Intensity Control - Motorola R-20018 Manual

26
45
50
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56. 53 60 62.
64, 66. 68, 70
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63
14
P1
I
VERT TO SCOPE AMPL
I
I
I
I
I
I HORIZ POSITION
I
EXT HORIZ EN
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I
I
EXT HORIZ INPUT
I
I
SCOPE SWP CONT 0-i
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AUTO/NOR lRIG SEI
I
TRIG PULSE
I
·~·-
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SYNC PRES
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SWP
VERN
VOLT
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I
HORIZ TB EN
I
:NT HORIZ •II
SCOPE MODE EN
J1
HV RF.F
INTEN SMPL VOLT
P1
•
INTEN LVL
SCOPE l-AXIS
61
FOCUS LEVEL
...
"-·
__
..,..
....
U3, 4. 5, 7, 11
HORIZ
TB
GEN
--
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---··-·
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U1, U9
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TB/
EXT
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HORIZ
SEL
y
U6, U10
-
--
-
- - -
----
INTENSITY CONTROL CIRCUIT
U13. 06
!NT
LVL
GATE
TP4
y
U10
y
SCOPE
MODE
SEL
----
01-5
Z-AXIS
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1
- - - - - - _ _ _ _ _ _ _j
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1
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7
)----FO_c_us_S_A_M_P_LE_V_O_LT _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ~
FOCUS
CONT
CKT
U24
U27, 012. 13, 17. 18 TP6
VERT
y
...
DEFL
AMPL
U28. 024,25,29,30
y
HORIZ
DEFL
AMPL
TP7
/
TP3
'
I
•
TP9
li!
~
y
I
I
£0
TP8
~
y
ti
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TP5
R8~J .. ~ ~
-13V
•100V
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J2
VERT OEFL PL
!-<
VERT DEFL PL
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HORIZ DEFL PL
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HORIZ DEFL PL
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SWP BLANKING
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J1
INTEN TV
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(
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CRT Z-AXIS
/
•
~
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FOCUS TV
TRACE ROTATION
4
5
2
P1-16
6
9
8
-5;
GEOMETRY
R94~>-0IIII._....,.. _ _ _ _ _ _ _ _ _ _ _
--::---<(
2
-100V
•100V
~
ASTIGMATISM
R91 ~,_,..,.._. _ _ _ _ _ _ _ _ __;_.__;_.~-'--<( 3
-100V
8521·2
Figure 8-1. Vertical/Horizontal Scope
Amplifier A2 Block Diaqram