Block Diagram - Sony MDX-66XLP Service Manual

MDX-66XLP

4-2. BLOCK DIAGRAM

OPTICAL PICK-UP BLOCK
DETECTOR
9
6
F
5
B C
I J 2
D
A
4
E
7
8
1
AUTOMATIC
POWER CONTROL 11 APC
Q100
LD
10 PD
PD
6
FOCUS
8
31
TRACKING
29
24
M901
M
(SPINDLE)
26
11
M902
M
(SLED)
13
SLED/SPINDLE MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
Signal Path
: PB
RF AMP
IC100
F
16 SWDT
C SWDT
B SCLK 17 SCLK
XLAT 18 XLAT
J RFO 46 DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR
IC200
A
AGCI 40
D
RF 38 57 RFI 7 XLAT
XLAT
E
TE 26 75 TE SCLK 6 SCLK
I
SE 28 74 SE SWDT 5 SWDT
ADFG 32 78 ADFG XRST 10 XRST
XINT 14 XINT
34 66 FE 8 SRDT
FE SRDT
SQSY
BOTM 36 64 BOTM SQSY 11
PEAK 37 63 PEAK DOUT 21 DOUT
26
DADT
XBCK 28
ABCD 35 65 ABCD
LRCK 27
PEAK HOLD
67 AUX1
Q200
FS256 29
APC REF 12 83 APC REF
LEVEL SHIFT
16 88 FFDR
MNT0 1 13
15 89 FRDR
MNT1 2 11
21 86 TFDR
MNT2 3 9
22 85 TRDR
MNT3 4 5
SENS 9 3
20 93 SPRD
19 94 SPFD
18 91 SRDR
RAM
IC201
17
92 SFDR
AO0 34 9 A0
ı ı
31 12
IC300
· ·
36 14
ı ı
AO8 40 18 A8
OSC
BUFFER
D0 49 1 D0
IC203 · ·
48 2
· ·
16
OSCI 50 24
· ·
X200
D3 51 25 D3
45MHz
XOE 43 22 OE
23 CAS
XCAS 44
A09 45 5 A9
XRAS 46 4 RAS
XWE 47 3 WE
XRST
XLAT
SWDT
SCLK
D/A CONVERTER
IC500
LEVEL SHIFT
IC602
15 RSTB
XINT 3
SRDT 1
SQSY
5
5 DATA
DOUT 9
6 BCK
4 LRCK
MUTE 18
DMI 17
VOUTR 9 R-CH
VOUTL 12
MNT0
1 XTI
MNT1
MNT2
MNT3
SENS
(HOME POSITION DET)
RV901
ELEVATOR HEIGHT
SENSOR
IC603
12 MNT0
10 MNT1
8 MNT2 WITHOUT DET
6 MNT3
FRONT DOOR
4 SENS
LOADING END
ELEVATOR MOTOR DRIVE
IC700
9 2
M904
M
(ELEVATOR)
7 4
LOADING MOTOR DRIVE
IC701
9 2
M903
M
(LOADING)
7 4
18 18
SYSTEM CONTROL BUS INTERFACE
IC601
IC600 IC900
RESET
RESET
71 MD RST
RESET 15 8 7
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
4 21 CC XINT
2 40 MD SI
BATTERY DET
BU IN 16
Q940, 941
6 18 SQ SY
R-CH
A ATT 75
8
MUTING
MUTING
CONTROL
SWITCH
SWITCH
Q500
74 EMPH O
Q932
LINE AMP
IC930
56 MNT0
5
+
57 MNT1
7
–
58 MNT2
59 MNT3 6
67 SENS
S901
TH600
TEMP 26
8 HOME MDMON 5
+9V
27 EHS
S400 B+ SWITCH P/U+5V
(LIMIT) Q602
B/U+5V
B/U+5V
68 LIMIT SW
S611-616
DISC WITH/
DRV+5V
IC970
95 DCS1
REGULATOR CONTROL
ı
100 DCS6
INPUT 4
S620
OUT 1
OPEN DET
VCC 2
69 DOORSW
S902
SENSOR DET
+3.3V
6 LES
S903
PL620
STORE END
(ILLUMINATION)
SENSOR DET
7 SES
1 M1
STR SW 19
S600
STOP
2 M1
10
X2
X600
14MHz
X1 11
3 M2 XT2 13
X601
32.768kHz
4 M2 XT1 14
CN900
(BUS CONTROL OUT)
SYS RST
1 2 3
BATT
7 8
4 5 6
BUS CLK
BUS DATA
BUS ON
B/U+5V
CN902-2
R
MUTING
Q920
AUDIO
OUT
MUTING
Q910
CN902-1
L
+9V REG.
Q931
+6V REG.
Q950
B+ SWITCH
Q930,970
DRIVE
+5V REG.
Q972
+3V REG.
Q800, 801
LAMP DRIVE
Q600, 601