Tektronix WFM 300A - Manual (Page 193)

R416
68.1K
R406
10.0K
+5V +11.8V
<10>
G2
/SYNCOUT
<6>
J419
CONNECTS
TO P600
A5
GBR
BOARD
G1
1
2
J419
INTCOMPST
<7>
<7>
G1
H2
R422
20.0K
1
4
5 8
6
7 3
2
U425
MAX453
/INTCOMPST
INTREF
C424
7.5PF
C422
.1UF
R517
825.0K
C521
4.7UF
R424
1.00K
R519
20.0K
+5V
NC
NC
NC
NC
C508
27PF
COMP 14
DET IN 17
CLAMP 9
AMP OUT 7
VIDEO 2
SYNC OUT 19
A 10
B 12
C 15
D 16
VC2 20
GND
8
GND 13
VC1
1
VC1 4
VC1 5
VC1
6
VC1 11
VEE
3
VEE 18
U514
H2028
9
10
8
U502C
74HC00
+5V +15V
NC
NC
CR514
D-0141
C406
65PF
R506
68.1K
R507
47.5K
R508
47.5K
C514
.01UF 2
3
6
7
4
8
1 5
U510
LM318 +5V
+5V
-11.8V
NC
2
3
7
6
8
5
1
4
U417
LM311
R514
5.11K
R417
10.0K
R418
30.9K
R415
30.9K
+11.8V
<7>
C2
NC D 2 Q 5
CK
3
Q
6
P
R
4
C
L
1
U428A
74LS74
/FIELD
+5V
+5V
(1uS)
R224
2.80K
12
13
11
U502D
74HC00
+5V
+15V
-15V
R425
1.00K
5.1V
R520
332.0
C520
.1UF
VR518
-15V
(56uS)
C
X
1
5
R
X
1
4
A 12
B 11 C
L
1
3
Q 10
Q 9
U226B
96LS02
R126
150.0K C226
850PF
C228
790PF
VCOOUT 4 PCB 3
PCA
14
C1A 6
PC1
2
PC2 13
VCOIN
9
LD 1
SF 10
ZENER
15
R2
12
R1 11
INH
5
C1B 7
U230
4046
+5V
NC
1
2
3
U422A
74LS00
R330
100.0K
(0.5uS)
C
X
1
R
X
2
A 4
B
5 C
L
3
Q 6
Q
7
U226A
96LS02
C227
110PF
R227
2.80K
+5V
(1uS)
<7>
<7>
R321
12.1K
C222
850PF
HSYNC
/HSYNC
+5V
+5V
+5V
C
X
1
5
R
X
1
4
A 12
B 11 C
L
1
3
Q 10
Q 9
U223B
96LS02
C2
C4
+5V
H1 G2
<7> <10>
NC
(2uS)
C410
150PF
R405
100.0
C322
850PF
/CLMPULSE +5V
C
X
1
5
R
X
1
4
A 12
B
11 C
L
1
3
Q 10
Q
9
U317B
96LS02
R322
8.45K
NC
C321
850PF
+5V
C
X
1
R
X
2
A
4
B 5 C
L
3
Q
6
Q 7
U317A
96LS02
4
5
6
U422B
74LS00
+5V
NC
NC
NC
C330
.022UF
+5V
(220uS)
C216
850PF
R215
1.00M
R131
191.0K
R130
191.0K
+5V
C
X
1
R
X
2
A 4
B
5 C
L
3
Q 6
Q
7
U218A
96LS02
+5V
+5V
+5V
Q509
R409
10.0K
R404
5.49K C404
850PF
+5V +5V
<7>
G3
R410
4.75K
GLTBLKEN
+5V
NC
<9>
B4 9
10
8
U422C
74LS00
/GLTBLNK
+5V
+5V
D 12 Q 9
CK 11 Q 8
P
R
1
0
C
L
1
3
U428B
74LS74
B2
B4
(9.5uS)
<9>
<10>
C223
850PF
R222
24.3K
C
X
1
R
X
2
A 4
B 5 C
L
3
Q 6
Q 7
U223A
96LS02
/HBLANK
HBLANK
+5V
+5V
HBLANK
NC
(7uS)
R218
20K
C
X
1
5
R
X
1
4
A 12
B 11 C
L
1
3
Q 10
Q 9
U218B
96LS02
C220
850PF
R219
12.1K
WFM 300A COMPONENT/COMPOSITE WAVEFORM MONITOR
+5V
+5V
TIMING <8>
PART OF A4 CONTROL BOARD