Tektronix VITS 200 Instruction Manual page 240

R33 R32
100 301.0
PROGRAM
GAIN
ADJUST
C3
J10 R214
10uF
499
PROGRAM IN
PROGIN R18
15.0k
K2-4
+10V
7
R29
14.2k
PROGRAM
OFFSET
ADJUST
R30
500
C13
0.1uF
R31
14.3k
-10V
VIDEO INPUT BUFFER,
CLAMP , AND SYNC
STRIPPER
BACKPORCH
+5V +10V +12V
C158 C157
C150
0.1uF 0.1uF
0.1uF
VITS 200
L19 C120
9uH 240pF
R35
392
R34
301.0
R36
2.00k
U42
C12
R39
EL2090
0.22uF
200.0
1 13
VIDIN- VIDOUT
3
VIDIN+
5 11
S/H+ S/H OUT
6 C4
S/H- VIDEO
100pF
R100
7 9
HCNTL CHOLD
14
V+ +10V 7
2 12
NC V- -10V
8
NC
10 4
NC GND
S/N B020527 & BELOW
C509
3pF
+12V
R41
118.0k
R40
R507 50.0k
R508
71.5k
20.0k
C4
100pF
U42-9
671-2132-00 - 04
TESTSIG
U67-13
7
R20
20.0k
VIDEO
R38
301.0 J52
2 1
+5V
R185
301
C16
R37
R192
4.7uF
301.0
2.74k
GLSEL1
J4-11
CLKD
U62-13
SYNCTIP
3
U27-9
C1
6
0.1uF
+5V
3
U70-21
C18
3
.022uF
C159
0.1uF
-10V
U44
TDA2595
2 1
FB PLSE CNTL OUT
11 3
COMP VID PH DET
8 4
EHT HORZ OUT
14 6
HOSC CASTLE
16 7 C10
H OSC MUTE
0.22uF
C11
10
50% POINT
.0047uF
9
COMP SYNC
18
PHASE DET
17
LIMIT
12
IDENT
15
+12V VCC
5 13
GND COIN DET
C8
C185
.001uF 0.22uF
R43 R45
100.0K 75.0k
C7
R42 .01uF R44
11.5k 4.75k
C6
0.56uF
R21 C175 VIRS DETECT
200pF
20.0k
+12V
R24
11.5k
+12V
R25
R216 U46A 200.0
8
20.0k LF353 R23
3
1.0k
1
2
4
-12V
R22
20.0k
R26
200.0
C2
200pF
R27
11.5k
-12V
J9
SOUND-IN-SYNC MODE
1 - 2 NO SOUND-IN-SYNC OPERATION
2 - 3 SOUND-IN-SYNC OPERATION
U43
C14
TDA8708
4.7uF
16 13 AD0
VIN0 D0
17 12 AD1
VIN1 D1
18 11 AD2
VIN2 D2
10 AD3
D3
14 4 AD4
I0 D4
15 3 AD5
I1 D5
2 AD6 L1
D6
5 1 AD7 R52 39.5uH
CLK D7
1.0k
28 19
RPEAK ANOUT
R19
9 +5R
OF
332
21
DEC
R55
27 +5V C20
GATEA
26 10.0
5.6pF
GATEB
6
VCCD
24 22
C23
CLAMP VCCA
7
VCCO 0.1uF
C19
25 8
AGC DGND
10pF
20 23
ADCIN AGND
C17
0.22uF
R53
1.0k
C507
33pF
REV JAN 1996
PROGRAM INPUT, SYNC STRIPPER, VIRS DETECTION, & GENLOCK A/D INPUT
+12V
Q1
+12V
+12V
R47
15.0k
Q3
+12V
Q2
VR2
6.2V
U57A
C9
74F00
.015uF
1
3
2
R50 R48
2.00k
2.05k
VR1
6.2V
PROGPRES
R46
J4-16
681.0
R51
2.74k 3
C5
.0047uF
R49
2.00k
+5V
+12V
+5V
R28
1
U47A
4.75k
1
LM319
4
R54
12
402.0k
5 C22
1uF
6 3
1 1
-12V
5 4
96LS02
U47B C R
X X
LM319
U48A
9 12 10
74ALS32
A Q
7 2
10 3 11 C 9
B Q
L
1
(VIRSAMP)
8
1
U17-12
3
1
+5V
J9
3
SIS_TM
U29-17
2
P9
1
4
GENLOCK A/D
U41
PAL22V10
1
I1/CLK
2
I2
AD0 3 23 LAD0
I3 IO1
AD1 4 22 LAD1
I4 IO2
AD2 5 21 LAD2
I5 IO3
AD3 6 20 LAD3
I6 IO4
AD4 7 19 LAD4
I7 IO5
AD5 8 18 LAD5
I8 IO6
AD6 9 17 LAD6
I9 IO7
AD7 10 16 LAD7
I10 IO8
11 15 CAPTION
CCLINE I11 IO9
13 14
I12 IO10
U17-17
1
J3-35
U41-14
RXDV 3
671-2132-00 - 04
J2-4
U41-13
RSLINE 3
671-2132-00
C21
33pF
NOTE: SEE PARTS LIST FOR EARLER VALUES
AND SERIAL NUMBER RANGES
PROGSYNC
U70-3
3
U57B
74F00
5
6
PROGPORCH
4
U70-9
3
U71B
VIRSPRES
U17-13
1
LAD[0..7]
LAD[0..7]
+5V
U29
C160
4
0.1uF
R141
200.0k
C83
1uF
U71A
1 2
96LS02
C R
X X
4 6
A Q CCPRES
5 C 7 U17-9
B L Q
1
3
R142
2.74k
+5V
P/O A1 INSERTER BOARD
5