Arcam DiVA CD72 Service Manual page 26

1 2
BCKO
BCKO
WCKO
WCKO
DOL
DOL
D
DOR
DOR
CCLK
CCLK
VCCD
L6
VCCD
33UH 2A RA
R41
+
10R SM
GND
GND
C91 C49 C45 C92
MRESET must be tied LOW
WR
C
RB0
MODE0
RB6
MODE1
D[0..7]
D[0..7]
LDC
B LDC
DSP
DSP
SER_CLK
SER_CLK
SER_DIN
SER_DIN
SER CH
SER_CH
DONE
DONE
R47
15K SM
A
1 2
3 4
VFPGA
53
VSS6
54
VSS7
55
TR_12 IO44/A16
56
IO45
57
WR
IO46
58
R0
IO47
59
TR_11 IO48/A17
60
R1
IO49
61
R2
IO50
R3 62
IO51
63
R4
IO52
64
R5
IO53
65
VDD4
66
R6
IO54
67
R7
IO55
R8 68
IO56
69
R9
IO57
R10 70
IO58
R11 71
IO59
72
R12
IO60
73
R13
IO61
74
VSS8
75
R14
IO62
R15 76
IO63
L15 77
IO64
78
L14
IO65
79
VSS9
L13 80
IO66
81
L12
IO67
L11 82
IO68
L10 83
IO69
84
VSS10
L9 85
IO70
L8 86
IO71
87
L7
IO72
L6 88
IO73
89
TR_10 IO74/HDC
90
L5
IO75
L4 91
IO76
L3 92
IO77
93
VDD5
94
IO78/LDC
L2 95
IO79
96
L1
IO80
L0 97
IO81
98
IO82/INIT
99
IO83
100
IO84
101
IO85
102
IO86
103
VSS11
104
DONE
R48
TR_1
15K SM
GO
M0 M2
23425
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
Filename
3 J:\FILES\L-ELECT\PCB complete packages\l900s\l912 New 2000 DAC\L912_2.0\L912_2.0.DDB - L912C2_2.0.SCH 4
5
A/D
NMODE
PMODE
VFPGA
208
RD_DT
207
VSS21
206
IO171/TCK
205
IO170
204
IO169
203
IC61 IO168
202
ATT2C002 IO167/TMS
201
IO166
200
IO165/TDI
199
IO164
198
IO163
197
IO162
196
VDD10
195
IO161/DOUT
194
IO160
193
IO159
192
IO158
191
IO157/D0
190
IO156
189
IO155
188
IO154/D1
187
VSS20
186
IO153/D2
185
IO152
184
IO151
183
IO150
182
VSS19
181
IO149/D3
180
IO148
179
IO147
178
IO146
177
VSS18
176
IO145/D4
175
IO144
174
IO143
173
IO142
172
IO141/D5
171
IO140
170
IO139
169
IO138
168
VDD9
167
IO137/D6
166
IO136
165
IO135
164
IO134
163
IO133/D7
162
IO132
161
IO131
160
IO130/RCLK
159
IO129
158
VSS17
157
VSS16
TR_8
TR_5
CLK17M_5V_FPGA
DRAWING TITLE
9 CD DAC DRIVER
Circuit Diagram
Notes:
5
6 7
A/D
NMODE
PMODE
AA[0..15]
AA[0..15]
A[0..15]
A[0..15]
TR_16
TR_15
TR_13
INTR
INTR
SEL[0..2]
SEL[0..2]
TR_14
RDYO
RDYO
SEL2
D0
D1
D2
SEL1
SEL0
D3
MUTE
HDCD
D4
D5
TR_6
TR_7
TR_9
D6
TR_2
TR_3
TR_4
D7
D8
D9
D10
L[0..15]
L[0..15]
R[0..15]
R[0..15]
CW 9-6-01
01_1084 CW 30-4-01 Listening component changes
01_1078 CW 1-5-01 Production release
ECO No. INITIALS DATE DESCRIPTION OF CHANGE
Date Printed Drawn by:
Sheet 2 of 8
DRAWING NO.
CW
28-Jun-2001
6 7
8
D
C
B
A
2 0
1.1
1.0
ISSUE
L912CT
8