Calibration—7623/R7623
Service
READOUT
OPERATION
Equipment
Required
1.
7A18
dual display vertical plug-in unit
37.
Check
READOUT
Operation
a.
Install the
7A18 in the left vertical compartment.
Set
the 7A18 to a dual
trace mode.
Push and hold the
identify
buttons on
the 7A18. (Switch S2110 should be in
the free position.)
Check
that the
word identify is within
the
top division and the bottom division of the graticule.
Check
that the words identify are positioned within the left
third
of
the graticule.
Check
completeness of characters
without
over-scanning (over-scanning
causes a bright dot
where
the traces
overlap).
i. Remove the
dual trace plug in unit.
READOUT GATE TRIG'D
OPERATION
38.
Check
Readout
Gate
Trig'd
Operation
a. Set
switch S2110
to Gate Trig'd position (see
Fig.
2-9).
b.
ADJUST—
Vertical Separation
R2291 so
the channel
1
characters are within the
top division, and the channel 2
characters are within the bottom division.
c. ADJUST-Character height size R2273 as needed.
d. ADJUST-Character scan R2128
if
characters are
over
scanned.
e.
Remove the 7A18 from the left vertical and install
it in
the right vertical
compartment. Push and
hold the
identify
buttons
on the 7A18. Check that
the words
identify
are positioned
within the center third of the
graticule.
f.
Remove
the 7A18 from the
right vertical and install
it
in the horizontal compartment.
Push and
hold the identify
buttons
on the 7A18. Check that the words identify are
positioned
within the
right third of the graticule.
g.
If
the
correct characters
are displayed there is no
need
to adjust the Row
Match adjustment R2183 or the
Column
Match adjustment R2214.
h. ADJUST
—Row Match adjustment R2183 and
Column Match adjustment
R2214
for correct
readout
display.
b.
Install the time-base
unit
in the horizontal plug-in
compartment. Set sweep rate
to 1
second/division.
c.
CHECK—That during the sweep that there is no
readout
information
displayed, until after the sweep has
been
displayed. At fast sweep rates, this is not noticeable.
Fig.
2-9. Location of Readout
adjustments and switch S2110
(Readout board).
2-24
Содержание 7623
Страница 1: ...MANUAL 7623 R7623 STORAGE OSCILLOSCOPE SERVICE MANUFACTURERS OF CATHODE RAY OSCILLOSCOPES ...
Страница 51: ...Fig 3 2 Block diagram of Logic circuit Circuit Description 7623 R 7623 Service ...
Страница 72: ...W NJ 00 Fifl 3 22 Low Voltage Power Supply detailed block diagram ...
Страница 73: ...Circuit Description 7623 R 7623 Service ...
Страница 74: ...CO NJ CD Fig 3 22 Low Voltage Power Supply detailed block diagram cont ...
Страница 75: ...Circuit Description 7623 R 7623 Service ...
Страница 82: ...Ca W G Fig 3 27 Detailed block diagram of Readout System Circuit Description 7623 R 7623 Service ...
Страница 97: ...Circuit Description 7623 R7623 Service 3 51 ...
Страница 98: ...Circuit Description 7623 R7623 Service Fig 3 39 Output Pulses for the Storage Circuits 3 52 ...
Страница 99: ...Circuit Description 7623 R7623 Service Fig 3 40 Basic Block Diagram of the Storage Timing 3 53 ...
Страница 103: ...Circuit Description 7623 R7623 Service 3 57 ...
Страница 108: ... Ç À Fig 4 2 Location of circuit boards in the 7623 ...
Страница 109: ...Fig 4 3 Location of circuit boards in the R7623 Maintenance 7623 R 7623 Service ...
Страница 111: ...Maintenance 7623 R7623 Service Fig 4 5 Electrode configuration for semiconductors used in this instrument ...
Страница 113: ...Maintenance 7623 R7623 Service Fig 4 6 Circuit Isolation Troubleshooting Chart 4 9 ...
Страница 165: ...7623 BLOCK DIAGRAM ...
Страница 166: ...7623 R7623 Service Front of Board ...
Страница 167: ......
Страница 168: ...FL ...
Страница 169: ......
Страница 173: ...7623 Logic ...
Страница 175: ...Vertical Interface A4 ...
Страница 178: ...Vertical Interface ...
Страница 180: ...Vertical Amp A5 ...
Страница 184: ...Horizontal Amp A6 ...
Страница 186: ...7623 TO P450 VERT AMP 3 HORIZONTAL AMPLIFIER ...
Страница 188: ...Output Signals A7 ...
Страница 190: ...FROM 7G23 Output Signals g ...
Страница 195: ...FROM LV POWER SUPPLY 7623 CRT CIRCUIT ...
Страница 197: ......
Страница 200: ......
Страница 202: ...Storage Output A14 ...
Страница 204: ......
Страница 205: ...7623 R7623 Service Fig 6 14 A15 Cal Storage circuit board ...
Страница 208: ......
Страница 209: ...7623 R7623 Service Fig 6 15 A16 Readout System circuit board ...
Страница 213: ......
Страница 242: ...7623 R7623 OSCILLOSCOPE b ...
Страница 243: ...151 ...
Страница 246: ...20 ...
Страница 247: ...7623 R7623 OSCILLOSCOPE 112 ...