Specifications - Goldstar OS-7020 Service Manual

2. SPECIFICATIONS
CRT(Cathode-Ray Tube)
Type
6" screen with internal graticule parallax free acceleration
potential : Approximately 2KV
Phosphor
P3l(standard)
Useful screen area
8xl0div(l div= 10mm)
Trace Rotation
Intensity Control
Focus Control
Scale illumination
•
Provided
Provided
Possible
Variable
Vertical Deflection system
J
Frequency Response
&
Rise Time
DC to 20MHZ(-3dB) and 17.SnS or less
DC to at least 7MHZ and sons or less at x5 Magnifier extends
AC coupled lower(-3dB) frequency is lOHZ or less
Deflection factor
VARIABLE is pushed(Xl)
5mV/div to 5V/div in 10 calibrated steps in a 1-2-5
sequence(accuracy ±3%, 10°c - 3s
0
c)
VARIABLE is pulled(PULL x 5MAG)
The uncalibrated continuous control extends deflection factor
from lmV/div to at least 12.5V/div in the 5V/div
position(accuracy ~5%, 10°c - 35°c)
Display mode
CHl(normal or add), CH2(normal or invert), Alternate, chopped
(approximate 250KHZ)
2