Panasonic TC-L37U3 User Guide

Support Information

Frequently

Asked Questions

Questions

Answers

Sound

Other

Why is there no sound coming
from the TV?

Make sure the volume is up and MUTE is off.
Confirm the TV speakers are set to ON by pressing MENU

and selecting “Audio” --> “Advanced audio”. (p.32)

Check that the correct SAP (Secondary Audio Program) is selected

by pressing the SAP button on the remote control. (p.15)

If the TV is connected to a Panasonic Home Theater via HDMI

cable, then check VIERA Link controls. (p.22)

If the TV is connected to a Home Theater via optical cable,

then: Check the connection, the audio system is on, the
correct input is selected.

Check “HDMI 1 in”, “HDMI 2 in” or “HDMI 3 in” analog/digital

audio settings. (p. 32)

Why is the sound unusual,
distorted, low volume or in
another language?

Check that the correct SAP (Secondary Audio Program) is

selected by pressing the SAP button on the remote control.

Check that all connections of external equipment

connected to the TV are secure.

When using Cable or Satellite box, check the device’s audio

settings. (example: try changing the box’s Audio Range to ‘narrow’)

Why is there a clicking, ticking
or buzzing sound coming from
the TV unit?

When TV power is turned on or shut off there are electrical

components that make a click sound. This is normal operation.

Changes in the temperature and humidity of the room may

cause thermal expansion and contraction that can produce
sounds. This is not a sign of faulty operation or a malfunction.

What is the easiest and best
way to connect a High-Definition
Cable or Satellite box to the TV?

Use an HDMI cable. It carries both digital video and audio

signal in HD. HDMI cable is the only cable needed to
connect an HD device to the TV.

Why is there no yellow jack
(video input) on the back of the
TV?

The Video input is shared with the Component input. Just

connect the yellow plug into the green jack. Be sure to
connect the red and white audio plugs into the appropriate
red and white audio inputs. (p. 10)

Why does the CC button not
display Closed Caption?

When viewing TV via an HDMI connected device, such as

a Cable or Satellite box, CC must be enabled at the device.

Closed Caption is available only at supported TV programming.

Why does the screen and back
cover of the TV get warm?

The main unit radiates heat and some of the parts may

become hot. This is normal operation and does not affect
the performance of the set.

Ensure good ventilation.
Do not block the ventilation holes of the TV and do not

place the TV on top of other equipment.

Why doesn’t the Remote
Control work?

Check that the batteries are fresh, are of the same type

and are installed with the correct polarity (+ & -).

To operate other devices, such as changing channels when

using Cable or Satellite boxes or operating non-Panasonic
Blu-ray players, use the remote supplied with the device.

Why is the “ANT/Cable” option
at the top of the “Input select”
menu gray-out and cannot be
selected?

During “First time setup”, step 3, you indicated that the

“Antenna/Cable in” connector is “not used” (p.13). This is the
proper setting if the TV is connected to a Cable or Satellite
box via any of the other inputs. To re-activate the “ANT/
Cable” input, press MENU, select SETUP and then redo the
First time setup, selecting Cable or Antenna in step 3.

Some menu items are grayed-
out and cannot be selected.
Why?

Depending on certain modes or the selected input, some

options are not available. For example, Zoom adjustments are
only available when the FORMAT is changed to zoom mode.

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