Yamaha DP-U50 Service Manual page 16

DP-U50
QQ
3 7 63 1515 0
I IC DATA
IC417 : YSS928
AC3D3
RAMA10
RAMA11
VSS
VDD2
SELI8
SELI7
SELI6
SELI5
RAMA12
RAMA13
RAMA14
RAMA15
RAMA16
RAMA17
OVFB/END
ZEROFLG
VSS
NONPCM
DTSDATA
AC3DATA
MUTE
KARAOKE
VDD1
SURENC
CRC
/LOCK
DIRINT
/CS
SO
SCK
IPINT
SELI4
VSS
SELI3
SELI2
TESTXI
TESTXO
TE
L 13942296513
VDD2
C
FS128/C
FS128
U
SYNC/U
SYNC
DIRINT
DDIN0
DDIN1
DDIN2
DDIN3
BS
ERR/BS
ERR
www
V
DBL/V
/LOCK
.
15
http://www.xiaoyu163.com
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
SI 150
151
152
/IC
153
154
155
156
157
158
159
160
CONTROL REGISTER
CONTROL SIGNAL
x ao
y
i
http://www.xiaoyu163.com
8
YSS928
Q Q
3 6 7 1 3
MICROPROCESSOR INTERFACE
MPLOAD
SDIBCKSEL
u163
.
2 9 9 4 2 8
80 RAMD2
79 RAMD1
78 RAMD0
77
VDD2
76 VSS
75 OPORT7
74 OPORT6
73
OPORT5
72
OPORT4
71 OPORT3
70 OPORT2
69 OPORT1
68 OPORT0
67
ZEROBF2L
66 ZEROBF2R
65 ZEROBF3L
64 ZEROBF3R
63
VDD1
62
SDOB0
61 SDOB1
60 SDOB2
59
SDOB3
58
VSS
57
SDBCKI1
56 SDWCKI1
55 DBL/V
54
FS128/C
53
SYNC/U
52
ERR/BS
51 DIRMCK
50 DIRBCK
49
DIRWCK
48
DIRSDO
47
IPORT14
46
IPORT13
45
IPORT12
44
VDD2
43
VSS
42 SDIB0
1 5 0 5 8 2 9 9 4
41 SDIB1
SELA SELB
SELOB
SELOA
COEFFICIENT
PROGRAM
RAM
SDBCKI1
SDWCKI1
SDOBCKSEL
SDOB0
SDOB1
SDOB2
m
SDOB3
co
EXTERNAL
RAM
INTERFACE OVFSEL
9 9
2 8 9 9