Sony MVC-CD300 Service Manual page 8

MVC-CD200/CD300
3-11.MD BLOCK DIAGRAM (1/3) ( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
MD-083 BOARD(1/3)
CN404
HDB0-HDB15
31
16 DATA
46
HA0-HA2 19
3 22 ADDRESS
18
DREQ HDREQ
29
HINT HINTRQ
21
HCS0 XHCS0
17
HCS1 XHCS1
16 (IC414)
DACK XHDAK
23
IOR XHIOR
24
IOW XHIOW
26
HRESET XCDR RSTO
30 (IC207,404,420)
1 4
IC419
(4-53)
DECEFM DECEFM
2
FMDT FMDT
1
(IC013)
(SEE PAGE 3-23)
MPXO IF
5
BACKUP VCC
(CN404 48 )
IC401
D405
CAMERA(2)
SRAM
(SY-67)
(SEE PAGE
8
3-20)
XCSSRAM
XCE1 30
SRAM CE
CE2 6
XRD
32
X0E
XWR
RX/W 5
1 4 A0-A16
10 20
31
D8-D15
21
8
(4-52) 29
CW 3.4V (CN404 15 )
Q403,404,418
D 3.4V (CN404 9 10 )
D 4.6V (CN404 11 12 )
XMD POWER SAVE
20
CW UNREG
(CN404 13 14 )
TH401
TH OUT
3
MODE CONTROL
IC422
(SY-67)
(4-53)
(SEE PAGE
XLID OPEN EJECT
3-6
47 (IC404,CN001)
of LEVEL 2) 1 4
16
(4-54)
HD0-HD15 84
16
IC414
102
HA0-HA2 72
ATAPI
3 74 CD-R
ENC/DEC
71
EFM ENC
CONTROL
HDREQ
82
HINTRQ
76
XHCS0
70
(CN404) XHCS1
69
XHDAK
77
XHIOR
80
XHIOW
81
75
XCLRST
28
XRD
5
XWR
4
(IC404)
XCLDINT
26
XCLHINT
25
4.6V
(4-53)
XCAS
IC408 23 128
XMOE
22 2
XRAS
7 127
4MBYTE XWE
BUFFER 6 3
DRAW
8 BA0-BA11 114
12
21 126
2
BD0-BD7 103
5
8
24
111
27 15 8 24
(IC207)
(SEE PAGE 3-23)
8 8
(IC404)
11
IC407
17
BUS
SW
9
8
XPD(IC404)
Q407,409
DSP 3.4V
3.4V
FB410
4.6V
FB405
4.6V-2
DC/DC
POWER 5V
CONVERTER
IC425
(4-53)
Q411,417
3-21
ENCEFM
42
ATSY
54
CLVM
47
ENSY
40 (IC207)
SOCK
(SEE PAGE 3-23)
41
WLDON
33
(4-53)
IC413
45
C34MV (IC207)
4 2 (SEE PAGE 3-23)
29
C17MV (IC207)
4 2
IC410
(4-53)
C2PO
61
EXCK
58
GRSCOR
65
SBSO (IC201)
57
SQSY (SEE PAGE 3-25)
60
WFCK
59
FMCK
55
FMDT
56
MDATA
64
LRCK
62
BCLK
63
XCSCL
6
17
(4-53)
19
19
IC200
XRD
TSHOCK
1 (IC404) TE
DETECT
3
(IC013)
2 (SEE PAGE
3-24)
(4-49)
D8-D15
(4-51)
EJECT
76
IC404
(CN404) XCDR RSTO
62
SYSTEM
SRAM CE
CONTROL
89
(IC401) (MD)
NMI
63
(IC207)
(SEE PAGE 3-23)
XPD
(Q407) 16
E2DI
4 97
IC406 E2DO
3 5
E2RST
6 10
EEPROM XE2CK
2 8
XE2CS
1 99
(4-52)
XCLRST
14
(IC414)
XCLDINT
74
(IC414)
XCLHINT
75
IC208
IC423
XCLR
6 91
1 TSHOOK
7 5 94
IC400
53 32
FSHOOK
3
OR,
LAICH
A0-A19 20
(4-51)
TSNSCMP(IC019)
(SEE PAGE 3-24)
3-22
ENCEFM MD BLOCK(2/3)
(SEE PAGE 3-23)
(4-51)
IC403
ASTY
3 (IC414)
4 1
C17MV
67
(IC207)
(SEE PAGE
IC418
(4-51)
3-23)
TZC
1 (IC013)
4 2
IC402
(4-51)
LMT
92
4 2
LDEN
55 (SEE PAGE 3-24)
(CN001)
SLFG
2 (IC207) (SEE PAGE 3-23)
SP ON
(SEE PAGE 3-26)
54 (IC003)
XRFRST
21 (IC013)
(SEE PAGE
WAPCFUP
3-24)
96
(IC012)
SENS
95
SNSCLK
(IC201)
56
(SEE PAGE
XMRST
19
3-25)
C2PO
6
XGAINT
73
(IC207)
XSQINT
12 (SEE PAGE
3-23)
XRD
71
(IC207,401, 407,414)
XWR
72
(SEE PAGE
3-23)
DOOR LOCK
100
23 30
8
D8-D15
ADDRESS
MD BLOCK(2/3)
DATA
(SEE PAGE
3-23)
FM CK
FM DT
MDATA
LRCK
BCLK
MD BLOCK(3/3)
(SEE PAGE
FSHOCK
3-25)
LMT
PL902
Q412,416
VCC DOOR LOCK
3.4V 1
PLUNGER
CN405