Sony CDX-L550X Service Manual page 29

IC401 TDA7406T
33 32 31 30 29 28 27
MIXER
SOFT STEP
FADER
OUTPUT SELECTOR
34
SWIN
35
ACINR
36
ACOUTR
37
SWACOUT
38
AC OUTL
HIGH PASS
7BAND
EQUALIZER
39
CREF
SOFT STEP
VOLUME
SOFT MUTE
LOUDNESS
IN GAIN
+ AUTO
ZERO
MAIN SOURCE
SELECTOR
CDR 40
CDL 41
MDR 42
INPUT MULTIPLEXER
MDL 43
TAPEL 44
1 2 3 4 5
26 25 24
SOFT STEP SOFT STEP MONO
FADER FADER FADER
SUB
WOOFER
FILTER
SPECTRUM
ANALIZER
BEEP
PAUSE
MIXING
SELECTOR
6 7 8
23
CREF
II
C-BUS
QUAL.
HIGH OUT
DIGITAL
CONTROL
S & H
25kHz
LP
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
PILOT
CANCELLATION
PIL, DET
PLL
86kHz
LP
STD
IN GAIN
9 10 11
CDX-L550X/L570X
22
SUPPLY VDD
21 SACLK
20 SCL
19
SDA
18
GND
17 ATT
16 QUAL
A/D
PULSE
FORMER
AM/FM
NOISE
BLANKER
15 MP OUT
MULTI
PATH
DETECTOR
14
MP IN
13 LEVEL
12
AUX1
29