Preparation For; Vertical Attenuators; Horizontal Amplifier; Adjustment Interaction - Tektronix 9235A Instruction Manual

Adjustment Procedure — 2235A Instruction
PREPARATION FOR ADJUSTMENT
The instrument cabinet must be removed to perform the
Adjustment Procedure. See the Cabinet remove and
replace instructions located in the Maintenance section
Alliest equipment items listed in Table 4-1 are required
to accomplish a complete Adjustment Procedure. At the
beginning of each subsection there is an equipment-
required list showing only the test equipment necessary
for performing the steps in that subsection.
The most accurate display adjustments are made with a
stable, well focused, low-intensity display. Unless
otherwise noted, adjust the INTENSITY, FOCUS, and
TRIGGER LEVEL controls as needed to view the display.
Table 5-1
Adjustment interactions
INTERNAL ADJUSTMENTS AFFECTED
G R I D B I A S , A S T I G , A N D G E O M A T T E N U A T O R S T E P B A L A N C E
2 / 5 m V D C B A L A N C E
C H 1 V A R A N D C H 2 I N V E R T B A L A N C E S
- 8 . 6 V O L T S
M F / L F C O M P A N D G A I N B A L A N C E
C A L I B R A T O R
I N T E R N A L A N D E X T E R N A L T R I G G E R O F F S E T S
P - P A U T O
C H 1 A N D C H 2 G A I N S
A T T E N U A T O R C O M P E N S A T I O N
H F C O M P A N D C H 2 H F C O M P
2 m V P E A K I N G
H O R I Z O N T A L G A I N
X 1 0 G A I N
M A G N I F I E R R E G I S T R A T I O N
H I G H S P E E D A N D 5 n S T I M I N G
D E L A Y T I M E
X G A I N
A A N D B T R I G G E R S E N S I T I V I T Y
S L O P E B A L A N C E
VERTICAL ATTENUATORS
A SWEEP GENERATOR
B SWEEP GENERATOR
HORIZONTAL AMPLIFIER
5-2