Tektronix VITS 200 Instruction Manual page 270

BH[0..9]
BH[0..9]
4
BV[0..12]
BV[0..12]
J10
1 BH0
2 BH1
BH2
3
4 BH3
BH4
5
6 BH5
BH6 +5V
7
8 BH7
BH8
9
10 BH9
R131
BV0
11
2.74k
12 BV1
BV2
13 U42A
14 BV3
74AS08
BV4
15 1
16 BV5 3
BV6
17 2
INSERTER 18 BV7
BOARD 19 BV8
J3 20 BV9
21 BV10 U42B
22 BV11
74AS08
3
BV12
23 4
24 FLD 6
A1 25 CLOCK 5
26 FRM
27
FLD
28
FRM
29
VL0
30
VL1
31
VL2
32
VL3
33
34 (SYNCT)
35 VDRIVE
36 (BLANK)
37 VSYNC
38 RXDV
39 VLATCH
40 (INHIBIT)
CLAMP
CHSWT
CHSWT
MONOCHR
MONOCHR
U60-11 U52-17
U23-67
7
6
3
J17 LOCKED
1
2 STAT0
3 STAT1
4 STAT2
5 STAT3
6 STAT4
7 STAT5
FPSTANDBY
8 STAT6
9 STAT7
PROGPRES
10 GLSEL0
11 GLSEL1
12 FPSTANDBY
13 BPCONTROL
14 (RESYNC)
INSERTER 15 BYPASS
BOARD PROGRES
16
J4 17 TXD1
18 DIAG0
19 DIAG1
3
20 DIAG2
21 DIAG3
FPTS0
A1 22
23 FPTS1
24 FPTS2
25 FPTS3
26 FPTS4
27 FPTS5
28 FPTS6
29 FPTS7
30 2K/4K
31 DATACOMP
DATACOMP
(CHARPRES)
32
(CHARPRES)
33 CHARDATA
CURSOR
34
+5V
DISPLAY POWER
C62
J15
10uF
1
+5V
DISPLAY
2
U23-44 TXD0
J11
3
1
TXD1
U23-47
2
3
4
5
6
7
8
9
10
11
REAR PANEL 12
RS232 13
14
15
16
17
18 +10V
19
20
C156
21
0.1uF
22
23
24
25
VITS 200
1 R27 EXTVID1
R23 EXTVID2
2 R87 EXTVID3
R90 EXTVID4
C55
C56 0.1uF
C57
0.1uF
0.1uF
CLKC 4 U58-19
U58-18
U38-1 U12-1
4 6
U36-13
U36-14
U36-6
4
U36-4
U36-7
U36-8
(BLANK)
VSYNC
U23-64 J23-14
U38-10
VLATCH
(INHIBIT) 3
U58-1
CLAMP
4
U61-5
J20-3 J22-3
4
7
1 2
STAT[0..7]
STAT[0..7]
7
DIAG[0..3]
DIAG[0..3]
LINESEL U61-12
GLSEL1 U61-9
U61-15 7
(RESYNC) U61-19
U52-13
BYPASS
FPTS[0..7] U23-62
FPTS[0..7]
3
4
FPBYPASS
U61-16
U35-9
U35-19 4
CHARDATA U30-11 7
CURSOR
U34-14
J49
U40 RS-232 SOURCE
MAX232
NOT YET
IMPLEMENTED
16 15 C61
10uF
GREEN
1 2
+5V
P49
C63
10uF
3
C65 J49
1 2 3
10uF
4 6
C64
10uF
5 RXDV
11 14
10 7
13 12
8 9
+12V +10V +12V
C157 C155 C154
C152 C153
0.1uF 0.1uF 0.1uF
100uF 100uF
-10V -12V
U41
CHSW4
19 5
IN1 AOUT
17
IN2
15
IN3
13 4
IN4 AINV
C54 6
BOUT
0.1uF
18
CB
20 7
CP BINV
3
CN
C51
8 14
CD VCC
2.2pF
2
VCC3 R145
1
VCC4 10.0
16
VCC5 +5R
11 12
LEXT0 A0 GND
10 9
LEXT1 A1 VEE C59
C58
100uF
1uF
R139
C60
408.0
1uF
R146 R138
10.0
400.0
-5R
(SYNCT)
VDRIVE
U6A-1 U6C-9 U58-9
U23-60 U38-11
1 2 4
3 4
4
U43C
74LS09
9
LOCKED
10
U23-63 U12-16
3 6
U43D
74LS09
12
13
BPCONTROL U43A
74LS09
BYPASS 1
2
+5V
R148
U59
U43B
GAL16V8 4.32k
74LS09
1 4
I0/CLK
2 6
I1
FPBYPASS 3 19 5
I2 F0
4 18
I3 F1
5 17
I4 F2
6 16
I5 F3
7 15
I6 F4
8 14
I7 F5
9 13
I8 F6
11 12
I9/OE F7
RBYPASS
RBYPASS
R196-2
7
RXD1
U23-45
3
RXD0 U23-41
Y1
4MHz
+5V
C151 C150
100uF 100uF
-10V -12V
REV MAY 1993
RSLINE
U23-68 U58-5
R143
400.0
R144 3 4
408.0
-12V
C53
R141
2.2pF
1.21K
U5B-6
1
U5A-3
R142
C52
10.0k
10pF
-12V
R140
J53
75.0
1
2
DD[0..7]
DD[0..7]
7
+5V
U23-4
3
R137 U23-5
2.74k
J14
P14
1
8
2
3
U23-6
3
U23-7
11
+5V
+5V
R132
4.32k
R133
4.32k
3
Q18
REM[0..15]
REM[0..15]
7
+5V
R134
R150
4.32k
249.0
Q17
+5V
R135
R149
267.0
249.0
R185
221
REMIND
(REMOTEN)
U61-6
R136
U23-65
221
(REMEN)
7
3
R183-2
U44A
74HCT00
1
3
X1
U23-78
2
3
U44B
74HCT00
4
6
X2 U23-79
5
671–2131–00 – 01
NOTE: SEE PARTS LIST FOR EARLIER VALUES
AND SERIAL NUMBER RANGES.
P/O A3 CONTROLLER BOARD
CONNECTORS & EXTERNAL MULTIPLEXER
J9
1
+12V
2
-12V
3
4
5
+5V
6
7
8
9
10
-5V
11
12
13
+10V
14 INSERTER
-10V
BOARD
15
16 J2
17
18
PORCH1 3
19
20
SYNC1
21 A1
22
+5R
23
-5R
24
25
26
27
28
29
30
31
32
33
34
DISPLAY CONNECTOR
J13
DD7 1
2
DD6 3
4
DD5 5
6
DD4 7
8
DD3 9
10
DD2 11
12
DD1 13
14
DD0 15
16
17 DISPLAY
(WR)
18
19
COM/DATA
20
21
N.C.
22
23
24
(TEST) 25
26
27
BUSY
28
29
(BL)
30
31
N.C.
32
33
RXD
34
J12
REM0 1
REM1
2
REM2 3
REM3 4
REM4 5
REM5 6
REM6 7
REM7 8
REM8 9
REM9 10
REM10 11
REM11
12
REM12 13 REAR PANEL
REM13 REMOTE
14
REM14 15
REM15
16
RPOWERIND 17
RBYPASSIND
18
RUNLOCKIND 19
RBYPASS
20
21
22
23
24
25
26
J16
1
7
2
3
4
5
6
7
8
9
10
11
12 INTERNAL
13 RS232 CONN.
14
15
16
17
18
19
20
21
22
23
24
25
5