Philips 7629 Service Manual page 33

3. In the normal user menu, use the MENU UP/DOWN keys to highlight the
PICTURE sub menu (if necessary).
4. Press the MENU LEFT/RIGHT keys to enter the PICTURE sub menu.
5. Use the MENU UP/DOWN keys to select SHARPNESS.
6. Press the MENU LEFT key to decrease the SHARPNESS value.
7. Press the MENU button on the remote control transmitter twice to exit the user
menu.
8. The new PERSONAL preference value is automatically stored.
Snowy picture
Enter CSM, by pressing the following key sequence on the remote control transmitter:
1-2-3-6-5-4
Do not allow the display to time out between entries while keying the sequence.
Check CSM line 5. If this line reads "Not Tuned," check the following:
Antenna not connected. Connect the antenna.
No antenna signal or bad antenna signal. Connect a proper antenna signal.
The tuner is faulty (in this case line 6, the Error Buffer line, will contain error
number 10). Check the tuner and replace/repair the tuner if necessary.
Black and white picture
If:
The picture improves after you have pressed the "Smart Picture" button on the
remote control transmitter