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ADJUSTMENT
POWER SUPPLY SECTION ADJ.
—~10V ADJ.
DL 706
VR1
X68
The
voltage
of
the
terminal
(x74
P15
pin
3)
should
be
—10 V0.1
V.
ASTIG,
TRIG MODE; X-Y
ASTIG, FOCUS
For the shapest and roundest spot.
FOCUS
INTENSITY
AC-GND-DC; GND
VR2
X68
Spot disappears in 9 to 10 o'clock
TRIG MODE; X-Y
position.
TRACE
AC-GND-DC;
GND
TRACE ROTATION VR
Trace is in parallel with horizontal
ROTATION
graduation.
CAL. ADJ.
CS 2110 | VR3
X68
Input the Calibration voltage into
CS-2110, the amplitude should be
1 Vp-p+2.5%.
VERTICAL AMPLIFIER SECTION
ADJ.
(1)
CRT CENTER
VR20
X73
Short
the
short
terminal
(TP1).
.
Trace should be in the CRT center.
CH1 ATT
VOLTS/DIV;
10 mV
VR1
Trace
does
not
move
vertically
STEP BAL.
AC-GND-DC; GND
when rotating CH1 variable control.
La
|
~
Meabecaw
|
CH1 DC BAL | VOLTS/DIV; 1 mV
AC-GND-DC; GND
VR6
X73
Trace
does
not
move
vertically
when rotating CH1 variable control.
CH2 ATT
VOLTS/DIV; 10 mV
VR10
Trace
does
not
move
vertically
STEP BAL.
AC-GND-DC; GND
when rotating CH2 variable control.
X73
CH2 DC BAL | VOLTS/DIV; 1 mV
AC-GND-DC; GND
VR15
X73
CH2 INVERT
| MODE; CH2
VR16
X73
VOLTS/DIV;
1 mV
AC-GND-DC; GND
CH1
MODE; CH1
VR25
X73
POSITION
AC-GND-DC; GND
a
-
-
PG 506
VR11
X73
VR7
X73
When applying a 1 kHz, 20 mVp-p
square
wave.
signal,
vertical
amplitude should be 4 div.
PG 506 | VR26
When applying a 1 kHz, 5 mVp-p
Trace
does
not
move
vertically
when rotating CH2 variable control.
Trace should be overlapped in the
center of the graduation.
Set the CH1 position control to its
mechanical
center.
Trace
should
be in the CRT center.
Apply
a
100Hz
square
wave
signal to display a waveform
of 6
division vertical amplitude. Adjust
for the best fiat-top waveform.
Same as CH1.
CH1 100 Hz
SQUARE
WAVE COMP.
MODE; CH1
VOLTS/DIV; 10 mV
CH2 100 Hz
SQUARE
WAVE COMP.
MODE; CH2
VOLTS/DIV; 10 mV
MODE; CH1
VOLTS/DIV; 5 mV
MODE; CH1
VOLTS/DIV; 1 mV
square
wave _ signal,
vertical
amplitude should be 5 div.
12
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