Philips CEM5000/00 Service Manual page 35

TDA7419
3 Audio Processor Features:
Input Multiplexer
Mixing stage
Loudness
Volume
Bass
Middle
Treble
Spectrum analyzer
Speaker
Subwoofer
Mute Functions
Effect
4/30
QD / SE: quasi-differential stereo inputs, with selectable single-ended mode
SE1: stereo single-ended input
SE2: stereo single-ended input
SE3 / AC2IN: stereo single-ended input / DSO filter input
In-Gain 0 to 15dB, 1dB steps
internal offset-cancellation (AutoZero)
separate second source-selector
mixable to front speaker-outputs
2nd order frequency response
programmable center frequency (400Hz/800Hz/2400Hz)
15dB with 1dB steps
selectable low & high frequency boost
selectable flat-mode (constant attenuation)
+15dB to -79dB with 1dB step resolution
soft-step control with programmable blend times
2nd order frequency response
center frequency programmable in 4 steps (60Hz/80Hz/100Hz/200Hz)
Q programmable 1.0/1.25/1.5/2.0
DC gain programmable
-15 to 15dB range with 1dB resolution
2nd order frequency response
center frequency programmable in 4 steps (500Hz/1KHz/1.5KHz/2.5KHz)
Q programmable 0.5/0.75/1.0/1.25
DC gain programmable
-15 to 15dB range with 1dB resolution
2nd order frequency response
center frequency programmable in 4 steps (10KHz/12.5KHz/15KHz/17.5KHz)
-15 to 15dB range with 1dB resolution
seven bandpass filters
2nd order frequency response
programmable Q factor for different visual appearance
analog output
controlled by external serial clock
4 independent soft step speaker controls, +15dB to -79dB with 1dB steps
Independent programmable mix input with 50% mixing ratio for front speakers
direct mute
2nd order low pass filter with programmable cut off frequency
single-ended mono output
independent soft step level control, +15dB to -79dB with 1dB steps
direct mute
digitally controlled SoftMute with 3 programmable mute-times(0.48ms/0.96ms/
123ms)
gain effect, or high pass effect with fixed external components