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55
CDX-M620/M670
IC305 TDA7406TR
34
35
36
37
38
39
40
41
42
43
44
33 32 31 30 29 28 27 26 25
24 23
22
21
20
19
18
16
15
14
13
12
1 2 3 4 5 6 7 8 9 10 11
INPUT
MULTIPLEXER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
SECOND SOURCE
SELECTOR
MAIN
PHONO
MAIN CH0 AUX
AM
FM
IN-GAIN
+AUTO ZERO
+
LOUDNESS
SOFTMUTE
VOLUME
TREBLE
BASS
HP
LP
COMPANDER
VOICE
BANDPASS
MUTE
IN-GAIN
LOUDNESS
DIGITAL CONTROL IIC-BUS
HIGH-CUT
S&H
25kHz
LP
DEMODULATOR
+STEREO ADJUST
+STEREO BLAND
MULTIPATH
DETECTOR
D/A
CONVERTER
PILOT
CANCELATION
PIL DET
PLL
AM/FM
NOISE BLANKER
BEEP
80kHz
LP
17
PULSE
FORMER
QUAL
SUPPLY
SECOND
MAIN
ACIN
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
SUBWOOFER
+PHASE
CONTROL
MIXER
OUTPUT
SELECTOR
FRONT
REAR
SW
VDD
SCL
SDA
GND
EXT-ATT
QUAL
MPOUT
MPIN
S-METER
MPX
AMIF
SEL
SER
FD1L+
FD1L–
FD1R+
FD1R–
FD1L+
FD1L–
FD1R+
FD1R–
AM
ACINLF
SWINR
SWINL
ACOUTR
ACOUTL
CREF
MUX
MD1
MD1G
MD2
MD2G
ACINRL
ACINRF
ACINRR
OUTLF
OUTLR
OUTRF
OUTRR
OUTSWL
OUTSWR
OUTSSL
OUTSSR
IC62, 901 RRX9000-0601
16
1 2 3 4 5 6 7 8
15 14 13 11 1012 9
V IN
L IN GND V STAB VCC NC NC VPO NC
GND V IN V AGC INS VCO NC
GND
INPUT
SLAGE
320kHz
AGC
320kHz
/500kHz
PULSE
COUNTER
PULSE
FORMER
NOISE
SUPPRESSION
BANDGAP
REFERENCE