Motorola R-2001A Service Manual page 171

Communications system analyzer
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R114. 115
., .
·-
~
BIAS
l
DIVIDER
J
T3
I~
P1-7
CENTER
TAP HV
XFORMER
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CR210-212,
216
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lh
l
r
X4 MULT
H.V
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04 BASE
DRIVE
04, 6
XFORMER -::-
y_
X2MULT
CR208, 209
r
J
CHOPPER
L
l
J
Q.6
BASE DRIVE
/
-1-
-
fl
P1-4
P1-5
7.9V VREF
/
PH
'
+12V TO HV SUPPLY
/
P1-2
INTENSITY T.V.
/
P3-6
,
FOCUS T.V.
' /
P3-8
'
CRTZ-AXIS
P3-9
U101
87V
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HV
REG
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$
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m
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H.V. CONTROL
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HEATER CRT
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HEATER CRT./
'
'
CRT ANODE./
+4000V '
U302.
0302
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INTENSITY
t
CRT GRID
MODULATOR
INTENSITY
SAMPLE
J
'
CRT CATHODE
2000V
'
J
FOCUS
ll
CRT FOCUS./
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MODULATOR
FOCUS SAMPLE
"
U301
,
0301
HV REF -'
P1-6
P1-3
P2-1
P2-14
P-5
P2-3
P3-5
P2-2
P2-4
P3-7
P3-10
852
1·28
Figure 16-1. High Voltage Power Supply A10
Block Diagram

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