Sony MDX-CA580 Service Manual ▷ View online
21
SUB board
SENSOR board
SERVO board
MAIN board
KEY board
• Circuit Boards Location
22
4-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.
•
b
: 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.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
U
: 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.
• Signal path.
E
: MD PLAY
F
: FM
f
: 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.
23
23
MDX-CA580
4-6.
PRINTED WIRING BOARDS – SERVO Section –
•
See page 21 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D301
G-7
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-5
Q301
A-5
Q302
C-1
Q303
G-7
Q401
E-7
Q402
F-9
Q403
F-9
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
C304
FB301
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
C341
FB302
R317
R312
R311
R316
R354
R102
C340
R352
R329
C314
X501
1
20
11
1
10
29
8
5
1
4
Q301
BC
E
Q401
B
C
E
C402
R406
R538
R525
R501
R502
R503
R531
R516
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
R360
R349
R357
C320
C321
R336
C516
R504
C501
R524
R523
R522
R537
R517
R518
C11
C403
R404
R405
D401
A
K
D301
AK
1
11
CN103
C346
L302
C319
C318
Q302
B C E
SERVO BOARD
(COMPONENT SIDE)
1-680-400-
25
40
80
24
1
41
64
65
11
(11)
A
MAIN BOARD
CN503
OPTICAL
PICK-UP BLOCK
(KMS-241C)
+
+
+
TP2 (SE)
TP3 (TE)
TP4 (FE)
TP1
RB503
TH501
R540
R542
R519
C513
R520
R521
C352
C510
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
Q403
BC
E
C359
R332
C511
R335
C317
C309
C363
C307
C316
C350
C358
C301
C356
C357
C362
IC307
R333
R334
C351
C333
SERVO BOARD
(CONDUCTOR SIDE)
1-680-400-
11
(11)
+
+
+
1
11
SENSOR BOARD
(COMPONENT SIDE)
1-680-401-
11
(11)
M903
(LOADING)
M
M
BLK
RED
BLK
RED
M902
(SLED)
M
M
M901
(SPINDLE)
M
M
(CHUCKING DETECT)
SENSOR BOARD
(CONDUCTOR SIDE)
1-680-401-
LOADING
DETECT
11
(11)
(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
05
IC101
C103
C105
C109
C108
C106
C107
R407
C401
C365
C364
R361
Q303
BC
E
X301
L101
L102
C104
R530
C327
R508
R532
C302
C353
C102
C202
R104
R202
R359
2
30
1
10
20
11
1
5
9
13
26
22
18
14
(Page 27)
24
24
MDX-CA580
• 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.
4-7.
SCHEMATIC DIAGRAM – SERVO Section (1/2) –
•
See page 31 for Waveforms.
•
See page 36 for IC Block Diagrams.
Click on the first or last page to see other MDX-CA580 service manuals if exist.