Read Sony MDX-65 Service Manual online
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4-3. BLOCK DIAGRAM
MDX-65
+9V
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)
04
22
DRIVER
CONTROL
19
20
M
15
M901
(SPINDLE)
13
DRIVER
CONTROL
17
18
M
7
4
6
9
11 APC
10 PD
LD
AUTOMATIC
POWER CONTROL
Q100
IC100
RF AMP
SWDT
SCLK
RFO 46
AGCI 40
DETECTOR
IC500
D/A CONVERTER
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
5
2
8
1
F
F
C
C
B
B
J
J
A
A
D
D
E
E
I
I
PD
SWDT
SCLK
XLAT
XLAT 18
16
17
RF 38
TE
SE
ADFG 32
26
28
FE
BOTM 36
34
PEAK
ABCD
37
35
78 ADFG
73 SE
74 TE
55 RFI
75 AUX2
PEAK HOLD
Q200
IC200
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR
62 PEAK
63 BOTM
65 FE
64 ABCD
4
1
2
83 APC REF
APC REF 12
IC202
LASER
APC SWITCH
88 FFDR
89 FRDR
86 TFDR
85 TRDR
93 SPRD
94 SPFD
91 SRDR
92 SFDR
XLAT
XLAT
7
SCLK
SCLK
6
SWDT
SWDT
5
XRST
XRST
10
15 RSTB
XINT
XINT
14
SRDT
SRDT
8
SQSY
SQSY
11
DOUT
DOUT
22
DADT
FS256
26
24
XBCK
LRCK 25
27
6
18
17
74
56
57
58
59
67
EMPH O
MNT0
MNT1
MNT2
MNT3
SENS
9
12
MUTE
DMI
VOUTR
R-CH
VOUTL
XTI
5 DATA
4
BCK
1
LRCK
XRST
XLAT
SWDT
SCLK
XINT
4
3
21 CC XINT
SRDT
2
1
40 MD SI
SQSY
6
5
18 SQ SY
DOUT
8
9
71 MD RST
70 MD LAT
41 MD SO
42 MD CKO
IC602
LEVEL SHIFT
1 M1
2 M1
3 M2
4 M2
S901
(HOME POSITION DET)
8 HOME
6 LES
69 DOORSW
S400
(LIMIT)
68 LIMIT SW
27 EHS
7 SES
95
ı
100
MDMON 5
7
8
4
11
6
9
10
2
13
IC900
BUS INTERFACE
IC902
SYS RST
BATT
BUS CLK
BUS DATA
BUS ON
DIGITAL OUT
RESET
SW
SW
RESET 15
UNI CKI 47
UNISO 46
UNISI 45
BUS ON 17
IC601
RESET
IC902
+
–
–
5
IC930
LINE AMP
7
6
MUTING
Q920
MUTING
Q910
6
4
7
3
1
2
5
CN900
CN902-1
CN902-2
L
R
A ATT 75
R-CH
BU IN 16
BATTERY DET
Q940, 941
AUDIO
OUT
+9V REG.
Q930, 931
P/U5V
DRV5V
4
2
1
INPUT
VCC
OUT
+5V REG.
Q972
+3V REG.
Q800, 801
+3.3V
LAMP DRIVE
Q600, 601
8
IC970
REGULATOR CONTROL
PL620
(ILLUMINATION)
14
13
X601
32.768kHz
11
10
X600
14MHz
X2
X1
XT2
XT1
19
STR SW
S600
STOP
76
ILL ON
IC600
SYSTEM CONTROL
(BUS CONTROL OUT)
OPTICAL PICK-UP BLOCK
(KMS-241A/J2N)
MUTING
SWITCH
SWITCH
Q500
MUTING
CONTROL
SWITCH
Q932
Q970
B+ SWITCH
B/U5V
Q602
B+ SWITCH
+6V REG.
Q950
XOE
XCAS
41
42
A09
XRAS 44
43
47
·
46
·
48
·
49
1
·
2
·
24
·
25
22 DE
23 CAS
23 CAS
5 A9
4 RAS
4 RAS
D4
D0
AO8
D3
D0
A8
IC201
RAM
32
ı
29
·
34
ı
38
9
ı
12
·
14
ı
18
AO0
A0
XWE 45
3 WE
OSCI
OSCO
16
17
X200
22.5792MHz
MNT0
MNT1
MNT2
MNT3
SENS
MNT0
MNT1
MNT2
MNT3
SENS
SENS 9
MNT3 4
MNT2 3
MNT1 2
MNT0 1
12
13
10
11
8
9
6
5
4
3
IC603
LEVEL SHIFT
RV901
ELEVATOR HEIGHT
SENSOR
S611-616
DISC WITH/
WITHOUT DET
S902
LOADING END
SENSOR DET
S620
FRONT DOOR
OPEN DET
S903
STORE END
SENSOR DET
Signal Path
: PB
4
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