Circuit Diagram (Main Pcb 3/15) [Cpu (2)/Dac] - Tally Dascom 7010 Series Maintenance Manual

1 2
U1C
D
132 R54 0
T132
TRCDATA3
133 T134 R55 0
TRCDATA2
136 T136 R56 0
TRCDATA1
137 R57 0
T138
TRCDATA0
138 T140 R58 0
TRCEND
139 T142 R59 0
TRCCLK
140
T144 R60 0
DDO
141 T146
DDI
142 T147
DRST
143
T148
DMS
144 T149
DCK
V3R3
R61 4.7k
V850/ME2
R63 4.7k
R64 4.7k
R65 4.7k
U1B
C
V3R3
38
EVDD
53
EVDD
70
EVDD
IVDD
89
EVDD
IVDD
100
EVDD IVDD
115
EVDD
IVDD
128
EVDD
IVDD
150
EVDD IVDD
3
AVDD
PLLVDD
162
UVDD
163
OSCVDD
39
EVSS
54
EVSS IVSS
71
EVSS IVSS
90
EVSS IVSS
101
EVSS IVSS
116
EVSS IVSS
129
EVSS IVSS
151 PLLVSS 168
EVSS
B
14
AVSS
166
OSCVSS
V850/ME2
A
1 2

Circuit Diagram (Main PCB 3/15) [CPU (2)/DAC]

3 4
V3R3
J1
1 2
TRCCLK
3 4
TRCDATA0
5 6
TRCDATA1
7 8
TRCDATA2
9 10
T133
TRCDATA3
11 12
T135 TRCEND
13 14
T137 DDI
15 16
T139 DCK
17 18
T141 DMS
19 20
T143 DDO
21 22
DRSTZ
23 24
T145
24FLT
R62
22k
V1R5
26
55
84
V3R3
102
134
157
R66
167
*22k
2,11 DACIN
2,11 DACCLK
6 CS_DAC
R195
22k
27
56
85
103
135
158
3 4
5 6
VREF
R67 R68
22k 22k
U4
T150
12 1
DI AO1 PFMOTCU
11 2 T151
PESNSLED
CLK AO2
10 T152
5
CSB AO3
T155
13 6
VFS AO4
R196
V5R0
*22k
3
9
TM1 VDD
4
TM2
C24
7 14
NC1 VSS
0.1u/16
8
NC2
BH2227
5
6
6-6
7
U5A
8
9
R69 22k T153 T154
3 1
+ MTREF
2
-
R192 C23
*22k 1000p/50 BA2904
Title
MAIN PCB - CPU (2) / DAC
Size Number
JN66701-0
A4
Date: Sheet of
File: Drawn By:
7
8
D
C
12
B
A
(3/15)
Revision
A
8