Block Diagram - Sony MDX-65 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

4-3. BLOCK DIAGRAM

OPTICAL PICK-UP BLOCK
(KMS-241A/J2N)
IC100
DETECTOR RF AMP
9 F
6 C SWDT
F
5 B
B
C
I J 2 J
A D
4 A
E
7 D
8 E
1 I
AUTOMATIC
BOTM 36
POWER CONTROL 11 APC
Q100
LD
10 PD
PD
APC REF 12
T E
L 1 3 9 4 2 2 9 6 5 1 3
8
FOCUS
11
29
TRACKING
26
22
M901
M
(SPINDLE)
24
13
M902
M
(SLED)
15
IC300
SLED/SPINDLE MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
Signal Path
: PB
w w w
04
.
16 SWDT
SCLK 17 SCLK
XLAT 18 XLAT
IC200
RFO 46
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR
AGCI 40
RF 38 55 RFI XLAT 7 XLAT
TE 26 74 TE SCLK 6 SCLK
28 73 SE 5 SWDT
SE SWDT
ADFG 32 78 ADFG XRST 10 XRST
XINT 14 XINT
FE 34 65 FE SRDT 8 SRDT
63 BOTM SQSY 11 SQSY
37 62 PEAK 22 DOUT
PEAK DOUT
DADT 24
26
XBCK
ABCD 35 64 ABCD
LRCK 25
PEAK HOLD
75 AUX2
Q200
FS256 27
IC202
LASER
APC SWITCH
1
4 83 APC REF
2
IC603
LEVEL SHIFT
6 88 FFDR
MNT0 1 13
5 89 FRDR
MNT1 2 11
31 86 TFDR
MNT2 3 9
32 85 TRDR
MNT3 4 5
SENS 9 3
20 93 SPRD
19 94 SPFD
18 91 SRDR
IC201
RAM
17 92 SFDR
AO0 32 9 A0
ı ı
29 12
· ·
34 14
ı ı
AO8 38 18 A8
D0 47 1 D0
17
OSCO
· ·
X200 46 2
· ·
22.5792MHz
48 24
16 OSCI · ·
D4 49 25 D3
XOE 41 22 DE
x a o
y
23 CAS
XCAS 42
A09 43 5 A9
i
XRAS 44 4 RAS
XWE 45 3 WE
– 15 –
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8
XRST
XLAT
SWDT
SCLK
IC500
D/A CONVERTER
IC602
LEVEL SHIFT
15 RSTB
XINT 3 4
SRDT 1 2
SQSY 5 6
5 DATA
DOUT 9 8
6 BCK
4 LRCK
MUTE 18
DMI 17
VOUTR 9 R-CH
VOUTL 12
MNT0
1 XTI
MNT1
MNT2
MNT3
SENS
S901
Q Q
(HOME POSITION DET)
3 7 6 3
RV901
ELEVATOR HEIGHT
SENSOR
S400
(LIMIT)
12 MNT0
10 MNT1
S611-616
DISC WITH/
8 MNT2 WITHOUT DET
6 MNT3
S620
FRONT DOOR
4 SENS
OPEN DET
S902
LOADING END
SENSOR DET
S903
STORE END
SENSOR DET
IC700
ELEVATOR MOTOR DRIVE
9 2
M904
M
(ELEVATOR)
7 4
IC701
u 1 6 3
LOADING MOTOR DRIVE
9 2
.
M903
M
(LOADING)
7 4
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2 4
9 9 8
IC600 IC900
IC601
SYSTEM CONTROL BUS INTERFACE
RESET
RESET
71 MD RST 8 7
RESET 15
SW
70 MD LAT
41 MD SO
UNI CKI 47 11 4
42 MD CKO
UNISO 46 9 6
UNISI 45 10
BUS ON 17 13 SW 2
21 CC XINT
40 MD SI
BATTERY DET
BU IN 16
Q940, 941
18 SQ SY
R-CH
A ATT 75
MUTING
Q920
MUTING
MUTING
CONTROL
SWITCH
SWITCH
Q500
74 EMPH O
Q932
IC930 MUTING
LINE AMP Q910
56 MNT0
5 +
57 MNT1 7
–
58 MNT2
6
59 MNT3
67 SENS
1 5 1 5 0 8 9 2 4
8 HOME MDMON 5
+9V
27 EHS
Q602 P/U5V
B+ SWITCH
B/U5V
68 LIMIT SW
DRV5V
IC970
95 DCS1
REGULATOR CONTROL
ı
100 DCS6
INPUT 4
OUT 1
VCC 2
69 DOORSW
+3.3V
6 LES
PL620
LAMP DRIVE
(ILLUMINATION)
Q600, 601
7 SES
ILL ON 76
1 M1
19
STR SW
S600
STOP
m
2 M1
X2 10
X600
14MHz
c o
X1 11
3 M2 XT2 13
X601
32.768kHz
4 M2 14
XT1
– 16 –
MDX-65
2
9 9
IC902
IC902
4
DIGITAL OUT
CN900
(BUS CONTROL OUT)
SYS RST
1 2 3
BATT
7 8
4 5 6
BUS CLK
BUS DATA
BUS ON
CN902-2
R
AUDIO
OUT
CN902-1
L
9 8 2 9 9
+9V REG.
Q930, 931
+6V REG.
Q950
Q970
B+ SWITCH
+5V REG.
Q972
+3V REG.
Q800, 801