Sony MDX-M690 Service Manual ▷ View online
25
MDX-M690
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
z
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
6-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
E
: MD PLAY
F
: FM
f
: AM (MW/LW)
L
: BUS AUDIO IN
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
26
MDX-M690
• Circuit Boards Location
DISPLAY board
SUB MD board
SENSOR board
SERVO board
MAIN board
KEY board
SW board
• FRONT PANEL (DSPL) SECTION
• GENERAL SECTION
MDX-M690
27
27
IC301
CN102
IC302
100
26
50
1
1
4
8
5
76
75
51
25
IC303
1
16
32
17
20
13
12
1
25
36
24
48
37
1
IC501
IC401
IC304
IC502
CN101
C308
R320
R318
C305
R319
C306
R324
R327
R328
C310
R325
C311
C339
R331
R351
R330
C315
C343
R353
C342
C336
C349
R301
R302
R303
R304
R305
R306
R307
R308
R317
R312
R310
R316
R354
R102
R352
R329
C314
X501
1
20
11
1
10
8
5
1
4
Q301
BC
E
Q401
B
C
E
C402
R406
R538
R525
R501
R502
R503
R531
R516
R511
R507
R506
R535
R539
R527
R528
R526
R529
R505
R346
C328
R356
C331
C330
R344
R342
R338
R340
C329
R355
C325
C326
C347
C324
C322
R337
R348
R350
R359
R349
R357
C320
C321
R336
C516
R504
C501
R524
R523
R522
R537
R517
R518
C11
C403
R404
R405
D401
A
K
1
11
CN103
C346
L302
C319
C318
Q302
B C E
SERVO BOARD
(COMPONENT SIDE)
1-680-396-
25
40
80
24
1
41
64
65
12
(12)
A
MAIN BOARD
CN401
OPTICAL
PICK-UP BLOCK
(KMS-241C)
+
+
+
TP2 (SE)
TP3 (TE)
TP4 (FE)
TP1
RB503
TH501
R540
R542
R519
C513
R520
R521
C352
R401
R402
R403
L301
C344
R101
C101
R201
C201
C514
C515
R533
C504
C505
R534
R510
R512
C503
C506
L501
1
4
8
5
IC305
Q402
B
C
E
C359
R332
R335
C317
C309
C307
C316
C350
C358
C301
C356
C357
C362
IC307
R333
R334
C351
C333
SERVO BOARD
(CONDUCTOR SIDE)
1-680-396-
12
(12)
+
+
+
1
11
SENSOR BOARD
(COMPONENT SIDE)
1-680-397-
12
(12)
M903
(LOADING)
M
M
BLK
RED
BLK
RED
M902
(SLED)
M
M
M901
(SPINDLE)
M
M
(CHUCKING DETECT)
SENSOR BOARD
(CONDUCTOR SIDE)
1-680-397-
LOADING
DETECT
12
(12)
(LIMIT)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
A
C
D
E
F
G
H
I
J
K
IC101
C103
C105
C109
C108
C106
C107
R407
C401
C510
X301
L101
L102
C104
R530
C327
R532
R362
R367
C102
C202
R104
R202
R365
C363
C10
R361
Q403
BC
E
B C E
Q303
AK
D301
C353
C345
C511
R360
10
20
11
1
2
29
30
1
5
9
13
26
22
18
14
+
+
+
+
6-6.
PRINTED WIRING BOARDS – SERVO Section –
•
See page 26 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D301
G-9
D401
F-7
IC101
D-7
IC301
B-6
IC302
D-2
IC303
B-4
IC304
C-6
IC305
G-10
IC307
B-10
IC401
F-7
IC501
G-3
IC502
D-6
Q301
A-5
Q302
C-1
Q303
F-9
Q401
E-7
Q402
F-9
Q403
E-9
(Page 31)
MDX-M690
28
28
C322
R340
R338
R342
R344
L302
C346
R356
R301
R302
R303
R304
R305
R306
C301
R307
IC305
IC307
D301
X301
CN901
C319
R350
R359
R348
R349
C321
R357
R351
C342
C339
C352
R361
C336
C343
R353
R352
C328
C330
C325
R346
C347 C324
C316
C317
R331
C350
C351
C344
C345
C349
C356
C357
C358
R330
R329
R334
R333
C315
Q301
C314
C310
R327
R324
R308
R362
C362
R325
C309
R332
R318
R319
C308
R320
C306
C307
C305
CN103
CN102
C311
R328
R335
C327
IC301
IC302
IC303
R367
C353
IC304
R354
L301
C333
C363
C359
M901
M902
M903
C326
C329
R355
R317
R316
R312
R310
R360
TP4
TP3
TP2
Q302
Q303
C318
R337
C320
R336
C331
0.001
91k
13k
13k
13k
22
6.3V
10k
100
100
100
100
100
100
0.1
100
BA6287F-T1
MSM51V4400-70TS
MA8056-M
45MHz
11P
22
6.3V
10
10
4.7k
100
0.0068
47
2.2k
0.01
0.01
0.1
2.2k
0.01
0.01
2.2k
2.2k
0.0022
0.01
0.068
56k
0.01
0.1
0.1
0.1
100
0.1
22
10V
22
6.3V
0.01
0.1
100p
100p
100p
470k
680
100
680
1
2SC2712Y-TE85L
0.1
0.47
1k
3.3k
100
150
0.1
1k
0.0047
100
10k
100k
100p
680k
0.47
0.1
0.01
11P
20P
0.015
150
330
1
CXD2662R
CXA2523AR
BH6518FS
0
0.1
TC7WU04FU
10k
0.1
0.1
47p
0.0047
0.022
10k
1k
1k
2.2k
1k
0
2SA1037AK
2SC2412K-T-146
22
6.3V
470k
0.022
470k
0.1
1
2
3
4
5
6
7
8
9
10
XCAS
D2
D3
XOE
A04
A05
A06
A07
A08
M
NT0
M
NT1
M
NT2
MNT3
SRDT
SENS
SQSY
XINIT
SW
DT
SCLK
XLAT
XRST
SW
DT
SCLK
XLAT
CSW
ESW
LIMIT
EJECT
256FS
BCK
LRCK
DATA
A1
A2
A3
A4
A1
A2
B1
B2
B3
B4
B5
B6
B7
B8
B1
B2
B3
B4
B5
B6
B7
B8
C3
C4
C1
C2
C3
C4
D1
D2
D3
D4
D5
D6
D7
D8
D1
D2
D3
D4
D5
D6
D7
D8
E1
E2
E3
E4
E5
E7
E8
E1
E2
E3
E4
E5
E7
E8
E6
E6
XRAS
A09
D0
D1
XWE
A01
A02
A00
A03
A4
A3
XRST
C1
C2
LOAD
A08
A07
A06
A05
A04
A00
A01
A02
A03
D0
D1
XWE
XRAS
A09
XCAS
D2
D3
XOE
SP-
SP+
SL+
SL-
LO+
LO-
GND
NC
C-SW
E-SW
IN-LIMIT
ASYO
ASYI
BIAS
RFI
CLTV
PCO
FILI
FILO
PEAK
BOTM
ABCD
FE
AVDD
AVSS
AUX1
ADIO
VC
AVDD
ADRT
SWDT
SCLK
XLAT
SRDT
SENS
SQSY
DQSY
XRST
DOUT
APC
LDDR
TRDR
TFDR
FFDR
FRDR
FS4
SRDR
SFDR
SPRD
SPFD
ADFG
TEST1
DVDD
ADRB
AVSS
DCHG
DVSS
TX
OSCI
OSCO
XTSL
RECP
ADDT
DADT
LRCK
XBCK
FS256
SE
TE
XLRF
CKRF
DTRF
APCREF
FGIN
TEST2
TEST3
EFMO
A03
A11
A08
A07
A06
A05
A04
A10
A00
A01
A02
DVSS
A09
XCAS
XOE
XRAS
XWE
D1
D0
D2
D3
DVDD
XINT
MNT0(FOK)
MNT1(SHCK)
MNT2(XBUSY)
MNT3(SLOC)
F0CNT
MDDT1
DIN0
DIN1
DATAI
LRCKI
XBCKI
D0
D1
WE
RAS
VCC
OE
CAS
D2
D3
VSS
A00
A01
A02
A03
A08
A07
A06
A05
A04
A09
OUT1
VM
VCC
FIN
GND
OUT2
VREF
RIN
PGND4
GND
IN4R
IN4F
VM4
OUT4F
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
VDD
IN1R
IN1F
VM1
OUT1F
PGND1
OUT1R
VM12
OUT2R
PGND2
OUT2F
VM2
IN2F
IN2R
CAPA+
CAPA-
VG
I
J
VC
A
B
C
D
E
F
PD
APC
APCREF
TEMPI
TEMPR
SWDT
SCLK
XLAT
XSTBY
VREF
EQADJ
3TADJ
VCC
WBLADJ
TE
CSLED
SE
ADFM
ADIN
ADAGC
ADFG
AUX
FE
ABCD
BOTM
PEAK
RF
RFAGC
AGCI
COMPO
ADDC
OPO
OPN
MORFI
RFO
MORFO
GND
TRK+
TRK-
FCS+
FCS-
NC
RM
VR(RM-GND)
LD-GND
ILCC
VEE
E
D
C
F
I
VC
A
B
J
VCC
PEAK HOLD
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER,
DIGITAL SERVO SIGNAL PROCESSOR
D-RAM
(SPINDLE)
(SLED)
(LOADING)
(LIMIT)
(LOADING DETECT)
(CHUCKING DETECT)
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
RF AMP,
FOCUS/TRACKING
ERROR AMP
POWER CONTROL
AUTOMATIC
REGULATOR
VOLTAGE
REFERENCE
LOADING MOTOR DRIVE
VCC
GND
1024FS OSC
F0CNT
COMPP
(TE)
(SE)
(FE)
10
µ
H
6-7.
SCHEMATIC DIAGRAM – SERVO Section (1/2) –
•
See page 42 for Waveforms.
•
See page 43 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : MD PLAY
no mark : MD PLAY
∗
: Impossible to measure
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 29)
Click on the first or last page to see other MDX-M690 service manuals if exist.