Sony MDX-M690 Service Manual ▷ View online
MDX-M690
21
21
6-1.
BLOCK DIAGRAM – SERVO Section –
SECTION 6
DIAGRAMS
F
C
B
D
A
E
I
J
J
I
B
A
C
D
E
F
DETECTOR
J
I
A
B
C
D
D
E
F
LD
PD
LASER DIODE
ILCC
RM
OPTICAL PICK-UP BLOCK
(KMS-241C)
AUTOMATIC
POWER CONTROL
Q302
APC
PD
APCREF
AT
AMP
B.P.F.
WBL
ADFM
ADIN
ADFG
ABCD
AMP
ABCD
FE
TE
SE
F0CNT
WBL
3T
EQ
COMMAND
SWDT
SCLK
XLAT
RFO
RF AGC
& EQ
AGCI
EQ
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC302
TEMP
MORFO
MORFI
3T
WBL
AUX
PEAK
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC303
OUT4F
OUT4R
M901
(SPINDLE)
OUT2F
OUT2R
M902
(SLED)
OUT1F
OUT1R
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
SPFD
SPRD
APCREF
SFDR
SRDR
FRDR
FFDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC301 (2/2)
RECP
ABCD
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
1024FS OSC
IC304
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC301 (1/2)
2
4
6
8
18
16
14
12
11
13
15
17
9
7
5
3
SWDT
SCLK
XLAT
FOK
SHOCK
XBUSY
SLOCK
MD-SO
MD-CKO
MNT0
MNT1
MNT2
MNT3
MD-RST
SQSY
CC-XINT
SENS
MD-SI
EJECT
LOAD
RIN
FIN
OUT1
OUT2
LOADING
MOTOR DRIVE
IC305
M903
(LOADING)
D0 – D3
A00 – A09
OE
WE
RAS
CAS
D-RAM
IC307
MD MECHANISM CONTROLLER
IC501 (1/2)
DATA, BCK,
LRCK, 256FS
DATA
BCK
LRCK
ATT
•
SIGNAL PATH
: MD PLAY
11
9
8
4
1
2
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
92
91
88
89
86
85
81
80
83
13
67 65 66 75 74 63 64
82
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
AUTOMATIC
POWER
CONTROL
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
PEAK HOLD
Q301
10
LEVEL SHIFT
IC502 (2/2)
62
55
52
54
51
EXTAL
31
59
XTAL
32
26
64
27 28 29
45
XRST
1, 2, 24, 25
9 – 12, 14 – 18, 5
B
C
A
7
6
5
4
1
7
6
M
MD-LAT
A-MUTE 67
63
11
56
+3.3V
TEMP
39
X501
10MHz
TH501
CHUCKING
DETECT
(LIMIT)
LIMIT-IN
E-SW
C-SW
LOADING
DETECT
VREF
REFERENCE VOLTAGE
REGULATOR
Q303
LOAD+6V
PLL
FILTER
60
59
62
61
FILI
PCO
CLTV
FILO
100
EFMO
25
ADDT
22
DATAI
15
TX
53
54
57
ASYO
ASYI
RFI
ADIP
DEMODULATOR/
DECODER
78
ADFG
SPINDLE
SERVO
F0CNT
94 93
SPFD
SPRD
SUBCODE
PROCESSOR
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
DADT
INTERNAL BUS
CLOCK
GENERATOR
XBCK
LRCK
FS256
OSCI
OSCO
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
12
DQSY
11
SQSY
14
XINT
9 8
5 6 7
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
49, 48, 50, 51
34 – 31, 36 – 40, 45
D0 – D3
A00 – A09
43
47
46
44
22
3
4
23
XOE
XWE
XRAS
XCAS
DIN1
79
16
17
COMPA-
RATOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
26
28
21
20
19
29
27
24
XBCKI
23
LRCKI
1 2 3 4
LEVEL SHIFT
IC502 (1/2)
256FS
X301
45MHz
MD-RST,
DEEMP
66
DEEMP
MD-RST
DEEMP
DEEMP
ON : When a disc loading start
and a disc eject completion
and a disc eject completion
ON : When completion
of a disc loading
of a disc loading
(Page 23)
(Page 23)
(Page 23)
MDX-M690
22
22
1
2
ANT-FM
ANT-AM
53
S-METER
14
S-METER
10
MPX
8
AM-DET
9
RDS-DET
FM/AM TUNER UNIT
TUX201
SYSTEM CONTROLLER
IC501 (1/3)
17
SDA (EEPROM)
(FM/AM ANTENNA IN)
5
VCC 8.5V
TU +8.5V
16
VDD 5V
TU +5V
11
B/U 5V
10
52
MPTH
75
DAVN
RDS DECODER
IC202
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X201
4.332MHz
4
8
5
OSCI
OSCO
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16
18
19
MPX
CIN
4
5
SC
OUT
MULTI
PATH
DETECTOR
20
2
LVIN
MPTH
50
QUAL
56
NS MASK
BAND-PASS
FILTER
IC201
Q203
NOISE DET
DISCHARGE
SWITCH
DATA
CLOCK
DATA, CLOCK
MPX
E
AM
F
S-METER
QUAL
H
B/U +5V
EEP SIO
• SIGNAL PATH
: FM
: AM (MW/LW)
18
SCL (EEPROM)
11
EEP CKO
SDA
SCL
BUFFER
Q202
DATA
12 13
CLOCK
9
G
10
(Page 23)
(Page 23)
(Page 23)
(Page 23)
J
(Page 23)
6-2.
BLOCK DIAGRAM – TUNER Section –
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
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
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
IC310-1
(Page 21)
(Page 21)
G
DATA,
CLOCK
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)
(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 –
MDX-M690
24
24
6-4.
BLOCK DIAGRAM – DISPLAY/BUS CONTROL/POWER SUPPLY Section –
LIQUID CRYSTAL
DISPLAY
FOR DISPLAY
PANEL
LCD60
LCD60
LIQUID CRYSTAL
DISPLAY
(FOR KEY PANEL)
LCD1
1
112
60
64
66
70
71
97
98
101
38
34
50
46
115
6
69
100
99
98
97
96
1
–
69
115
–
165, 81
–
98
SEG1
–
SEG69
SEG1
–
SEG69
COM1
–
COM8
83
–
76
COM1
–
COM8
99
–
106, 107
–
114
173
–
166
SEG1
–
SEG71
COM1
–
COM8
38
–
59, 61
–
74,
76, 77, 7
–
37
60, 75
7
–
1
LCD
DRIVER
IC61
OSC
C70, R85
100
99
98
97
100
99
98
97
86
96
1
–
71
10
–
80
SEG1
–
SEG71
SEG1
–
SEG71
1, 9
–
2
SEG1
–
SEG8
83
–
76
COM1
–
COM8
LCD
DRIVER
IC60
LCD
DRIVER
IC1
OSC
C64, R76
96
OSC
C5, R41
DIMMER
CONTROL
Q62
LED60,
LED62 – 69
LED62 – 69
LED DRIVE
Q60, 61
LCD B+
LSW60
(OPEN)
(OPEN)
85
86
DIMMER
CONTROL
Q3
LED1, 2
LED DRIVE
Q1, 2
LCD B+
LED3 – LED18,
LSW1, 2, 5 – 13
LSW15, 18, 20, 22
84
1
–
71
SEG1
–
SEG71
83
–
76
COM1
–
COM8
2
13
1
12
3
10
6
9
RESET
SWITCH
BATTERY
SWITCH
BUS ON
SWITCH
4
11
2
5
4
6
7
RESET
DATA
CLK
BUS ON
BATT
BACK-UP B+
BUS CONTROL IN
CN601
BUS ON
SWITCH
Q602
BATTERY
DETECT
Q603
TH601
SONY BUS INTERFACE
IC601
D606
D603
D607
DIMMER
LED_SW1
DIMMER
LED_SW2
LCD-DATA
LCD-CLK
LCD-CE0
LCD-INH
OSC
LCD-DATA
LCD-CLK
LCD-CE0
LCD-INH
LCD-DATA
LCD-CLK
LCD-CE0
LCD-INH
DATA
CLK
CE1
INH
DATA
CLK
CE0
INH
DATA
CLK
CE2
INH
OSC
OSC
RST
BUS
ON
ON
BATT
DATA
CLK
8
RESET
BUS ON
BU_IN
DATA IN
CLK IN
DATA OUT
BUS-ON
BU-IN
LINKOFF
UNISO
UNICKO
UNISI
DATA
CLK
CE0
CE1
CE2
UNISO
UNISI
UNICKO
BUS-ON
BUIN
LINKOFF
18
UNISO
17
UNISI
19
UNICKO
14
BUS-ON
77
INH
D609
(2/2)
D609
(1/2)
D612
47
116
57
106
50
UNISO
49
UNISI
48
UNICKO
61
BUS-ON
BU-IN
D608
60
30
SYSTEM CONTROLLER
IC501 (3/3)
58
57
59
21
MD MECHANISM
CONTROLLER
IC501 (2/2)
LCD_SO/TX
LCD_CKO
LCD_CE0
LCD_CE1
LCD_CE2
UNI-SO
UNI-SI
UNI-SCK
BUS-ON
BU-IN
LINK
OFF
OFF
SYSRST
LCD_INH
UNISO
UNISI
UNICLK
BUS-ON
BUIN
UNISO
UNISI
UNICKIO
BUS-ON
BU-IN
RESET
LED_SW1
LED_SW2
BOOT
LED_SW2
BOOT
CD_EJECT_OK
CD_OPEN_REQ
EJT_KEY
LOCK
52
32
81
82
83
114
90
86
85
10
37
57
10
65
86
85
X701
18.432MHz
BUFFER
IC701
D511
D510
D507
D104
D506
RESET
SW901
S60
(RESET)
+5V
REGULATOR
Q201
B+ SWITCH
Q109, 112
B+ SWITCH
Q110, 111
B+ SWITCH
Q107, 108
REGULATOR
CONTROL
Q117, 118
RESET SIGNAL
GENERATOR
IC502
+6V
REGULATOR
Q119
B+ SWITCH
Q401 – 1, 402
B+ SWITCH
Q401 – 2, 404
D405
D406
CN101
(2/2)
BACK-UP B+
TH101
TH102
REGULATOR
CONTROL
IC102, Q116
B+ SWITCH
Q114, 115
REGULATOR
Q113
SWITCHING
REGULATOR
Q106
SWITCHING
REGULATOR
Q103
+3.3V
REGULATOR
IC401, Q401
B+ SWITCH
Q451, 452
B+ SWITCH
Q402, 403
OUTPUT
CIRCUIT
CIRCUIT
PWM
COMPARATOR
PWM
COMPARATOR
OUTPUT
CIRCUIT
CIRCUIT
ERROR
AMP
ERROR
AMP
OSC
14
3
2
10
7
B+ SWITCH
Q101, 102
9
F101
AMP-R
ANT-R
+B
OSC
SWITCH
Q105
POWER CONTROL
IC101
DRIVER +5V
D451
D106
D105
D
(Page 23)
SA-OUT,
SA-CLK
B/U +5V
LOAD +6V
TU +8.5V
TU +5V
AUDIO +8.5V
LCD B+
B+
DISPLAY CONTROLLER
IC702
SA-CLK
SA-IN
SA-CLK
SA-OUT
ILLON
SA_ENIN
SYSRES
FLS_PWON
P-ON
TUNER ON
RSTX
HSTX
RAM-BU
PWM
SHIFT
DDC-ON
MDMON
MD-ON
EXTAL
XTAL
INA2
INA1
RT
OUT2
VCC
OUT1
5
6
16
+3.3V
VCC
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