HP 8562E Service Manual page 47

Reference Adjustment
Name
Designator
XTAL CTR 3
XTAL CTR 4
HV ADJ
6.01 GHz
FM SPAN
3.2 GHz
SMPL MATCH
VCO RANGE
v c x o
TRIPLER
10 MHz ADJ
CAL AMPTD
EXT BIAS ZERO
CUTOFF
Z FOCUS
X FOCUS
COARSE FOCUS
X GAIN
X POSN
Y GAIN
Y POSN
TRACE ALIGN
DDD
ASTIG
Table 2-2. Adjustable Components (continued)
Adjustment
Number
3 Adjusts center frequency of third stage of crystal
bandwidth filter to 10.7 MHz.
3 Adjusts center frequency of fourth stage of crystal
bandwidth filter to 10.7 MHz.
1 Adjusts the voltage between A6TP405 and A6TP401
to the voltage marked on the A6Al high voltage
module.
7 Adjusts the main coil tune driver current at a
YTO frequency of 6.01 GHz (near the upper YTO
frequency limit).
Adjusts the FM span accuracy by affecting the
7
sensitivity of the FM coil driver.
Adjusts the main coil fixed driver current at a
7
YTO frequency of 3.2 GHz (near the lower
YTO frequency limit).
6 Transforms the sampler input impedance to 50 ohms
over the 285 to 297.2 MHz range.
Adjusts the VCO tank capacitance so that 21V
6
on the VCO tune line equals 298 MHz VCO frequency.
Adjusts for maximum 600 MHz reference output.
18
18 Adjusts for maximum 600 MHz reference output.
12 Adjusts frequency of the temperature
compensated crystal oscillator (TCXO) to 10 MHz.
Adjusts amplitude of the 300 MHz calibrator signal
10
to -10.0 dBm.
Adjusts zero bias point of external mixer bias.
14
Adjusts maximum intensity.
2
2 Adjusts intensity to turn off blanked lines.
Adjusts focus for lines of different brightness.
2
Adjusts focus at the left and right corners of the display.
2
2 Adjusts focus at the center of the display.
Adjusts the horizontal-deflection amplifier gain.
2
Adjusts the CRT horizontal position.
2
Adjusts the vertical-deflection amplifier gain.
2
2 Adjusts the CRT vertical position.
Adjusts the display axis rotation.
2
Adjusts focus of the center of the display.
2
Adjusts for the spot roundness on the CRT display.
2
Description
Adjustment Procedures 2-7