MDX-M690
23
23
9
SDA
SCL
SM
AMIF
10
MPX
12
IIC BUS
DIGITAL
CONTROL
17
MPIN
VDD
CREF
19 20
R-CH
B+
R-CH
R-CH
OUTSW
AUDIO
+8.5V
PILOT
CANCELATION
AM/FM NOISE
BLANKER
D/A
CONVERTER
POWER
SUPPLY
DEMODULATOR
STEREO ADJUST
STEREO BLEND
REFERENCE VOLTAGE
REGULATOR
IC310-2
HIGH-
CUT
LPF
PILOT DET
LPF
QUAL
S & H
PLL
LEVEL
14
22
39
13
QUALITY
16
PULSE
FORMER
12
4
38
33
43
9
5
DATA
DADT
VOUTL
VOUTR
DADT,
BCK,
LRCK,
FS256
6
BCK
BCK
LRCK
R-CH
R-CH
1
XTI
15
17
16
RSTB
DM1
DM0
LRCK
FS256
DEEMP
A
B
CLK
CONTROL
BUS
AUDIO IN
CN302 (1/2)
AUDIO OUT
FRONT
AUDIO OUT
REAR
CN302 (2/2)
MUTING
Q304
MODE
CONTROL
DIGITAL FILTER,
D/A CONVERTER
IC101
INPUT
INTERFACE
DIGITAL
FILTER
NOISE
SHAPER
D/A
COMVERTER
4
MUTING
Q303
MUTING
Q302
MUTING
Q301
MD-RST
MD-RST,
DEEMP
MUTING
Q305
FL-IN
FL+
1
CN101 (1/2)
POWER AMP
IC309
FRONT L+
FR-IN
RL-IN
RR-IN
15
11
14
12
22
4
FL–
9
FRONT L–
FR+
4
FRONT R+
FR–
12
FRONT R–
RL+
2
REAR L+
RL–
10
REAR L–
RR+
3
REAR R+
RR–
11
13
14
7
15
REAR R–
TEST
ACC
TEL-ATT
ILL
MUTE
STNBY
BEEP
ST-BY
5
3
21
9
7
17
19
23
15
55
L
R
L
R
SUB OUT
R
L
INPUT
MULTIPLEXER
LOUDNESS
VOLUME
TONE
CONTROL
OUTPUT
SELECTOR
SUB WOOFER
FILTER
SOFT STEP
FADER
MIXER
SOFT
MUTE
IICSIO
IICCKO
E-VOL-ATT
CN301
1
2
(R)
(L)
TEST-IN 84
ACC-IN 81
TEL-ATT 16
ILL-IN 95
31
70
X0
92
X1
93
71
ACCESSOR CHECK
Q405
LEVEL SHIFT
Q406
ILLUMINATION
CHECK
Q407
REMOTE CONTROL
RECEIVER
D908, IC901
REMOTE CONTROL
RECEIVER
D70, IC62
BATTERY OFF
MUTE DRIVER
Q310
MUTING
CONTROL
Q312
BUZZER
DRIVE
Q502
D311
BACK-UP B+
D309
Q309
28
27
OUTLF
OUTLR
9
AUX-L
MDL
AM/MPX2
23
SPECTRUM
ANALYZER
21
LOW-PASS
FILTER
IC301
D
SAOUT,
SACLK
SACLK
SACLK
SAOUT
SAOUT
INPUT SELECT,
ELECTRICAL VOLUME
IC305
ATT
5
SOFT STEP
FADER
24
FRONT PANEL
OPEN/CLOSE MOTOR DRIVE
IC651
OPEN
CLOSE
OUT1
OUT2
BACK-UP
B+
VCC
M BA
TT
VREF
FP_CTRL
MOT+
MOT
–
12
11
6
3
14
RNF
16
4
5
40 98 97
I-DET
96
OPEN-KEY
61
MOTOR
DRIVE
+9V
REGULATOR
IC652
REFERENCE
VOLTAGE SWITCH
Q651, 652
MOTOR OVER LOAD
DETECT
IC650, Q650
D651
D508
D501
M
M601
FRONT PANEL
OPEN/CLOSE
BUFFER
IC310-1
(Page 21)
(Page 21)
G
DATA,
CLOCK
(Page 22)
J
(Page 22)
E
MPX
(Page 22)
F
AM
QUAL
H
(Page 22)
S-METER
C
(Page 21)
ATT
(Page 22)
CLOCK
DATA
BZ501
SYSTEM CONTROLLER
IC501 (2/3)
X503
3.68MHz
X0A
74
X1A
73
X501
32.768kHz
99
100
111
64
101
LED DRIVE
Q901, 902
D901
D803
D903
DISC SLOT
ILLUMINATION
CLOSE
Y
OPEN
SW1001
SW1001
FRONT PANEL
OPEN/CLOSE DETECT
SW1002
FRONT PANEL DETACH
POSITION DETECT
S1
DISPLAY PANEL
DETACH DETECT
SW1002
S1
SW903
DISC INSERT
DETECT
CLOSE-SW
OPEN-SW
PACK-IN
DETACH_SW
CENT-SW
RC-IN1
72
RC-IN0
48
KEY
-IN0
46
KEY
-IN1
47
KEY_ACK
79
AD-ON
80
SIRCS
24
NOSE_SW
62
LSW60
(OPEN)
J651
(REMOTE IN)
LSW1, 2, 5 – 13,
LSW15, 18, 20, 22,
S1 – 4, 7 – 15
3
4
X801
4MHz
17
9
KEY ACTIVE
SWITCH
Q501
B/U
+5V
D503
D505
1
CN604
MAIN UNIT
SIDE
CN2
FRONT PANEL
SIDE
XIN
XOUT
SIRCS
IN
SIRCS
OUT
SIRCS
CONTROLLER
IC801
(Page 24)
• SIGNAL PATH
: FM
: AM (MW/LW)
: MD PLAY
: BUS AUDIO IN
•
R-ch is omitted due to same as L-ch.
ACOUTL
ACINL
6-3.
BLOCK DIAGRAM – MAIN Section –
Summary of Contents for MDX-M690
Page 79: ...79 MDX M690 MEMO ...