Calibration—
7623/R7623
Service
DISPLAY
AND
Z
AXIS
Equipment
Required
1.
Mainframe standardizer
calibration fixture
2. 7B53A plug in unit
3.
DC Voltmeter
(VOM)
4. 7A15A
plug-in
unit
5.
Time-mark generator
6.
Medium-frequency generator
7.
BNC
to
pin-jack cable
8.
18-inch
50-ohm BNC cable
9.
42-inch
50-ohm BNC cable
10. Five-nanosecond GR cable
11.
50-ohm
GR
in-line termination
12.
BNC T
connector
13. Three-inch
screwdriver
14.
Low-capacitance screwdriver
Control
Settings
Set
the controls as given in the Preliminary Control
Settings.
4A. Adjust
CRT
Grid
Bias
a.
Install the mainframe
standardizer calibration fixture
(or
a
vertical plug-in) in the left vertical compartment and
depress
the LEFT
VERT MODE button. Set the fixture for
Vert
or
Horiz + Step Resp, amplitude fully
counterclockwise, and
Position
to midrange.
b.
Install the
time base
plug-in in the horizontal
compartment,
and
set it for 1.0 ms/division. Adjust trig
gering
for a
free-running sweep. If
a 7B53A Time Base
plug
in
is to
be used with the 7623 (R7623), set it for
Intensified
sweep.
c. Adjust
the fixture Position
control to bring the trace
on
screen,
then rotate both the INTENSITY and READ
OUT
INTENSITY controls fully counterclockwise.
Readout
Board
Remove
\\
R1190
Y
(Y-Axis)
R1184
------- G (Geometry)
Adjustment
k
if
Fig. 2-2.
Location of Display and Z Axis adjustments and test points.
R1193
A (Astigmatism)
Adjustment
2-9
Summary of Contents for 7623
Page 1: ...MANUAL 7623 R7623 STORAGE OSCILLOSCOPE SERVICE MANUFACTURERS OF CATHODE RAY OSCILLOSCOPES ...
Page 51: ...Fig 3 2 Block diagram of Logic circuit Circuit Description 7623 R 7623 Service ...
Page 72: ...W NJ 00 Fifl 3 22 Low Voltage Power Supply detailed block diagram ...
Page 73: ...Circuit Description 7623 R 7623 Service ...
Page 74: ...CO NJ CD Fig 3 22 Low Voltage Power Supply detailed block diagram cont ...
Page 75: ...Circuit Description 7623 R 7623 Service ...
Page 97: ...Circuit Description 7623 R7623 Service 3 51 ...
Page 98: ...Circuit Description 7623 R7623 Service Fig 3 39 Output Pulses for the Storage Circuits 3 52 ...
Page 103: ...Circuit Description 7623 R7623 Service 3 57 ...
Page 108: ... Ç À Fig 4 2 Location of circuit boards in the 7623 ...
Page 109: ...Fig 4 3 Location of circuit boards in the R7623 Maintenance 7623 R 7623 Service ...
Page 113: ...Maintenance 7623 R7623 Service Fig 4 6 Circuit Isolation Troubleshooting Chart 4 9 ...
Page 165: ...7623 BLOCK DIAGRAM ...
Page 166: ...7623 R7623 Service Front of Board ...
Page 167: ......
Page 168: ...FL ...
Page 169: ......
Page 173: ...7623 Logic ...
Page 175: ...Vertical Interface A4 ...
Page 178: ...Vertical Interface ...
Page 180: ...Vertical Amp A5 ...
Page 184: ...Horizontal Amp A6 ...
Page 186: ...7623 TO P450 VERT AMP 3 HORIZONTAL AMPLIFIER ...
Page 188: ...Output Signals A7 ...
Page 190: ...FROM 7G23 Output Signals g ...
Page 195: ...FROM LV POWER SUPPLY 7623 CRT CIRCUIT ...
Page 197: ......
Page 200: ......
Page 202: ...Storage Output A14 ...
Page 204: ......
Page 205: ...7623 R7623 Service Fig 6 14 A15 Cal Storage circuit board ...
Page 208: ......
Page 209: ...7623 R7623 Service Fig 6 15 A16 Readout System circuit board ...
Page 213: ......
Page 242: ...7623 R7623 OSCILLOSCOPE b ...
Page 243: ...151 ...
Page 246: ...20 ...
Page 247: ...7623 R7623 OSCILLOSCOPE 112 ...