Crt Monitor Assembly Adjustments; Intensity, Sub-Bright, And Contrast Adjustment - HP 1652B Getting Started Manual

CRT Monitor
Assembly
Adjustments
Caution *
Intensity,
Sub-Bright, and
Contrast
Adjustment
I
Note m
The CRT Monitor Assembly Adjustments optimize the characters of the CRT
display. Set up the instrument for these adjustments as follows:
1. Turn off the HP 1652B/1653B and disconnect the power cord. Then remove
the top cover.
The adjustment procedures are performed with the top cover of the instrument
removed. Take care to avoid shorting or damaging internal parts of the instrument.
2. Connect the power cord to the
HP
1652B/1653B and turn on the instrument.
3.
In
the System Configuration menu, select the Type field for Analyzer
1
(MACHINE 1)
and, when the pop-up appears, select TimJng.
1.
Press the DISPLAY key to place the Timing Waveforms menu on the screen
of the
HP 1652B/1653B.
This menu is used because it has characters throughout the screen which are
watched during the procedures. Any other menu may be used, however, the
adjustments may not be as accurate if characters and/or lines are not displayed
throughout the screen.
2.
Set the rear-panel
INTENSITY
control to its minimum setting.
3. Refer to figure 4-2 for the adjustment locations.
FOCUS
SUB
BRIGHT
CONTRAST
HEIGHT
V. LIN
V.HOLD
H.PHASE '
0 0 0 0 0 0 0
I
54502E18
Figure
4-2.
CRT Adiustment Locations
-
Adjustments and Calibration
44
HP
1652B/1653B
Service Manual