Simple Troubleshooting - Tesla 32K307BH Operating Instruction

Simple troubleshooting

Symptom
Snowflake speckle and
sound noise.
TV image is better, but
has noise.
No image. No sound.
TV image has stripes.
TV image has shadows.
TV has no sound.
Computer does not
display anything and
it does not prompt
any signal input, red
indicator LED twinkling.
Remote control distance
is short; it loses control.
Computer display is
faint.
Computer display image
does not fill the screen.
Noise Signals while
turning off.
Cannot operate this
device.
Cause
1. Antenna cable connector is loose,
cable is damaged.
2. Antenna cable type does not match.
3. Direction or position of antenna is
incorrect.
4. Signal is weak.
Antenna cable connector is loose,
cable is damaged.
Power plug is loose, or power supply is
not connected.
Signal is exposed to interference, such
as car, neon light, electric blower etc.
1. TV signal is reflected against a valley
or building.
2. Direction of antenna is incorrect.
1. Volume setting is too low.
2. Sound is muted.
Signal cable is loose or disconnected.
1. Receive window of remote control is
covered by objects.
2. The battery energy of remote control
is too low.
1. Adjustment is incorrect.
2. Display mode is incorrect.
1. Adjustment is incorrect.
2. Display mode is incorrect.
Electrical discharge while turning off.
Exterior influence, for example
lightning, static electricity and so on,
which can potentially interfere with
normal operation of this device.
Solution
1. Check if the antenna cable connector plug is
loose and if the cable is perfect.
2. Check antenna cable type (VHF/UHF)
3. Adjust direction or position of antenna.
4. Attempt to use signal amplifier.
Check if the antenna cable connector plug is
loose and check cable condition.
Check if the power cord is well connected.
Do not use electric blower around the device
and adjust antenna cable direction to reduce
interference.
1. Use high directional antenna.
2. Adjust direction of antenna.
1. Adjust volume to proper value.
2. Press "MUTE" key on remote control to
eliminate mute.
Check if the signal cable is loose or
disconnected, and reconnect it.
1. Remove objects obstructing the receiver
window of remote control.
2. Change batteries.
1. Use auto-adjustment function.
2. Use recommended mode.
1. Use Auto-adjustment function.
2. Enter "PICTURE" to adjust horizontal or
vertical position.
3. Use recommended mode.
It is normal.
First disconnect the power supply and reconnect
it after about 1-2 minutes, then turn on the TV
again.
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ENG