Sony CDX-MP80 Service Manual page 42

CDX-MP80
IC305 TDA7406 (MAIN Board)
33 32 31 30 29 28 27
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
CDL 40
CDR 41
MDR 42
MDL 43
XR L 44
1 2 3 4 5
IC653 LB1930M (MAIN Board)
IC654 LB1930M (MAIN Board)
VCC 1
BUFFER
NC 2
FIN 3
CONTROL
CIRCUIT
4
RIN
BUFFER
SGND 5
42
26 25 24
MIXER
SOFT STEP SOFT STEP MONO
FADER FADER FADER
SUB
WOOFER
FILTER
SPECTRUM
ANALIZER
BEEP
MIXING
SELECTOR
INPUT MULTIPLEXER
6 7 8
NC
10
9 OUT1
MOTOR
DRIVE 8 NC
CIRCUIT
7
OUT2
6 PGND
II
C-BUS
HIGH OUT
DIGITAL
CONTROL
S & H
25kHz
LP
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
PILOT
CANCELLATION
PAUSE
86kHz
LP
STD
IN GAIN
9
IC902 RRX9000-0601#1 (KEY Board)
L IN GND A V IN
16 15 14
INPUT 320kHz
320kHz
SLAGE /500kHz
BANDGAP
REFERENCE
1 2 3 4
L IN GND V STBY VCC NC
L
23
CREF
SUPPLY
QUAL.
A/D
PULSE
FORMER
AM/FM
NOISE
BLANKER
MULTI
PATH
DETECTOR
PIL, DET
PLL
10 11
V AGC
13
NOISE
SUPPRESSION
AGC
PULSE
FORMER
5 6 7
NC VPO
22 VDD
21 SACLK
20 SCL
19 SDA
18
DGND
17 SM
16
QUAL
15 MP OUT
14 MP IN
13
LEVEL
12
MPX1
GND
LNS C VCO NC
12 11 10 9
PULSE
COUNTER
8
NC