Philips 43PUS6412/12 Service Manual page 17

Public Broadcasting Service password Reset.
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 etc.
How to Activate the Factory mode
To activate the Factory mode, use the following method:
 Press the following key sequence on the remote control transmitter: from the "menu/home" press "1999", directly followed by the
"Back/Return" button. Do not allow the display to time out between entries while keying the sequence.
After entering the Factory mode, we can see many items displayed, use the UP/DOWN keys to display the next/previous menu items
Factory mode overview
How to Exit the Factory mode
Use one of the following methods:
 Select EXIT_FACTORY from the menu and press the "OK" button.
Note: When the TV is switched "off" by a power interrupt, or normal switch to "stand-by" while in the factory mode, the TV will show up in "normal
operation mode" as soon as the power is supplied again. The error buffer will not be cleared.
4.4 Customer Service Mode (CSM)
Purpose
The Customer Service Mode shows error codes and information on the TVs operation settings.The call centre can instruct the customer (by
telephone) to enter CSM in order to identify the status of the set.This helps the call centre to diagnose problems and failures in the TV set before
making a service call.
The CSM is a read-only mode; therefore, modifications are not possible in this mode.
Specifications
 Ignore "Service unfriendly modes".