Samsung UN65KU7500 E-Manual page 80

The problem
The remote control and/
or voice control does not
work.
The Broadcasting has
been deactivated.
The settings are lost after
5 minutes or every time
the TV is turned off.
There is an intermittent
loss of audio or video.
There are small particles
on the TV's bezel.
The PIP is not available.
A POP (TV's internal
banner ad) appears on
the screen.
The TV is making a
popping noise.
The TV is making a
humming noise.
The TV ships with protective stickers covering some of the sensors. Make sure all
of the stickers have been removed.
Broadcasting is only available when the
The Broadcasting cannot be accessed while you watch TV using a cable or satellite
box.
The Broadcasting cannot be accessed while a recording is in progress or the
Timeshift function is running.
If the Usage Mode is set to
automatically reset every 5 minutes.
Change the Usage Mode
Mode) to Home Mode.
Check the cable connections and reconnect them.
Loss of audio or video can be caused by using overly rigid or thick cables.
Make sure the cables are flexible enough for long term use. If you are mounting the
TV to a wall, we recommend using cables with 90-degree connectors.
This is part of the product's design and is not a defect.
PIP is available only when an external device is connected with an HDMI or
Component cable. Note that the function is unavailable when the Smart Hub is
active or the Sports Mode
"
This function is not available in the U.S.A. and Canada.
Change the Usage Mode
Mode) to Home Mode.
The expansion and contraction of the TV's outer casing may cause a popping noise.
This does not indicate a product malfunction. The TV is safe to use.
Your TV utilizes high-speed switching circuits and high levels of electrical current.
Depending on the TV's brightness level, the TV may seem slightly noisier than a
conventional TV.
Your TV has undergone strict quality control procedures that meet our demanding
performance and reliability requirements.
Some noise coming from the TV is considered normal and is not an acceptable
cause for an exchange or refund.
Try this!
Source is set to TV.
Retail Mode, the TV's audio and video settings are
( Settings System
is On.
( Settings System
Expert Settings Usage
Expert Settings Usage