Tektronix CSA 803C, Service Manual

Page: 28 / 280

Specifications
Specifications
1Ć2
TableĂ1Ć1:ăMeasurement Limits, Specifications, Adjustments, and Functional Tests (Cont.)
Partand Description Functional
Tests
Adjustments
(Adjust)
Specifications
(Check)
Measurement
Limits (Examine)
Display (Cont.)
Vertical Size and
Position
align with tic marks none VERT SIZE, L321;
and VERT POS,
R311; for
optimum
alignment
no
Horizontal Size,
Linearity and
Position
align with tic marks and
for optimum
appearance
none HĆSIZE, R501;
HĆLIN, R502; and
HĆPOS, R500, for
optimum
alignment and
linearity
no
Gray Scale white at the top of the
display and gray at the
bottom, and the right
side of the display is
cut off
none SCREEN, on
transformer on A8
CRT Driver board;
RED, R200;
GREEN, R201;
and BLUE, R203;
for cutoff and
color balance
no
Color Impurity no severe color
impurities in red, green,
and blue display
none cycle power on
and off
no
Real Time Clock 1,000,000 m s ±5 m s none Real Time Clock
for 1,000,000 m s
no
Vertical Reference Voltage none +5 V ±200 m V
and
-5 V ±200 m V
none no
Horizontal Reference Clock none 200,000 kHz
±5 kHz
none no
Vertical Accuracy
Vertical Gain none ±1.0% full scale none yes
Offset Accuracy none ±2 mV none yes
Vertical Linearity none ±1% none no
System Vertical RMS Noise 200 m V at 2 mV/div
500 m V at 5 mV/div
1 mV at 10 mV/div
632 m V at 20 mV/div
1.58 mV at 500 mV/div
3.16 mV at 100 mV/div
6.32 mV at 200 mV/div
none none yes