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11
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18
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19
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20
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22
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24
13A
25
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26
14A
27
14B
28
15A
29
15B
30
16A
31
16B
32
J161
+15V
<10>
<9>
<9>
F4
D2
A3
CLKRESET
/INTCOMPST
ZAXIS
/LPASS
/VFLATSEL
D0
34
D1
33
D2
32
D3
31
D4
30
D5
29
D6
28
D7
27
RD
5
WR
36
A0
9
A1
8
RESET
35
CS
6
PA0
4
PA1
3
PA2
2
PA3
1
PA4
40
PA5
39
PA6
38
PA7
37
PB0
18
PB1
19
PB2
20
PB3
21
PB4
22
PB5
23
PB6
24
PB7
25
PC0
14
PC1
15
PC2
16
PC3
17
PC4
13
PC5
12
PC6
11
PC7
10
GND
7
VCC
26
U463
82C55
AD[0..7]
AD0
AD1
AD[0..7]
AD0
AD1
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
C
11
OC
1
U360
74HCT573
A0
A1
AD0
AD1
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14/PGM
27
O0
11
O1
12
O2
13
O3
15
O4
16
O5
17
O6
18
O7
19
CE
20
OE
22
VPP
1
U100
27C256
1
2
3
4
5
6
7
8
9
10
R246
10K
AD0
AD1
+5V
A2
R436
1.00K
12MHZ
+5V
NC
EA/VP
1
X1
53
X2
52
RESET
35
INT0
38
INT1
39
T0
40
T1
41
P1.0
27
P1.1
28
P1.2
29
P1.3
30
P1.4
31
P1.5
32
P1.6
33
P1.7
34
P0.0
17
P0.1
16
P0.2
15
P0.3
14
P0.4
13
P0.5
12
P0.6
11
P0.7
10
P2.0
2
P2.1
3
P2.2
4
P2.3
5
P2.4
6
P2.5
7
P2.6
8
P2.7
9
RD
43
WR
42
PSEN
67
ALE/P
68
TXD
37
RXD
36
P4.0
26
P4.1
25
P4.2
24
P4.3
23
P4.4
22
P4.5
21
P4.6
20
P4.7
19
P5.0
44
P5.1
45
P5.2
46
P5.3
47
P5.4
48
P5.5
49
P5.6
50
P5.7
51
P6.0
59
P6.1
60
P6.2
61
P6.3
62
P6.4
63
P6.5
64
P6.6
65
P6.7
66
ODS
55
IDS
56
BFLAG
57
AFLAG
58
VCC
18
GND
54
U343
80C451
AD0
AD2
AD3
AD4
AD5
AD6
AD7
ALE
A8
A9
A10
A11
A12
A2
A3
A4
A5
A6
A7
AD2
AD3
AD4
AD5
AD6
AD7
AD2
AD3
AD4
AD5
AD6
AD7
AD2
AD3
AD4
AD5
AD6
AD7
A0
A1
/RD
/WR
<8>
<8>
B1
H4
GRATADD1
GRATADD2
GRATADD3
GRATADD4
/CLMPULSE
NOINPUT
CALTIME
/YINVERT
/VLOWSEL
/BOWTSEL
/RGBIN
/VFLATSEL
/VLOWSEL
/BOWTSEL
/VDIFSEL
/VX5
J161
CONNECTS
TO J161
A3
-15V
+5V
+5V
NC
NC
NC
<3>
A3
MAIN
BOARD
<9>
<8>
A1
<9>
H3
B2
GRATADD5
GRATADD6
GRATADD7
GRATADD9
GRATADD8
GRATADD10
COLSHUT
INTREF
/60HZSEL
/GLITSEL
/LTNGSEL
/PARADE
VPOSN
VBLUESEL
HREDSEL
HBLUESEL
EXT/INT
/VX5
/VDIFSEL
/RGBIN
A3
+5V
+5V
1
1
098765432
R360
10K
A13
A14
/PSEN
+5V
Y440
12MHZ
C438
33PF
AD2
AD3
AD4
AD5
AD6
AD7
AD1
A8
A9
A10
A11
<9>
<9>
<8>
G2
H2
CR437
C437
33PF
Q437
C337
10UF
R337
10.0K
/GSTOP
/FIELD
COL0
COL1
NOVBCE
+5V
R232
4.32K
R233
4.02K
R236
24.3K
C238
.1UF
C232
.1UF
IN
3
OUT
1
G
2
U137
78L05
VCC
8
RCL
6
STO
7
GND
5
DI
3
DO
4
CLK
2
CE
1
U334
2444
+15V
+5V
CR238
C135
100UF
NC
2
3
7
6
8
5
1
4
U238
LM311
R235
150.0K
R234
150.0K
C133
10UF
VCC
8
RCL
6
STO
7
GND
5
DI
3
DO
4
CLK
2
CE
1
U338
2444
+5V
<10>
<8>
F3
B4
/HSYNC
/VGAMUT
COL0
COL1
NOVACE
NC
GRATSEL
/STARTRO
ROW0
ROW1
ROW2
ROW3
COL0
COL1
COL2
COL3
/RD
/WR
/HSYNC
/PSEN
A12
A13
A14
ALE
<9>
<9>
NC NC
A1
A1
ALE
NC NC
12
13
11
U375D
74HC00
5
6
4
U368B
74HC02
A5
/WR
/RD
/HSYNC
HSYNC
/HSYNC
/RD
/WR
<10>
<10>
<9>
<9>
H4
B2
B3
B2
9
10
8
U375C
74HC00
4
5
6
U375B
74HC00
1
2
3
U375A
74HC00
A5
/REMSEL
SYNBLKEN
/LINEGATE
VGRNSEL
VREDSEL
COMPST
SYNBLKEN
SYNBLKEN
D1
D2
<8>
E4
R386
100.0
R387
100.0
R388
100.0
R382
1.00K
2
4
3
U485B
CA3083
4
5
6
U533B
74LS00
GLTBLKEN
SA
SB
SC
<10>
<9>
<9>
<10>
<9>
B2
A1
E3
H4
G2
A
2
B
3
C
4
D
5
E
6
F
7
G
8
DP
9
SA
17
SB
18
SC
19
SD
20
SE
21
SF
23
SG
24
SDP
25
D1
12
D2
13
D3
14
D4
15
K1
26
K2
27
WE
1
CE
28
GND
11
VCC
22
SOE
16
DIO
10
U288
74C911
/SWBLANK
AD0
AD1
/ONELINE
/LINEGATE
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
CLK
11
OC
1
U451
74HCT574
8FIELD
LINSTEP
BLANK
/PIXSTROBE
/FLDGATE
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
P4.6
P4.7 /YINVERT
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
P4.6
P4.7
P5.0
P5.1
P5.2
RATE1
/RAMPSEL
NOVBCE
MAG1
NOVACE
+5V
<9>
<9>
H3
H4
RATE1
/RAMPSEL
<9>
NC
<9>
<9>
<9>
<9>
D5
H3
B4
E3
H4
TRACEROT
HPOSN
SCALE_CTRL
INTENSITY
FOCUS_CTRL
ROW0
ROW1
VPOSN
-11.8V
-11.8V
1A
1
1B
2
2A
3
2B
4
3A
5
3B
6
4A
7
4B
8
5A
9
5B
10
6A
11
6B
12
7A
13
7B
14
8A
15
8B
16
9A
17
9B
18
10A
19
10B
20
11A
21
11B
22
12A
23
12B
24
13A
25
13B
26
14A
27
14B
28
15A
29
15B
30
16A
31
16B
32
17A
33
17B
34
J295
J295
CONNECTS
TO J295
<11>
A2
FRONT
PANEL
BOARD
<10>
<10>
G4
G4
NEGLED
POSLED
ROW2
ROW3
COL0
COL1
COL2
+5V
+5V
VPOSN
<8>
F3
8
9
10
U368C
74HC02
11
12
13
U368D
74HC02
HSYNC
P5.3
P5.4
P5.5
P5.6
P5.7
HSYNC
A7
/WR
MAG2
MAG3
/SWBLANK
/LPASS
NOINPUT
/SWBLANK
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
CLK
11
OC
1
U560
74HCT574
P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7
VGRNSEL
VBLUESEL
VREDSEL
CALTIME
HREDSEL
HBLUESEL
EXT/INT
COMPST
AD2
AD3
AD4
AD5
AD6
AD7
A0
A1
/WR
A2
NC
NC
NC
R297
10.0
R389
100.0
R390
100.0
R383
1.00K
R384
1.00K
9
1
1
10
U485D
CA3083
7
8
6
U485C
CA3083
SD
SE
+5V
D3
D4
C297
100UF
R385
1.00K
1
1
5
16
5
U485A
CA3083
H4
<9>
2 3
1
U300A
74HC125
5 6
4
U300B
74HC125
12 11
1
3
U300D
74HC125
HMAG1
HMAG2
HMAG3
/HSYNC
80C451
1
9
1026
27
43
44 60
61
26
27
43
44
MAG1
MAG2
MAG3
U343
TOP
12
9
10
11 28
45
60
61
62
COL3
SB
SA
D1
D2
D3
D4
SE
SD
SC
+11.8V
+11.8V
BOTTOM
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONITOR
CONTROLLER <7>
PART OF A4 CONTROL BOARD