Key facts
- Brand
- TCL
- Model
- NT21B68
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-03-21
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TCL NT21B68S Television User Manual
This manual covers the TCL NT21B68S color television, highlighting its program navigation, calendar, world clock, timer, and game functions. It also lists the supported video standards (PAL, NTSC, SECAM) and input options such as DVD component, audio, and antenna connections.
The document provides step‑by‑step instructions for powering the TV on and off, searching for channels automatically or manually, adjusting picture settings (brightness, contrast, color, sharpness), configuring audio (volume, smart volume), using the built‑in games, and diagnosing common faults such as no signal or abnormal sound. This manual is written in Chinese.
TCL NT21B68 specifications
| Voltage Range | 180‑250 V 50 Hz |
|---|---|
| Weight | 22.5 kg |
| Dimensions (W×H×D) | 40 mm × 108 mm × 496 mm |
All TCL NT21B68 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I adjust picture settings?
Enter the picture menu (often labeled “Picture” or “图恤”) and use the remote to modify brightness, contrast, color, sharpness, and other picture parameters.
What should I check if there is no picture or sound?
Verify that the power is on, the antenna or input cable is securely connected, and that the TV is set to the correct input source.
How can I perform an automatic channel search?
Press the “Auto Search” button on the remote or select the auto‑search option in the menu; the TV will scan and store available channels.
How do I adjust the volume?
Use the volume up/down keys on the remote or the TV panel; the on‑screen display shows the current level.