Sony MDX-61, Service Manual

Page: 11 / 38

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MDX-61
3-1. BLOCK DIAGRAM
+9V
(LINE AMP)
DCS6
DCS1
11
FOCUS
8
DRIVER
CONTROL
5
6
IC300
SLED/SPINDLE MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
26
TRACKING
29
DRIVER
CONTROL
32
31
24
M902
SLED
22
DRIVER
CONTROL
19
20
M
15
M901
SPINDLE
13
DRIVER
CONTROL
17
18
M
5
2
4
7
14 AAPC
10 PD
LD
AUTOMATIC
POWER CONTROL
Q100
IC100
RF AMP
XRST
SWDT
SCLK
RFO 44
AGCI 43
DETECTOR
J I
F
E
A
B C
D
IC500
SHOCK PROOF MEMORY CONTROLLER
ATRAC ENCODER/DECODER
XOE
XCAS
61
62
A09
XRAS 66
65
69
·
68
·
70
·
71
1
·
2
·
24
·
25
22 DE
23 CAS
5 AB
4 RAS
D4
D0
AO8
D3
D0
A8
IC501
RAM
IC700
ELEVATOR MOTOR DRIVE
7
M904
(ELEVATOR)
9
DRIVER
CONTROL
4
2
M
IC701
LOADING MOTOR DRIVE
7
M903
(LOADING)
9
DRIVER
CONTROL
4
2
M
9
12
2
10
8
4
5
3
3
48
6
47
F
C
B
J
A
D
E
I
PD
XRST
SWDT
SCLK
XLAT XLAT 20
18
17
19
RF 41
TE
SE
ADFG 33
26
29
AUX
FE
BOTM 38
34
35
PEAK
ABCD
39
37
82 ADFG
76 SE
77 TE
58 RFI
78 AUX2
68 AUX1
PEAK HOLD
Q200
IC200
DIGITAL SIGNAL PROCESSOR
DIGITAL SERVO SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER
64 PEAK
65 BOTM
67 FE
66 ABCD
4 2 84 LDDR APC REF 11
IC201
INVERTER
87 FFDR
89 FRDR
86 TFDR
85 TRDR
93 SPRD
94 SPFD
91 SRDR
92 SFDR
XLAT XLAT 10
4 XLAT
SCLK SCLK 9
3 SCK
SWDT
SWDT 8
2 SWDT
XRST XRST 16
17 XRST
SENS SENS 12
6 SENS
SRDT
SRDT 11
5 SRDT
SQSY SQSY 14
FOK FOK 2
DTO 30
DTI
DFCT
C2PO 31
29
3
BCK
LRCK
XTAI 35
32
33
92 C2PO
97 MIN
93 DATA
91 BCK
87 SPO
90 LRCK
OSCI
OSC O
37
36
X500
45.1584MHz
55
ı
52
·
56
ı
60
9
ı
12
·
14
ı
18
AO0
A0
XWE 67
3 WE
XRST
XLAT
SWDT
SCLK
SENS 4 3 54 SENS
SRDT 6 5 52 MD-SI
SQSY 8 9 62 SQSY
FOK 10 11 64 FOK
2 1 55 CC-XINT
59 MD-RST
58 MD-LAT
45 MD-SO
51 MD-CKO
IC602
LEVEL SHIFT
X INT 9
SERIAL
INPUT
DAC
DAC
LPF
LPF
IC550
D/A CONVERTER
1
3
D OUT 41
ALRCK 44
8
5
R-CH
4
6 M1
7 M1
8 M2
9 M2
S901
(HOME POSITION DET)
13 HOME
S902
(LES)
11 LES
S620
DOOR OPEN
/CLOSE DET
57 DOOR-SW
S611-616
(EJECT)
S400
(LIMIT DET)
56 LIMIT-SW
RV901
ELEVATOR HIGHTER
POSITION DET(EHS)
40 EHS
S903
(SES)
12 SES












14
ı
19
MDMON 10
7 8
4 11
6 9
10
2 13
IC900
BUS INTERFACE
RESET
SW
SW
RST 30
UNICKI 48
UNISO 50
UNISI 49
BUS-ON 61
IC601
RESET
+
– 3
IC800
LINE AMP
1
2
MUTING
Q810, 820
6 4
8
3 1 2
5
CNP1
(L)
(R)
A-MUT 67
R-CH
BU-IN 60
BATTERY DET
Q920, 921
LINE
OUTPUT
+9V REG.
Q940, 941
+3.3V REG.
Q931
+3.3V
(D/A CONV)
+5V
(PULL UP)
+5V
(MOTOR DRIVE)
ERROR
AMP
COMP OUT
4
3
7
ERROR
AMP
COMP OUT
13
14
10
+5V REG.
Q952
+5V REG.
Q954
+3.3V REG.
Q953
+3.3V
LAMP DRIVE
Q600, 601
7
Q500, 501
SWITCHING
IC950
REGULATOR CONTROL
PL620
ILLUMINATION
LAMP






35
34
X601
32.768kHz
31
32
X600
10MHz
XTAL
EXTAL
TX
TEX
63 STR-SW
S600
(STOP)
21
ILL ON
IC600
SYSTEM CONTROLLER
• R-CH : Same as L-ch
• SIGNAL PATH
: PLAY
(BUS CONTROL CONNECTOR)
(SHASSIS)
OPTICAL PICK-UP BLOCK
(KMS-193C/J2N)
MUTING
SWITCH
Q560, 561
MUTING
CONTROL
SWITCH
Q800
Q950
B+ SWITCH
+5V
(SYSTEM CONTROLLER)
+6V REG.
Q910, 911