Tektronix VITS 200 Instruction Manual page 260

+10V
R120
10k
R119
5k
OFFSET
DC COUPLED GAIN
R78
671-2131-00 - 01
200
TO TO
R121
R72 Q9
13.7k
DC/AC3
R76
C161
1000pF 698
-10V
C27
J4
10uF
EXTERNAL
INPUT #3
Q9
L4
150nH
L8
R74 9uH
R72 15.0k
30.1k
R65
75.0
C73
240pF
+10V
R206 R66
75.0k
14.2k
Q43
DC/AC3
OFFSET
U63B-1 AC COUPLED
C161 R68
1000pF
500
6
-12V
C47
0.1uF
-12V
R67
14.3k
-10V
U56C
U55C
74ALS00
10
74ALS32
CLAMP3
8 10
U48-6 9 8
9
7
+10V
R123
10k
R122
5k
OFFSET
DC COUPLED GAIN
R79
671-2131-00 - 01
200
TO TO
R124
R73 Q10
13.7k
DC/AC4
R77
C162
698
1000pF
-10V
C28
J3
10uF
EXTERNAL
INPUT#4
Q10
L3
150nH
R75
R73 15.0k
30.1k
L9
R64
75.0 9uH
+10V
C74
R207 240pF
75.0k
R69
14.2k
Q44
DC/AC4
U63C-14
C162
OFFSET
1000pF
AC COUPLED
6 R71
-12V
500
-12V
C48
0.1uF
R70
14.3k
-10V
U56D
U55D
74ALS00
13
74ALS32
11 13
12 11
CLAMP4
12
U48-9
7
VITS 200
R81 R86
536 301.0
EXTVID3
U41-15
R82 R87
392.0 301.0 5
R205
R83 100.0
2.00k
U10
C25
R88 NC
EL2090
0.22uF
200.0
1 13
VIDIN- VIDOUT
3
VIDIN+ NC
5 11
S/H+ S/H OUT
6
S/H-
C32
7 9 HOLD3
HCNTL CHOLD HOLD3
.0047uF
14 U57-15
V+ +10V
C30
2 12
NC V- -10V 100pF
8
NC
6
10 4 C68
NC GND
TEST SEL
RANGE: 0-470pF
+12V
1000pF
+12V
HORIZONTAL
OSCILLATOR
R95
ADJUST
R92 118.0k 100.0k
50.0k
R96
11.5k
R80
R89
536
301.0
EXTVID4
U41-13
R84 R90
392.0 301.0 5
R204
R85 100.0
2.00k
U8
C26
R91 NC
EL2090
0.22uF
200.0
1 13
VIDIN- VIDOUT
3
VIDIN+ NC
5 11
S/H+ S/H OUT
6
S/H-
HOLD4 C31
7 9
HCNTL CHOLD HOLD4
.0047uF
U57-2
14
V+ +10V C29
2 12
NC V- -10V 100pF
8
NC
6
10 4 C69
NC GND
TEST SEL
RANGE: 0-470pF
+12V
C167
1000pF
+12V
HORIZONTAL
OSCILLATOR
R94
R99
ADJUST
118.0k 100.0k
R93
50.0k
R97
11.5k
U11
TDA2595
2 1
FB PLSE CNTL OUT NC
+12V
11 3
COMP VID PH DET NC
8 4
EHT HORZ OUT NC Q11
+12V
14 6
HOSC CASTLE
16 7
H OSC MUTE NC C43
0.22uF
10
50% POINT
9
COMP SYNC
18
PHASE DET
17
LIMIT
12
IDENT
15
VCC
5 13
GND COIN DET
C35
.015uF
C44 VR5
0.22uF 6.2V
C166
R98 R105
75.0k
C34 R100
R109 R110
.01uF 2.74k
4.75k 681.0
C37 C38
0.68uF .0047uF
U9
TDA2595
2 1
FB PLSE CNTL OUT NC
+12V
11 3
COMP VID PH DET NC
8 4
EHT HORZ OUT NC Q12
+12V
14 6
HOSC CASTLE
16 7 C45
H OSC MUTE NC
0.22uF
10
50% POINT
9
COMP SYNC
18
PHASE DET
17
LIMIT
12
IDENT
15
VCC
5 13
GND COIN DET
C36
.015uF
C46
0.22uF
R106 VR6
75.0k
6.2V
C33
R107 R108
.01uF
4.75k 681.0
R101
2.74k
C39
C40
0.68uF
.0047uF
REV AUG 1995
+12V
R103
15.0k
Q14
VR8
6.2V
U15A
74ALS00 U15B
1
74ALS00
3 5 J21
P21
2 6 1
4
R115
2
2.74k
CLAMP 3
1 - 2 EXTERNAL 3 CLAMP TIMING
2 - 3 INTERNAL CLAMP TIMING
C42
0.1uF
1
U6C
C
74ALS08 X
10
8 4
A
9
(SYNCT)
C
5
B
L
J10-31
5
PUP3
C41
0.1uF
1
5
U6D
C
74ALS08 X
13
11 12
A
12
11
B
+12V
R102
15.0k
Q13
PUP3
+5V
VR7
U15C
6.2V
74ALS00 U15D
9
74ALS00
J22
8 13
P22
10 11 1
12
2
R114
3
CLAMP
2.74k
J10-38
EXTERNAL 4 CLAMP MODE
1 - 2 EXTERNAL 4 CLAMP TIMING
5
2 - 3 INTERNAL CLAMP TIMING
NOTE: SEE PARTS LIST FOR EARLIER VALUES
AND SERIAL NUMBER RANGES.
EXTERNAL INPUTS 3 & 4
J21
EXTERNAL 3 CLAMP MODE
+5V
R113
750.0k
U16A
2
96LS02
R
X
6 BADSYNC3
Q BADSYNC3
7 U12-4
Q
6
3
+5V
R111
750.0k
1
U16B
4
96LS02
R
X
10 BADSYNC4
Q BADSYNC4
C
9 U12-5
L Q
1 6
3
R112
2.74k
J22
671–2131–00 & UP
P/O A3 CONTROLLER BOARD
2