Brand: PHILIPS
Category: Electronics
Document Type: Manual
Language: EN
Manual for 21PT4457
Uploaded: Nov. 21, 2025, 6:20 p.m.
- Installation: Position the TV set, connect the aerial and power, then perform a quick installation. Set up program names, sort channels, and store them manually if needed.
- Operation: Use the remote control to switch between TV and radio modes, adjust picture and sound settings, access features like timer and teletext, and manage peripherals.
- Peripherals: Connect video recorders, other equipment, amplifiers, and headphones using the provided SCART and other connectors.
- Practical Information: Find tips for improving reception, troubleshooting common issues like no picture or sound, and information on cleaning the set.
Troubleshooting and error codes
| Problem | Possible Solution |
|---|---|
| Poor reception | Adjust picture using Fine Tuning, modify aerial orientation, ensure correct frequency band (UHF/VHF), switch NR to ON, check aerial connection, and system setting. |
| No picture | Press standby key twice, check aerial connection, choose correct system (p.5). Check euroconnector cables and aerial sockets. |
| Black and white picture | Select correct socket (S-VHS2 instead of EXT2), check recording standard (PAL, SECAM, NTSC). |
| Remote control not working | Check mode selector is on TV, replace batteries. |
| No sound | Modify System setting (p.5) if picture is present but no sound. |
| Teletext issues | Check Country setting (p.5). |
| Standby issues | Child Lock may be ON (p.7). Set goes into standby if no signal for 15 mins. |