Tektronix SDA601, Service Manual

Page: 113 / 132

4
/BFR_OEA
/RTS
DAC[0..4]
B4
2
E2
4
/BFR_CASB
/BFR_CASA
/BFR_RASA
/BFR_RASB
/BFR_CASA
/BFR_CASB
/BFR_RASB
/BFR_RASA
104
105
DES_CLK
156
157
208
TOP VIEW
U9 & U10
R27
D3
3
R78
150.0
IN_CLK
NOT INSTALLED AUTO DIAGNOSTICS PADS
TP0
TP1
TP2
TP3
TP4
TP5
A0
A1
A2
A3
A4
1
60
61 80
U16
TOP VIEW
C39
220PF
R38
100.0K
R36
332.0K
PWR_MON
B2
4
VSET
G2
3
G2
3
D4
3
SOUT_LEVEL
SIG_STRENGTH
ADREF
ROW0
ROW1
ROW2
HOTHOT
CONTR_UP
LCD_CONTRL
CLEAN_VCC
CLEAN_VCC
C62
220PF
C40
220PF C41
220PF
VSET
C64
220PF
PWRMON_SAFE
P70/AN10
56
P71/AN11
57
P72/AN12
58
P73/AN13
59
P74/AN14
60
P75/AN15
61
P76/AN16
62
P77/AN17
63
AVDD
64
AVEREF1
65
AVSS
66
ANO0
67
ANO1
68
AVREF2
69
AVREF3
70
P20/NMI
71
P21/INTP0
72
P22/INTP1
73
P23/INTP2/CI
74
P24/INTP3
75
P25/INTP4/ASCK
76
P26/INTP5
77
P27/SI
78
X2
9
X1
10
MODE
46
RESET
7
P40/AD0
43
P41/AD1
42
P42/AD2
41
P43/AD3
40
P44/AD4
39
P45/AD5
38
P46/AD6
37
P47/AD7
36
P50/A8
35
P51/A9
34
P52/A10
33
P53/A11
32
P54/A12
31
P55/A13
30
P56/A14
29
P57/A15
28
P60/A16
27
P61/A17
26
P62/A18
25
P63/A19
24
P64/RD
23
P65/WR
22
P66/WAIT
21
P67/REFRQ
20
ASTB
44
PO0
12
PO1
13
PO2
14
PO3
15
PO4
16
PO5
17
PO6
18
PO7
19
P10/PWM0
47
P11/PWM1
48
P12
49
P13
50
P14
51
P16
53
P17
54
P30/RXD
79
P31/TXD
80
P32/SCK
1
P33/SQ/SB0
2
P34/TO0
3
P35/TO1
4
P36/TO2
5
P37/TO3
6
VSS
45
VSS
11
VDD
55
VDD
8
P15
52
U16
UPD78237
C31
.1UF
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A8
A9
A10
A11
A12
A13
A14
A15
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A18
A19
/UP_WRITE
/UP_READ
/INITBUS
UP_RESET
/UP_RESET
A16
P_A17
21
22 40
41
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
SERM1
SPARE4
SPARE204
P_A17
IN_CLK
IN_CLK
E3
3
XILINX0
DAC0
DAC1
DAC2
DAC3
DAC4
C180
.1UF
BIDI, SPARES & MISC.
PGCK1/A16/IO
4
PGCK2/IO
57
PGCK3/IO
110
PGCK4/A1/IO
162
SGCK1/A15/IO
204
SGCK2/IO
47
SGCK3/IO
100
SGCK4/DOUT/IO
152
M0
50
M1/O
48
M2
56
CCLK
153
PROGRAM
108
DONE
103
RDY/BUSY/IO
148
HDC/IO
58
LDC/IO
62
INIT/IO
77
DIN/D0/IO
151
D1/IO
147
D2/IO
138
D3/IO
132
D4/IO
128
D5/IO
122
D6/IO
113
D7/IO
109
CS0/IO
123
CS1/A2/IO
165
RS/IO
133
WS/A0/IO
161
A3/IO
166
A4/IO
174
A5/IO
175
A6/IO
180
A7/IO
181
A8/IO
184
A9/IO
185
A10/IO
190
A11/IO
191
A12/IO
199
A13/IO
200
A14/IO
203
A17/IO
5
TDI/IO
8
TCK/IO
9
TMS/IO
17
TDO
159
VCC
26
VCC
55
VCC
78
VCC
106
VCC
130
VCC
154
VCC
183
VCC
205
GND
2
GND
14
GND
25
GND
37
GND
49
GND
67
GND
79
GND
90
GND
101
GND
119
GND
131
GND
142
GND
160
GND
171
GND
182
GND
194
NC
1
NC
3
NC
51
NC
52
NC
53
NC
54
NC
102
NC
104
NC
105
NC
107
NC
155
NC
156
NC
157
NC
158
NC
206
NC
207
NC
208
IO6
6
IO7
7
IO10
10
IO11
11
IO12
12
IO13
13
IO15
15
IO16
16
IO18
18
IO19
19
IO20
20
IO21
21
IO22
22
IO23
23
IO24
24
IO27
27
IO28
28
IO29
29
IO30
30
1O31
31
IO32
32
IO33
33
IO34
34
IO35
35
IO36
36
IO38
38
IO39
39
IO40
40
IO41
41
IO42
42
IO43
43
IO44
44
IO45
45
IO46
46
IO59
59
IO60
60
IO61
61
IO63
63
IO64
64
IO65
65
IO66
66
IO68
68
IO69
69
IO70
70
IO71
71
IO72
72
IO73
73
IO74
74
IO75
75
IO76
76
IO80
80
IO81
81
IO82
82
IO83
83
IO84
84
IO85
85
IO86
86
IO87
87
IO88
88
IO89
89
IO91
91
IO92
92
IO93
93
IO94
94
IO95
95
IO96
96
IO97
97
IO98
98
IO99
99
IO111
111
IO112
112
IO114
114
IO115
115
IO116
116
IO117
117
IO118
118
IO120
120
IO121
121
IO124
124
IO125
125
IO126
126
IO127
127
IO129
129
IO134
134
IO135
135
IO136
136
IO137
137
IO139
139
IO140
140
IO141
141
IO143
143
IO144
144
IO145
145
IO146
146
IO149
149
IO150
150
IO163
163
IO164
164
IO167
167
IO168
168
IO169
169
IO170
170
IO172
172
IO173
173
IO176
176
IO177
177
IO178
178
IO179
179
IO186
186
IO187
187
IO188
188
IO189
189
IO192
192
IO193
193
IO195
195
IO196
196
IO197
197
IO198
198
IO201
201
IO202
202
U9
XC4010E---4
IN_CLK
OUT9
SPARE4
SPARE204
BFR_D[0..47]
BFR_A[0..8]
BIDI, SPARES & MISC.
XILINX1
BFR_D[0..47]
BFR_A[0..8]
BFR_D7
BFR_D18
BFR_D30
BFR_D42
BIDI6
DAC[0..4]
1 52
53
PGCK1/A16/IO
4
PGCK2/IO
57
PGCK3/IO
110
PGCK4/A1/IO
162
SGCK1/A15/IO
204
SGCK2/IO
47
SGCK3/IO
100
SGCK4/DOUT/IO
152
M0
50
M1/O
48
M2
56
CCLK
153
PROGRAM
108
DONE
103
RDY/BUSY/IO
148
HDC/IO
58
LDC/IO
62
INIT/IO
77
DIN/D0/IO
151
D1/IO
147
D2/IO
138
D3/IO
132
D4/IO
128
D5/IO
122
D6/IO
113
D7/IO
109
CS0/IO
123
CS1/A2/IO
165
RS/IO
133
WS/A0/IO
161
A3/IO
166
A4/IO
174
A5/IO
175
A6/IO
180
A7/IO
181
A8/IO
184
A9/IO
185
A10/IO
190
A11/IO
191
A12/IO
199
A13/IO
200
A14/IO
203
A17/IO
5
TDI/IO
8
TCK/IO
9
TMS/IO
17
TDO
159
VCC
26
VCC
55
VCC
78
VCC
106
VCC
130
VCC
154
VCC
183
VCC
205
GND
2
GND
14
GND
25
GND
37
GND
49
GND
67
GND
79
GND
90
GND
101
GND
119
GND
131
GND
142
GND
160
GND
171
GND
182
GND
194
NC
1
NC
3
NC
51
NC
52
NC
53
NC
54
NC
102
NC
104
NC
105
NC
107
NC
155
NC
156
NC
157
NC
158
NC
206
NC
207
NC
208
IO6
6
IO7
7
IO10
10
IO11
11
IO12
12
IO13
13
IO15
15
IO16
16
IO18
18
IO19
19
IO20
20
IO21
21
IO22
22
IO23
23
IO24
24
IO27
27
IO28
28
IO29
29
IO30
30
1O31
31
IO32
32
IO33
33
IO34
34
IO35
35
IO36
36
IO38
38
IO39
39
IO40
40
IO41
41
IO42
42
IO43
43
IO44
44
IO45
45
IO46
46
IO59
59
IO60
60
IO61
61
IO63
63
IO64
64
IO65
65
IO66
66
IO68
68
IO69
69
IO70
70
IO71
71
IO72
72
IO73
73
IO74
74
IO75
75
IO76
76
IO80
80
IO81
81
IO82
82
IO83
83
IO84
84
IO85
85
IO86
86
IO87
87
IO88
88
IO89
89
IO91
91
IO92
92
IO93
93
IO94
94
IO95
95
IO96
96
IO97
97
IO98
98
IO99
99
IO111
111
IO112
112
IO114
114
IO115
115
IO116
116
IO117
117
IO118
118
IO120
120
IO121
121
IO124
124
IO125
125
IO126
126
IO127
127
IO129
129
IO134
134
IO135
135
IO136
136
IO137
137
IO139
139
IO140
140
IO141
141
IO143
143
IO144
144
IO145
145
IO146
146
IO149
149
IO150
150
IO163
163
IO164
164
IO167
167
IO168
168
IO169
169
IO170
170
IO172
172
IO173
173
IO176
176
IO177
177
IO178
178
IO179
179
IO186
186
IO187
187
IO188
188
IO189
189
IO192
192
IO193
193
IO195
195
IO196
196
IO197
197
IO198
198
IO201
201
IO202
202
U10
XC4010E---4
BFR_D[0..47]
BFR_A[0..8]
B2
2
G2
2
SERM0
SERM1
B2
3
BFR_D2
BFR_D14
BFR_D37
BIDI1
BFR_D3
BFR_D4
BFR_D5
BFR_D6
BFR_D15
BFR_D16
BFR_D17
BFR_D26
BFR_D27
BFR_D28
BFR_D29
BFR_D38
BFR_D39
BFR_D40
BFR_D41
BIDI2
BIDI4
BIDI5
SERM1
SERM0
/INITBUS
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
/UP_READ
/CS1
A19
/PROG1
LCDE
OUT8
BIDI3
SPARE7
SPARE152
+5V
+5V
TP28
/PROG1
/CS1
BFR_D0
BFR_D12
BFR_D24
BFR_D36
DACSYNC
SPARE34
OUT9
OUT8
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
OUT0
SPARE61
SPARE64
SPARE66
DES_CLK
SPARE60
+5V
+5V
SPARE35
POWER_DOWN
SEL_SERCLK
/CTS
/POT_RESET
/UP_WRITE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
/UP_READ
/PROG0
SERM0
CG_DOTCLK
SPARE152
A19
A18
LCDE
/INITBUS
SPARE148
TP27
AD0
AD0
A4
3
E1
4
A4
E3
3
B5
C1
4
NC
/UP_WRITE
/UP_READ
A16
A17
A18
/UP_WAIT
BACKLIGHT
CG_STROBE
ALE
/PROG0
A19
/DRAM_HOLD
POWER_SAVE
PWRDWN_SER
/UP_RESET
ROW3
HOTHOT
ADREF
UP_MODE
/ONKEY_SAFE
ROW4
ROW5
ROW6
ROW7
UP_NMI
C32
15PF
C33
15PF
1
2
Y1
12MHZ
RT1
50K
R56
8.25K
LOCKED_INP
+5V
RST
1
VCC
3
GND
2
GND
U12
DS1233
+5V
VIN
1
GND
3
NC
5
VOUT
2
NC
4
NC 8
NC 6
NC 7
U18
MC1403
ADREF
+5V
C37
1UF
C38
220PF
1 4
5 29
30
U5
TOP VIEW
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
A15
3
A16
2
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
OE
24
CE
22
WE
31
A17
30
A18
1
VCC
32
GND
16
U5
29F040
ROW3
COL0
COL1
COL2
COL3
COL4
/RTS
CG_DCLK
RTC/LITH
CG_BUSY
CG_DATA
D1
2
Q1
19
D2
3
Q2
18
D3
4
Q3
17
D4
5
Q4
16
D5
6
Q5
15
D6
7
Q6
14
D7
8
Q7
13
D8
9
Q8
12
EN
11
OC
1
U11
74HC573
CHARGE_DISA
SPEAKER
ENA_VSET
/TXD
/RXD
A17
BFR_A2
BFR_A3
BFR_A8
/BFR_RASB
/BFR_RASA
/BFR_OEA
/BFR_OEB
/UP_WAIT
SPARE189
/UP_WRITE
IN6
IN7
BUS0
BUS7
SPARE8
SPARE203
+5V
1
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R54
4.7K
G2
3
E1
4
B2
4
BFR_D1
BFR_D2
BFR_D3
BFR_D4
BFR_D5
BFR_D13
BFR_D14
BFR_D15
BFR_D16
BFR_D17
BFR_D25
BFR_D26
BFR_D27
BFR_D28
BFR_D37
BFR_D38
BFR_D39
BFR_D40
BIDI0
BIDI1
BIDI2
BIDI3
BIDI4
/UP_WRITE
BFR_D11
BFR_D22
BFR_D34
BIDI8
BIDI10
BFR_A4
BFR_A5
/BFR_CASA
/BFR_CASB
BFR_D35
BFR_D47
IN0
IN1
IN8
/BFR_RASB
/BFR_RASA BFR_D0
BFR_D1
BFR_D12
BFR_D13
BFR_D24
BFR_D25
BFR_D36
BIDI0
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
OUT0
SPARE61
SPARE64
SPARE66
CG_DOTCLK
SPARE60
E2
4
DACSYNC
DAC0
DAC1
DAC2
DAC3
DAC4
DACSYNC
SPARE34
OUT7
CG_REPLACE
/CG_HSYNC
/CG_VSYNC
SPARE24
BUS1
BUS2
BUS3
BUS4
BUS5
BUS6
BUS8
BUS9
BUS7
UP_NMI
SPARE35
+5V
BFR_D6
BFR_D7
BFR_D8
BFR_D9
BFR_D10
BFR_D18
BFR_D19
BFR_D20
BFR_D21
BFR_D29
BFR_D30
BFR_D31
BFR_D32
BFR_D33
BFR_D41
BFR_D42
BFR_D43
BFR_D44
BFR_D45
BIDI5
BIDI6
BIDI7
BIDI8
BIDI9
+5V
CLEAN_VCC
Q10
R67
10.0K
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
ROW0
ROW1
ROW2
ROW4
ROW5
ROW6
ROW7
/ONKEY_SAFE
UP_MODE
/INITBUS
ALE
UP_RESET
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A0
A1
A2
A3
A4
A5
A6
A7 /PROG0
/BFR_RASB
POWER_SAVE
POWER_SAVE
RTC/LITH
PWRDWN_SER
+5V
R65
10.0K
/DRAM_HOLD
CR10
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A18
A19
/UP_WRITE
/UP_READ
A16
P_A17
14 20
21 13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J3
J3
CONNECTS
TO J1
A2
KEY
BOARD
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J4
ON_KEY
COL0
COL1
COL2
COL3
COL4 /ONKEY_SAFE
ON_KEY
LCDE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
LCD_CONTRL
+5V
R55
10.0K
VCC_ALWAYS
Q4
Q11
C70
.1UF
R61
0.0
R84
/PROG0
/UP_RESET
/DRAM_HOLD
/BFR_CASA
/BFR_CASB
/BFR_RASA
/PROG1
PWRDWN_SER
RTC/LITH
CR8
CR9
A4
4
G2
3
/CG_HSYNC
BUS1
BUS2
BUS3
BUS4
BUS5
BUS6
BUS8
BUS9
SPARE6
SPARE7
CLEAN_VCC
VCC_PSS
VCC_PS
R29
Q17
C80
.1UF
C2
.1UF
R79
10.0K
BFR_A0
BFR_A1
BFR_A4
BFR_A5
BFR_A6
BFR_A7
/BFR_WEB
/BFR_WEA
/BFR_CASA
/BFR_CASB
BFR_D11
BFR_D22
BFR_D23
BFR_D34
BFR_D35
BFR_D46
BFR_D47
BIDI10
BIDI11
ALE
IN0
IN1
IN2
BFR_D9
BFR_D10
BFR_D20
BFR_D21
BFR_D32
BFR_D33
BFR_D44
BFR_D45
BFR_D46
BIDI9
SPARE148
BFR_A1
BFR_A6
BFR_A7
/BFR_WEB
/BFR_WEA
IN2
IN3
IN4
IN5
IN9
SPARE6
BFR_A2
BFR_A3
BFR_A8
/BFR_OEA
/BFR_OEB
/UP_WAIT
SPARE189
BUS0
SPARE8
SPARE203
IN6
IN7
/BFR_WEB
/BFR_WEA
/BFR_OEB
B4
2
OUT[0..9]
E3
3
BFR_D23
BFR_A0
BIDI11
ALE
A17
OUT[0..9]
IN[0..9]
BFR_D8
BFR_D19
BFR_D31
BFR_D43
BIDI7
VCC +5V VDD
IN[0..9]
OUT[0..9]
IN3
IN4
IN5
IN8
IN9
GND VSS
IN[0..9]
CG_OUT
CG_REPLACE
/CG_VSYNC
SPARE24
IN[0..9]
UP_NMI
VCC_PS VCC_PSS
C84
47UF
C54
47UF
NOT INSTALLED
U25
DS1994
D3
3
SIG_STRENGTH
CG_OUT
CG_REPLACE
ADREF
SIG_STRENGTH
CLK
2
DATA
4
STB
3
HSYNC
19
VSYNC
18
OSCIN
9
OSCOUT
8
VR
12
VG
13
VB
14
VBLK/RBLK
15
CLKOUT
7
VCC
6
GND
10
NC/GBLK
16
NC/BBLK
17
MON 11 BUSY
1
NC
5
HOLD
20
U17
UPD6451
PWRMON_SAFE
CR7
/CG_HSYNC
/CG_VSYNC
CG_DCLK
CG_STROBE
CG_BUSY
CG_DATA
BACKLIGHT
/UP_WRITE
A0
+5V
+5V
---10V
C69
.1UF
LCD_CONTRAST
Q3
R60
15.0K
R37
10.0
TO A3
DISPLAY
MODULE
1
2
J5
SDA 601 SERIAL DIGITAL ANALYZER
CG_DOTCLK
+5V
+5V
MICROPROCESSOR
AND SERIAL NUMBER RANGES.
SEE PARTS LIST FOR EARLIER VALUES NOTE:
PART OF A1 MAIN BOARD
1
13.3K