Tektronix VITS 200 Instruction Manual page 266

BH[0..9]
5
CD[0..7]
CD[0..7]
3
BV[0..12]
BV[0..12]
U37
27C512-150
BV0 10 11
5 A0 D0
BV1 9 12
A1 D1
BV2 8 13
A2 D2
BV3
7 15
A3 D3
VCHAR[0..3] BV4 6 16
VCHAR[0..3] A4 D4
BV5 5 17
A5 D5
BV6 4 18
A6 D6
BV7 3 19
A7 D7
3
BV8 25
A8
BV9 24
A9
BV10 21
A10
BV11 23
A11
VCHAR0 2
A12
VCHAR1 26
A13
VCHAR2 27
A14
VCHAR3 1
A15
20
CE
22
OE/VPP
U39B
74LS00
4
(CHRAM)
6 CHRAM
U21-33 5
3
U33
74LS374
CD0 3 2
D0 Q0
CD1 4 5
D1 Q1
CD2 7 6
D2 Q2
CD3 8 9
D3 Q3
CD4 13 12 LCD4
D4 Q4
CD5 14 15 LCD5
D5 Q5
CD6 17 16 LCD6
D6 Q6
CD7 18 19 LCD7
D7 Q7
CHLOAD 11
CLK
1
OC
TSA[0..10]
TSA[0..10]
3
U36
74LS373
VL0 3 2 TSA0
VL0 D0 Q0
J10-27
VL1 4 5 TSA1
J10-28 VL1 D1 Q1
VL2 7 6 TSA2
VL2 D2 Q2
5 J10-29
VL3 8 9 TSA3
J10-30 VL3 D3 Q3
13 12 TSA4
FLD D4 Q4
J10-24
14 15 TSA5
J10-26 FRM D5 Q5
17 16 TSA6
D6 Q6
BV12 18 19 TSA7
D7 Q7
FPSTANDBY
FPSTANDBY
PUP2 11
+5V EN
U61-15 TSRAM 1
OC
R130
2.74k
7
3
U39A
74LS00
1
(TSRAM)
3 TSRAM
U21-17 2
3
VITS 200
BH[0..9]
DV[0..3]
CA[0..10]
CA[0..10]
3
U34
CV[0..3]
DV0 29821
DV1 BH5 2 23 CA0
D1 Q1
DV2 BH6 3 22 CA1
D2 Q2
DV3 BH7 CA2
4 21
D3 Q3
CV0 BH8 5 20 CA3
D4 Q4
CV1 BH9 6 19 CA4
D5 Q5
CV2 CV0 7 18 CA5
D6 Q6
CV3 CV1 8 17 CA6
D7 Q7
CV2 9 16 CA7
D8 Q8
CV3 10 15 CA8
D9 Q9
LCD7 11 14 CURSOR
D10 Q10 CURSOR
CLKC 13 J17-34
C
CHRAM 1
OC
CHR/W
U28-13
3
(CHOE)
U28-15
(CHRAM)
CLKC
U42A-3
U23-57 (CHAREN)
5 3 U23-58 (VCHAREN)
(BLANK)
J10-33
5
DATACOMP
DATACOMP
J17-31
5
TSD[0..7]
TSD[0..7]
3
U29
7C128
TSA0 8 9 TSD0
A0 D0
TSA1 7 10 TSD1
A1 D1
TSA2 6 11 TSD2
A2 D2
TSA3 5 13 TSD3
A3 D3
TSA4 4 14 TSD4
A4 D4
TSA5 3 15 TSD5
A5 D5
TSA6 2 16 TSD6
A6 D6
TSA7 1 17 TSD7
A7 D7
TSA8 23
A8 J10-34
5
TSA9 22
A9 J10-32
TSA10 19
A10
21
TSR/W WE
U28-12
18
CE
20
(TSOE) OE
U28-14
BH[0..9]
DV[0..3]
CD[0..7]
U32
7C128
CA0 8 9 CD0
A0 D0
CA1 7 10 CD1
A1 D1
CA2 6 11 CD2
A2 D2
CA3 5 13 CD3
A3 D3
CA4 4 14 CD4
A4 D4
CA5 3 15 CD5
5 A5 D5
CA6 2 16 CD6
A6 D6
CA7 1 17 CD7
A7 D7
CA8 23
A8
P0 22
A9
P1 19
A10
21
WE
18
CE
20
OE
U39C
74LS00
CA9 9
8 P0
10
U39D
74LS00
CA10 12
11 P1
671-2131-00 13
U35
GAL16V8
CLKC 1
I0/CLK
2
I1
3 19 (CHARPRES)
I2 F0 (CHARPRES)
4 18
I3 F1
5 17 USED INTERNALLY J17-32
I4 F2
6 16
I5 F3
7 15 CHLOAD
I6 F4 5
8 14 BH0
I7 F5
9 13 BH1
I8 F6
BH2
11 12
I9 F7
(BLANK)
U38
FPTS[0..7]
PAL22V10
CLKC 1
I1/CLK
TSD0 2
I2
TSD1 3 23 FPTS0
I3 IO1
TSD2 4 22 FPTS1
I4 IO2
TSD3 5 21 FPTS2
I5 IO3
TSD4 6 20 FPTS3
I6 IO4
TSD5 7 19 FPTS4
I7 IO5
TSD6 8 18 FPTS5
I8 IO6
TSD7 9 17 FPTS6
I9 IO7
10 16 FPTS7
VSYNC I10 IO8
11 15
VDRIVE I11 IO9
13 14
BADSYNC I12 IO10
U12-19
EXT0 U12-6
6 6
EXT1 U12-7
U61-5
7
U48-19
REV OCT 1992
+5V
R129
2.74k
U31
27C128
BH3 10 11 7
A0 D0 A/QA
BH4
9 12 13
A1 D1 B/QB
FLD 8 13 6
A2 D2 C/QC
DV0
7 15 14
A3 D3 D/QD
DV1 6 16 5
A4 D4 E/QE
DV2 5 17 15
A5 D5 F/QF
DV3 4 18 4
A6 D6 G/QG
CD0 3 19 16
A7 D7 H/QH
CD1 25
A8
CD2
24 2
A9 G1
CD3 21 3
A10 G2
CD4 23 1
A11 S0
CD5 2 CHLOAD 19
A12 S1
CD6 26 CLKC 12
A13 CLK
9
CLR
27 11
+5V PGM SR
20 18
CE SL
22 1
OE VPP +5V
CLKC
CHLOAD
FPTS[0..7]
5
VLATCH
J10-36
5 U58
GAL16V8
1
I0/CLK
2
I1
3 19
I2 F0 LEXT0
4 18
BADSYNCEX I3 F1 LEXT1
5 17
RSLINE I4 F2
U12-18 6 16
I5 F3
J9-4
7 15
I6 F4
(BLANK) 8 14
6 I7 F5
9 13
5 (SYNCT) I8 F6 BLKBRST1
11 12
I9/OE F7 BLKBRST
J10-31
(INHIBIT) 5
DIAG3
671-2131-01
NOTE: SEE PARTS LIST FOR EARLIER VALUES
AND SERIAL NUMBER RANGES.
TEST SIGNAL & CHARACTER SELECTION MEMORY
U30
74F299
8
QA'
17
QH' CHARDATA
J17-33
5
U41-11 5 U12-6 6
U41-10 U12-7
U60-10
U60-11 6
671–2131–00 – 01
P/O A3 CONTROLLER BOARD
4