Philips 42HFL5682D/F7 - Control and Performance Settings; Control: Timeout, Entry, Tuning, CEC; Control: Energy Saving, Standby; UI Customization and Programmable Features

Service Modes, Error Codes, and Fault Finding
EN 24 TPB1.2HU LA5.
2011-Mar-11
5.4 Fault Finding and Repair Tips
5.4.1 Speakers
Make sure that the volume is set to minimum during
disconnecting the speakers in the ON-state of the TV. The
audio amplifier can be damaged by disconnecting the speakers
during ON-state of the set!