Tektronix WFM 300A - Manual (Page 183)

R876
10.0
+40V
R556
5.11K
R554
1.50K
7 6
8
U458B
DG211
+5V
/VDIFSEL
<2>
C539
36PF
2 3
1
1
2
1
3
4 5
U458A
DG211
R638
5.76K
R540
2.87K
R562
5.11K
R561
5.11K
R558
1.50K
VSIG2
VSIG2
+5V
+11.8V
H1
C540
53PF
1
1
5
16
5
U544A
CA3083
Q663
Q555
C554
.1UF
C643
36PF
R541
100.0
R564
10.0K
R639
3.92K
R641
5.76K
R640
2.87K
R642
100.0
+11.8V
-11.8V
2
4
3 U544B
CA3083
C642
53PF
C547
750PF
9
1
1
10
U544D
CA3083
1
4
1
2
13
U544E
CA3083
R446
6.19K
R644
200.0
R643
3.92K
R544
9.09K
R547
4.75K
+11.8V
+11.8V
+11.8V
TIMES 5
VERTICAL
7
8
6 U544C
CA3083
C647
.1UF
Q556
R557
5.11K
R647
825.0
R648
3.92K
R761
2.26K
+11.8V
CR865
CR965
C963
43PF
Q961
CR862
R768
18.2K
R867
7.50K
R960
100.0
+11.8V
+11.8V
+40V
+11.8V
OUTPUT
VERTICAL
L876
9UH
L776
9UH
R875
1.2K
R775
1.2K
Q773
Q973
R976
200.0
R972
47.5
R871
47.5
R776
200.0
C876
.1UF
BROWN
BLUE
TO CRT
VERT
DEFL
PLATES
H2
<12>
J775
J973
C772
220PF
R868
20.0
R772
3.74K
+11.8V
HF
RESP
C875
47PF
Q972
Q771
Q971 Q772
C871
120PF
C869
220PF
R969
4.99K
R966
8.25K
R965
20.0
R869
8.25K
R872
500
+11.8V
-11.8V
X5
RESP
1 2 3
CR865
CR965
C862
1.2-4.0PF
C860
.68PF
Q860
R967
1.69K
R861
11.5K
R964
6.65K
R968
1.40K
R959
1.00K
+11.8V
-11.8V
VERTICAL
GRAT SIZE
12
13
14
U826D
TL074
C828
2200PF
C447
10PF
Q859
R858
8.25K
R447
4.99K
R958
3.32K
R822
10.0K
R929
10K
R862
20K
+11.8V
-11.8V
R856
100.0
R828
16.2K
+11.8V
-11.8V
-11.8V
-11.8V
<4>
GAIN
FLAT
E1
C644
.1UF
3
2
1
4
1
1
U826A
TL074
R760
1.74K
R758
1.00K
R823
10.0K
R763
1K
VBOWTIE
-3.6V
-3V
-11.8V
Q548
C646
.1UF
Q563
R646
8.25K
R645
3.57K
VSIG2
-3V
-11.8V
-11.8V
/VFLATSEL
VPOSN
-11.8V
<4>
<4>
A4
E5
C763
10UF R767
7.50K
R762
7.50K
R821
10.0K
R820
10.0K
VGRATSMP
VDAC
+11.8V
NC
NC
VERTICAL
GRAT SHAPE
NC
NC
C734
2200PF
IN 2
S/H
14
VLC 13
OUT 7
NUL 4
+V
9
HOLD 11
N/C 12
N/C
10
NUL 3
-V 5
U733
SMP11
C820
2.2PF
R830
5K
+11.8V
-11.8V
C861
7.5PF
R765
1.00K
R860
1.00M
R764
2.21K
R859
1.37K
+11.8V
+11.8V
X1
RESP
C864
2-18PF
C863
2.2PF
R963
7.50K
R865
1.69K
R866
1.69K
R766
10.0K
R864
1.37K
R863
1.00M
Q764
-11.8V
-11.8V
C769
.1UF
C873
33PF
C870
100PF
R769
383.0
R770
383.0
R873
1.00K
R870
61.9
R970
20.0K
VERTICAL
AMPLITUDE
CENTERING
R774
75.0K
R771
6.81K
R773
50K
-11.8V
-11.8V
6.2V
C461
2.2PF
1
0
1
1
9
U458C
DG211
C366
.1UF
C466
330PF
Q465
R461
20.0K
R460
4.75K R465
4.75K
R560
1.00K
R759
1.50K
R466
187.0
VR366
Q562
VX5
/VLOWSEL
+5V
C467
105PF
C462
5.6PF
Q463 Q464
Q466
R565
100.0
R462
4.99K
R467
4.75K
R366
6.19K
R458
6.81K
+11.8V
+11.8V
-11.8V
-11.8V
R468
619.0K
C667
70PF
Q568
C568
77PF
R666
1.00K
R667
1.00K
R569
100.0
R567
1.00K
R568
10.0K
R566
1.00K
R673
3.32K R672
3.32K
+11.8V
+5V
-11.8V
<4>
<5>
A3
E3
ZAXIS
LPASS
VSIG2
/VFLATSEL
LPASS
+5V
+5V
+15V
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
J161
J161
CONNECTS
TO J161
H1
<7>
A4
CONTROL
BOARD
<4>
<2>
<1>
<2>
<2>
<2>
E2
G2
E2
E5
C5
D4
NOINPUT
CALTIME
EXT/INT
INTREF
/RGBIN
/YINVERT
/VLOWSEL
/BOWTSEL
VX5
LPASS
VPOSN
/VDIFSEL
/CLMPULSE
/VLOWSEL
-15V
<4>
E2
C672
5.6PF
Q673
R360
20.0K
+11.8V
R357
12.1K
C350
.1UF
R355
10.0K
TIMING
<4>
LIGHTNING
LIGHTNING
AMPLITUDE
A4
C468
36PF
R363
100.0K
R361
39.2K
R362
100.0K
R459
18.7K
R457
2K
R452
121.0K
R364
39.2K
/LTNGSEL
+11.8V
-11.8V +5V
C460
1.8-10PF
Q355
Q358
Q553
R463
3.32K
R464
47.5K
R552
33.2K
15 14
1
6
U458D
DG211
R365
10K
-11.8V
-11.8V
C446
.1UF
+11.8V
C589
10UF
C794
10UF
C928
10UF
C946
10UF
+11.8V +11.8V +11.8V +11.8V
C959
10UF
C989
10UF
+11.8V +11.8V
C686
10UF
C156
10UF
+5V +5V
C964
10UF
C685
10UF
C894
10UF
C479
.1UF
+11.8V +11.8V
-11.8V -11.8V -11.8V -11.8V
<1><4>
G2 E2
C645
.1UF
CLAMP
-11.8V
LUMINANCE
AMPLITUDE
C354
.01UF
C355
.001UF
R353
10M
R454
33.2K
R453
100.0K
R358
2.00K
R455
3.92K
Q352
C353
10PF
CLAMP
CLAMP
DISABLE
VERTICAL
GRATICULE
REGISTRATION
C455
.01UF
R553
200.0K R550
25K
5
6
7
U452B
TL072
1 2
J453
P453
+11.8V
-11.8V
-11.8V
R354
10.0K
Q350
R359
10.0K
C258
22PF
Q256
R257
10.0K
R258
20.0K
R254
4.75K
R253
2.00K
CLAMP
+5V
+5V
-11.8V
<4>
<1>
<4>
<2>
<1>
<1>
<1>
<1>
NC
NC
NC
C3
A2
A2
G2
G3
G4
G5
B5
HREDSEL
VGRNSEL
VREDSEL
COMPST
VBLUESEL
SYNBLKEN
HBLUESEL
/CLMPULSE
VX5
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONITOR
VERTICAL OUTPUT <3>
PART OF A3 MAIN BOARD