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SCALE DRIVERSPULSE WIDTH MODULATORS
+12V
R465
14.3K
<39>
H4
V_SCALE_INTENS
R463
18.2K
R464
4.75K
VECT EXT/INT
10
9
8
U466C
TL074
5
6
7
U466B
TL074
R466
10.0K
C364
10UF
3
2
1
4
1
1
U466A
TL074
CR466
D-0141
+12V
-12V
R364
332.0
J180-13
J180-20
<38>
<38>
A2
A2
C263
100UF
Q363
Q-0710
Q362
Q-0622
VECT_INT_LAMP
+15VA
+15VA
R264
47.5K
J180-19
<38>
A2
C267
100UF
Q366
Q-0710
Q365
Q-0622
VECT_SCALE_GND
VECT_EXT_LAMP
+15VA
CR467
D-0141
C366
10UF
12
13
14
U466D
TL074
R367
332.0
+2.5V
+5V
R467
10.0K
R474
10.0K
TRIANGLE GENERATOR
C476
.01UF
+12V
WFM EXT/INT
VECT EXT/INT
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
CLK
11
OC
1
U226
74LS374
DATA LATCH
<38>
J180
B5
ED_[0..7]
ED_6
ED_7
ED_[0..7]
<38>
C4
GRAT_CLK
ED_0
ED_1
ED_2
ED_3
ED_4
ED_5
<38>
<38>
<38>
<38>
<36>
<36>
G2
G2
G1
B4
G2
A2
/PIXMON_EN
/RY_SCH_BLNK
TIME_DOTS_EN
LINESEL
/T_C_LOCATE_CTRL
SUBC_DOTS_EN
10V
2
3
6
7
4
U478
741
-12V
R477
8.25K
R478
11.0K
R479
22.1K
600US
TRIANGLE
WAVEFORM
R572
10.0K
R574
10.0K
C369
10UF
2
3
1
4
1
1
U471A
TL074
+12V
R370
332.0
J180-26
<38>
A3
C269
100UF
Q370
Q-0710
WFM_INT_LAMP
+15VA
+15VA
R270
47.5K
J180-22
J180-24
<38>
<38>
A3
A3
C272
100UF
Q372
Q-0710
Q371
Q-0622
Q369
Q-0622
WFM_EXT_LAMP
WFM_SCALE_GND
+15VA
CR473
D-0141
C372
10UF
12
13
14
U471D
TL074
CR472
D-0141
-12V
R373
332.0
+2.5V
WFM EXT/INT
9
10
8
U471C
TL074
+12V
R573
10.0K
R470
14.3K
POWER SUPPLY
C478
.1UF
C566
.1UF
C571
.1UF
L261
100UH
C361
220UF
+12V +12V +12V
+15V +15VA
<39>
H4
W_SCALE_INTENS
R468
18.2K
R469
4.75K
5
6
7
U471B
TL074
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
J180-41
<38>
A4
Q375
Q-0190
Q374
Q-0188
R276
180
W_COIL
+15V
-15V
R374
100.0
R375
100.0
<39>
J180-39
<38>
TRACE ROTATION DRIVERS
A4
F2
R277
180
W_ROTATIONV_COIL
<39>
F2
Q377
Q-0188
Q378
Q-0190
V_ROTATION
+15V
-15V
R378
100.0
R377
100.0
C578
.1UF
C469
.1UF
C463
.1UF
C226
.1UF
+5V
+12V+12V+12V
-12V -12V -12V
1780R–SERIES
SCALE ILLUMINATION & TRACE ROTATION <40>
PART OF A4 Z-AXIS BOARD