Philips CEM5000/00 Service Manual page 47

TDA7419
5.8.2 Center Frequency
Figure 18 shows the four possible center frequencies 10k, 12.5k, 15k and 17.5kHz.
Figure 18. Treble Center Frequencies @ Gain = 15dB
2 0
1 5
1 0
5
0
5
1 0
5.9 Subwoofer Filter
The subwoofer lowpass filter has butterworth characteristics with programmable cut-off frequency (80/
120/160Hz)
Figure 19. Subwoofer Control
16/30
1 0 0
1 K
1 0 K