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SAMPLE & HOLDSDACLATCHES
VECT_GAIN
<7>
A1
ED_[0..7]
<6>
H4
V_RO_DATA_WFM1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
J130
CONNECTS
J130
<11>
D1
<14>
F4
<15>
G5
FIELD_1
SYNC_OSC2
SYNC_OSC1
/W_RO_EN
VECT_GAIN
/ERSTO
ED_4
ED_5
ED_6
ED_7
+5V
<7>
A2
/ERSTO
ED_[0..7]
ED_0
ED_1
ED_2
ED_3
ED_4
ED_5
ED_6
ED_7
D0 (LSB)
18
D1
17
D2
16
D3
15
D4
14
D5
13
D6
12
D7
11
D8
10
D9
9
D10
8
D11
7
D12
6
D13
5
D14
3
D15 (MSB)
2
+V
26
IOUT
23
SJ
21
TRIM
1
GND
22
-V
28
MSBADJ
27
IBPO
25
VOUT
19
RFB
20
U231
PCM54
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
U220
74HC273
+12V2
R232
21.0K
13
12
14
U251D
TL074
C250
.1UF
10 11
9
U245C
DG211
6
5
7
U251B
TL074
C248
1UF
7 6
8
U245B
DG211
W_HORZ_POS
VECT_GAIN
A2
<11>
G4
<7>
E4 F2
<13>
12
13
14
U810D
TL074
V_CURSOR_TOP
<11>
C906
.1UF
C252
.1UF
9
10
8
U251C
TL074
2 3
1
1
2
1
3
45
U245A
DG211
W_HORZ_GAIN
+12V2
-12VDCPL
+5VD
R255
15.0K
R256
10.0K
NC
NC
GAIN
DAC
R231
1K
-12V2
X
3
B
10
C
9
INH
6
VEE
7
GND
8
X0
13
X1
14
X2
15
X3
12
X4
1
X5
5
X6
2
X7
4
VCC
16
A
11
U708
4051
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
U217
74HC273
/ERSTO
ED_0
ED_1
ED_2
ED_3
ED_4
ED_5
D1
NC
NC
<15>
G5
<5>
F5
<5>
D4
<5> <7> <11>
D5 E3
ALT_DEMOD
LUMINANCE
CURS_SEL
ED_0
ED_1
ED_2
ED_3
BOARD
A11
A1
INTERCONNECT
TO J531
<44>
NOTE:
SEE TABLE 12
FOR SIGNAL
ORIGIN OR
DESTINATION
<7>
F2
<10>
H3
<5>
C5
CURS_TOP/BOT
TRIG_EN
VEC_R-Y
/VH_HRDW_CTRL
EA_0
EA_1
EA_2
DECODER
LATCH SELECT
CLK0
CLK1
CLK2
CLK[0..2]
+5VD
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
U207
74HC138
A2
<7>
CLK[0..2]
/ERSTO
ED_6
ED_7
ED_0
ED_1
ED_2
ED_3
D1
<11>
T_CUR+LN_SELD1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
U705
74HC273
C710
.1UF
C810
.1UF
C711
.1UF
+5VD
R710
100.0
A4
<6>
H2
<7>
6
5
7
U605B
TL074
9
10
8
U605C
TL074
W_VERT_GAIN
W_VERT_POS_3
H2
<7>
D4
<7>
13
12
14
U605D
TL074
2
3
1
4
1
1
U810A
TL074
W_VERT_POS_1
V_CAL_TOP
+12V1
-12V1
C708
.1UF
C808
.1UF
-12V1
R808
1.50K
5.1V
E2
VR905
D-0195
<11>
B4
<13><11>
E4
SLOW_SWP_EN
X25
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
U274
74HC273
X5
/ERSTO
ED_4
ED_5
ED_6
ED_7
ED_0
ED_1
ED_2
A3
<11>
A2
<14>
D4
<14>
C4
<9>
A1
<10>
B2
<9>
A1
<10>
F4
<11>
RGB_STAIR
/FLD_SCH_BLK
+V_OUT
/RGB_EN
/REM_SYNC_EN
REM_SYNC
LINESEL_RETR
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
J147
/FLD_CHROMA_SW
CONNECTS
BOARD
A11
A1
INTERCONNECT
J147
TO J547
<44>
NOTE:
SEE TABLE 12
FOR SIGNAL
ORIGIN OR
NC
NC
<9>
D1
<9>
F2
<4>
C4
<9>
G3
<7>
E3
<9>
C3
<5>
B3
<9>
E4
<14>
F4
<14>
F4
REF_SYNC
V_SYNC
CAL_OSC
-REF_H_SYNC
CAL_TIMING
AFC_SYNC
PIX_SIG
INPUT_H_SYNC
BRUCH
/ERSTO
ED_3
ED_4
ED_5
ED_6
ED_7
ED_0
<11>
B4
<11>
C5
<11>
B4
<4>
F4
<14>
<11>
A3
<13>
<11>
B4
INT/EXT
/EXT_HORZ_EN
X100
X10
X50
X20
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
U275
74HC273
D4
A4
C707
.1UF
C908
.1UF
H2
<7>
G4
<7>
2
3
1
4
1
1
U605A
TL074
9
10
8
U810C
TL074
W_VERT_POS_2
V_CURSOR_BOT
+12V1
-12V1
D4
<7>
5
6
7
U810B
TL074
V_CAL_BOT
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
C907
.1UF
B3
B2
C3
<13>
B1
<10>
C4
<11>
<9>
C3
<9>
B4
<7>
C2
<10>
<9>
C3
<10>
<10>
A3
<11>
C5
2L/F
DIR/AFC
1L/F
LINE
FIELD
SLW_SWP_+/-
FLD2/FLD1
/ERSTO
ED_1
ED_2
ED_3
ED_4
ED_5
ED_6
ED_7
NC
NC
<5> <7>
A3 F1
<11>
C1
<11>
F2
/WFM_BLANK
H_RO_DATA_WFM
/WLS_FIELD
-15V
+160V
+15V
DESTINATION
1780R–SERIES
+60V
+15V
HORIZONTAL LATCHES & DAC <12>
PART OF A2 WAVEFORM BOARD