Block Diagram - Main Section (2/2) - Sony SCD-XB940 Service Manual

2-3. BLOCK DIAGRAM – MAIN Section (2/2) –
HD0 – 15
(Page 9) 4
HA0 – 19
(Page 9) 5
HD8 – 15
MCK
(Page 9) 3
59 MCK
XSDPRD, XSDPWR,
XSDPCS, XSDPINT
XSDPRD
6
(Page 9) 117 SDSPRD
XSDPWR
116 SDSPWR
XSDPCS
118 SDPCS
XSDPINT
115 SDPIT
FCSON
(Page 9) 7 54 FCSON
XSDPRST
8
(Page 9) 114 SDPRST
SPDLSTOP
10
(Page 9) 57 SPDLSTOP
XDRV MUTE
13
(Page 9) 93 XDRVMUTE
LDMM/DMM,
LDMP/DMP
LDMM/DMM
14
(Page 9) 91 LDMM/DMM
LDMP/DMP
92 LDMP/DMP
OCSW1, OCSW2
OCSW1
(Page 9) 15
64 OCSW1
OCSW2
63 OCSW2
SPGAIN
12
(Page 9) 94 SPGAIN
LOCK
(Page 10) 24 105 LOCK
MD2, MUTE,
DFCT, NORF
MD2
21
(Page 10) 99 MD2
MUTE
98 MUTE
DFCT
103 DFCT
NORF
102 NORF
FWON, XARPWR,
XARPRD, XARPCS
FWON
(Page 10) 20
104 FWON
XARPWR
109 ARPWR
XARPRD
110 ARPRD
XARPCS
111 ARPCS
XARPWT, XARPRST,
XARPINT
XARPWT
19
(Page 10) 108 ARPWT
XARPRST
106 ARPRST
XARPINT
107 ARPINT
AVDRST AVDRST
18
(Page 10) 71 AVDRST
IFBSY
31
(Page 13) 22 XIFINT
XFRRST
30
(Page 13)
RSTX
9
(Page 9)
IFSI0, IFSO0, IFSCO, XVIFCS
29
(Page 13)
05
DATA BUS
ADDRESS BUS
HA0 – 5,
HD0 – 15
HA17 – 19
7 – 10, 13 – 16,
126 – 133 146 – 148, 149 – 154
29 – 32, 35 – 38
HD0 – 7 HA17 – 19, HA0 – 5
I/O0 – 15
XRAMWE 113 17 WE
RAMUB 124 40 UB
RAMLB 125 39 LB
XRAMDE 112 41 OE
6 CS
CS1 141
CPUCK 135
CS4 142
HWRL 143
HWRH 144
HRD 145
HINT3 155
HINT1 156
WAIT 157
RST 3
EXPANDER
IC612
EEPROM
IC600
XEBSY 25 1 R/B
XEWC 24 8 WC
XECS 23 3 CS
IFSI0
IFSO0
SWITCHING
IC606 (1/3)
IFSCO SWITCHING
IC606 (2/3)
XVIFCS
SWITCHING
IC606 (3/3)
HA1 – 16 HD0 – 16 HA1 – 18
1 – 5, 18 – 21,
13 – 20, 22 – 29 1 – 9, 32 – 40
24 – 27, 42 – 44
D0 – 15 A0 – 17
A0 – 15
XCE 10
S-RAM ROM
IC609 IC632
XOE
12
SK 4
DI 5
DO 6
11 11
DATA BUS
ADDRESS BUS
HD0 – 15 HA0 – 19
85 – 100 1 – 3, 102 – 109, 111 – 118, 120
D16 – 31 A00 – 19
XCE
65 CS0X WD1X 63
SHRMUT
CS0H 58
SHRLT
RAS1 60
SCK1
SC1 39
SOUT1
SO1 38
SIN1
SI1 37
SHRRDY
CS1H 62
66 CS1X
71 CLK
69 CS4X
INIT
OCPA1 21
LATCH
84 WR1X
OCPA0 20
SHIFT
83 WR0X
CS7X 19
82 RXD
DATA
CS6X 18
MODE
TRG1 17
28 INT3
26 INT1
79 RDY
16 TRG0
SYSTEM
CONTROLLER
IC605
OCPA2 22
36 SC0
35 SO0
33 OU0
CN600
SO2
74 RSTX SO2 41
SI2
SI2 40
XDIAGON
A23 7
CTS
A22 6
SC2
SC2 42
57 CSOL
X1 X0
53 54
X600
12.5MHz
SCD-XB940
HD0 – 15
23
(Page 10)
HA0 – 19
22
(Page 10)
XCE, SHRMUT, SHRLT
17
(Page 10)
SHRMUT, SHRLT, SCK1,
SOUT1, SIN1, SHRRDY
16
(Page 10)
INIT, LATCH, SHIFT,
DATA, MODE
32
(Page 12)
AMUTEZ
33
(Page 12)
TXD
RXD
DIAGN (FOR CHECK)
CTS
JIGCLK