Table 2-2. Adjustable Components (continued)

Reference

 

Adjustment

Adjustment

Description

Designator

 

 

Name

 

Number

 

A5T500

XTAL

CTR

3

3

Adjusts center frequency of third stage of crystal

 

 

 

 

 

 

 

bandwidth filter to 10.7 MHz.

A5T502

XTAL

CTR

4

3

Adjusts center frequency of fourth stage of crystal

 

 

 

 

 

 

 

bandwidth filter to 10.7 MHz.

A6R410

HV ADJ

 

 

1

Adjusts the voltage between A6TP405 and A6TP401

 

 

 

 

 

 

 

to the voltage marked on the A6Al high voltage

 

 

 

 

 

 

 

module.

A14R42

6.01 GHz

 

 

7

Adjusts the main coil tune driver current at a

 

 

 

 

 

 

 

YTO frequency of 6.01 GHz (near the upper YTO

 

 

 

 

 

 

 

frequency limit).

A14R76

FM SPAN

 

7

Adjusts the FM span accuracy by affecting the

 

 

 

 

 

 

 

sensitivity of the FM coil driver.

A14R93

3.2 GHz

 

 

7

Adjusts the main coil fixed driver current at a

 

 

 

 

 

 

 

YTO frequency of 3.2 GHz (near the lower

 

 

 

 

 

 

 

YTO frequency limit).

A15ClOO

SMPL

MATCH

6

Transforms the sampler input impedance to 50 ohms

 

 

 

 

 

 

 

over the 285 to 297.2 MHz range.

A15C210

VCO

RANGE

6

Adjusts the VCO tank capacitance so that 21V

 

 

 

 

 

 

 

on the VCO tune line equals 298 MHz VCO frequency.

A15C750

v c x o

 

 

18

Adjusts for maximum 600 MHz reference output.

A15C751

TRIPLER

 

18

Adjusts for maximum 600 MHz reference output.

A15U302

10 MHz ADJ

12

Adjusts frequency of the temperature

 

 

 

 

 

 

 

compensated crystal oscillator (TCXO) to 10 MHz.

A15R561

CAL

AMPTD

10

Adjusts amplitude of the 300 MHz calibrator signal

 

 

 

 

 

 

 

to -10.0 dBm.

A15R926

EXT BIAS

ZERO

14

Adjusts zero bias point of external mixer bias.

A17R4

2 GAIN

 

 

2

Adjusts maximum intensity.

A17Rll

CUTOFF

 

2

Adjusts intensity to turn off blanked lines.

A17R21

Z

FOCUS

 

2

Adjusts focus for lines of different brightness.

A17R26

X

FOCUS

 

2

Adjusts focus at the left and right corners of the display.

A17R34

COARSE

FOCUS

2

Adjusts focus at the center of the display.

A17R55

X GAIN

 

 

2

Adjusts the horizontal-deflection amplifier gain.

A17R57

X POSN

 

 

2

Adjusts the CRT horizontal position.

A17R75

Y GAIN

 

 

2

Adjusts the vertical-deflection amplifier gain.

A17R77

Y POSN

 

 

2

Adjusts the CRT vertical position.

A17R90

TRACE

ALIGN

2

Adjusts the display axis rotation.

A17R92

DDD

 

 

 

2

Adjusts focus of the center of the display.

A17R93

ASTIG

 

 

2

Adjusts for the spot roundness on the CRT display.

 

 

 

 

 

 

 

 

Adjustment Procedures 2-7

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Agilent Technologies 856290216 Hv Adj, FM Span, Smpl Match, VCO Range, Tripler, CAL Amptd, EXT Bias Zero, Gain, Cutoff