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English
Chapter 5 - Other information
Password in Parental Control
 - The default password is 1234. You can change it to 
a new one.
 - The super password is 0423. If you forget your 
code, enter the super password to override any 
existing codes.
Troubleshooting
Please check the following list before requesting 
service.
There is no picture or sound.
•  Make sure the power cord is properly inserted in the 
power outlet.
•  Make sure the source type is set correctly.
•  Make sure the antenna is properly connected.
•  Make sure the volume is not set to minimum or the 
sound is not set to mute.
•  Make sure the headphones are not connected.
•  The TV may be receiving a signal other than from 
TV broadcasting stations.
Picture is not clear.
•  Make sure the antenna cable is properly connected.
•  Consider whether your TV signal is being properly 
received.
•  Poor picture quality can occur due to a VHS 
camera, camcorder, or other peripheral being 
connected at the same time. Switch o one of the 
other peripherals.
•  The ‘ghost’ or double image may be caused by 
obstruction to the antenna due to high-rise buildings 
or hills. Using a highly directional antenna may 
improve the picture quality.
•  The horizontal dotted lines shown on the pictures 
may be caused by electrical interference, e.g., hair 
dryer, nearby neon lights, etc. Turn o or remove 
these. 
Picture is too dark, too light or tinted. 
•  Check the colour adjustment. 
•  Check the brightness setting.
•  Check the sharpness function. 
Remote control does not work.
•  Check the batteries of the remote control. 
•  Make sure the remote sensor window on the TV 
front is not under strong uorescent lighting. 
•  Try to clean the remote sensor window on the TV 
front with a soft cloth.
If the above suggestions do not solve your technical 
issue, please refer to the warranty card for service 
information. 
Operating Conditions
Temperature 5°C - 35°C (41°F - 95°F)
Humidity 20 - 75% (non-condensing)
Storage Conditions
Temperature -15°C - 45°C (5°F - 113°F)
Humidity 10 - 90% (non-condensing)
Radio Information
•  Bluetooth
®
 transmitter frequency range:  
2402 - 2480MHz
•  Bluetooth
®
 transmitter power: 6dBm (+/-4dB)
•  2.4G Wi-Fi transmitter frequency range:  
2412 - 2472MHz
•  2.4G Wi-Fi transmitter power: 14dBm (+/-2dB)
•  5G Wi-Fi transmitter frequency range: 
 - Band 1: 5150–5250MHz
 - Band 2: 5250–5350MHz
 - Band 3: 5470–5725MHz
 - Band 4: 5725–5850MHz
•  5G Wi-Fi transmitter power: 14dBm (+/-2dB)
•  DVB-T/T2/C tuner frequency range: 50.5 - 858MHz
•  DVB-S/S2 tuner frequency range: 950 - 2150MHz
* Operation of 5150 – 5350MHz is restricted to indoor 
use only.
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OSS Notice
This product uses the GPL (Version 2 and 3) and 
LGPL (version 2.1) and MPL (version 1.1).
To send inquiries and requests for questions 
regarding open source, contact nearest TCL oce. 
This product uses some software programs which are 
distributed under the Independent JPEG Group.
This product uses some software programs which are 
distributed under the libpng Project.
This product uses some software programs which are 
distributed under the Freetype Project.
This product uses some software programs which are 
distributed under the zlib Project.
This product uses some software programs (libxml2, 
curl, expat, c-areas) which are distributed under the 
MIT.
This product uses CyberLink for C which is distributed 
under the Open Source Project.
This product uses opensl, xerces which is distributed 
under the Apach License Project.