute feature is not on.
Make sure MTS feature is properly set.
No TV signal
Verify the TV is set to Antenna mode.
Make sure the antenna is securely connected to the RF in jack.
Unplug the TV from the wall for 30 seconds, then plug in and try again.
Unplug the antenna connection from the back of the TV, unplug the TV from the wall,
wait 30 seconds, then try again.
Stripe or purple interfe-
rence appears in the
screen.
Verify the speakers around the TV set are shielded.
Picture becomes
snowy.
Verify the antenna lead wire is in working condition.
Verify the antenna is connected securely to the RF in jack.
Picture with multi-image
Move the antenna around to minimize multi-images.
The video frequency radiated from TV station can be reflected by tall buildings, high
tower, etc.
TV channel not received
Make sure the Air/Cable setting is correct.
Channel may be locked with the block channel feature, such as Parental Control.
Check Add/Erase feature, as channel may have been erased during set up.
Black box appears on
screen.
Verify Closed Caption feature is off.
Remote control
doesn't operate.
Batteries may be weak. Replace batteries.
Make sure nothing is located between the remote and the remote sensor.
No stereo or foreign
language received.
Verify MTS feature is properly set.