Sharp DX-SX1H Service Manual page 15

R/C 32
KEY1 95
KEY2 96
E_CS 87
E_CK 57
E_DA 86
OG1 67
OG2 26
MSLA 88
DATI
89
MSCK
90
O
92
Y 91
S 117
T 31
TE 66
2 ~ 5
A3
11 ~
7 14
23
~
16 23
~D3 ~
34 37
~
D11 46
39
D15
~
48 51
~
2 12 , 23 , 25
, 26, 27 , 28
A16 ~ A0 A10 A11,A9,A8,A13
IC804
CE1
1Mbit SRAM
OE
IX2839AF
R/W
I/O1 ~ I/O3 I/O4 ~ I/O8
~ ~
13 15 , 17 21
~ 8 , 16 24 , 25 , 28 ~
1
~
A18 A0
IC805
WR
IX1539GE
/CE
FLASH ROM (4M)
/OE
D0 ~ D16
29 36 , 38 45 ~ ~
1 2 3 4 5 6 7 8
TO MAIN
9
~ 13 , 16
51 , 52 , 55 63
A1
A0
XMSLAT
7
MSCK
8
MSDATI
9
10 MSDATO
11 XMSREDY
SMUTE
6
13 XRST
14 MCKI
/RP
12
9 12 1 2 3
10 11 4
TO MAIN
Figure 15 BLOCK DIAGRAM (4/6)
IC903
16Mbit SDRAM
IX2840AF
21 2 ~
~ 5 , 24 ~ 27
~
70 ~ 77
A2~A10
D7~D0
IC901
CXD2751Q
SACD PLAYBACK
SIGNAL
PROCESSOR
5 6 7 8
5 1 2 3 4
TO DISPLAY
– 15 –
6 , 7 , 22 , 23
66 68 69
67
WCK
80
WRFD 81
WAD0 82 3
WAD7 89 12
~
~
9 10 11 12 13 14 1 2 3
DX-SX1H
PCLK
DATA
WARF
12
D0
D7
VIN 17
IC902
A/D CONVERTER
ADC08351
CNP902
1
DACCK
2
DACDT
3 DSDCTL
VOLCS
4
5 EXTCK
6 EXTDO
7 EXTST
EXTDI
8
D_GND
9
DACRST
10
RXDA
11
5 6 7 8
4 9 10 11 12 13
TO POWER