Goldstar OS-7020 Service Manual page 8

Sensitivity and frequency
20HZ - 2MHZ
2MHZ - 20MHZ
INT 0.5div 1. 5div
EXT
20-0mV
800mV
TV-V Sensitivity
Trigger level isl division or more with displayed
amplitude of sync signal portion of composite signal.
External trigger input impedance
lMohm in parallel with 20pF(~2pF)
maximum input voltage
300V(DC + peak AC) or 500Vp-p AC(lKHz or less)
X-Y Operation
CHl : Horizontal
CH2 : Vertical
Deflection factor
same as vertical deflection
Accuracy
X: +3% (l0°C - 35°C)
Y: +3% (10°c - 3s
0
c)
Additional error for magnifier +2%
X-bandwidth
DC to
at
least 500KHZ
Phase error
3° or less from 0C to 20KHZ
Z-AXIS
input
I
Positive-going signal decrease intensity
5Vp-p
noticeable modulation at normal intensity for DC-2MHz
Input impedance
Maximum input voltage
coupling
47Kohm
30V(DC + peak AC)
DC
4