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LD-1100
Test
"
Step | Mode
| Score
sano: | -Paints | Ae
Adjustment and Check Details
No.
:
Range
Loop
Point
No.
10
PLAY
CH-X:
TANG , TP2
FOCUS
GAIN
220,000
10mV/div
ወሲ
Set the oscilloscope into X-Y mode and AF oscil-
TRKG
lator output to 2.7kHz, 0.6Vp-p. Push PLAY key
сл.
and scan to the middie of the disc.
Connect the oscillator output to CH-X of the scope
and also to TP-2 through a 68-kilohms, 1/4W resis-
OSCILLOSCOPE
FOCUS
GAIN
- p | сн-х
CH-Y
saka
[arenie
τρ-2ο
I
O
|
AF OSC
77
Tet
ο-
- -
?
=
VR2
Adjust VR2 (focus gain) to make lissajous figure into
horizontal ellipse. This means the phase shift between
CH-X and CH-Y is 90-degrees. After this adjustment
mode.
44
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